#!/usr/bin/env node

/**
 * ██████╗ ██╗      █████╗ ███╗   ██╗██████╗  ██████╗ ██████╗ ██████╗ ███████╗
 * ██╔══██╗██║     ██╔══██╗████╗  ██║╚════██╗██╔════╝██╔═══██╗██╔══██╗██╔════╝
 * ██████╔╝██║     ███████║██╔██╗ ██║ █████╔╝██║     ██║   ██║██║  ██║█████╗
 * ██╔═══╝ ██║     ██╔══██║██║╚██╗██║██╔═══╝ ██║     ██║   ██║██║  ██║██╔══╝
 * ██║     ███████╗██║  ██║██║ ╚████║███████╗╚██████╗╚██████╔╝██████╔╝███████╗
 * ╚═╝     ╚══════╝╚═╝  ╚═╝╚═╝  ╚═══╝╚══════╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚══════╝
 *
 * GLOBAL INSTALLATION SYSTEM
 *
 * DESCRIPTION:
 * Install Plan2Code prompts to user's home directory for global use.
 * Generates distribution files on-the-fly from source prompts in src/.
 * Always runs interactively — any CLI arguments are silently ignored.
 */

const fs = require('fs');
const path = require('path');
const os = require('os');
const readline = require('readline');

// Load project version metadata
let projectVersion = { name: 'Plan2Code', version: 'unknown' };
try {
  const versionPath = path.join(__dirname, 'version.json');
  if (fs.existsSync(versionPath)) {
    const versionData = JSON.parse(fs.readFileSync(versionPath, 'utf8'));
    projectVersion = { name: versionData.name, version: versionData.version };
  }
} catch (err) {
  // Silently continue with default version if file is not found or invalid
}

// Color codes for display (ANSI escape sequences)
// Use these in console.log() for colored output
const COLORS = {
  RESET: '\x1b[0m',
  BRIGHT: '\x1b[1m',
  DIM: '\x1b[2m',

  // Colors
  GREEN: '\x1b[32m',      // Success
  YELLOW: '\x1b[33m',     // Warning
  RED: '\x1b[31m',        // Error
  CYAN: '\x1b[36m',       // Info/Headers
  BLUE: '\x1b[34m',       // Data/Paths
  MAGENTA: '\x1b[35m',    // Special/Highlight

  // Background colors
  BG_BLACK: '\x1b[40m',
  BG_GREEN: '\x1b[42m',
  BG_YELLOW: '\x1b[43m',
  BG_RED: '\x1b[41m',
};

// Symbols for status reporting
const SYMBOLS = {
  SUCCESS: '▰▰▰',        // Success
  ACTIVE: '►►►',         // Active/In Progress
  WARNING: '⚠ ⚠ ⚠',     // Warning
  ERROR: '✖✖✖',          // Error
  INFO: '◆',             // Info
  SELECT: '◉',           // Selection marker
  COMPLETE: '█',         // Complete
  PENDING: '░',          // Pending
  DIVIDER: '═',          // Divider
  CORNER_TL: '╔',        // Box corners
  CORNER_TR: '╗',
  CORNER_BL: '╚',
  CORNER_BR: '╝',
  HORIZONTAL: '═',
  VERTICAL: '║',
  TEE_RIGHT: '╠',
  TEE_LEFT: '╣',
};

// Plan2Code Mascot - appears during user interactions
const MASCOT = {
  // Full mascot for headers
  full: [
    '   ╭───╮   ',
    '   │ ● │   ',
    '   │ ◡ │   ',
    '   ╰───╯   ',
  ],
  // Mini mascot for inline use
  mini: '(◉‿◉)',
  // Waving mascot for greetings
  wave: [
    '   ╭───╮   ',
    '   │ ● │  /',
    '   │ ◡ │   ',
    '   ╰───╯   ',
  ],
  // Thinking mascot for prompts
  thinking: [
    '   ╭───╮   ',
    '   │ ● │  ?',
    '   │ ~ │   ',
    '   ╰───╯   ',
  ],
};

// Source directory containing pre-formatted global installation files
const SOURCE_BASE = 'dist/global-commands';

// Source prompts directory
const SRC_DIR = path.join(__dirname, 'src');

// ============================================================================
// SYNC PROMPTS CONFIGURATION (merged from sync-prompts.js)
// ============================================================================

// Configuration for source prompts
const SOURCE_PROMPTS = [
  {
    source: 'plan2code-init.md',
    stepNumber: 'init',
    name: 'init',
    displayName: 'Init Mode',
    description: 'Generate AGENTS.md file for project-specific guidance',
    isUtility: true
  },
  {
    source: 'plan2code-init-update.md',
    stepNumber: 'update',
    name: 'init-update',
    displayName: 'Init Update Mode',
    description: 'Update existing AGENTS.md with new learnings',
    isUtility: true
  },
  {
    source: 'plan2code-quick-task.md',
    stepNumber: 0,
    name: 'quick-task',
    displayName: 'Quick Task Mode',
    description: 'Lightweight planning for small tasks'
  },
  {
    source: 'plan2code-1-plan.md',
    stepNumber: 1,
    name: 'plan',
    displayName: 'Planning Mode',
    description: 'Requirements analysis and architecture design'
  },
  {
    source: 'plan2code-1b-revise-plan.md',
    stepNumber: '1b',
    name: 'revise-plan',
    displayName: 'Revision Mode',
    description: 'Modify specs mid-implementation when requirements change'
  },
  {
    source: 'plan2code-2-document.md',
    stepNumber: 2,
    name: 'document',
    displayName: 'Documentation Mode',
    description: 'Transform planning output into structured implementation docs'
  },
  {
    source: 'plan2code-3-implement.md',
    stepNumber: 3,
    name: 'implement',
    displayName: 'Implementation Mode',
    description: 'Execute implementation phase by phase'
  },
  {
    source: 'plan2code-review.md',
    stepNumber: 'review',
    name: 'review',
    displayName: 'Review Mode',
    description: 'Comprehensive post-implementation review with spec compliance checking',
    isUtility: true
  },
  {
    source: 'plan2code-4-finalize.md',
    stepNumber: 4,
    name: 'finalize',
    displayName: 'Finalization Mode',
    description: 'Validate, summarize, and archive completed work'
  }
];

// Helper function to generate destination filename based on stepNumber
function generateFilename(prompt, extension = '.md') {
  if (prompt.isUtility || prompt.stepNumber === 0 || prompt.stepNumber === 'init') {
    return `plan2code-${prompt.name}${extension}`;
  }
  return `plan2code-${prompt.stepNumber}-${prompt.name}${extension}`;
}

// Helper function to generate skill name (normalizes double hyphens to single)
function generateSkillName(prompt) {
  return generateFilename(prompt, '').replace(/--+/g, '-');
}

// Helper function to generate step label for descriptions
function generateStepLabel(prompt) {
  if (prompt.stepNumber === 'init') return 'Init';
  if (prompt.stepNumber === 'review') return 'Review';
  return `Step ${prompt.stepNumber}`;
}

// Helper function to generate YAML frontmatter for SKILL.md files
function generateSkillHeader(prompt, disableModelInvocation = false) {
  const lines = [
    '---',
    `name: ${generateSkillName(prompt)}`,
    `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - user-initiated workflow step. Do not invoke autonomously."`,
  ];
  if (disableModelInvocation) lines.push('disable-model-invocation: true');
  lines.push('---');
  return lines.join('\n');
}

// Helper function to generate complete .toml file content for Gemini CLI
function generateTomlContent(prompt, sourceContent) {
  const stepLabel = generateStepLabel(prompt);
  const desc = `Plan2Code ${stepLabel}: ${prompt.displayName} - user-initiated ${prompt.description || 'workflow step'}`;
  return `description = "${desc}"\nprompt = '''\n${sourceContent}\n'''\n`;
}

// Destination configurations for project-level installation (local)
const LOCAL_DESTINATIONS = [
  {
    name: 'Claude Code Commands',
    dir: '.claude/commands',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: null
  },
  {
    name: 'Cursor Commands',
    dir: '.cursor/commands',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: null
  },
  {
    name: 'GitHub Copilot Prompts',
    dir: '.github/prompts',
    filePattern: (prompt) => generateFilename(prompt, '.prompt.md'),
    header: (prompt) => [
      '---',
      'mode: agent',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'GitHub Copilot Agents',
    dir: '.github/agents',
    filePattern: (prompt) => generateFilename(prompt, '.agent.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Continue Prompts',
    dir: '.continue/prompts',
    filePattern: (prompt) => generateFilename(prompt, '.prompt.md'),
    header: (prompt) => [
      '---',
      `name: ${prompt.name}`,
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Windsurf Workflows',
    dir: '.windsurf/workflows',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Windsurf Global Workflows',
    dir: '.codeium/windsurf/global_workflows',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Agent Workflows',
    dir: '.agent/workflows',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Codeium Global Workflows',
    dir: '.codeium/global_workflows',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Pi Prompts',
    dir: '.pi/prompts',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Claude Code Skills',
    dir: '.claude/skills',
    type: 'skill',
    header: (prompt) => generateSkillHeader(prompt, true),
  },
  {
    name: 'Agent Skills (Amp · Devin · Gemini CLI · OpenCode)',
    dir: '.agents/skills',
    type: 'skill',
    header: (prompt) => generateSkillHeader(prompt, false),
  },
  {
    name: 'Gemini CLI',
    dir: '.gemini/commands',
    type: 'toml',
    filePattern: (prompt) => `${generateFilename(prompt, '')}.toml`,
  }
];

// Destination configurations for global (home directory) installation
const GLOBAL_DESTINATIONS = [
  {
    name: 'Claude Code (Global)',
    dir: '.claude/commands',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: null
  },
  {
    name: 'Copilot CLI (Global)',
    dir: '.copilot/agents',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Cursor (Global)',
    dir: '.cursor/commands',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: null
  },
  {
    name: 'Continue (Global)',
    dir: '.continue/prompts',
    filePattern: (prompt) => generateFilename(prompt, '.prompt.md'),
    header: (prompt) => [
      '---',
      `name: ${prompt.name}`,
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Windsurf (Global)',
    dir: '.codeium/windsurf/global_workflows',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'VS Code Copilot (Global)',
    dir: 'vscode-copilot-prompts',
    filePattern: (prompt) => generateFilename(prompt, '.prompt.md'),
    header: (prompt) => [
      '---',
      'agent: agent',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Codeium (Global)',
    dir: '.codeium/global_workflows',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Pi (Global)',
    dir: '.pi/agent/prompts',
    filePattern: (prompt) => generateFilename(prompt, '.md'),
    header: (prompt) => [
      '---',
      `description: "Plan2Code ${generateStepLabel(prompt)}: ${prompt.displayName} - ${prompt.description}"`,
      '---'
    ].join('\n')
  },
  {
    name: 'Claude Code Skills',
    dir: '.claude/skills',
    type: 'skill',
    header: (prompt) => generateSkillHeader(prompt, true),
  },
  {
    name: 'Agent Skills (Amp · Devin · Gemini CLI · OpenCode · Zed)',
    dir: '.agents/skills',
    type: 'skill',
    header: (prompt) => generateSkillHeader(prompt, true),
  },
  {
    name: 'Crush',
    dir: 'crush-skills',
    type: 'skill',
    header: (prompt) => generateSkillHeader(prompt, false),
  },
  {
    name: 'Gemini CLI',
    dir: '.gemini/commands',
    type: 'toml',
    filePattern: (prompt) => `${generateFilename(prompt, '')}.toml`,
  }
];

// Helper function to get VS Code Copilot prompts directory based on platform
function getVSCodeCopilotDir() {
  const platform = process.platform;
  if (platform === 'win32') {
    // Windows: %APPDATA%\Code\User\prompts
    return path.join(process.env.APPDATA || path.join(os.homedir(), 'AppData', 'Roaming'), 'Code', 'User', 'prompts');
  } else if (platform === 'darwin') {
    // macOS: ~/Library/Application Support/Code/User/prompts
    return path.join(os.homedir(), 'Library', 'Application Support', 'Code', 'User', 'prompts');
  } else {
    // Linux: ~/.config/Code/User/prompts
    return path.join(os.homedir(), '.config', 'Code', 'User', 'prompts');
  }
}

// Helper function to get Crush skills directory based on platform
function getCrushSkillsDir() {
  const homedir = os.homedir();
  if (process.platform === 'win32') {
    const localAppData = process.env.LOCALAPPDATA || path.join(homedir, 'AppData', 'Local');
    return path.join(localAppData, 'crush', 'skills');
  }
  return path.join(homedir, '.config', 'crush', 'skills');
}

// Helper function to get Agent Skills global directory based on platform
function getAgentSkillsDir() {
  const homedir = os.homedir();
  return path.join(homedir, '.agents', 'skills');
}

// Helper function to resolve target directory (handles both static and dynamic paths)
function resolveTargetDir(target) {
  if (typeof target.dir === 'function') {
    return target.dir();
  }
  return path.join(os.homedir(), target.dir);
}

// Helper function to get display path for a target
function getDisplayPath(target) {
  if (target.displayPath) {
    return target.displayPath;
  }
  return `~/${target.dir}/`;
}

// Helper function to pad strings with ANSI codes correctly
function stripAnsi(str) {
  return str.replace(/\x1b\[[0-9;]*m/g, '');
}

function padEndVisible(str, length, char = ' ') {
  const visibleLength = stripAnsi(str).length;
  const paddingNeeded = Math.max(0, length - visibleLength);
  return str + char.repeat(paddingNeeded);
}

// Legacy targets — paths that were previously installed but are no longer active install targets
const LEGACY_TARGETS = [
  {
    dir: '.claude/commands',
    filePattern: /^plan2code-.*\.md$/,
    type: 'flat',
  },
];

// Installation targets
const INSTALL_TARGETS = [
  {
    name: 'Claude Code',
    id: 'claude',
    dir: '.claude/skills',
    type: 'skill',
    filePattern: /^plan2code-/,
    icon: '◉ '
  },
  {
    name: 'Copilot CLI',
    id: 'copilot',
    dir: '.copilot/agents',
    filePattern: /^plan2code-.*\.md$/,
    icon: '◉ '
  },
  {
    name: 'Cursor',
    id: 'cursor',
    dir: '.cursor/commands',
    filePattern: /^plan2code-.*\.md$/,
    icon: '◉ '
  },
  {
    name: 'Continue',
    id: 'continue',
    dir: '.continue/prompts',
    filePattern: /^plan2code-.*\.prompt\.md$/,
    icon: '◉ '
  },
  {
    name: 'Windsurf',
    id: 'windsurf',
    dir: '.codeium/windsurf/global_workflows',
    filePattern: /^plan2code-.*\.md$/,
    icon: '◉ '
  },
  {
    name: 'Codeium (IntelliJ)',
    id: 'codeium',
    dir: '.codeium/global_workflows',
    filePattern: /^plan2code-.*\.md$/,
    icon: '◉ '
  },
  {
    name: 'VS Code Copilot',
    id: 'vscode-copilot',
    dir: getVSCodeCopilotDir,
    sourceDir: 'vscode-copilot-prompts',
    displayPath: process.platform === 'win32'
      ? '%APPDATA%\\Code\\User\\prompts\\'
      : process.platform === 'darwin'
        ? '~/Library/Application Support/Code/User/prompts/'
        : '~/.config/Code/User/prompts/',
    filePattern: /^plan2code-.*\.prompt\.md$/,
    icon: '◉ '
  },
  {
    name: 'Agent Skills (Amp · Devin · Gemini CLI · OpenCode · Zed)',
    id: 'agent-skills',
    dir: getAgentSkillsDir,
    sourceDir: '.agents/skills',
    type: 'skill',
    filePattern: /^plan2code-/,
    displayPath: '~/.agents/skills',
    icon: '◉ '
  },
  {
    name: 'Crush',
    id: 'crush',
    dir: getCrushSkillsDir,
    sourceDir: 'crush-skills',
    type: 'skill',
    filePattern: /^plan2code-/,
    displayPath: process.platform === 'win32'
      ? '%LOCALAPPDATA%\\crush\\skills'
      : '~/.config/crush/skills',
    icon: '◉ '
  },
  {
    name: 'Gemini CLI',
    id: 'gemini',
    dir: '.gemini/commands',
    type: 'toml',
    filePattern: /^plan2code-.*\.toml$/,
    icon: '◉ '
  },
  {
    name: 'Pi',
    id: 'pi',
    dir: '.pi/agent/prompts',
    filePattern: /^plan2code-.*\.md$/,
    icon: '◉ '
  }
];

// ============================================================================
// DISPLAY FUNCTIONS
// ============================================================================

/**
 * Display mascot with optional message
 */
function displayMascot(variant = 'full', message = '') {
  const mascotLines = MASCOT[variant] || MASCOT.full;
  console.log('');
  mascotLines.forEach(line => {
    console.log(`${COLORS.MAGENTA}${line}${COLORS.RESET}`);
  });
  if (message) {
    console.log(`${COLORS.CYAN}${message}${COLORS.RESET}`);
  }
  console.log('');
}

/**
 * Display header
 */
function displayHeader() {
  console.log('');
  console.log(`${COLORS.CYAN}${COLORS.BRIGHT}`);
  console.log('╔═════════════════════════════════════════════════════════╗');
  console.log('║              ╭───╮                                      ║');
  console.log('║              │ ● │   Hi! I\'m Planny!                    ║');
  console.log('║              │ ◡ │   Nice to meet you                   ║');
  console.log('║              ╰───╯   Welcome to Plan2Code!              ║');
  console.log('║                                                         ║');
  console.log('║   G L O B A L   I N S T A L L A T I O N   S Y S T E M   ║');
  console.log('║          https://jparkerweb.github.io/plan2code         ║');
  console.log('║                                                         ║');
  console.log('╚═════════════════════════════════════════════════════════╝');
  console.log(COLORS.RESET);
  console.log('');
}

/**
 * Display section header with border
 */
function displaySectionHeader(title, mode = '') {
  const innerWidth = 75;

  // Center the title with ═ padding
  const titleContent = `[ ${title} ]`;
  const titlePadTotal = innerWidth - titleContent.length;
  const titlePadLeft = Math.floor(titlePadTotal / 2);
  const titlePadRight = titlePadTotal - titlePadLeft;
  const titleLine = '═'.repeat(titlePadLeft) + titleContent + '═'.repeat(titlePadRight);

  console.log(`${COLORS.CYAN}${COLORS.BRIGHT}`);
  console.log('╔═══════════════════════════════════════════════════════════════════════════╗');
  console.log(`║${' '.repeat(innerWidth)}║`);
  console.log(`║${titleLine}║`);
  if (mode) {
    // Center the mode text with space padding
    const modePadTotal = innerWidth - mode.length;
    const modePadLeft = Math.floor(modePadTotal / 2);
    const modePadRight = modePadTotal - modePadLeft;
    console.log(`║${' '.repeat(modePadLeft)}${mode}${' '.repeat(modePadRight)}║`);
  }
  console.log(`║${' '.repeat(75)}║`);
  console.log('╚═══════════════════════════════════════════════════════════════════════════╝');
  console.log(COLORS.RESET);
}

/**
 * Display operation status box
 */
function displayStatusBox(title, lines) {
  console.log(`${COLORS.BLUE}`);
  console.log('┌─────────────────────────────────────────────────────────────────────────┐');
  console.log(`│ ${COLORS.BRIGHT}${title}${COLORS.RESET}${COLORS.BLUE}${' '.repeat(72 - title.length)}│`);
  console.log('├─────────────────────────────────────────────────────────────────────────┤');

  lines.forEach(line => {
    const cleanLine = line.replace(/\x1b\[[0-9;]*m/g, ''); // Remove color codes for length calc
    const padding = ' '.repeat(Math.max(0, 72 - cleanLine.length));
    console.log(`│ ${line}${padding}│`);
  });

  console.log('└─────────────────────────────────────────────────────────────────────────┘');
  console.log(COLORS.RESET);
}

/**
 * Display progress indicator
 */
function displayProgress(current, total, label) {
  const barLength = 30;
  const filled = Math.floor((current / total) * barLength);
  const empty = barLength - filled;
  const percent = Math.floor((current / total) * 100);

  const bar = `${COLORS.GREEN}${'█'.repeat(filled)}${COLORS.DIM}${'░'.repeat(empty)}${COLORS.RESET}`;
  process.stdout.write(`\r${COLORS.CYAN}[${bar}${COLORS.CYAN}]${COLORS.RESET} ${percent}% ${label}`);
}

// ============================================================================
// SYNC PROMPTS FUNCTIONS
// ============================================================================

/**
 * Helper function to recursively delete directories
 */
function deleteDirectory(dirPath) {
  if (!fs.existsSync(dirPath)) {
    return;
  }
  try {
    fs.rmSync(dirPath, { recursive: true, force: true });
  } catch (err) {
    console.error(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Could not delete directory ${dirPath}: ${err.message}`);
  }
}

/**
 * Write a file to a destination with optional YAML header
 */
function writeToDestination(rootDir, baseDir, dest, prompt, sourceContent, stats, quiet = false) {
  const destDir = path.join(rootDir, baseDir, dest.dir);
  const destFile = dest.filePattern(prompt);
  const destPath = path.join(destDir, destFile);

  // Build the output content
  let outputContent;
  if (dest.header) {
    const header = dest.header(prompt);
    outputContent = header + '\n\n' + sourceContent;
  } else {
    outputContent = sourceContent;
  }

  // Ensure destination directory exists
  if (!fs.existsSync(destDir)) {
    fs.mkdirSync(destDir, { recursive: true });
  }

  // Check if file needs updating
  let needsUpdate = true;
  if (fs.existsSync(destPath)) {
    try {
      const existingContent = fs.readFileSync(destPath, 'utf8');
      needsUpdate = existingContent !== outputContent;
    } catch (err) {
      // File exists but can't be read, will try to write
    }
  }

  if (needsUpdate) {
    try {
      fs.writeFileSync(destPath, outputContent, 'utf8');
      if (!quiet) {
        console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${destFile}`);
      }
    } catch (err) {
      console.error(`    ${COLORS.RED}✖✖✖${COLORS.RESET} ${destFile}: ${err.message}`);
      stats.errors++;
      return;
    }
    stats.updated++;
  } else {
    stats.skipped++;
  }
}

/**
 * Write a skill file to a destination as <skill-name>/SKILL.md
 */
function writeSkillToDestination(rootDir, baseDir, dest, prompt, sourceContent, stats, quiet = false) {
  const skillName = generateSkillName(prompt);
  const destDir = path.join(rootDir, baseDir, dest.dir, skillName);
  const filePath = path.join(destDir, 'SKILL.md');

  // Build the output content
  let outputContent;
  if (dest.header) {
    outputContent = dest.header(prompt) + '\n\n' + sourceContent;
  } else {
    outputContent = sourceContent;
  }

  // Ensure destination directory exists
  fs.mkdirSync(destDir, { recursive: true });

  // Check if file needs updating
  let needsUpdate = true;
  if (fs.existsSync(filePath)) {
    try {
      const existingContent = fs.readFileSync(filePath, 'utf8');
      needsUpdate = existingContent !== outputContent;
    } catch (err) {
      // File exists but can't be read, will try to write
    }
  }

  if (needsUpdate) {
    try {
      fs.writeFileSync(filePath, outputContent, 'utf8');
      if (!quiet) {
        console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${skillName}/SKILL.md`);
      }
    } catch (err) {
      console.error(`    ${COLORS.RED}✖✖✖${COLORS.RESET} ${skillName}/SKILL.md: ${err.message}`);
      stats.errors++;
      return;
    }
    stats.updated++;
  } else {
    stats.skipped++;
  }
}

/**
 * Recursively copy a directory and all its contents (files and subdirectories).
 */
function copyDirRecursive(src, dest, stats) {
  fs.mkdirSync(dest, { recursive: true });
  const entries = fs.readdirSync(src);
  for (const entry of entries) {
    const srcPath = path.join(src, entry);
    const destPath = path.join(dest, entry);
    if (fs.statSync(srcPath).isDirectory()) {
      copyDirRecursive(srcPath, destPath, stats);
    } else {
      fs.copyFileSync(srcPath, destPath);
      stats.copied++;
    }
  }
}

/**
 * Inline reference file content into orchestrator content.
 * Replaces each `Read references/X.md` directive with the file's actual content,
 * wrapped in markers. Used for TOML targets (Gemini CLI), which cannot resolve
 * relative file reads at runtime.
 */
function inlineReferenceContent(sourceContent, srcRefDir) {
  if (!fs.existsSync(srcRefDir)) return sourceContent;
  return sourceContent.replace(
    /^Read\s+references\/([^\s]+\.md)(.*)$/gm,
    (match, filename, suffix) => {
      const refPath = path.join(srcRefDir, filename);
      if (!fs.existsSync(refPath)) return match;
      const refContent = fs.readFileSync(refPath, 'utf8');
      return `<!-- BEGIN inlined references/${filename}${suffix} -->\n${refContent}\n<!-- END inlined references/${filename} -->`;
    }
  );
}

/**
 * Copy a reference directory (e.g., plan2code-review-references/) to a destination.
 * Used by syncPrompts() to distribute reference files alongside orchestrator files.
 */
function copyReferenceDirectory(srcRefDir, destRefDir, stats, quiet = false) {
  const copyStats = { copied: 0 };
  try {
    copyDirRecursive(srcRefDir, destRefDir, copyStats);
  } catch (err) {
    console.error(`    ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to copy reference directory: ${err.message}`);
    stats.errors++;
    return;
  }
  stats.updated += copyStats.copied;
  if (!quiet) {
    const refDirName = path.basename(destRefDir);
    const files = fs.readdirSync(srcRefDir);
    for (const file of files) {
      console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${refDirName}/${file}`);
    }
  }
}

/**
 * Write a TOML file to a destination for Gemini CLI
 */
function writeTomlToDestination(rootDir, baseDir, dest, prompt, sourceContent, stats, quiet = false) {
  const filename = dest.filePattern(prompt);
  const destDir = path.join(rootDir, baseDir, dest.dir);
  const filePath = path.join(destDir, filename);

  // Build TOML content
  const tomlContent = generateTomlContent(prompt, sourceContent);

  // Ensure destination directory exists
  fs.mkdirSync(destDir, { recursive: true });

  // Check if file needs updating
  let needsUpdate = true;
  if (fs.existsSync(filePath)) {
    try {
      const existingContent = fs.readFileSync(filePath, 'utf8');
      needsUpdate = existingContent !== tomlContent;
    } catch (err) {
      // File exists but can't be read, will try to write
    }
  }

  if (needsUpdate) {
    try {
      fs.writeFileSync(filePath, tomlContent, 'utf8');
      if (!quiet) {
        console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${filename}`);
      }
    } catch (err) {
      console.error(`    ${COLORS.RED}✖✖✖${COLORS.RESET} ${filename}: ${err.message}`);
      stats.errors++;
      return;
    }
    stats.updated++;
  } else {
    stats.skipped++;
  }
}

/**
 * Sync prompts from src/ to dist/ directories
 * This generates the distribution files before installation
 */
function syncPrompts(quiet = false) {
  const stats = { updated: 0, skipped: 0, errors: 0 };
  const projectRoot = __dirname;

  if (!quiet) {
    console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} GENERATING DISTRIBUTION FILES${COLORS.RESET}\n`);
  }

  // Clean up old dist directories
  const localDistPath = path.join(projectRoot, 'dist/local-commands');
  const globalDistPath = path.join(projectRoot, 'dist/global-commands');

  if (fs.existsSync(localDistPath)) {
    if (!quiet) console.log(`  ${COLORS.YELLOW}░░░${COLORS.RESET} Cleaning: dist/local-commands/`);
    deleteDirectory(localDistPath);
  }

  if (fs.existsSync(globalDistPath)) {
    if (!quiet) console.log(`  ${COLORS.YELLOW}░░░${COLORS.RESET} Cleaning: dist/global-commands/`);
    deleteDirectory(globalDistPath);
  }

  // Process each source prompt
  for (const prompt of SOURCE_PROMPTS) {
    const sourcePath = path.join(SRC_DIR, prompt.source);

    // Read source content
    let sourceContent;
    try {
      sourceContent = fs.readFileSync(sourcePath, 'utf8');
    } catch (err) {
      console.error(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Could not read: src/${prompt.source}`);
      stats.errors++;
      continue;
    }

    // Detect reference directory (e.g., plan2code-review-references/)
    const refDirName = prompt.source.replace(/\.md$/, '-references');
    const srcRefDir = path.join(SRC_DIR, refDirName);
    const hasRefDir = fs.existsSync(srcRefDir);

    // Write to dist/local-commands/ and dist/global-commands/
    const distBases = [
      { base: 'dist/local-commands', destinations: LOCAL_DESTINATIONS },
      { base: 'dist/global-commands', destinations: GLOBAL_DESTINATIONS },
    ];

    for (const { base, destinations } of distBases) {
      for (const dest of destinations) {
        if (dest.type === 'skill') {
          writeSkillToDestination(projectRoot, base, dest, prompt, sourceContent, stats, quiet);
          if (hasRefDir) {
            const skillName = generateSkillName(prompt);
            const destRefDir = path.join(projectRoot, base, dest.dir, skillName, 'references');
            copyReferenceDirectory(srcRefDir, destRefDir, stats, quiet);
          }
        } else if (dest.type === 'toml') {
          // TOML targets (Gemini CLI) cannot resolve relative file reads at runtime,
          // so inline reference content directly into the prompt body.
          const contentForToml = hasRefDir
            ? inlineReferenceContent(sourceContent, srcRefDir)
            : sourceContent;
          writeTomlToDestination(projectRoot, base, dest, prompt, contentForToml, stats, quiet);
        } else {
          // For flat-file destinations, rewrite Read directive paths to sibling directory name
          const contentForDest = hasRefDir
            ? sourceContent.replace(/^(Read\s+)references\//gm, '$1' + refDirName + '/')
            : sourceContent;
          writeToDestination(projectRoot, base, dest, prompt, contentForDest, stats, quiet);
          if (hasRefDir) {
            const destRefDir = path.join(projectRoot, base, dest.dir, refDirName);
            copyReferenceDirectory(srcRefDir, destRefDir, stats, quiet);
          }
        }
      }
    }
  }

  if (!quiet) {
    console.log('');
    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Generated ${stats.updated} files (${stats.skipped} unchanged)`);
    if (stats.errors > 0) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} ${stats.errors} errors`);
    }
    console.log('');
  }

  return stats.errors === 0;
}

// ============================================================================
// TARGET SELECTION
// ============================================================================

/**
 * Get targets to process based on selected platforms
 */
function getTargets(platformIds = null) {
  if (platformIds && platformIds.length > 0) {
    return INSTALL_TARGETS.filter(t => platformIds.includes(t.id));
  }
  return INSTALL_TARGETS;
}

// ============================================================================
// INSTALLATION
// ============================================================================

/**
 * Recursively copy skill subdirectories matching /^plan2code-/ from source to dest
 */
function copySkillDirectory(sourcePath, destPath, stats) {
  fs.mkdirSync(destPath, { recursive: true });
  const entries = fs.readdirSync(sourcePath);
  for (const entry of entries) {
    if (!/^plan2code-/.test(entry)) continue;
    const srcSubdir = path.join(sourcePath, entry);
    if (!fs.statSync(srcSubdir).isDirectory()) continue;
    const destSubdir = path.join(destPath, entry);
    fs.mkdirSync(destSubdir, { recursive: true });
    const files = fs.readdirSync(srcSubdir);
    for (const file of files) {
      const srcEntry = path.join(srcSubdir, file);
      const destEntry = path.join(destSubdir, file);
      if (fs.statSync(srcEntry).isDirectory()) {
        // Recursively copy nested subdirectories (e.g., references/)
        copyDirRecursive(srcEntry, destEntry, stats);
      } else {
        fs.copyFileSync(srcEntry, destEntry);
        stats.copied++;
      }
    }
  }
}

/**
 * Remove files/dirs matching LEGACY_TARGETS patterns (silent cleanup)
 */
function cleanLegacyTargets() {
  const homedir = os.homedir();
  for (const target of LEGACY_TARGETS) {
    const targetDir = path.join(homedir, target.dir);
    if (!fs.existsSync(targetDir)) continue;
    const entries = fs.readdirSync(targetDir);
    for (const entry of entries) {
      if (!target.filePattern.test(entry)) continue;
      const entryPath = path.join(targetDir, entry);
      if (target.type === 'skill') {
        fs.rmSync(entryPath, { recursive: true, force: true });
      } else {
        fs.unlinkSync(entryPath);
      }
    }
    // Clean up any orphaned reference directories
    for (const entry of entries) {
      if (/^plan2code-.*-references$/.test(entry)) {
        const entryPath = path.join(targetDir, entry);
        if (fs.existsSync(entryPath) && fs.statSync(entryPath).isDirectory()) {
          fs.rmSync(entryPath, { recursive: true, force: true });
        }
      }
    }
  }
}

/**
 * Execute installation
 */
async function install(targets = null) {
  const projectRoot = __dirname;
  const homeDir = os.homedir();
  const targetList = targets || getTargets();

  let totalInstalled = 0;
  let totalErrors = 0;

  displaySectionHeader('  INSTALLING FILES  ');

  // Generate distribution files first
  if (!syncPrompts(true)) {
    console.log(`${COLORS.RED}${SYMBOLS.ERROR} Failed to generate distribution files${COLORS.RESET}`);
    return 1;
  }
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} Distribution files generated${COLORS.RESET}\n`);

  // Clean up legacy install targets before installing new ones
  cleanLegacyTargets();

  console.log('');
  displayStatusBox('PARAMETERS', [
    `${COLORS.CYAN}Source:${COLORS.RESET}           ${SOURCE_BASE}/`,
    `${COLORS.CYAN}Home Directory:${COLORS.RESET}   ${homeDir}`,
    `${COLORS.CYAN}Platforms:${COLORS.RESET}        ${targetList.length}`,
    `${COLORS.CYAN}Mode:${COLORS.RESET}             INSTALL`,
  ]);
  console.log('');

  console.log(`${COLORS.YELLOW}${SYMBOLS.ACTIVE} STARTING INSTALLATION${COLORS.RESET}\n`);

  for (const target of targetList) {
    // Handle both static dir strings and dynamic dir functions
    const sourceSubDir = target.sourceDir || target.dir;
    const sourcePath = path.join(projectRoot, SOURCE_BASE, typeof sourceSubDir === 'function' ? sourceSubDir() : sourceSubDir);
    const destPath = resolveTargetDir(target);
    const displayPathStr = getDisplayPath(target);

    console.log(`${COLORS.CYAN}╔═══════════════════════════════════════════════════════════════════════════╗${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.BRIGHT}${target.icon} ${target.name}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.DIM}Path: ${displayPathStr}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(`${COLORS.CYAN}╚═══════════════════════════════════════════════════════════════════════════╝${COLORS.RESET}`);

    // Check if source directory exists
    if (!fs.existsSync(sourcePath)) {
      const sourceDisplayDir = target.sourceDir || (typeof target.dir === 'string' ? target.dir : 'vscode-copilot-prompts');
      console.log(`  ${COLORS.YELLOW}${SYMBOLS.WARNING} WARNING${COLORS.RESET} Source not found: ${SOURCE_BASE}/${sourceDisplayDir}`);
      console.log(`  ${COLORS.YELLOW}${SYMBOLS.INFO}${COLORS.RESET} Distribution files may be missing. Check src/ directory for source prompts.\n`);
      totalErrors++;
      continue;
    }

    // Get files/entries to install
    let files;
    try {
      files = fs.readdirSync(sourcePath).filter(f => target.filePattern.test(f));
    } catch (err) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR} ERROR${COLORS.RESET} Failed to read source directory: ${err.message}\n`);
      totalErrors++;
      continue;
    }

    if (files.length === 0) {
      const sourceDisplayDir = target.sourceDir || (typeof target.dir === 'string' ? target.dir : 'vscode-copilot-prompts');
      console.log(`  ${COLORS.YELLOW}${SYMBOLS.WARNING} WARNING${COLORS.RESET} No Plan2Code files found in ${SOURCE_BASE}/${sourceDisplayDir}\n`);
      continue;
    }

    // Create destination directory if needed
    if (!fs.existsSync(destPath)) {
      try {
        fs.mkdirSync(destPath, { recursive: true });
        console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS} CREATED${COLORS.RESET} Directory: ${displayPathStr}`);
      } catch (err) {
        console.log(`  ${COLORS.RED}${SYMBOLS.ERROR} ERROR${COLORS.RESET} Cannot create directory: ${err.message}\n`);
        totalErrors++;
        continue;
      }
    }

    // Clean up old files/dirs before copying new ones
    try {
      const existingFiles = fs.readdirSync(destPath).filter(f => target.filePattern.test(f));
      if (existingFiles.length > 0) {
        console.log(`  ${COLORS.YELLOW}${SYMBOLS.ACTIVE} CLEANING${COLORS.RESET} ${existingFiles.length} existing file(s)...`);
        for (const oldFile of existingFiles) {
          const oldFilePath = path.join(destPath, oldFile);
          try {
            if (target.type === 'skill') {
              fs.rmSync(oldFilePath, { recursive: true, force: true });
            } else {
              fs.unlinkSync(oldFilePath);
            }
            console.log(`    ${COLORS.YELLOW}░░░${COLORS.RESET} Removed: ${oldFile}`);
          } catch (err) {
            console.log(`    ${COLORS.RED}✖✖✖${COLORS.RESET} Failed to remove ${oldFile}: ${err.message}`);
          }
        }
      }
      // Also clean old reference directories for flat-file targets
      if (target.type !== 'skill') {
        const existingRefDirs = fs.readdirSync(destPath).filter(f =>
          /^plan2code-.*-references$/.test(f) &&
          fs.existsSync(path.join(destPath, f)) &&
          fs.statSync(path.join(destPath, f)).isDirectory()
        );
        for (const refDir of existingRefDirs) {
          fs.rmSync(path.join(destPath, refDir), { recursive: true, force: true });
          console.log(`    ${COLORS.YELLOW}░░░${COLORS.RESET} Removed: ${refDir}/`);
        }
      }
    } catch (err) {
      // Directory might be newly created, ignore read errors
    }

    // Copy files/skill directories
    if (target.type === 'skill') {
      const copyStats = { copied: 0 };
      console.log(`  ${COLORS.CYAN}${SYMBOLS.ACTIVE} COPYING${COLORS.RESET} skill directories...`);
      try {
        copySkillDirectory(sourcePath, destPath, copyStats);
        console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${copyStats.copied} file(s) across ${files.length} skill(s)`);
        totalInstalled += copyStats.copied;
      } catch (err) {
        console.log(`    ${COLORS.RED}✖✖✖${COLORS.RESET} Copy failed: ${err.message}`);
        totalErrors++;
      }
    } else {
      console.log(`  ${COLORS.CYAN}${SYMBOLS.ACTIVE} COPYING${COLORS.RESET} ${files.length} file(s)...`);
      for (const file of files) {
        const srcFile = path.join(sourcePath, file);
        const destFile = path.join(destPath, file);

        try {
          fs.copyFileSync(srcFile, destFile);
          console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${file}`);
          totalInstalled++;
        } catch (err) {
          console.log(`    ${COLORS.RED}✖✖✖${COLORS.RESET} ${file}: ${err.message}`);
          totalErrors++;
        }
      }

      // Copy sibling reference directories for flat-file targets.
      // Source-of-truth: scan sourcePath for *-references directories rather than deriving
      // names from prompt filenames (extension assumptions break when new file types are added).
      const refDirs = fs.readdirSync(sourcePath).filter(f =>
        /^plan2code-.*-references$/.test(f) &&
        fs.statSync(path.join(sourcePath, f)).isDirectory()
      );
      for (const refDirName of refDirs) {
        const srcRefDir = path.join(sourcePath, refDirName);
        const destRefDir = path.join(destPath, refDirName);
        const refStats = { copied: 0 };
        try {
          copyDirRecursive(srcRefDir, destRefDir, refStats);
        } catch (err) {
          console.log(`    ${COLORS.RED}✖✖✖${COLORS.RESET} Failed to copy ${refDirName}/: ${err.message}`);
          totalErrors++;
          continue;
        }
        console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} ${refDirName}/ (${refStats.copied} reference files)`);
        totalInstalled += refStats.copied;
      }
    }
    console.log('');
  }

  // Summary
  console.log(`${COLORS.CYAN}╔═══════════════════════════════════════════════════════════════════════════╗${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(75)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(31)}${COLORS.BRIGHT}S U M M A R Y${COLORS.RESET}${' '.repeat(31)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(75)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}╠═══════════════════════════════════════════════════════════════════════════╣${COLORS.RESET}`);

  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.GREEN}Mode:${COLORS.RESET}              INSTALL`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);

  const statusColor = totalErrors > 0 ? COLORS.RED : COLORS.GREEN;
  const statusText = totalErrors > 0 ? 'COMPLETED WITH ERRORS' : 'SUCCESS';

  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${statusColor}Status:${COLORS.RESET}            ${statusColor}${statusText}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  Files Installed:   ${COLORS.GREEN}${totalInstalled}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);


  if (totalErrors > 0) {
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  Errors:            ${COLORS.RED}${totalErrors}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
  }

  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(75)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}╚═══════════════════════════════════════════════════════════════════════════╝${COLORS.RESET}`);

  // Show celebratory or sad mascot based on result
  console.log('');
  if (totalErrors === 0) {
    console.log(`${COLORS.GREEN}    ╭───╮${COLORS.RESET}   ${COLORS.BRIGHT}All done! Happy coding!${COLORS.RESET}`);
    console.log(`${COLORS.GREEN}    │ ${COLORS.CYAN}★${COLORS.GREEN} │${COLORS.RESET}   ${COLORS.BRIGHT}If this is your first time using Plan2Code, read the docs here:${COLORS.RESET}`);
    console.log(`${COLORS.GREEN}    │ ${COLORS.BRIGHT}◡${COLORS.GREEN} │${COLORS.RESET}   ${COLORS.BRIGHT}https://github.com/jparkerweb/plan2code${COLORS.RESET}`);
    console.log(`${COLORS.GREEN}    ╰───╯${COLORS.RESET}`);
  }

  console.log('');

  return totalErrors === 0 ? 0 : 1;
}

// ============================================================================
// UNINSTALLATION
// ============================================================================

/**
 * Execute uninstallation
 */
function uninstallFiles(targets = null) {
  const homeDir = os.homedir();
  const targetList = targets || getTargets();

  let totalRemoved = 0;
  let totalErrors = 0;

  displaySectionHeader('UNINSTALLATION', '[ REMOVING FILES ]');

  console.log('');
  displayStatusBox('PARAMETERS', [
    `${COLORS.CYAN}Home Directory:${COLORS.RESET}   ${homeDir}`,
    `${COLORS.CYAN}Platforms:${COLORS.RESET}        ${targetList.length}`,
    `${COLORS.CYAN}Mode:${COLORS.RESET}             UNINSTALL`,
  ]);
  console.log('');

  // Clean up legacy install targets
  cleanLegacyTargets();

  console.log(`${COLORS.YELLOW}${SYMBOLS.ACTIVE} STARTING UNINSTALLATION${COLORS.RESET}\n`);

  for (const target of targetList) {
    const destPath = resolveTargetDir(target);
    const displayPathStr = getDisplayPath(target);

    console.log(`${COLORS.CYAN}╔═══════════════════════════════════════════════════════════════════════════╗${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.BRIGHT}${target.icon} ${target.name}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.DIM}Path: ${displayPathStr}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(`${COLORS.CYAN}╚═══════════════════════════════════════════════════════════════════════════╝${COLORS.RESET}`);

    // Check if destination directory exists
    if (!fs.existsSync(destPath)) {
      console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} Directory not found - nothing to remove\n${COLORS.RESET}`);
      continue;
    }

    // Get files/entries to remove
    let files;
    try {
      files = fs.readdirSync(destPath).filter(f => target.filePattern.test(f));
    } catch (err) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR} ERROR${COLORS.RESET} Failed to read directory: ${err.message}\n`);
      totalErrors++;
      continue;
    }

    if (files.length === 0) {
      console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} No Plan2Code files found${COLORS.RESET}`);
    } else {
      // Remove files/skill directories
      console.log(`  ${COLORS.CYAN}${SYMBOLS.ACTIVE} REMOVING${COLORS.RESET} ${files.length} file(s)...`);
      for (const file of files) {
        const destFile = path.join(destPath, file);

        try {
          if (target.type === 'skill') {
            // recursive: true handles nested subdirectories (e.g., references/)
            fs.rmSync(destFile, { recursive: true, force: true });
          } else {
            fs.unlinkSync(destFile);
          }
          console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} Removed: ${file}`);
          totalRemoved++;
        } catch (err) {
          console.log(`    ${COLORS.RED}✖✖✖${COLORS.RESET} ${file}: ${err.message}`);
          totalErrors++;
        }
      }
    }

    // Remove sibling reference directories for flat-file targets.
    // Runs unconditionally so orphaned reference dirs are cleaned even if prompt files were already removed.
    if (target.type !== 'skill') {
      try {
        const refDirs = fs.readdirSync(destPath).filter(f =>
          /^plan2code-.*-references$/.test(f) &&
          fs.existsSync(path.join(destPath, f)) &&
          fs.statSync(path.join(destPath, f)).isDirectory()
        );
        for (const refDir of refDirs) {
          fs.rmSync(path.join(destPath, refDir), { recursive: true, force: true });
          console.log(`    ${COLORS.GREEN}▰▰▰${COLORS.RESET} Removed: ${refDir}/`);
          totalRemoved++;
        }
      } catch (err) {
        // Directory may already be removed, ignore
      }
    }
    console.log('');
  }

  // Summary
  console.log(`${COLORS.CYAN}╔═══════════════════════════════════════════════════════════════════════════╗${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(75)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(31)}${COLORS.BRIGHT}S U M M A R Y${COLORS.RESET}${' '.repeat(31)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(75)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}╠═══════════════════════════════════════════════════════════════════════════╣${COLORS.RESET}`);

  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.GREEN}Mode:${COLORS.RESET}              UNINSTALL`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);

  const statusColor = totalErrors > 0 ? COLORS.RED : COLORS.GREEN;
  const statusText = totalErrors > 0 ? 'COMPLETED WITH ERRORS' : 'SUCCESS';

  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${statusColor}Status:${COLORS.RESET}            ${statusColor}${statusText}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  Files Removed:     ${COLORS.GREEN}${totalRemoved}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);

  if (totalErrors > 0) {
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  Errors:            ${COLORS.RED}${totalErrors}${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
  }

  console.log(`${COLORS.CYAN}║${COLORS.RESET}${' '.repeat(75)}${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}╚═══════════════════════════════════════════════════════════════════════════╝${COLORS.RESET}`);

  console.log('');

  return totalErrors === 0 ? 0 : 1;
}

// ============================================================================
// LOCAL INSTALLATION INSTRUCTIONS
// ============================================================================

/**
 * Display local installation instructions for manual copy/paste
 */
function displayLocalInstructions() {
  const projectRoot = __dirname;

  displaySectionHeader('LOCAL INSTALLATION', '[ MANUAL COPY/PASTE INSTRUCTIONS ]');

  // Generate dist files first
  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} GENERATING DISTRIBUTION FILES${COLORS.RESET}\n`);
  if (!syncPrompts(true)) {
    console.log(`${COLORS.RED}${SYMBOLS.ERROR} Failed to generate distribution files${COLORS.RESET}`);
    return 1;
  }
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} Distribution files generated${COLORS.RESET}\n`);

  const localDistPath = path.join(projectRoot, 'dist', 'local-commands');

  console.log(`${COLORS.GREEN}${SYMBOLS.ACTIVE} LOCAL INSTALLATION INSTRUCTIONS${COLORS.RESET}\n`);

  displayStatusBox('OVERVIEW', [
    `Local installation copies prompts to your ${COLORS.BRIGHT}project directory${COLORS.RESET}`,
    `(not your home directory). This is useful for project-specific setups.`,
    '',
    `Files have been generated in:`,
    `${COLORS.CYAN}${localDistPath}${COLORS.RESET}`,
  ]);

  console.log('');
  console.log(`${COLORS.CYAN}╔═══════════════════════════════════════════════════════════════════════════╗${COLORS.RESET}`);
  console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.BRIGHT}COPY THE APPROPRIATE FOLDER TO YOUR PROJECT ROOT${COLORS.RESET}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
  console.log(`${COLORS.CYAN}╠═══════════════════════════════════════════════════════════════════════════╣${COLORS.RESET}`);

  // Show local destinations
  const localDirs = [
    { name: 'Claude Code', dir: '.claude/commands/', desc: 'Slash commands for Claude Code' },
    { name: 'Cursor', dir: '.cursor/commands/', desc: 'Slash commands for Cursor IDE' },
    { name: 'GitHub Copilot', dir: '.github/prompts/', desc: 'Prompts for GitHub Copilot' },
    { name: 'Continue', dir: '.continue/prompts/', desc: 'Prompts for Continue extension' },
    { name: 'Windsurf', dir: '.windsurf/workflows/', desc: 'Workflows for Windsurf' },
    { name: 'Codeium (IntelliJ)', dir: '.codeium/global_workflows/', desc: 'Codeium global workflows' },
    { name: 'Pi', dir: '.pi/prompts/', desc: 'Prompt templates for pi.dev coding agent' },
  ];

  localDirs.forEach((item, i) => {
    const num = `${COLORS.BRIGHT}${i + 1}.${COLORS.RESET}`;
    const name = `${COLORS.GREEN}${item.name.padEnd(16)}${COLORS.RESET}`;
    const dir = `${COLORS.DIM}${item.dir}${COLORS.RESET}`;
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${num} ${name} ${dir}`, 76) + `${COLORS.CYAN}║${COLORS.RESET}`);
  });

  console.log(`${COLORS.CYAN}╚═══════════════════════════════════════════════════════════════════════════╝${COLORS.RESET}`);

  console.log('');
  displayStatusBox('EXAMPLE COMMANDS', [
    `${COLORS.BRIGHT}For Claude Code:${COLORS.RESET}`,
    `${COLORS.GREEN}cp -r dist/local-commands/.claude YOUR_PROJECT/${COLORS.RESET}`,
    '',
    `${COLORS.BRIGHT}For Cursor:${COLORS.RESET}`,
    `${COLORS.GREEN}cp -r dist/local-commands/.cursor YOUR_PROJECT/${COLORS.RESET}`,
    '',
    `${COLORS.BRIGHT}For GitHub Copilot:${COLORS.RESET}`,
    `${COLORS.GREEN}cp -r dist/local-commands/.github YOUR_PROJECT/${COLORS.RESET}`,
    '',
    `${COLORS.BRIGHT}For Continue:${COLORS.RESET}`,
    `${COLORS.GREEN}cp -r dist/local-commands/.continue YOUR_PROJECT/${COLORS.RESET}`,
  ]);

  console.log('');
  console.log(`${COLORS.DIM}The dist/local-commands/ folder contains all necessary files organized by tool.`);
  console.log(`Copy the appropriate subfolder(s) to your project root directory.${COLORS.RESET}`);
  console.log('');

  return 0;
}

// ============================================================================
// INTERACTIVE MENU
// ============================================================================

/**
 * Run interactive menu interface
 */
function runInteractive() {
  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
  });

  const question = (prompt) => new Promise(resolve => rl.question(prompt, resolve));

  async function main() {
    // Task 2.1: Main menu display
    displayHeader();

    console.log(`${COLORS.BLUE}${COLORS.BRIGHT}Version Info:${COLORS.RESET} ${projectVersion.name} ${projectVersion.version}`);
    console.log('');

    console.log(`${COLORS.CYAN}╔═════════════════════════════════════════════════════════╗${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.BRIGHT}INSTALL PLAN2CODE${COLORS.RESET}`, 58) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(`${COLORS.CYAN}╠═════════════════════════════════════════════════════════╣${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}I.${COLORS.RESET}  ${COLORS.GREEN}INSTALL${COLORS.RESET}    Install Plan2Code for all platforms`, 58) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}A.${COLORS.RESET}  ${COLORS.MAGENTA}ALL${COLORS.RESET}        Install Plan2Code + dev tools`, 58) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}U.${COLORS.RESET}  ${COLORS.RED}UNINSTALL${COLORS.RESET}  Remove Plan2Code files`, 58) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}C.${COLORS.RESET}  ${COLORS.BLUE}CUSTOM${COLORS.RESET}     Advanced options`, 58) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}Q.${COLORS.RESET}  ${COLORS.DIM}QUIT${COLORS.RESET}       Exit`, 58) + `${COLORS.CYAN}║${COLORS.RESET}`);
    console.log(`${COLORS.CYAN}╚═════════════════════════════════════════════════════════╝${COLORS.RESET}`);
    console.log('');

    // Input prompt
    console.log('');
    const answer = await question(`${COLORS.CYAN}${SYMBOLS.SELECT} SELECT OPTION${COLORS.RESET} (I, A, U, C, Q) [I]: `);
    const input = answer.trim().toUpperCase() || 'I';

    // I path — Install prompts + loop
    if (input === 'I') {
      rl.close();
      const loopResult = installPlan2CodeLoop();
      console.log('');
      const installResult = await install();
      const exitCode = loopResult !== 0 ? loopResult : installResult;
      process.exit(exitCode);
    }

    // A path — Install Everything (prompts + loop + bot + metrics + Claude status line)
    if (input === 'A') {
      rl.close();
      const loopResult = installPlan2CodeLoop();
      console.log('');
      const botResult = installPlan2CodeBot();
      console.log('');
      const metricsResult = installPlan2CodeMetrics();
      console.log('');
      const statusLineResult = await installStatusLine();
      console.log('');
      const installResult = await install();
      const exitCode = loopResult !== 0 ? loopResult : botResult !== 0 ? botResult : metricsResult !== 0 ? metricsResult : statusLineResult !== 0 ? statusLineResult : installResult;
      process.exit(exitCode);
    }

    // U path — Uninstall All
    if (input === 'U') {
      console.log('');
      console.log(`${COLORS.RED}   o     o${COLORS.RESET}`);
      console.log(`${COLORS.RED}    ╲   ╱  ${COLORS.YELLOW}!${COLORS.RESET}`);
      console.log(`${COLORS.RED}    ╭───╮${COLORS.RESET}`);
      console.log(`${COLORS.RED}    │ ${COLORS.YELLOW}○${COLORS.RED} │${COLORS.RESET}`);
      console.log(`${COLORS.RED}    │ ${COLORS.YELLOW}~${COLORS.RED} │${COLORS.RESET}   ${COLORS.DIM}Are you sure? This will remove Plan2Code from all platforms.${COLORS.RESET}`);
      console.log(`${COLORS.RED}    ├───┤${COLORS.RESET}`);
      console.log(`${COLORS.RED}    │ · │${COLORS.RESET}`);
      console.log(`${COLORS.RED}    ╰───╯${COLORS.RESET}`);
      console.log('');
      const confirmAnswer = await question(`${COLORS.RED}${SYMBOLS.SELECT} CONFIRM UNINSTALL${COLORS.RESET} (Y/N) [N]: `);
      const confirmInput = confirmAnswer.trim().toUpperCase() || 'N';

      if (confirmInput === 'Y') {
        rl.close();
        const uninstallResult = uninstallFiles();
        const loopResult = uninstallPlan2CodeLoop();
        const metricsResult = uninstallPlan2CodeMetrics();
        const botResult = uninstallPlan2CodeBot();
        const statusLineResult = uninstallStatusLine();
        const exitCode = uninstallResult !== 0 ? uninstallResult : loopResult !== 0 ? loopResult : metricsResult !== 0 ? metricsResult : botResult !== 0 ? botResult : statusLineResult;
        process.exit(exitCode);
      } else {
        console.log(`\n${COLORS.YELLOW}${SYMBOLS.WARNING} CANCELLED${COLORS.RESET}\n`);
        rl.close();
        process.exit(0);
      }
    }

    // C path — CUSTOM sub-menu
    if (input === 'C') {
      console.log('');
      console.log(`${COLORS.CYAN}╔════════════════════════════════════════════════════════════════╗${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET} ${COLORS.BRIGHT}CUSTOM OPTIONS${COLORS.RESET}`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(`${COLORS.CYAN}╠════════════════════════════════════════════════════════════════╣${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}L.${COLORS.RESET}  ${COLORS.BLUE}LOCAL${COLORS.RESET}      Show local (project) install instructions`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}O.${COLORS.RESET}  ${COLORS.GREEN}LOOP CLI${COLORS.RESET}   Install plan2code-loop CLI only`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}M.${COLORS.RESET}  ${COLORS.GREEN}METRICS${COLORS.RESET}    Install plan2code-metrics CLI only`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}S.${COLORS.RESET}  ${COLORS.GREEN}STATUS${COLORS.RESET}     Install Claude Code status line`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}B.${COLORS.RESET}  ${COLORS.GREEN}BOT${COLORS.RESET}        Install plan2code-bot CLI only`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(padEndVisible(`${COLORS.CYAN}║${COLORS.RESET}  ${COLORS.BRIGHT}Q.${COLORS.RESET}  ${COLORS.DIM}BACK${COLORS.RESET}       Return to main menu`, 65) + `${COLORS.CYAN}║${COLORS.RESET}`);
      console.log(`${COLORS.CYAN}╚════════════════════════════════════════════════════════════════╝${COLORS.RESET}`);
      console.log('');
      const customAnswer = await question(`${COLORS.CYAN}${SYMBOLS.SELECT} SELECT OPTION${COLORS.RESET} (L, O, M, S, B, Q) [Q]: `);
      const customInput = customAnswer.trim().toUpperCase() || 'Q';

      // C > L — show local install instructions
      if (customInput === 'L') {
        rl.close();
        process.exit(displayLocalInstructions());
      }

      // C > O — install loop CLI only
      if (customInput === 'O') {
        rl.close();
        const result = installPlan2CodeLoop();
        process.exit(result);
      }

      // C > M — install metrics CLI only
      if (customInput === 'M') {
        rl.close();
        const result = installPlan2CodeMetrics();
        process.exit(result);
      }

      // C > S — install status line
      if (customInput === 'S') {
        rl.close();
        const result = await installStatusLine();
        process.exit(result);
      }

      // C > B — install bot CLI only
      if (customInput === 'B') {
        rl.close();
        const result = installPlan2CodeBot();
        process.exit(result);
      }

      // C > Q — back to main menu
      return main();
    }

    // Q — exit
    if (input === 'Q') {
      console.log(`\n${COLORS.YELLOW}${SYMBOLS.WARNING} CANCELLED${COLORS.RESET}\n`);
      rl.close();
      process.exit(0);
    }

    // Invalid input — loop back
    console.log(`\n${COLORS.RED}${SYMBOLS.ERROR} Invalid option. Please choose I, A, U, C, or Q.${COLORS.RESET}\n`);
    return main();
  }

  main().catch(err => {
    console.error(`${COLORS.RED}${SYMBOLS.ERROR} ERROR:${COLORS.RESET}`, err.message);
    rl.close();
    process.exit(1);
  });
}

// ============================================================================
// PLAN2CODE-LOOP INSTALLATION
// ============================================================================

const { execSync } = require('child_process');

/**
 * Build plan2code-loop package
 */
function buildPlan2CodeLoop() {
  const loopDir = path.join(__dirname, 'plan2code-loop');

  // Check if directory exists
  if (!fs.existsSync(loopDir)) {
    console.log(`${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} plan2code-loop directory not found`);
    return false;
  }

  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Building plan2code-loop...${COLORS.RESET}`);

  try {
    // Install dependencies
    console.log(`  ${COLORS.DIM}Installing dependencies...${COLORS.RESET}`);
    execSync('npm install', { cwd: loopDir, stdio: 'pipe' });

    // Build
    console.log(`  ${COLORS.DIM}Running build...${COLORS.RESET}`);
    execSync('npm run build', { cwd: loopDir, stdio: 'pipe' });

    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Build complete`);
    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Build failed: ${error.message}`);
    return false;
  }
}
/**
 * Clean up existing plan2code-loop symlinks/files before creating new ones
 * This prevents the Windows lstat error with stale symlinks
 */
function cleanupExistingSymlinks() {
  console.log(`  ${COLORS.DIM}Cleaning up existing symlinks...${COLORS.RESET}`);

  try {
    // Get npm global prefix - more reliable than npm bin -g on Windows
    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();

    // On Windows, bin files are directly in prefix; on Unix they're in prefix/bin
    const npmBinGlobal = process.platform === 'win32' ? npmPrefix : path.join(npmPrefix, 'bin');
    const npmRootGlobal = path.join(npmPrefix, 'node_modules');

    // Files/symlinks to clean up in npm bin directory
    const binFiles = [
      path.join(npmBinGlobal, 'plan2code-loop'),
      path.join(npmBinGlobal, 'plan2code-loop.cmd'),
      path.join(npmBinGlobal, 'plan2code-loop.ps1')
    ];

    // Symlink in node_modules - this is the main culprit for the lstat error
    const nodeModulesLink = path.join(npmRootGlobal, 'plan2code-loop');

    // Remove bin files first
    for (const file of binFiles) {
      try {
        const stats = fs.lstatSync(file);
        if (stats) {
          fs.unlinkSync(file);
          console.log(`    ${COLORS.DIM}Removed: ${path.basename(file)}${COLORS.RESET}`);
        }
      } catch (err) {
        if (err.code !== 'ENOENT') {
          // File exists but can't be removed normally, try rmSync
          try {
            fs.rmSync(file, { force: true, recursive: true });
            console.log(`    ${COLORS.DIM}Removed: ${path.basename(file)}${COLORS.RESET}`);
          } catch (rmErr) {
            console.log(`    ${COLORS.DIM}Could not remove: ${path.basename(file)}${COLORS.RESET}`);
          }
        }
      }
    }

    // Remove node_modules symlink - this is critical for fixing the lstat error
    try {
      const stats = fs.lstatSync(nodeModulesLink);
      if (stats) {
        // On Windows, junction points need special handling
        if (process.platform === 'win32') {
          // Try using rmdir for junction points
          try {
            fs.rmdirSync(nodeModulesLink);
            console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-loop (junction)${COLORS.RESET}`);
          } catch (rmdirErr) {
            // Fall back to rmSync
            fs.rmSync(nodeModulesLink, { force: true, recursive: true });
            console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-loop${COLORS.RESET}`);
          }
        } else {
          fs.rmSync(nodeModulesLink, { force: true, recursive: true });
          console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-loop${COLORS.RESET}`);
        }
      }
    } catch (err) {
      if (err.code !== 'ENOENT') {
        console.log(`    ${COLORS.DIM}Could not remove node_modules symlink: ${err.message}${COLORS.RESET}`);
      }
    }

    return true;
  } catch (error) {
    // Non-fatal - npm link might still work
    console.log(`    ${COLORS.DIM}Cleanup skipped: ${error.message}${COLORS.RESET}`);
    return true;
  }
}

/**
 * Create global symlink for plan2code-loop
 */
function createGlobalSymlink() {
  const loopDir = path.join(__dirname, 'plan2code-loop');
  const distBin = path.join(loopDir, 'dist', 'bin', 'plan2code-loop.js');
  // Check if built binary exists
  if (!fs.existsSync(distBin)) {
    console.log(`${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} plan2code-loop binary not found. Run build first.`);
    return false;
  }
  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Creating global symlink...${COLORS.RESET}`);

  // Clean up existing symlinks first to prevent Windows lstat errors
  cleanupExistingSymlinks();

  // On Windows, skip npm link entirely and create batch file directly
  // npm link has persistent issues with junctions and lstat errors on Windows
  if (process.platform === 'win32') {
    try {
      const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
      const symlinkCmd = path.join(npmPrefix, 'plan2code-loop.cmd');
      const symlinkPs1 = path.join(npmPrefix, 'plan2code-loop.ps1');

      // Create batch file wrapper for cmd.exe
      const batchContent = `@echo off\r\nnode "${distBin}" %*\r\n`;
      fs.writeFileSync(symlinkCmd, batchContent);
      console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: plan2code-loop.cmd`);

      // Create PowerShell wrapper for better shell support
      const ps1Content = `#!/usr/bin/env pwsh\r\nnode "${distBin}" $args\r\n`;
      fs.writeFileSync(symlinkPs1, ps1Content);
      console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: plan2code-loop.ps1`);

      console.log(`  ${COLORS.DIM}Run 'plan2code-loop --help' from any directory${COLORS.RESET}`);
      return true;
    } catch (error) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to create wrappers: ${error.message}`);
      return false;
    }
  }

  // On Unix systems, use npm link as it works reliably
  try {
    execSync('npm link', { cwd: loopDir, stdio: 'pipe' });
    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Global symlink created`);
    console.log(`  ${COLORS.DIM}Run 'plan2code-loop --help' from any directory${COLORS.RESET}`);
    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Symlink failed: ${error.message}`);
    return false;
  }
}
/**
 * Remove global symlink for plan2code-loop
 */
function removeGlobalSymlink() {
  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Removing global symlink...${COLORS.RESET}`);

  let removedCount = 0;

  try {
    // Get npm global prefix
    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();

    // On Windows, bin files are directly in prefix; on Unix they're in prefix/bin
    const npmBinGlobal = process.platform === 'win32' ? npmPrefix : path.join(npmPrefix, 'bin');
    const npmRootGlobal = path.join(npmPrefix, 'node_modules');

    // Files to remove
    const filesToRemove = [
      { path: path.join(npmBinGlobal, 'plan2code-loop'), name: 'plan2code-loop' },
      { path: path.join(npmBinGlobal, 'plan2code-loop.cmd'), name: 'plan2code-loop.cmd' },
      { path: path.join(npmBinGlobal, 'plan2code-loop.ps1'), name: 'plan2code-loop.ps1' },
      { path: path.join(npmRootGlobal, 'plan2code-loop'), name: 'node_modules/plan2code-loop' }
    ];

    for (const file of filesToRemove) {
      try {
        fs.lstatSync(file.path);
        fs.rmSync(file.path, { force: true, recursive: true });
        console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Removed: ${file.name}`);
        removedCount++;
      } catch (err) {
        if (err.code !== 'ENOENT') {
          console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to remove ${file.name}: ${err.message}`);
        }
      }
    }

    if (removedCount === 0) {
      console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} No files found to remove${COLORS.RESET}`);
    }

    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Uninstall failed: ${error.message}`);
    return false;
  }
}

/**
 * Install plan2code-loop (build + symlink)
 */
function installPlan2CodeLoop() {
  displaySectionHeader('PLAN2CODE-LOOP', '[ BUILD & INSTALL ]');

  const buildSuccess = buildPlan2CodeLoop();
  if (!buildSuccess) {
    return 1;
  }

  const symlinkSuccess = createGlobalSymlink();
  if (!symlinkSuccess) {
    return 1;
  }

  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} plan2code-loop installed successfully!${COLORS.RESET}`);
  console.log('');
  console.log(`${COLORS.CYAN}Usage:${COLORS.RESET}`);
  console.log(`  ${COLORS.BRIGHT}plan2code-loop${COLORS.RESET}          Start the autonomous loop`);
  console.log(`  ${COLORS.BRIGHT}plan2code-loop -c${COLORS.RESET}       Resume previous session`);
  console.log(`  ${COLORS.BRIGHT}plan2code-loop -v${COLORS.RESET}       Verbose mode`);
  console.log(`  ${COLORS.BRIGHT}plan2code-loop --help${COLORS.RESET}   Show all options`);
  console.log('');

  return 0;
}

/**
 * Uninstall plan2code-loop
 */
function uninstallPlan2CodeLoop() {
  displaySectionHeader('PLAN2CODE-LOOP', '[ UNINSTALL ]');

  removeGlobalSymlink();

  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} plan2code-loop uninstalled${COLORS.RESET}`);
  console.log('');

  return 0;
}

// ============================================================================
// PLAN2CODE-METRICS INSTALLATION
// ============================================================================

/**
 * Build plan2code-metrics package
 */
function buildPlan2CodeMetrics() {
  const metricsDir = path.join(__dirname, 'plan2code-metrics');

  if (!fs.existsSync(metricsDir)) {
    console.log(`${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} plan2code-metrics directory not found`);
    return false;
  }

  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Building plan2code-metrics...${COLORS.RESET}`);

  try {
    console.log(`  ${COLORS.DIM}Installing dependencies...${COLORS.RESET}`);
    execSync('npm install', { cwd: metricsDir, stdio: 'pipe' });

    console.log(`  ${COLORS.DIM}Running build...${COLORS.RESET}`);
    execSync('npm run build', { cwd: metricsDir, stdio: 'pipe' });

    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Build complete`);
    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Build failed: ${error.message}`);
    return false;
  }
}

/**
 * Clean up existing plan2code-metrics symlinks/files before creating new ones
 */
function cleanupExistingMetricsSymlinks() {
  console.log(`  ${COLORS.DIM}Cleaning up existing symlinks...${COLORS.RESET}`);

  try {
    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
    const npmBinGlobal = process.platform === 'win32' ? npmPrefix : path.join(npmPrefix, 'bin');
    const npmRootGlobal = path.join(npmPrefix, 'node_modules');

    const binFiles = [
      path.join(npmBinGlobal, 'plan2code-metrics'),
      path.join(npmBinGlobal, 'plan2code-metrics.cmd'),
      path.join(npmBinGlobal, 'plan2code-metrics.ps1')
    ];

    const nodeModulesLink = path.join(npmRootGlobal, 'plan2code-metrics');

    for (const file of binFiles) {
      try {
        const stats = fs.lstatSync(file);
        if (stats) {
          fs.unlinkSync(file);
          console.log(`    ${COLORS.DIM}Removed: ${path.basename(file)}${COLORS.RESET}`);
        }
      } catch (err) {
        if (err.code !== 'ENOENT') {
          try {
            fs.rmSync(file, { force: true, recursive: true });
            console.log(`    ${COLORS.DIM}Removed: ${path.basename(file)}${COLORS.RESET}`);
          } catch (rmErr) {
            console.log(`    ${COLORS.DIM}Could not remove: ${path.basename(file)}${COLORS.RESET}`);
          }
        }
      }
    }

    try {
      const stats = fs.lstatSync(nodeModulesLink);
      if (stats) {
        if (process.platform === 'win32') {
          try {
            fs.rmdirSync(nodeModulesLink);
            console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-metrics (junction)${COLORS.RESET}`);
          } catch (rmdirErr) {
            fs.rmSync(nodeModulesLink, { force: true, recursive: true });
            console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-metrics${COLORS.RESET}`);
          }
        } else {
          fs.rmSync(nodeModulesLink, { force: true, recursive: true });
          console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-metrics${COLORS.RESET}`);
        }
      }
    } catch (err) {
      if (err.code !== 'ENOENT') {
        console.log(`    ${COLORS.DIM}Could not remove node_modules symlink: ${err.message}${COLORS.RESET}`);
      }
    }

    return true;
  } catch (error) {
    console.log(`    ${COLORS.DIM}Cleanup skipped: ${error.message}${COLORS.RESET}`);
    return true;
  }
}

/**
 * Create global symlink for plan2code-metrics
 */
function createMetricsGlobalSymlink() {
  const metricsDir = path.join(__dirname, 'plan2code-metrics');
  const distBin = path.join(metricsDir, 'dist', 'bin', 'plan2code-metrics.js');

  if (!fs.existsSync(distBin)) {
    console.log(`${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} plan2code-metrics binary not found. Run build first.`);
    return false;
  }

  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Creating global symlink...${COLORS.RESET}`);

  cleanupExistingMetricsSymlinks();

  if (process.platform === 'win32') {
    try {
      const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
      const symlinkCmd = path.join(npmPrefix, 'plan2code-metrics.cmd');
      const symlinkPs1 = path.join(npmPrefix, 'plan2code-metrics.ps1');

      const batchContent = `@echo off\r\nnode "${distBin}" %*\r\n`;
      fs.writeFileSync(symlinkCmd, batchContent);
      console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: plan2code-metrics.cmd`);

      const ps1Content = `#!/usr/bin/env pwsh\r\nnode "${distBin}" $args\r\n`;
      fs.writeFileSync(symlinkPs1, ps1Content);
      console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: plan2code-metrics.ps1`);

      console.log(`  ${COLORS.DIM}Run 'plan2code-metrics' from any directory${COLORS.RESET}`);
      return true;
    } catch (error) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to create wrappers: ${error.message}`);
      return false;
    }
  }

  try {
    execSync('npm link', { cwd: metricsDir, stdio: 'pipe' });
    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Global symlink created`);
    console.log(`  ${COLORS.DIM}Run 'plan2code-metrics' from any directory${COLORS.RESET}`);
    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Symlink failed: ${error.message}`);
    return false;
  }
}

/**
 * Remove global symlink for plan2code-metrics
 */
function removeMetricsGlobalSymlink() {
  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Removing global symlink...${COLORS.RESET}`);

  let removedCount = 0;

  try {
    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
    const npmBinGlobal = process.platform === 'win32' ? npmPrefix : path.join(npmPrefix, 'bin');
    const npmRootGlobal = path.join(npmPrefix, 'node_modules');

    const filesToRemove = [
      { path: path.join(npmBinGlobal, 'plan2code-metrics'), name: 'plan2code-metrics' },
      { path: path.join(npmBinGlobal, 'plan2code-metrics.cmd'), name: 'plan2code-metrics.cmd' },
      { path: path.join(npmBinGlobal, 'plan2code-metrics.ps1'), name: 'plan2code-metrics.ps1' },
      { path: path.join(npmRootGlobal, 'plan2code-metrics'), name: 'node_modules/plan2code-metrics' }
    ];

    for (const file of filesToRemove) {
      try {
        fs.lstatSync(file.path);
        fs.rmSync(file.path, { force: true, recursive: true });
        console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Removed: ${file.name}`);
        removedCount++;
      } catch (err) {
        if (err.code !== 'ENOENT') {
          console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to remove ${file.name}: ${err.message}`);
        }
      }
    }

    if (removedCount === 0) {
      console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} No files found to remove${COLORS.RESET}`);
    }

    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Uninstall failed: ${error.message}`);
    return false;
  }
}

/**
 * Install plan2code-metrics (build + symlink)
 */
function installPlan2CodeMetrics() {
  displaySectionHeader('PLAN2CODE-METRICS', '[ BUILD & INSTALL ]');

  const buildSuccess = buildPlan2CodeMetrics();
  if (!buildSuccess) {
    return 1;
  }

  const symlinkSuccess = createMetricsGlobalSymlink();
  if (!symlinkSuccess) {
    return 1;
  }

  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} plan2code-metrics installed successfully!${COLORS.RESET}`);
  console.log('');
  console.log(`${COLORS.CYAN}Usage:${COLORS.RESET}`);
  console.log(`  ${COLORS.BRIGHT}plan2code-metrics${COLORS.RESET}       Start the interactive metrics CLI`);
  console.log('');

  return 0;
}

/**
 * Uninstall plan2code-metrics
 */
function uninstallPlan2CodeMetrics() {
  displaySectionHeader('PLAN2CODE-METRICS', '[ UNINSTALL ]');

  removeMetricsGlobalSymlink();

  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} plan2code-metrics uninstalled${COLORS.RESET}`);
  console.log('');

  return 0;
}

// ============================================================================
// STATUS LINE INSTALLATION
// ============================================================================

/**
 * Status line source layout — single-file design, no bundling step.
 * `statusline.js` is self-contained (config loader, formatters, entry point)
 * and copied verbatim to ~/.claude/plan2code-statusline.js on install.
 */
function getStatusLineSrcDir() {
  return path.join(__dirname, 'src', 'statusline-claude');
}

/**
 * Install status line (copy + configure settings).
 * Async because it may prompt when a custom (non-plan2code) statusLine exists.
 */
async function installStatusLine({ quiet = false } = {}) {
  if (!quiet) {
    displaySectionHeader('CLAUDE STATUS LINE', '[ INSTALL ]');
  } else {
    console.log(`  ${COLORS.CYAN}${SYMBOLS.ACTIVE} INSTALLING${COLORS.RESET} Claude Status Line...`);
  }

  const srcDir = getStatusLineSrcDir();
  if (!fs.existsSync(srcDir)) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} src/statusline-claude directory not found`);
    return 1;
  }

  const homeDir = os.homedir();
  const claudeDir = path.join(homeDir, '.claude');

  try {
    fs.mkdirSync(claudeDir, { recursive: true });
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Cannot create ~/.claude/: ${error.message}`);
    return 1;
  }

  // Copy script directly from src (no bundling — statusline.js is self-contained)
  const statuslineDest = path.join(claudeDir, 'plan2code-statusline.js');
  const configDest = path.join(claudeDir, 'statusline-config.json');

  try {
    fs.copyFileSync(path.join(srcDir, 'statusline.js'), statuslineDest);
    if (!quiet) console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Installed: ~/.claude/plan2code-statusline.js`);
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to copy script: ${error.message}`);
    return 1;
  }

  // Preserve existing user config
  if (!fs.existsSync(configDest)) {
    try {
      fs.copyFileSync(path.join(srcDir, 'statusline-config.json'), configDest);
      if (!quiet) console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: ~/.claude/statusline-config.json`);
    } catch (error) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to copy config: ${error.message}`);
      return 1;
    }
  } else {
    if (!quiet) console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} Preserved existing: ~/.claude/statusline-config.json${COLORS.RESET}`);
  }

  // Make executable on non-Windows
  if (process.platform !== 'win32') {
    try {
      fs.chmodSync(statuslineDest, 0o755);
    } catch {}
  }

  // Configure Claude Code settings.json
  let settingsOk = false;
  const settingsPath = path.join(claudeDir, 'settings.json');
  const expectedCommand = `node "${statuslineDest.replace(/\\/g, '/')}"`;

  try {
    let settings = {};
    if (fs.existsSync(settingsPath)) {
      settings = JSON.parse(fs.readFileSync(settingsPath, 'utf8'));
    }

    // Detect existing statusLine — skip prompt if ours or absent
    if (settings.statusLine && settings.statusLine.command) {
      const existingCmd = settings.statusLine.command;
      const isPlan2Code = existingCmd.includes('plan2code-statusline');

      if (!isPlan2Code) {
        // Custom statusLine detected — prompt before overwriting
        console.log(`  ${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} Existing statusLine detected in settings.json:`);
        console.log(`  ${COLORS.DIM}  ${existingCmd}${COLORS.RESET}`);

        const rl2 = readline.createInterface({ input: process.stdin, output: process.stdout });
        const answer = await new Promise(resolve => {
          rl2.question(`  ${COLORS.CYAN}Replace with Plan2Code status line?${COLORS.RESET} (Y/n): `, resolve);
        });
        rl2.close();

        if (answer.trim().toLowerCase() === 'n') {
          console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} Skipped — scripts installed but settings.json unchanged${COLORS.RESET}`);
          console.log('');
          return 0;
        }

        // Backup existing config before replacing
        const backupPath = path.join(claudeDir, 'statusline-previous.json');
        fs.writeFileSync(backupPath, JSON.stringify({ statusLine: settings.statusLine }, null, 2));
        console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Backed up existing config: ~/.claude/statusline-previous.json`);
      }
    }

    settings.statusLine = {
      type: 'command',
      command: expectedCommand,
    };
    // Atomic write: temp file + rename so a crash/power-loss never leaves
    // settings.json truncated.
    const tmpSettings = settingsPath + '.tmp';
    fs.writeFileSync(tmpSettings, JSON.stringify(settings, null, 2));
    fs.renameSync(tmpSettings, settingsPath);
    if (!quiet) console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Configured: ~/.claude/settings.json (statusLine)`);
    settingsOk = true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to update settings.json: ${error.message}`);
  }

  // Clean up legacy filenames from previous installs
  for (const legacy of ['statusline.js', 'plan-usage.js', 'plan2code-plan-usage.js', 'statusline-cache.json']) {
    const legacyPath = path.join(claudeDir, legacy);
    try {
      if (fs.existsSync(legacyPath)) {
        fs.unlinkSync(legacyPath);
        if (!quiet) console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} Removed legacy: ${legacy}${COLORS.RESET}`);
      }
    } catch {}
  }

  if (settingsOk) {
    if (!quiet) {
      console.log('');
      console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} Claude Status Line installed successfully!${COLORS.RESET}`);
      console.log('');
      console.log(`${COLORS.CYAN}Usage:${COLORS.RESET}`);
      console.log(`  ${COLORS.DIM}Restart Claude Code to see the status bar${COLORS.RESET}`);
      console.log(`  ${COLORS.DIM}Config: ~/.claude/statusline-config.json${COLORS.RESET}`);
      console.log('');
    } else {
      console.log(`    ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Claude Status Line → ${COLORS.DIM}~/.claude/plan2code-statusline.js${COLORS.RESET}`);
    }
  } else {
    console.log('');
    console.log(`  ${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} Scripts installed but settings.json not updated.`);
    console.log(`  ${COLORS.DIM}Add statusLine config to ~/.claude/settings.json manually.${COLORS.RESET}`);
    console.log('');
  }

  return settingsOk ? 0 : 1;
}

/**
 * Uninstall status line
 */
function uninstallStatusLine() {
  displaySectionHeader('CLAUDE STATUS LINE', '[ UNINSTALL ]');

  const homeDir = os.homedir();
  const claudeDir = path.join(homeDir, '.claude');
  const settingsPath = path.join(claudeDir, 'settings.json');

  // Remove statusLine from settings.json (only if it points to our bundle)
  try {
    if (fs.existsSync(settingsPath)) {
      const settings = JSON.parse(fs.readFileSync(settingsPath, 'utf8'));
      if (settings.statusLine) {
        const existingCmd = settings.statusLine.command || '';
        if (existingCmd.includes('plan2code-statusline')) {
          delete settings.statusLine;
          const tmpSettings = settingsPath + '.tmp';
          fs.writeFileSync(tmpSettings, JSON.stringify(settings, null, 2));
          fs.renameSync(tmpSettings, settingsPath);
          console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Removed statusLine from settings.json`);
        } else {
          console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} Preserved non-plan2code statusLine in settings.json${COLORS.RESET}`);
          console.log(`  ${COLORS.DIM}  ${existingCmd}${COLORS.RESET}`);
        }
      } else {
        console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} No statusLine config in settings.json${COLORS.RESET}`);
      }
    }
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to update settings.json: ${error.message}`);
  }

  // Remove script files (preserve config)
  const filesToRemove = [
    { path: path.join(claudeDir, 'plan2code-statusline.js'), name: 'plan2code-statusline.js' },
    { path: path.join(claudeDir, 'plan2code-plan-usage.js'), name: 'plan2code-plan-usage.js' },
    { path: path.join(claudeDir, 'statusline.js'), name: 'statusline.js (legacy)' },
    { path: path.join(claudeDir, 'plan-usage.js'), name: 'plan-usage.js (legacy)' },
    { path: path.join(claudeDir, 'statusline-cache.json'), name: 'statusline-cache.json' },
  ];

  let removedCount = 0;
  for (const file of filesToRemove) {
    try {
      if (fs.existsSync(file.path)) {
        fs.unlinkSync(file.path);
        console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Removed: ${file.name}`);
        removedCount++;
      }
    } catch (error) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to remove ${file.name}: ${error.message}`);
    }
  }

  if (removedCount === 0) {
    console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} No status line files found${COLORS.RESET}`);
  }

  console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} Preserved: statusline-config.json${COLORS.RESET}`);
  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} Status line uninstalled${COLORS.RESET}`);
  console.log('');

  return 0;
}

// ============================================================================
// PLAN2CODE-BOT INSTALLATION
// ============================================================================

/**
 * Build plan2code-bot package
 */
function buildPlan2CodeBot() {
  const botDir = path.join(__dirname, 'plan2code-bot');

  if (!fs.existsSync(botDir)) {
    console.log(`${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} plan2code-bot directory not found`);
    return false;
  }

  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Building plan2code-bot...${COLORS.RESET}`);

  try {
    console.log(`  ${COLORS.DIM}Installing dependencies...${COLORS.RESET}`);
    execSync('npm install', { cwd: botDir, stdio: 'pipe' });

    console.log(`  ${COLORS.DIM}Running build...${COLORS.RESET}`);
    execSync('npm run build', { cwd: botDir, stdio: 'pipe' });

    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Build complete`);
    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Build failed: ${error.message}`);
    return false;
  }
}

/**
 * Clean up existing plan2code-bot symlinks/files before creating new ones
 */
function cleanupExistingBotSymlinks() {
  console.log(`  ${COLORS.DIM}Cleaning up existing symlinks...${COLORS.RESET}`);

  try {
    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
    const npmBinGlobal = process.platform === 'win32' ? npmPrefix : path.join(npmPrefix, 'bin');
    const npmRootGlobal = path.join(npmPrefix, 'node_modules');

    const binFiles = [
      path.join(npmBinGlobal, 'plan2code-bot'),
      path.join(npmBinGlobal, 'plan2code-bot.cmd'),
      path.join(npmBinGlobal, 'plan2code-bot.ps1')
    ];

    const nodeModulesLink = path.join(npmRootGlobal, 'plan2code-bot');

    for (const file of binFiles) {
      try {
        const stats = fs.lstatSync(file);
        if (stats) {
          fs.unlinkSync(file);
          console.log(`    ${COLORS.DIM}Removed: ${path.basename(file)}${COLORS.RESET}`);
        }
      } catch (err) {
        if (err.code !== 'ENOENT') {
          try {
            fs.rmSync(file, { force: true, recursive: true });
            console.log(`    ${COLORS.DIM}Removed: ${path.basename(file)}${COLORS.RESET}`);
          } catch (rmErr) {
            console.log(`    ${COLORS.DIM}Could not remove: ${path.basename(file)}${COLORS.RESET}`);
          }
        }
      }
    }

    try {
      const stats = fs.lstatSync(nodeModulesLink);
      if (stats) {
        if (process.platform === 'win32') {
          try {
            fs.rmdirSync(nodeModulesLink);
            console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-bot (junction)${COLORS.RESET}`);
          } catch (rmdirErr) {
            fs.rmSync(nodeModulesLink, { force: true, recursive: true });
            console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-bot${COLORS.RESET}`);
          }
        } else {
          fs.rmSync(nodeModulesLink, { force: true, recursive: true });
          console.log(`    ${COLORS.DIM}Removed: node_modules/plan2code-bot${COLORS.RESET}`);
        }
      }
    } catch (err) {
      if (err.code !== 'ENOENT') {
        console.log(`    ${COLORS.DIM}Could not remove node_modules symlink: ${err.message}${COLORS.RESET}`);
      }
    }

    return true;
  } catch (error) {
    console.log(`    ${COLORS.DIM}Cleanup skipped: ${error.message}${COLORS.RESET}`);
    return true;
  }
}

/**
 * Create global symlink for plan2code-bot
 */
function createBotGlobalSymlink() {
  const botDir = path.join(__dirname, 'plan2code-bot');
  const distBin = path.join(botDir, 'dist', 'bin', 'plan2code-bot.js');

  if (!fs.existsSync(distBin)) {
    console.log(`${COLORS.YELLOW}${SYMBOLS.WARNING}${COLORS.RESET} plan2code-bot binary not found. Run build first.`);
    return false;
  }

  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Creating global symlink...${COLORS.RESET}`);

  cleanupExistingBotSymlinks();

  if (process.platform === 'win32') {
    try {
      const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
      const symlinkCmd = path.join(npmPrefix, 'plan2code-bot.cmd');
      const symlinkPs1 = path.join(npmPrefix, 'plan2code-bot.ps1');

      const batchContent = `@echo off\r\nnode "${distBin}" %*\r\n`;
      fs.writeFileSync(symlinkCmd, batchContent);
      console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: plan2code-bot.cmd`);

      const ps1Content = `#!/usr/bin/env pwsh\r\nnode "${distBin}" $args\r\n`;
      fs.writeFileSync(symlinkPs1, ps1Content);
      console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Created: plan2code-bot.ps1`);

      console.log(`  ${COLORS.DIM}Run 'plan2code-bot' from any directory${COLORS.RESET}`);
      return true;
    } catch (error) {
      console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to create wrappers: ${error.message}`);
      return false;
    }
  }

  try {
    execSync('npm link', { cwd: botDir, stdio: 'pipe' });
    console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Global symlink created`);
    console.log(`  ${COLORS.DIM}Run 'plan2code-bot' from any directory${COLORS.RESET}`);
    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Symlink failed: ${error.message}`);
    return false;
  }
}

/**
 * Remove global symlink for plan2code-bot
 */
function removeBotGlobalSymlink() {
  console.log(`${COLORS.CYAN}${SYMBOLS.ACTIVE} Removing global symlink...${COLORS.RESET}`);

  let removedCount = 0;

  try {
    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf8' }).trim();
    const npmBinGlobal = process.platform === 'win32' ? npmPrefix : path.join(npmPrefix, 'bin');
    const npmRootGlobal = path.join(npmPrefix, 'node_modules');

    const filesToRemove = [
      { path: path.join(npmBinGlobal, 'plan2code-bot'), name: 'plan2code-bot' },
      { path: path.join(npmBinGlobal, 'plan2code-bot.cmd'), name: 'plan2code-bot.cmd' },
      { path: path.join(npmBinGlobal, 'plan2code-bot.ps1'), name: 'plan2code-bot.ps1' },
      { path: path.join(npmRootGlobal, 'plan2code-bot'), name: 'node_modules/plan2code-bot' }
    ];

    for (const file of filesToRemove) {
      try {
        fs.lstatSync(file.path);
        fs.rmSync(file.path, { force: true, recursive: true });
        console.log(`  ${COLORS.GREEN}${SYMBOLS.SUCCESS}${COLORS.RESET} Removed: ${file.name}`);
        removedCount++;
      } catch (err) {
        if (err.code !== 'ENOENT') {
          console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Failed to remove ${file.name}: ${err.message}`);
        }
      }
    }

    if (removedCount === 0) {
      console.log(`  ${COLORS.DIM}${SYMBOLS.INFO} No files found to remove${COLORS.RESET}`);
    }

    return true;
  } catch (error) {
    console.log(`  ${COLORS.RED}${SYMBOLS.ERROR}${COLORS.RESET} Uninstall failed: ${error.message}`);
    return false;
  }
}

/**
 * Install plan2code-bot (build + symlink)
 */
function installPlan2CodeBot() {
  displaySectionHeader('PLAN2CODE-BOT', '[ BUILD & INSTALL ]');

  const buildSuccess = buildPlan2CodeBot();
  if (!buildSuccess) {
    return 1;
  }

  const symlinkSuccess = createBotGlobalSymlink();
  if (!symlinkSuccess) {
    return 1;
  }

  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} plan2code-bot installed successfully!${COLORS.RESET}`);
  console.log('');
  console.log(`${COLORS.CYAN}Usage:${COLORS.RESET}`);
  console.log(`  ${COLORS.BRIGHT}plan2code-bot${COLORS.RESET}           Run autonomous workflow test`);
  console.log('');

  return 0;
}

/**
 * Uninstall plan2code-bot
 */
function uninstallPlan2CodeBot() {
  displaySectionHeader('PLAN2CODE-BOT', '[ UNINSTALL ]');

  removeBotGlobalSymlink();

  console.log('');
  console.log(`${COLORS.GREEN}${SYMBOLS.SUCCESS} plan2code-bot uninstalled${COLORS.RESET}`);
  console.log('');

  return 0;
}

// ============================================================================
// MAIN
// ============================================================================

// Always run interactive menu
runInteractive();