<?php
namespace App\Controller;

use App\Controller\AppController;
use Cake\Event\Event;
use Cake\Mailer\Email;
use Cake\ORM\TableRegistry;
use Cake\Auth\DefaultPasswordHasher;

/**
 * Users Controller
 *
 * @property \App\Model\Table\UsersTable $Users
 */
class UsersController extends AppController
{

    public function beforeFilter(Event $event)
    {
        parent::beforeFilter($event);
        $this->Auth->allow(['add', 'activate']);
    }

    public function login()
    {
        if ($this->request->is('post')) {
            $user = $this->Auth->identify();
            if ($user) {
                if($user['active']){
                    $this->Auth->setUser($user);
                    return $this->redirect($this->Auth->redirectUrl());
                }else{
                    $this->Flash->error(__('Usuario no activo. Verifique su correo electrónico por favor.'));
                }
            }else{
                $this->Flash->error(__('Correo electrónico o contraseña incorrectas'));
            }
        }
    }

    public function logout()
    {
        $this->request->session()->destroy();
        return $this->redirect($this->Auth->logout());
    }

    /**
     * Add method
     *
     * @return \Cake\Network\Response|void Redirects on successful add, renders view otherwise.
     */
    public function add()
    {
        $user = $this->Users->newEntity();
        if ($this->request->is('post')) {

            $this->request->data['active'] = false;
            $this->request->data['new'] = true;
            $this->request->data['token'] = sha1(md5($this->request->data['email']));
            $this->request->data['refer'] = 0;

            $user = $this->Users->patchEntity($user, $this->request->data);
            if ($lastId = $this->Users->save($user)) {
                $this->Flash->success(__('Tu registro fue un éxito. Te enviamos un correo electrónico para que termines de validar tu cuenta.'));

                $token = $lastId->id . '.' . $this->request->data['token'];
                $name = $this->request->data['name'];
                $email = $this->request->data['email'];

                $this->sendWelcomeMail($email, $name, $token);

                return $this->redirect(['controller'=>'users', 'action' => 'login']);
            } else {
                $this->Flash->error(__('Ocurrió un error en el registro. Verifica todos los campos.'));
            }
        }
        $this->set(compact('user'));
        $this->set('_serialize', ['user']);
    }

    public function activate(){

        $name = $this->request->query['n'];
        $tokenid = $this->request->query['t'];
        $pos = strpos($tokenid, '.');
        $id = substr($tokenid, 0, $pos);
        $token = substr($tokenid,$pos+1);

        $this->set('name', $name);

        $usersTable = TableRegistry::get('Users');
        $user = $usersTable->get($id); // return id from user to activate

        if ($token != $user->token){
            $this->Flash->error(__('Los campos de verificación no son correctos. No se puede validar correo electrónico.'));
            return $this->redirect(['controller'=>'pages', 'action' => 'home']);
        }else{
            $user->active = true;
            $usersTable->save($user);
            $this->Flash->success(__('Correo electrónico validado. Ahora inicia sesión para viajar con nosotros.'));
        }

    }

    /**
     * Edit method
     *
     * @param string|null $id User id.
     * @return \Cake\Network\Response|void Redirects on successful edit, renders view otherwise.
     * @throws \Cake\Network\Exception\NotFoundException When record not found.
     */
    public function edit()
    {
        $id = $this->Auth->user('id');

        $user = $this->Users->get($id, [
            'contain' => []
        ]);
        if ($this->request->is(['patch', 'post', 'put'])) {
            $user = $this->Users->patchEntity($user, $this->request->data);
            if ($this->Users->save($user)) {
                $this->Flash->success(__('Tu perfil fué guardado correctamente.'));
                return $this->redirect(['action' => 'edit']);
            } else {
                $this->Flash->error(__('Ocurrió un error.'));
            }
        }
        $this->set(compact('user'));
        $this->set('_serialize', ['user']);
    }

    public function changepassword(){
        if ($this->request->is('post')){

            $newpassword = $this->request->data['newpassword'];
            $rnewpassword = $this->request->data['rnewpassword'];

            if($newpassword != $rnewpassword){
                $this->Flash->error(__('Las contraseñas no coinciden.'));
            }else{

                $usersTable = TableRegistry::get('Users');
                $user = $usersTable->get($this->Auth->user('id'));
                $user->password = $newpassword;
                $usersTable->save($user);
                $this->Flash->success(__('Contraseña cambiada correctamente.'));
                return $this->redirect(['action' => 'edit']);
            }
        }
    }

    public function sendWelcomeMail($email, $name, $token){
        $Email = new Email();
        $Email->viewVars(['name' => $name, 'token' => $token]);
        $Email->template('welcome', 'base')
            ->emailFormat('html')
            ->to($email)
            ->from('registro@zmconexiones.com')
            ->subject('Bievenido a ZMConexiones ' . $name)
            ->send();
    }
}