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

// SVG content for the favicon
const svgContent = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
  <!-- Crystal Ball Base -->
  <ellipse cx="256" cy="420" rx="120" ry="40" fill="#1e40af"/>
  
  <!-- Crystal Ball -->
  <circle cx="256" cy="256" r="180" fill="#3b82f6" opacity="0.9"/>
  
  <!-- Crystal Ball Shine -->
  <ellipse cx="220" cy="200" rx="60" ry="80" fill="#60a5fa" opacity="0.6"/>
  
  <!-- Stock Chart Line -->
  <path d="M 150 280 L 180 260 L 210 270 L 240 240 L 270 250 L 300 220 L 330 230 L 360 200" 
        stroke="white" stroke-width="6" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
  
  <!-- Chart Points -->
  <circle cx="150" cy="280" r="8" fill="white"/>
  <circle cx="180" cy="260" r="8" fill="white"/>
  <circle cx="210" cy="270" r="8" fill="white"/>
  <circle cx="240" cy="240" r="8" fill="white"/>
  <circle cx="270" cy="250" r="8" fill="white"/>
  <circle cx="300" cy="220" r="8" fill="white"/>
  <circle cx="330" cy="230" r="8" fill="white"/>
  <circle cx="360" cy="200" r="8" fill="white"/>
</svg>`;

const publicDir = path.join(__dirname, '..', 'public');

// Ensure public directory exists
if (!fs.existsSync(publicDir)) {
  fs.mkdirSync(publicDir, { recursive: true });
}

async function generateIcons() {
  try {
    // Save SVG file
    fs.writeFileSync(path.join(publicDir, 'favicon.svg'), svgContent);
    console.log('✅ Generated favicon.svg');

    // Generate PNG icons in various sizes
    const sizes = [
      { size: 16, name: 'favicon-16x16.png' },
      { size: 32, name: 'favicon-32x32.png' },
      { size: 192, name: 'icon-192.png' },
      { size: 512, name: 'icon-512.png' },
      { size: 180, name: 'apple-touch-icon.png' }
    ];

    for (const { size, name } of sizes) {
      await sharp(Buffer.from(svgContent))
        .resize(size, size)
        .png()
        .toFile(path.join(publicDir, name));
      console.log(`✅ Generated ${name}`);
    }

    // Generate favicon.ico (multi-resolution)
    await sharp(Buffer.from(svgContent))
      .resize(32, 32)
      .png()
      .toFile(path.join(publicDir, 'favicon.ico'));
    console.log('✅ Generated favicon.ico');

    console.log('\n🎉 All icons generated successfully!');
  } catch (error) {
    console.error('Error generating icons:', error);
    process.exit(1);
  }
}

generateIcons();