export const feedMessage = functions.https.onRequest((request, response) => {
    console.log('hitting entrypoint directly!');
        fetchFeedMessageForLine("http://www.google.com",function(resp){
            response.send(resp)
        });
});

//internal method used to fetch Schedule info from MTA
function fetchFeedMessageForLine(url:string,callback: (data:any) => void){


    console.log('requesting: '+url);

    http.get(url, (resp:http.IncomingMessage) => {
        let data = Buffer.concat([])

        // A chunk of data has been recieved.
        resp.on('data', (chunk:Buffer) => {
            data = Buffer.concat([data,chunk])
            console.log("ondata chunking in callback!!: "+data);

        });

        // The whole response has been received. Print out the result.
        resp.on('end', () => {
            console.log('oh look a response!!'+ data);
            callback(data);
            if (resp.statusCode === 200){
                console.log("code: "+resp.statusCode + " got feedmessage for line: "+url)
            } else {
                console.error("ERROR code: "+resp.statusCode + " got feedmessage for line: "+url)
            }
        });

    }).on("error", (err) => {
      console.log("Error: " + err.message);
    });
}