'use strict';

var mongoose = require('mongoose');
var bcrypt   = require('bcrypt-nodejs');
var Schema = mongoose.Schema;

var userSchema  = new Schema({

local : {
    email   : String,
    password: String
},
facebook         : {
    id           : String,
    token        : String,
    email        : String,
    name         : String
},
twitter          : {
    id           : String,
    token        : String,
    displayName  : String,
    username     : String
},
google           : {
    id           : String,
    token        : String,
    email        : String,
    name         : String
}
});


// methods ======================
// generating a hash
userSchema.methods.generateHash = function(password) {
   return bcrypt.hashSync(password, bcrypt.genSaltSync(8), null);
};

// checking if password is valid
userSchema.methods.validPassword = function(password) {
return bcrypt.compareSync(password, this.local.password);
};

module.exports = mongoose.model('User', userSchema);

passport.use('local-login', new LocalStrategy({

    usernameField : 'email',
    passwordField : 'password',
    passReqToCallback : true
    },
    function(req, email, password, done) {


        User.findOne({ 'local.email' :  email }, function(err, user) {
            else
            if (err)
                return done(err);

            // if no user is found, return the message
            if (!user)
                return done(null, false, req.flash('loginMessage', 'No        user found.'));

            // if the user is found but the password is wrong
            if (!user.validPassword(password))
                return done(null, false, req.flash('loginMessage', 'Oops! Wrong password.')); // create the loginMessage and save it to session as flashdata

            // all is well, return successful user
            return done(null, user);
        });

    }));


////////////////////////
passport.use('local-signup', new LocalStrategy({

        usernameField : 'email',
        passwordField : 'password',
        passReqToCallback : true
    },
    function(req, email, password, done) {

        // asynchronous
        // User.findOne wont fire unless data is sent back
        process.nextTick(function() {


            User.findOne({ 'local.email' :  email }, function(err, user){
                // if there are any errors, return the error
                if (err)
                    return done(err);

                // check to see if theres already a user with that email
                if (user) {
                    return done(null, false, req.flash('signupMessage',     'That email is already taken.'));
                } else {

                    // if there is no user with that email
                    // create the user
                    var newUser            = new User();

                    // set the user's local credentials
                    newUser.local.email    = email;
                    newUser.local.password =password;//newUser.generateHash(password);

                    // save the user
                    newUser.save(function(err) {
                        if (err)
                            throw err;
                        return done(null, newUser);
                    });
                }

            });

        });

    }));