/**
 * Cloudflare Worker - Proxy Bypass for Larooza Scraper
 * Deploy this to Cloudflare Workers (100% FREE)
 * 
 * This worker acts as a middle-man to bypass IP bans
 */

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
})

async function handleRequest(request) {
  // Enable CORS
  const corsHeaders = {
    'Access-Control-Allow-Origin': '*',
    'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
    'Access-Control-Allow-Headers': 'Content-Type',
  }

  // Handle CORS preflight
  if (request.method === 'OPTIONS') {
    return new Response(null, { headers: corsHeaders })
  }

  // Get target URL from query parameter
  const url = new URL(request.url)
  const targetUrl = url.searchParams.get('url')

  if (!targetUrl) {
    return new Response(JSON.stringify({ error: 'Missing url parameter' }), {
      status: 400,
      headers: { ...corsHeaders, 'Content-Type': 'application/json' }
    })
  }

  try {
    // Fetch the target URL with realistic headers
    const response = await fetch(targetUrl, {
      headers: {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
        'Accept-Language': 'ar,en-US;q=0.9,en;q=0.8',
        'Referer': 'https://www.google.com/',
        'DNT': '1',
        'Connection': 'keep-alive',
        'Upgrade-Insecure-Requests': '1',
      },
      cf: {
        // Cloudflare-specific options
        cacheTtl: 300, // Cache for 5 minutes
        cacheEverything: true,
      }
    })

    // Get the HTML content
    const html = await response.text()

    // Return with CORS headers
    return new Response(html, {
      status: response.status,
      headers: {
        ...corsHeaders,
        'Content-Type': 'text/html; charset=utf-8',
        'Cache-Control': 'public, max-age=300',
      }
    })

  } catch (error) {
    return new Response(JSON.stringify({ 
      error: 'Failed to fetch target URL',
      message: error.message 
    }), {
      status: 500,
      headers: { ...corsHeaders, 'Content-Type': 'application/json' }
    })
  }
}