#!/usr/bin/env node

const { Command } = require('commander');
const chalk = require('chalk');
const { execSync, spawn } = require('child_process');
const path = require('path');
const fs = require('fs');
const os = require('os');

const program = new Command();
const packageRoot = path.dirname(__dirname);

// Helper to run Python scripts
function runPythonScript(scriptName, args = []) {
  const scriptPath = path.join(packageRoot, 'scripts', scriptName);
  return spawn('python3', [scriptPath, ...args], { 
    stdio: 'inherit',
    cwd: packageRoot 
  });
}

// Helper to check installation status
function checkStatus() {
  const hooksConfig = path.join(os.homedir(), '.config', 'claude', 'hooks.json');
  const hasHooks = fs.existsSync(hooksConfig);
  
  console.log(chalk.blue('Claude Hooks Status:'));
  console.log(hasHooks ? chalk.green('✓ Hooks configuration installed') : chalk.red('✗ No hooks configuration found'));
  
  try {
    execSync('python3 --version', { stdio: 'pipe' });
    console.log(chalk.green('✓ Python 3 available'));
  } catch {
    console.log(chalk.red('✗ Python 3 not found'));
  }
  
  return hasHooks;
}

program
  .name('claude-hooks')
  .description('Intelligent hooks system for Claude Code')
  .version(require('../package.json').version);

program
  .command('init')
  .description('Initialize Claude Hooks (run after npm install)')
  .option('--force', 'Force reinstallation even if already configured')
  .action((options) => {
    console.log(chalk.blue('Initializing Claude Hooks...'));
    
    if (!options.force && checkStatus()) {
      console.log(chalk.yellow('⚠️  Claude Hooks already configured. Use --force to reinstall.'));
      return;
    }
    
    const initScript = runPythonScript('install.py');
    initScript.on('close', (code) => {
      if (code === 0) {
        console.log(chalk.green('\n🎉 Claude Hooks initialized successfully!'));
        console.log(chalk.blue('Next steps:'));
        console.log('1. Restart Claude Code to activate hooks');
        console.log('2. Try: claude-hooks test');
      } else {
        console.log(chalk.red('❌ Initialization failed'));
        process.exit(1);
      }
    });
  });

program
  .command('status')
  .description('Show Claude Hooks installation status')
  .action(() => {
    checkStatus();
  });

program
  .command('test')
  .description('Run Claude Hooks tests')
  .action(() => {
    console.log(chalk.blue('Running Claude Hooks tests...'));
    const testScript = runPythonScript('test.py');
    testScript.on('close', (code) => {
      if (code === 0) {
        console.log(chalk.green('✅ All tests passed!'));
      } else {
        console.log(chalk.red('❌ Some tests failed'));
        process.exit(1);
      }
    });
  });

program
  .command('uninstall')
  .description('Remove Claude Hooks configuration')
  .action(() => {
    console.log(chalk.blue('Uninstalling Claude Hooks...'));
    const uninstallScript = runPythonScript('uninstall.py');
    uninstallScript.on('close', (code) => {
      if (code === 0) {
        console.log(chalk.green('✅ Claude Hooks uninstalled successfully'));
        console.log(chalk.yellow('Note: To completely remove, run: npm uninstall -g claude-hooks'));
      } else {
        console.log(chalk.red('❌ Uninstall failed'));
        process.exit(1);
      }
    });
  });

program
  .command('backup')
  .description('Manually trigger a backup')
  .action(() => {
    console.log(chalk.blue('Creating manual backup...'));
    const backupScript = runPythonScript('manual-backup.py');
    backupScript.on('close', (code) => {
      if (code === 0) {
        console.log(chalk.green('✅ Backup created successfully'));
      } else {
        console.log(chalk.red('❌ Backup failed'));
        process.exit(1);
      }
    });
  });

program.parse();