<?php
namespace application\modules\social\controllers;

use application\modules\social\components\UserIdentity;
use application\modules\social\models\SocialUser;
use CHttpException;
use EAuthException;
use LoginForm;
use RegistrationForm;
use User;
use Yii;
use yupe\widgets\YFlashMessages;

class UserController extends \yupe\components\controllers\FrontController
{
    protected $service;

    public function actions()
    {
        return [
            'captcha' => [
                'class' => 'yupe\components\actions\YCaptchaAction',
                'backColor' => 0xFFFFFF,
                'testLimit' => 1,
                'minLength' => Yii::app()->getModule('user')->minCaptchaLength,
            ],
        ];
    }

    protected function beforeAction($action)
    {
        $id = Yii::app()->getRequest()->getQuery('service');
        $this->service = Yii::app()->getComponent('eauth')->getIdentity($id);

        return parent::beforeAction($action);
    }

    /**
     * @var $service \IAuthService
     */
    public function actionLogin()
    {
        try {

            if ($this->service->authenticate()) {

                $identity = new UserIdentity($this->service);

                if ($identity->authenticate() && Yii::app()->getUser()->login($identity)) {

                    Yii::app()->getUser()->setFlash(
                        YFlashMessages::SUCCESS_MESSAGE,
                        Yii::t('SocialModule.social', 'You successfully logged in!')
                    );

                    $module = Yii::app()->getModule('user');

                    $redirect = (Yii::app()->getUser()->isSuperUser() && $module->loginAdminSuccess)
                        ? [$module->loginAdminSuccess]
                        : [$module->loginSuccess];

                    Yii::app()->authenticationManager->setBadLoginCount(Yii::app()->getUser(), 0);

                    $this->redirect(Yii::app()->getUser()->getReturnUrl($redirect));
                }

                /* @var $user User */
                if ($this->service->hasAttribute('email') &&
                    ($user = Yii::app()->userManager->findUserByEmail($this->service->email))
                ) {

                    if ($user->status == User::STATUS_NOT_ACTIVE) {
                        Yii::app()->getUser()->setFlash(
                            YFlashMessages::INFO_MESSAGE,
                            Yii::t(
                                'SocialModule.social',
                                'You need to activate your account. Check your email.'
                            )
                        );

                        $this->redirect(['/user/account/login']);
                    }

                    if ($user->status == User::STATUS_BLOCK) {
                        Yii::app()->getUser()->setFlash(
                            YFlashMessages::WARNING_MESSAGE,
                            Yii::t(
                                'SocialModule.social',
                                'You account is blocked.'
                            )
                        );

                        $this->redirect(['/user/account/login']);
                    }

                    if ($user->status == User::STATUS_ACTIVE) {
                        Yii::app()->getUser()->setFlash(
                            YFlashMessages::INFO_MESSAGE,
                            Yii::t(
                                'SocialModule.social',
                                'Account with this email address already exists!  Please, login if you want to join this social network to your account.'
                            )
                        );

                        $this->redirect(['/social/connect', 'service' => $this->service->getServiceName()]);
                    }
                }

                Yii::app()->getUser()->setFlash(
                    YFlashMessages::SUCCESS_MESSAGE,
                    Yii::t(
                        'SocialModule.social',
                        'You\'ve successfully logged in, please complete the registration!'
                    )
                );

                $this->redirect(['/social/register', 'service' => $this->service->getServiceName()]);
            }
            $this->redirect('/login');
        } catch (EAuthException $e) {
            Yii::app()->getUser()->setFlash('error', 'EAuthException: ' . $e->getMessage());
            $this->redirect('/login');
        }
    }

    public function actionRegister()
    {
        $authData = $this->service->getAuthData();

        if (null === $authData || Yii::app()->getUser()->isAuthenticated()) {
            $this->redirect(Yii::app()->getUser()->returnUrl);
        }

        $module = Yii::app()->getModule('user');

        if ($module->registrationDisabled) {
            throw new CHttpException(404, Yii::t('SocialModule.social', 'Page not found!'));
        }

        $form = new RegistrationForm();

        if (isset($authData['email'])) {
            $form->email = $authData['email'];
        }

        $form->disableCaptcha = true;

        if (Yii::app()->getRequest()->getIsPostRequest() && !empty($_POST['RegistrationForm'])) {

            $form->setAttributes(Yii::app()->getRequest()->getPost('RegistrationForm'));

            if (!isset($authData['email']) && Yii::app()->userManager->isUserExist($form->email)) {

                Yii::app()->getUser()->setFlash(
                    YFlashMessages::INFO_MESSAGE,
                    Yii::t(
                        'SocialModule.social',
                        'Account with this email address already exists!  Please, login if you want to join this social network to your account.'
                    )
                );

                $this->redirect(['/social/connect', 'service' => $this->service->getServiceName()]);
            }

            $password = Yii::app()->userManager->hasher->generateRandomPassword();

            $form->setAttributes(
                [
                    'password' => $password,
                    'cPassword' => $password,
                    'verifyCode' => null
                ]
            );

            if ($form->validate()) {
                if ($user = Yii::app()->userManager->createUser($form)) {

                    $social = new SocialUser();
                    $social->user_id = $user->id;
                    $social->provider = $authData['service'];
                    $social->uid = $authData['uid'];
                    if ($social->save()) {
                        Yii::app()->getUser()->setFlash(
                            YFlashMessages::SUCCESS_MESSAGE,
                            Yii::t(
                                'SocialModule.social',
                                'Registration is successful!'
                            )
                        );

                        $this->redirect([$module->registrationSuccess]);
                    }
                }
            }

            $form->addError('', Yii::t('SocialModule.social', 'Error!'));
        }

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

    public function actionConnect()
    {
        if (Yii::app()->getUser()->isAuthenticated()) {
            $this->redirect(Yii::app()->getUser()->returnUrl);
        }

        $authData = $this->service->getAuthData();

        $badLoginCount = Yii::app()->authenticationManager->getBadLoginCount(Yii::app()->getUser());

        $scenario = $badLoginCount > 3 ? 'loginLimit' : '';

        $form = new LoginForm($scenario);

        if (Yii::app()->getRequest()->getIsPostRequest() && !empty($_POST['LoginForm'])) {

            $form->setAttributes(Yii::app()->getRequest()->getPost('LoginForm'));

            if ($form->validate() && Yii::app()->authenticationManager->login(
                    $form,
                    Yii::app()->getUser(),
                    Yii::app()->getRequest()
                )
            ) {

                $social = new SocialUser();
                $social->user_id = Yii::app()->getUser()->getId();
                $social->provider = $authData['service'];
                $social->uid = $authData['uid'];

                if ($social->save()) {
                    Yii::app()->getUser()->setFlash(
                        YFlashMessages::SUCCESS_MESSAGE,
                        Yii::t(
                            'SocialModule.social',
                            'Social network successfully attached to your account, you can use it to log in now.'
                        )
                    );

                    $module = Yii::app()->getModule('user');

                    $redirect = (Yii::app()->getUser()->isSuperUser() && $module->loginAdminSuccess)
                        ? [$module->loginAdminSuccess]
                        : [$module->loginSuccess];

                    Yii::app()->authenticationManager->setBadLoginCount(Yii::app()->getUser(), 0);

                    $this->redirect(Yii::app()->getUser()->getReturnUrl($redirect));
                }
            } else {

                $form->addError('hash', Yii::t('SocialModule.social', 'Wrong email or password!'));

                Yii::app()->authenticationManager->setBadLoginCount(Yii::app()->getUser(), $badLoginCount + 1);

            }
        }

        $this->render('connect', ['authData' => $authData, 'model' => $form]);
    }
}