var bcrypt = require('bcrypt');

load('application');

before(loadUser, {only: ['show', 'edit', 'update', 'destroy']});
before(loadGroups, {only: ['new', 'edit']});

action('new', function () {
    this.title = 'New user';
    this.user = new User;
    render();
});

action(function create() {
    var user = {};
    user = req.body.User;

    //create temporary password
    //hash password
    var salt = bcrypt.genSaltSync(10);
    user.password = bcrypt.hashSync('password', salt);

    //create token
    var tokensalt = bcrypt.genSaltSync(10);
    user.token = bcrypt.hashSync(req.body.User['email'], tokensalt);

    User.create(user, function (err, user) {
        if (err) {
            flash('error', 'User can not be created');
            render('new', {
                user: user,
                title: 'New user'
            });
        } else {
            flash('info', 'User created');
            redirect(path_to.users());
        }
    });
});

action(function index() {
    var query = {};
    if (session.passport.user.role == 'participant') {
        query = {user: session.passport.user.id};
    } else if (session.passport.user.role == 'group') {
        query = {group: session.passport.user.group};
    }
    this.title = 'Users index';
    User.find(query, function (err, users) {
        render({
            users: users
        });
    });
});

action(function show() {
    this.title = 'User show';
    render();
});

action(function edit() {
    this.title = 'User edit';
    render();
});

action(function update() {
    var user = body.User

    //hash password
    var salt = bcrypt.genSaltSync(10);
    user.password = bcrypt.hashSync(user.password, salt);

    //find doc by id
    User.findOne({_id: user._id}, function (err, doc) {
        if (!err) {
            //update doc with user input
            for(var key in user) {
                if (user.hasOwnProperty(key)) {
                    doc[key] = user[key];
                }
            }
            //save updates
            doc.save(function (err) {
                if (!err) {
                    flash('info', 'Update successful.');
                    redirect('/users/' + user._id);
                }
            });
        } else {
            flash('error', 'Update failed.');
            this.title = 'Edit details';
            render('edit');
        }
    }.bind(this));
});

action(function destroy() {
    User.findOne({_id: this.user._id}, function (err, doc) {
        if (err) {
            flash('error', 'Can not destroy user');
        } else {
            doc.remove();
            flash('info', 'User successfully removed');
        }
        send("'" + path_to.users() + "'");
    });
});

function loadUser() {
    User.findOne({_id: params.id}, function (err, user) {
        if (err) {
            redirect(path_to.users());
        } else {
            this.user = user;
            next();
        }
    }.bind(this));
}

function loadGroups() {
    Group.find({}, function (err, groups){
        this.groups = groups;
        next();
    }.bind(this));
}