var Helper = require('../Helpers/Helper');
var User = require('../Models/User');
var jwt    = require('jsonwebtoken'); // used to create, sign, and verify tokens


exports.registerUser = function (req , res ) {

    var email = req.body.email;
    var password = Helper.saltHashPassword(req.body.password);
    var age = req.body.age;
    var bio = req.body.bio;
    var bodyType = req.body.bodyType;
    var dob = Helper.stringToDate(req.body.dob,"yyyy-mm-dd")

    User.create({email : email , passwordHash : password.passwordHash , passwordSalt : password.salt , age : age , bio : bio , bodyType : bodyType ,dob : dob} , function(err , safeUser){
        if (err){
            console.log(err.description);
            return ;
        }
        res.setHeader('Content-Type', 'application/json');
        res.send(JSON.stringify(safeUser));
    })

}

exports.userProfile = function (req,res, next) {

    if (req.headers && req.headers.authorization && req.headers.authorization.split(' ')[0] == 'jwt'){

        User.findOne({ accessToken : req.headers.authorization.split(' ')[1] }  , function (err, user) {
            res.setHeader('Content-Type', 'application/json');
            if (user != null){
                return res.send(JSON.stringify(user))
            }else{
                return res.json(JSON.stringify({"success" : "0" , "message" : "Invalid access token"}));
            }

        });
    }else{
        return res.json(JSON.stringify({"success" : "0" , "message" : "Invalid access token"}));
    }


}


exports.loginUser = function (req, res, next){
  //  var password = Helper.saltHashPassword(req.body.password);
    console.log(typeof(req.body.email) );
    var token = jwt.sign({ email: req.body.email}, 'RESTFULAPIs') ;
    var user = User.findOne({"email" : req.body.email} ,function (err , user) {
        if (user == null){
            return res.send({success : 0 , message : "Invalid email password" });
        }
        user.accessToken = token;
        User.findOneAndUpdate({ email: req.body.email} , { $set : {email : token}} , {new : true} );
        return res.send(user);
    });

}


exports.addAddress = function (req,res ,next) {



}


exports.loginRequired = function(req, res, next) {

    if (req.headers && req.headers.authorization && req.headers.authorization.split(' ')[0] == 'jwt'){
        jwt.verify(req.headers.authorization.split(' ')[1] , 'RESTFULAPIs',function(err , decode){

            if (err){
                return res.status(401).json({ message: 'Unauthorized user!' });
            }
            if (decode) {
                next();
            } else {
                return res.status(401).json({ message: 'Unauthorized user!' });
            }
        });

    }else{
        return res.status(401).json({ message: 'Unauthorized user req!' });
    }


};