#!/usr/bin/env node

/**
 * Impeccable CLI
 *
 * Usage:
 *   npx impeccable detect [file-or-dir-or-url...]
 *   npx impeccable help|install|update
 *   npx impeccable --help
 */

import { readFileSync } from 'node:fs';
import { join, dirname } from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url));
const SKILL_COMMANDS = new Set(['help', 'install', 'link', 'update', 'check']);

async function main() {
  const args = process.argv.slice(2);
  const command = args[0];

  if (!command || command === '--help' || command === '-h') {
    console.log(`Usage: impeccable <command> [options]

Commands:
  detect [file-or-dir-or-url...]   Scan for UI anti-patterns and design quality issues
  help                             List all available skills and commands
  install                          Install impeccable skills into your project or global harness
  link                             Symlink skills from a local checkout or submodule
  update                           Update skills to the latest version
  check                            Check if skill updates are available

Options:
  --help       Show this help message
  --version    Show version number

Compatibility:
  impeccable skills <command>       Legacy namespace; still supported.`);
    process.exit(0);
  }

  if (command === '--version' || command === '-v') {
    const pkg = JSON.parse(readFileSync(join(__dirname, '..', '..', 'package.json'), 'utf8'));
    console.log(pkg.version);
    process.exit(0);
  }

  if (command === 'detect') {
    process.argv = [process.argv[0], process.argv[1], ...args.slice(1)];
    const { detectCli } = await import('../engine/detect-antipatterns.mjs');
    await detectCli();
  } else if (command === 'skills') {
    const { run } = await import('./commands/skills.mjs');
    await run(args.slice(1));
  } else if (SKILL_COMMANDS.has(command)) {
    const { run } = await import('./commands/skills.mjs');
    await run(args);
  } else {
    // Default: treat as detect arguments (allow `npx impeccable src/` shorthand)
    process.argv = [process.argv[0], process.argv[1], ...args];
    const { detectCli } = await import('../engine/detect-antipatterns.mjs');
    await detectCli();
  }
}

main().catch(error => {
  if (error?.code === 'IMPECCABLE_PROMPT_ABORT') {
    console.log('\nAborted.');
    process.exit(130);
  }

  console.error(error?.message || error);
  process.exit(1);
});