#!/usr/bin/env node
// CLI entry point for imhotep command
import { initProject } from './init.js';
import { getPresetNames } from './presets/index.js';

function showHelp(): void {
  console.log(`
Usage: imhotep init --preset <name> [--dir <path>]

Commands:
  init              Scaffold a new Imhotep project

Options:
  --preset <name>   Project preset (${getPresetNames().join(', ')})
  --dir <path>      Target directory (default: current directory)
  --help            Show this help message

Examples:
  npx imhotep init --preset react
  npx imhotep init --preset next --dir ./next-tests
  npx imhotep init --preset nuxt --dir ./nuxt-tests
  npx imhotep init --preset vue --dir ./my-project
  npx imhotep init --preset storybook --dir ./storybook-tests
`);
}

function main(): void {
  const args = process.argv.slice(2);
  
  if (args.length === 0 || args.includes('--help') || args.includes('-h')) {
    showHelp();
    process.exit(0);
  }
  
  const command = args[0];
  
  if (command === 'init') {
    const presetIndex = args.indexOf('--preset');
    const dirIndex = args.indexOf('--dir');
    
    if (presetIndex === -1 || !args[presetIndex + 1]) {
      console.error('Error: --preset is required');
      console.error(`Available presets: ${getPresetNames().join(', ')}`);
      process.exit(1);
    }
    
    const preset = args[presetIndex + 1];
    const targetDir = dirIndex !== -1 
      ? args[dirIndex + 1] 
      : process.cwd();
    
    try {
      const result = initProject({ preset, targetDir });
      console.log(`✓ Scaffolded ${preset} project in ${targetDir}`);

      if (result.created.length > 0) {
        console.log(`  Created: ${result.created.map(f => f.replace(targetDir, '.')).join(', ')}`);
      }
      if (result.skipped.length > 0) {
        console.warn(`  Skipped (already exists): ${result.skipped.map(f => f.replace(targetDir, '.')).join(', ')}`);
      }
      console.log(`  Run: cd ${targetDir} && npm install && npm test`);
    } catch (error: any) {
      console.error(`Error: ${error.message}`);
      process.exit(1);
    }
  } else {
    console.error(`Unknown command: ${command}`);
    showHelp();
    process.exit(1);
  }
}

main();