export default {
  async fetch(request) {
    try {
      const targetOrigin = "https://example.com";

      // Build new URL
      const url = new URL(request.url);
      url.hostname = "example.com";
      url.protocol = "https:";

      const finalUrl = url.toString();

      // Forward headers safely
      const newHeaders = new Headers(request.headers);
      newHeaders.delete("host");
      newHeaders.delete("cf-connecting-ip");
      newHeaders.delete("cf-ipcountry");
      newHeaders.delete("cf-ray");
      newHeaders.delete("cf-worker");

      // Forward request
      const response = await fetch(finalUrl, {
        method: request.method,
        headers: newHeaders,
        body: request.method !== "GET" && request.method !== "HEAD" ? request.body : null,
        redirect: "follow"
      });

      // Copy response headers
      const resHeaders = new Headers(response.headers);

      return new Response(response.body, {
        status: response.status,
        headers: resHeaders
      });

    } catch (err) {
      return new Response(`Proxy error: ${err.message}`, { status: 502 });
    }
  }
};