#!/usr/bin/env node

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

console.log('📦 Claude Hooks post-install setup...');

// Check Python availability
try {
  execSync('python3 --version', { stdio: 'pipe' });
  console.log('✓ Python 3 found');
} catch {
  console.error('❌ Python 3 is required but not found');
  console.error('Please install Python 3.8+ and try again');
  process.exit(1);
}

// Install Python dependencies
console.log('📋 Installing Python dependencies...');
const packageRoot = path.dirname(__dirname);
const requirementsPath = path.join(packageRoot, 'requirements.txt');

if (fs.existsSync(requirementsPath)) {
  try {
    execSync(`python3 -m pip install -r "${requirementsPath}" --user --quiet`, { 
      stdio: 'pipe',
      cwd: packageRoot 
    });
    console.log('✓ Python dependencies installed');
  } catch (error) {
    console.log('⚠️  Some Python dependencies may not have installed');
    console.log('You can install them manually: pip3 install -r requirements.txt');
  }
} else {
  console.log('⚠️  requirements.txt not found, skipping Python dependencies');
}

// Make scripts executable
console.log('🔧 Setting up permissions...');
const scriptsDir = path.join(packageRoot, 'scripts');
const hooksDir = path.join(packageRoot, 'hooks');

[scriptsDir, hooksDir].forEach(dir => {
  if (fs.existsSync(dir)) {
    const files = fs.readdirSync(dir);
    files.forEach(file => {
      if (file.endsWith('.py') || file.endsWith('.sh')) {
        const filePath = path.join(dir, file);
        try {
          fs.chmodSync(filePath, 0o755);
        } catch (e) {
          // Ignore chmod errors on systems that don't support it
        }
      }
    });
  }
});

console.log('✓ Permissions configured');

// Create runtime directories
console.log('📁 Creating runtime directories...');
const runtimeDir = path.join(packageRoot, '.claude_hooks');
const subdirs = ['backups', 'logs', 'patterns'];

try {
  if (!fs.existsSync(runtimeDir)) {
    fs.mkdirSync(runtimeDir, { recursive: true });
  }
  
  subdirs.forEach(subdir => {
    const subdirPath = path.join(runtimeDir, subdir);
    if (!fs.existsSync(subdirPath)) {
      fs.mkdirSync(subdirPath, { recursive: true });
    }
  });
  
  console.log('✓ Runtime directories created');
} catch (error) {
  console.log('⚠️  Could not create runtime directories:', error.message);
}

console.log('');
console.log('🎉 Claude Hooks installed successfully!');
console.log('');
console.log('Next steps:');
console.log('1. Run: claude-hooks init');
console.log('2. Restart Claude Code to activate hooks');
console.log('3. Test with: claude-hooks test');
console.log('');
console.log('For help: claude-hooks --help');