#!/usr/bin/env node

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

// Image list from README
const images = [
  // Shoes
  'street-runner.jpg',
  'trail-edge.jpg',
  'urban-sprint.jpg',
  'classic-comfort.jpg',
  // Bags
  'urban-tote.jpg',
  'backpack-pro.jpg',
  'crossbody.jpg',
  'duffle.jpg',
  // Accessories
  'classic-cap.jpg',
  'silk-scarf.jpg',
  'leather-belt.jpg',
  'watch-straps.jpg',
  // Clothing
  'cotton-tshirt.jpg',
  'denim-jacket.jpg',
  'yoga-leggings.jpg',
  // Electronics
  'earbuds.jpg',
  'usb-hub.jpg',
];

const imagesDir = path.join(__dirname, '..', 'images');
const uploadsDir = path.join(imagesDir, 'uploads');

// Create directories if they don't exist
if (!fs.existsSync(imagesDir)) {
  fs.mkdirSync(imagesDir, { recursive: true });
  console.log(`Created ${imagesDir}`);
}

if (!fs.existsSync(uploadsDir)) {
  fs.mkdirSync(uploadsDir, { recursive: true });
  console.log(`Created ${uploadsDir}`);
}

// Create simple JPEG placeholder images (minimal valid JPEG structure)
// This is a minimal JPEG structure that works with image viewers
const createPlaceholderJPEG = (filename, width, height) => {
  // Minimal JPEG header and footer
  const jpegHeader = Buffer.from([
    0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46,
    0x49, 0x46, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01,
    0x00, 0x01, 0x00, 0x00, 0xFF, 0xDB, 0x00, 0x43,
    0x00, 0x08, 0x06, 0x06, 0x07, 0x06, 0x05, 0x08,
    0x07, 0x07, 0x07, 0x09, 0x09, 0x08, 0x0A, 0x0C,
    0x14, 0x0D, 0x0C, 0x0B, 0x0B, 0x0C, 0x19, 0x12,
    0x13, 0x0F, 0x14, 0x1D, 0x1A, 0x1F, 0x1E, 0x1D,
    0x1A, 0x1C, 0x1C, 0x20, 0x24, 0x2E, 0x27, 0x20,
    0x22, 0x2C, 0x23, 0x1C, 0x1C, 0x28, 0x37, 0x29,
    0x2C, 0x30, 0x31, 0x34, 0x34, 0x34, 0x1F, 0x27,
    0x39, 0x3D, 0x38, 0x32, 0x3C, 0x2E, 0x33, 0x34,
    0x32, 0xFF, 0xC0, 0x00, 0x0B, 0x08, 0x00, height,
    0x00, width, 0x01, 0x01, 0x11, 0x00, 0xFF, 0xC4,
    0x00, 0x1F, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01,
    0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
    0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0xFF,
    0xC4, 0x00, 0xB5, 0x10, 0x00, 0x02, 0x01, 0x03,
    0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04,
    0x00, 0x00, 0x01, 0x7D, 0x01, 0x02, 0x03, 0x00,
    0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06,
    0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32,
    0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1,
    0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72,
    0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A,
    0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35,
    0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45,
    0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55,
    0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65,
    0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75,
    0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85,
    0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94,
    0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3,
    0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2,
    0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA,
    0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9,
    0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8,
    0xD9, 0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
    0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4,
    0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xDA,
    0x00, 0x08, 0x01, 0x01, 0x00, 0x00, 0x3F, 0x00,
    0xFB, 0xD0, 0xFF, 0xD9,
  ]);

  return jpegHeader;
};

let created = 0;
images.forEach((filename) => {
  const filepath = path.join(imagesDir, filename);
  if (!fs.existsSync(filepath)) {
    const jpegData = createPlaceholderJPEG(filename, 400, 300);
    fs.writeFileSync(filepath, jpegData);
    console.log(`✓ Created ${filename}`);
    created++;
  } else {
    console.log(`✓ Already exists: ${filename}`);
  }
});

console.log(`\n${created} placeholder images generated successfully!`);
console.log(`Images directory: ${imagesDir}`);