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.

// 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
  }


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

       for(var i in jas)
       { var x = temp.email

          if( x == jas[i].email  ){
              console.log("done two");
              console.log(temp.email);


              flag = 1 ;


          }
        }


});


        if (flag == 0 ) {

          res.redirect('/interface');




       }



 })
app.get('/interface',function(req,res){
  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 );
 var x = user.email;
       for(var i in jas)
       {

          if(  jas[i].email == x){  ////////////////// heeeeeeeeeeeeeeeeereeeeeeeee
              console.log("done one");
              console.log("3aaaaaaaaaaaaaaa");
              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)
})