import curlResponse from "../src/curl-response.ts";

interface PagesContext {
    request: Request;
    next(): Promise<Response>;
}

export function onRequest(context: PagesContext): Response | Promise<Response> {
    const { request } = context;
    const userAgent = request.headers.get("user-agent") ?? "";
    const pathname = new URL(request.url).pathname;

    if (
        request.method === "GET" &&
        pathname === "/" &&
        /^curl(?:\/|$)/i.test(userAgent)
    ) {
        return curlResponse();
    }

    return context.next();
}