// SVG to PNG converter using sharp library
// Run: npm install --save-dev sharp
// Then: node scripts/convert-with-sharp.js

const fs = require('fs');
const path = require('path');

async function convertIcons() {
  try {
    const sharp = require('sharp');
    console.log('Converting SVG icons to PNG using sharp...\n');

    const publicDir = path.join(__dirname, '..', 'public');
    
    const conversions = [
      { input: 'icon-192.svg', output: 'icon-192.png', size: 192 },
      { input: 'icon-512.svg', output: 'icon-512.png', size: 512 },
      { input: 'apple-touch-icon.svg', output: 'apple-touch-icon.png', size: 180 },
      { input: 'favicon.svg', output: 'favicon-32.png', size: 32 }
    ];

    for (const conv of conversions) {
      const inputPath = path.join(publicDir, conv.input);
      const outputPath = path.join(publicDir, conv.output);
      
      if (!fs.existsSync(inputPath)) {
        console.log(`⚠️  ${conv.input} not found, skipping...`);
        continue;
      }

      await sharp(inputPath)
        .resize(conv.size, conv.size)
        .png()
        .toFile(outputPath);
      
      console.log(`✓ Created ${conv.output} (${conv.size}x${conv.size})`);
    }

    console.log('\n✓ All PNG icons generated successfully!');
    console.log('\nNext steps:');
    console.log('  1. Update manifest.json to reference PNG icons');
    console.log('  2. Update app/layout.tsx to use PNG apple-touch-icon');
    console.log('  3. Test "Add to Home Screen" on iOS Safari');

  } catch (error) {
    if (error.code === 'MODULE_NOT_FOUND') {
      console.error('❌ Sharp is not installed.');
      console.log('\nTo install sharp, run:');
      console.log('  npm install --save-dev sharp');
      console.log('\nOr use alternative conversion methods:');
      console.log('  node scripts/svg-to-png.js');
    } else {
      console.error('Error converting icons:', error.message);
    }
    process.exit(1);
  }
}

convertIcons();