var router = require('express').Router(),
    mongoose = require('mongoose'),
    User = mongoose.model('User');
const passport = require('passport'),
    auth = require('../auth');

router.get('/user', auth.required, function (req, res, next) {
    User.findById(req.payload.id).then(function (user) {
        if (!user) {
            return res.status(401).json({ errors: { "Unauthorized": "autentification requise" } });
        }
        return res.json({ user: user.toAuthJSON() });
    }).catch(next);
});

router.put('/user', auth.required, function (req, res, next) {
    User.findById(req.payload.id).then(function (user) {
        if (!user) {
            return res.status(401).json({ errors: { "Unauthorized": "autentification requise" } });
        }
        if (typeof req.body.user.username !== 'undefined') {
            user.username = req.body.user.username;
        }
        if (typeof req.body.user.email !== 'undefined') {
            user.email = req.body.user.email;
        }
        if (typeof req.body.user.firstname !== 'undefined') {
            user.firstname = req.body.user.firstname;
        }
        if (typeof req.body.user.lastname !== 'undefined') {
            user.lastname = req.body.user.lastname;
        }
        if (typeof req.body.user.phone !== 'undefined') {
            user.phone = req.body.user.phone;
        }
        if (typeof req.body.user.licence !== 'undefined') {
            user.licence = req.body.user.licence;
        }
        if (typeof req.body.user.poids !== 'undefined') {
            user.poids = req.body.user.poids;
        }
        if (typeof req.body.user.image !== 'undefined') {
            user.image = req.body.user.image;
        }
        if (typeof req.body.user.bg_image !== 'undefined') {
            user.bg_image = req.body.user.bg_image;
        }
        if (typeof req.body.user.password !== 'undefined') {
            user.setPassword(req.body.user.password);
        }
        if (typeof req.body.user.role !== 'undefined') {
            user.role = req.body.user.role;
        }

        return user.save().then(function () {
            return res.json({ user: user.toAuthJSON() });
        });
    }).catch(next);
});

router.post('/users/login', function (req, res, next) {
    if (!req.body.user.email) {
        return res.status(422).json({ errors: { email: "can't be blank" } });
    }
    if (!req.body.user.password) {
        return res.status(422).json({ errors: { password: "can't be blank" } });
    }
    passport.authenticate('local', { session: false }, function (err, user, info) {
        if (err) {
            return next(err);
        }
        if (user) {
            user.token = user.generateJWT();
            return res.json({ user: user.toAuthJSON() });
        } else {
            return res.status(422).json(info);
        }
    })(req, res, next);
});

router.get('/authenticate', function (req, res, next) {
    passport.authenticate('headerapikey', { session: false }, function (err, application, info) {
        if (err) {
            return res.status(err.status || 500).json({message: "An authentication error occured.", err: err.message});
            //return next(err);
        }
        if (!application) {
            return res.status(401).json({message: "Unauthorized - You are not allowed to access this resource.", err: err, info: info});
        }
        if (application.author) {
            application.author.token = application.author.generateJWT();
            return res.json({ user: application.author.toAuthJSON(), application: application.toAuthJSON() });
        } else {
            return res.status(422).json(info);
        }
    })(req, res, next);
});
router.post('/users', function (req, res, next) {
    let user = new User();
    if (typeof req.body.user.username !== 'undefined') {
        user.username = req.body.user.username;
    } else {
        user.username = `${req.body.user.firstname}_${req.body.user.lastname}`;
    }
    user.email = req.body.user.email;
    user.firstname = req.body.user.firstname;
    user.lastname = req.body.user.lastname;
    user.phone = req.body.user.phone;
    if (typeof req.body.user.licence !== 'undefined') {
        user.licence = req.body.user.licence;
    }
    if (typeof req.body.user.poids !== 'undefined') {
        user.poids = req.body.user.poids;
    }
    user.setPassword(req.body.user.password);
    user.role = 'User';

    user.save().then(function () {
        return res.json({ user: user.toAuthJSON() });
    }).catch(next);
});

module.exports = router;