#!/usr/bin/env node

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

console.log('🔍 Checking rclone installation...');

function checkRclone() {
  return new Promise((resolve) => {
    const rclone = spawn('rclone', ['version'], { stdio: 'pipe' });
    
    let output = '';
    let error = '';
    
    rclone.stdout.on('data', (data) => {
      output += data.toString();
    });
    
    rclone.stderr.on('data', (data) => {
      error += data.toString();
    });
    
    rclone.on('close', (code) => {
      if (code === 0) {
        const versionMatch = output.match(/rclone v(\d+\.\d+\.\d+)/);
        if (versionMatch) {
          console.log(`✅ Rclone is installed: ${versionMatch[1]}`);
          resolve(true);
        } else {
          console.log('✅ Rclone is installed (version unknown)');
          resolve(true);
        }
      } else {
        console.log('❌ Rclone is not installed or not in PATH');
        resolve(false);
      }
    });
    
    rclone.on('error', () => {
      console.log('❌ Rclone is not installed or not in PATH');
      resolve(false);
    });
  });
}

function showInstallInstructions() {
  console.log('\n📥 Rclone Installation Instructions:');
  console.log('=====================================');
  
  if (process.platform === 'darwin') {
    console.log('\n🍎 macOS:');
    console.log('  brew install rclone');
    console.log('  # Or download from: https://rclone.org/downloads/');
  } else if (process.platform === 'win32') {
    console.log('\n🪟 Windows:');
    console.log('  # Download from: https://rclone.org/downloads/');
    console.log('  # Extract and add to PATH');
  } else if (process.platform === 'linux') {
    console.log('\n🐧 Linux:');
    console.log('  # Ubuntu/Debian:');
    console.log('  curl https://rclone.org/install.sh | sudo bash');
    console.log('  # Or: sudo apt install rclone');
    console.log('  # CentOS/RHEL:');
    console.log('  sudo yum install rclone');
  }
  
  console.log('\n📚 After installation:');
  console.log('  1. Run: rclone config');
  console.log('  2. Create a new remote named "music"');
  console.log('  3. Choose S3 provider');
  console.log('  4. Enter your Garage S3 credentials');
  console.log('\n🔗 Documentation: https://rclone.org/s3/');
}

async function main() {
  const isInstalled = await checkRclone();
  
  if (!isInstalled) {
    showInstallInstructions();
    process.exit(1);
  } else {
    console.log('\n🎉 Rclone is ready to use!');
    console.log('💡 You can now run: npm start');
  }
}

main().catch(console.error);