var http = require('http');
var XelkReq = require('/homes/paul/HTML/CS316/P3_Req.js');


function serveFile() {

}

function serveCGI() {

}

function pullandsendFile() {

}

function pullandsendOutput() {

}

function getURL(req, res) {
    console.log("inside geturl");
    console.log(req.url);
    var localF = "LOCALFILE";
    var remoteF = "REMOTEFILE";
    var localE = "LOCALEXEC";
    var remoteE = "REMOTEEXEC";
    var validExtArray = XelkReq.extAllowed();
    var validExtensions;
    for (var i = 0; i < validExtArray; i++){
    	validExtensions = validExtensions + "\." + validExtArray[i][0];
    	if (i < validExtArray.length - 1){
    		validExtensions = validExtensions + "|";
    	}
    }
    var urlRegEx = new RegExp("^\/[a-zA-Z0-9\.]+$");
    var regExLocalF = new RegExp("\\/" + localF + "\\/[a-zA-Z0-9~\\/]+" + validExtensions);
    var regExRemoteF = new RegExp("\\/" + remoteF + urlRegEx + "\\/[a-zA-Z0-9~\\/]" + validExtensions);
    var regExLocalE = new RegExp("\\/" + localE + "[a-zA-Z0-9\\/]+\.cgi");
    var regExRemoteE = new RegExp("\\/" + remoteE + urlRegEx + "[a-zA-Z0-9\\/]+\.cgi");
    var finalRegEx = new RegExp(regExLocalF + "|" + regExRemoteF + "|" + regExLocalE + "|" + regExRemoteE);



    // default response
    var response = "not good\n";
    // response if request valid
    if(urlRegEx.test(req.url)){
        console.log("smd");
        response = "this is good\n";
    }
    //actual response
    res.writeHead(200, {"Context-Type": "text/plain"});
    res.write(response);
    res.end();
}



console.log("hello");

const server = http.createServer(getURL).listen(8080);
console.log("hellopart2");