var express = require('express');
var router = express.Router();
var passport = require('passport');
require('../config/passport');

router.get('/', function(req,res){
    res.render('home/welcome');
});

router.get('/about', function(req,res){
    res.render('home/about');
});

//Login
router.get('/login', function(req,res){
    var username = req.flash('username')[0];
    var errors = req.flash('errors')[0] || {};
    res.render('home/login',{
        username:username,
        errors:errors
    });
});


//Post login
router.post('/login',
    function(req,res,next){
        var errors = {};
        var isValid = true;

        if(!req.body.username){
            isValid = false;
            errors.username = 'Username is required!';
        }
        if(!req.body.password){
            isValid = false;
            errors.password = 'Password is required!';
        }

        if(isValid){
            next();
        }
        else{
            req.flash('errors',errors);
            res.redirect('/login');
        }
    },
    passport.authenticate('local-login', {
        successRedirect : '/posts',
        failureRedirect : '/login'
    }
));


// Logout
router.get('/logout', function(req,res){
    req.logout();
    res.redirect('/');
});



module.exports = router;