var express = require('express');
var app = express();
var fs = require("fs");
var user_counter =0;



app.use(express.static(__dirname));

app.get('/toDoList', function (req, res) {
// First read existing users.
res.sendFile("/final.html",{root:__dirname});
// user = {
//     "user":{
//        name:req.query.name3,
//        email:req.query.email3,
//        password:req.query.password3,
//        html:"interface.html"
//      }
temp = {

  "temp" : {

    email:req.query.email4,
    password:req.query.password4
  }


   };
  var jas={};var  flag = 0;
fs.readFile( __dirname + "/" + "users.json", 'utf8', function (err, temp) {
       jas = JSON.parse( data );

       for(var i in jas)
       {

          if( temp.email == jas[i].email  ){
              // console.log("done");
              console.log(jas[i]);
              res.sendFile( __dirname + "/" + "final.html");

              flag = 1 ;


          }
        }


});


        if (flag == 0 ) {

           res.sendFile( __dirname + "/" + "interface.html");





       }
 })





app.get('/addUser', function (req, res) {
// First read existing users.
res.sendFile("/interface.html",{root:__dirname});
user = {
    "user":{
       name:req.query.name3,
       email:req.query.email3,
       password:req.query.password3,
       html:"interface.html"
     }

   };
  var jas={};var  flag = 0;
fs.readFile( __dirname + "/" + "users.json", 'utf8', function (err, data) {
       jas = JSON.parse( data );

       for(var i in jas)
       {

          if( user.email==jas[i].email ){ // byd7'ol hna 7atta lw msh nafs el email w bytba3 klmet done
              console.log("done");
              console.log(jas[i]);
              flag = 1 ;


          }
        }


});


        if (flag == 0 ) {

             jas["user"+ user_counter]=user;
             // console.log( jas[i] );
             jas = JSON.stringify(jas);
             //fs.appendFile
              fs.writeFile("users.json", jas,'utf8');
              user_counter++;
              res.sendFile( __dirname + "/" + "interface.html");
             // res.end( data );



       }
 })
var server = app.listen(8081, function () {
var host = server.address().address
var port = server.address().port
console.log("Example app listening at http://%s:%s", host, port)
})