import { serve } from "https://deno.land/std@0.185.0/http/server.ts";

import init, {render, JsResponse} from "./pkg/deno_wasm.js";

const handler = async (request: Request): Promise<Response> => {

   await init();

   let url = new URL(request.url);



   if (url.pathname === '/pkg/deno_wasm.js') {
       const file = await Deno.open("./pkg/deno_wasm.js", {read: true});
       const readableStream = file.readable;
       const response = new Response(readableStream, {
           headers: {
               'content-type': 'text/javascript'
           }
       });

       return response;

   }

   if (url.pathname === '/pkg/deno_wasm_bg.wasm') {
       const file = await Deno.open("./pkg/deno_wasm_bg.wasm", {read: true});
       const readableStream = file.readable;
       const response = new Response(readableStream, {
           headers: {
               'content-type': 'application/wasm'
           }
       });

       return response;


   }

   if (url.pathname === '/favicon.ico') {
       return new Response (null, {
           status: 404
       });

   }
   else {
    try {
        const response = await render(request);
        let body_response = response.get().body_response;

        
        return new Response(body_response.body, {
            status: body_response.status_code,
            headers: {
                "content-type": body_response.content_type
            }
        });


       } catch (e) {
           const body = `ERROR: ${e}`
           return new Response(body, {
               status: 500,
               headers: {
                    "content-type": "text/html; charset=utf-8"
               }
           });
       }
   }
}

serve(handler, {port: 3000, host: "192.168.100.29"});