var express = require('express');
var router = express.Router();
var exphbs = require('express-handlebars');
var passport =  require('passport');
var LocalStrategy = require('passport-local').Strategy;
var cand = require('../models/cand');
// var jobs = require('jobs');
var mongoose = require('mongoose');
var upload = require('express-fileupload');


// Register
router.get('/candidate-register' , function(req,res){
    res.render('candidate-register');

});

// login
router.get('/candidate-login' , function(req,res){
    res.render('candidate-login');

});

//add jobs
// router.get('/addjob' , function(req,res){
//     res.render('addjob');
// });


// Register
router.post('/candidate-register' , function(req,res){

   var fname = req.body.fname;
   var lname = req.body.lname;
   var email = req.body.email;
   var phnno = req.body.phnno;
   var password = req.body.password;
   var password2 = req.body.password2;
   var username = req.body.username;

   if(req.files){
    console.log(req.files);
    var file = req.files.filename;
                filename= file.name;
                file.mv("./uploads/" + filename , function(err){
                    if(err){
                        req.flash('error' , " error while uploading resume");

                        if( file.mimetype != 'application/pdf') { req.flash('error', "file must be a pdf"); }

                    }

                })

}


   //validations
    req.checkBody('fname' , 'first name is required').notEmpty();
    req.checkBody('lname' , 'last name is required').notEmpty();
    req.checkBody('email' , 'email is not valid').isEmail();
    req.checkBody('phnno' , 'phnno is required').isMobilePhone();
    req.checkBody('password' , 'password is required').notEmpty();
    req.checkBody('password2' , 'passwords do not match').equals(req.body.password);
    req.checkBody('username' , 'username name is required').notEmpty();


    var errors = req.validationErrors();
    if(errors && errors.length > 0)
    {
        return res.render('company-register' ,{
            errors:errors
        });
        // console.log('yes...');
    }
    else{
        var newcand = new cand({
            _id: new mongoose.Types.ObjectId(),
            fname: fname,
            lname: lname,
            email: email,
            phnno: phnno,
            password: password,
            username: username
        });



        cand.createUser(newcand, function(err, cand){
            if(err && err.code == 11000 || err && err.name == 'MongoError')
            {
                // console.log(err, err.name, err.message, err.code);
                // res.render('company-register' ,{
                //     errors:errors
                // });
                console.log("GOt Error");
                req.flash("error", "email already registered");
                res.redirect('/users/company-register');
                return ;
            }
            console.log(cand);
            req.flash('success_msg' , 'you are registered and can now login');
            res.redirect('/users/company-login');
        });

    }


//    console.log(fname);
});



// router.post('/addjob' , function(req,res){

//     var company = req.body.company;
//     var job = req.body.job;
//     var details = req.body.details;


    //validations
    //  req.checkBody('company' , 'company name is required').notEmpty();
    //  req.checkBody('job' , 'post name  is required').notEmpty();
    //  req.checkBody('details' , 'details are required').notEmpty();


    //  var errors = req.validationErrors();
    //  if(errors)
    //  {
    //      res.render('addjob' ,{
    //          errors:errors
    //      });
    //      // console.log('yes...');
    //  }
    //  else{
    //      var newJob = new Jobs({
    //          _id: new mongoose.Types.ObjectId(),
    //          company:company,
    //          job:job,
    //          details:details
    //      });
    //      newJob.save(function(err){
    //          if(err) throw err;
    //          console.log(newJob);
        //  });
        //  req.flash('success_msg' , 'job added!! ');
        //     res.redirect('/users/addjob');
        // }


        //  newJob.save(function(err) {
        //     if (err) throw err;
        //     console.log('Jobs');


//  });
//  router.get('/' , function(req,res){
//   Jobs.find({})
//     .exec(function(err , job){
//         if (err) throw err;
//         else{
//             res.json(job);
//         }
//     })

//  });







// var applybtn = document.querySelector('#applybtn');
// applybtn.addEventListener('click',  function(){

// router.post( function(req,res){
//     var company = apple;
//     var newUser = new User({
//         _id: new mongoose.Types.ObjectId(),
//        company:company
//     });

// });
// //job application
// router.post( function(req,res){
//     var company = apple;


// });



//declare this strategy as local-cand instead of local
passport.use('local-cand', new LocalStrategy(
    function(username, password, done) {
     cand.getUserByEmail(username , function(err , usr){
         if(err) throw err;
         if(!usr){
             return done(null , false , {message: 'Unknown User'});
         }
         cand.comparePassword(password , usr.password , function(err , isMatch){
             if(err) throw err;
             if(isMatch){
                 return done(null , usr);
             }
             else{
                 return done(null ,false , {message: 'INVALID PASSWORD!!'});
             }
         });
     });
     }));


    //  passport.serializeUser(function(cand, done) {
    //     done(null, cand.id);
    //   });

    //   passport.deserializeUser(function(id, done) {
    //     User.getUserById(id, function(err, cand) {
    //       done(err, cand);
    //     });
    //   });

router.post('/candidate-login',
  passport.authenticate('local-cand', {successRedirect:'/', failureRedirect:'/users/candidate-login', failureFlash: true}),

  function(req, res) {
    // If this function gets called, authentication was successful.
    // `req.user` contains the authenticated user.
    req.session.userType = 'cand';
    res.redirect('/');
  });

  router.get('/logout' , function(req , res){
    req.logout();
    req.flash('success_msg' , 'you are logged out');

    res.redirect('/users/candidate-login');
  });

module.exports = router