<?php
namespace Da\User\Controller;

use Da\User\Contracts\AuthClientInterface;
use Da\User\Event\FormEvent;
use Da\User\Event\UserEvent;
use Da\User\Form\LoginForm;
use Da\User\Query\SocialNetworkAccountQuery;
use Da\User\Service\SocialNetworkAccountConnectService;
use Da\User\Service\SocialNetworkAuthenticateService;
use Da\User\Traits\ContainerTrait;
use yii\authclient\AuthAction;
use yii\authclient\ClientInterface;
use yii\base\Module;
use yii\filters\AccessControl;
use yii\filters\VerbFilter;
use yii\helpers\Url;
use yii\web\Controller;
use Yii;

class SecurityController extends Controller
{
    use ContainerTrait;

    protected $socialNetworkAccountQuery;

    /**
     * SecurityController constructor.
     *
     * @param string $id
     * @param Module $module
     * @param SocialNetworkAccountQuery $socialNetworkAccountQuery
     * @param array $config
     */
    public function __construct(
        $id,
        Module $module,
        SocialNetworkAccountQuery $socialNetworkAccountQuery,
        array $config = []
    ) {
        $this->socialNetworkAccountQuery = $socialNetworkAccountQuery;
        parent::__construct($id, $module, $config);
    }

    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'allow' => true,
                        'actions' => ['login', 'auth', 'blocked'],
                        'roles' => ['?']
                    ],
                    [
                        'allow' => true,
                        'actions' => ['login', 'auth', 'logout'],
                        'roles' => ['@']
                    ],
                ],
            ],
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'logout' => ['post'],
                ],
            ],
        ];
    }

    /**
     * @inheritdoc
     */
    public function actions()
    {
        return [
            'auth' => [
                'class' => AuthAction::className(),
                // if user is not logged in, will try to log him in, otherwise
                // will try to connect social account to user.
                'successCallback' => Yii::$app->user->isGuest
                    ? [$this, 'authenticate']
                    : [$this, 'connect'],
            ],
        ];
    }

    public function actionLogin()
    {
        if (!Yii::$app->user->getIsGuest()) {
            return $this->goHome();
        }
        /** @var LoginForm $form */
        $form = $this->make(LoginForm::class);
        /** @var FormEvent $event */
        $event = $this->make(FormEvent::class, [$form]);

        if ($form->load(Yii::$app->request->post())) {
            $this->trigger(FormEvent::EVENT_BEFORE_LOGIN, $event);
            if ($form->login()) {
                $this->trigger(FormEvent::EVENT_AFTER_LOGIN, $event);

                return $this->goBack();
            }
        }

        return $this->render(
            'login',
            [
                'model' => $form,
                'module' => $this->module,
            ]
        );
    }

    public function actionLogout()
    {
        $event = $this->make(UserEvent::class, [Yii::$app->getUser()->getIdentity()]);

        $this->trigger(UserEvent::EVENT_BEFORE_LOGOUT, $event);

        if (Yii::$app->getUser()->logout()) {
            $this->trigger(UserEvent::EVENT_AFTER_LOGOUT, $event);
        }

        return $this->goHome();
    }

    public function authenticate(AuthClientInterface $client)
    {
        $this->make(SocialNetworkAuthenticateService::class, [$this, $this->action, $client])->run();
    }

    public function connect(AuthClientInterface $client)
    {
        if (Yii::$app->user->isGuest) {
            Yii::$app->session->setFlash('danger', Yii::t('user', 'Something went wrong'));

            return;
        }

        $this->make(SocialNetworkAccountConnectService::class, [$this, $client])->run();
    }
}