<?php
    namespace frontend\controllers;

    use common\models\Chat;
    use common\models\Message;
    use common\models\Project;
    use common\modules\comment\models\CommentProject;
    use Yii;
    use yii\helpers\Html;
    use yii\web\Controller;
    use yii\filters\AccessControl;
    use common\models\User;
    use yii\web\NotFoundHttpException;

    /**
     * Site controller
     */
    class TenderController extends Controller
    {

        public $enableCsrfValidation = false;

        /**
         * @inheritdoc
         */
        public function actions()
        {
            return [
                'error'   => [
                    'class' => 'yii\web\ErrorAction',
                ],
                'captcha' => [
                    'class'           => 'yii\captcha\CaptchaAction',
                    'fixedVerifyCode' => YII_ENV_TEST ? 'testme' : NULL,
                ],
                'verbs'   => [
                    'class'   => \yii\filters\VerbFilter::className(),
                    'actions' => [
                        'change-state' => [ 'post' ],
                        'offer-form'   => [ 'post' ],
                        'offer'        => [ 'post' ],
                    ],
                ],
                'access'  => [
                    'class' => AccessControl::className(),
                    'rules' => [
                        [
                            'actions' => [ 'change-state' ],
                            'allow'   => true,
                            'roles'   => [ '@' ],
                        ],
                    ],
                ],
            ];
        }

        /**
         * Redirect to search page.
         *
         * @return string
         */
        public function actionIndex()
        {
            return $this->redirect([ 'search/project' ]);
        }

        public function actionView($tender_id)
        {
            /**
             * @var Project $model
             */
            $model = Project::findOne($tender_id);
            if(!empty($model)) {
                $model->updateCounters(['view_count' => 1]);
            } else {
                throw new NotFoundHttpException(Yii::t('app', 'project_not_found'));
            }

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

        public function actionChangeState()
        {
            /**
             * @var User $user
             */
            $response = \Yii::$app->response;
            $response->format = $response::FORMAT_JSON;
            $user = \Yii::$app->user->identity;
            $project_id = \Yii::$app->request->post('project_id');
            $comment_id = \Yii::$app->request->post('comment_id');
            $state = \Yii::$app->request->post('state');
            if(empty( $project_id ) || empty( $comment_id ) || empty( $state )) {
                return [ 'error' => 'project_id, comment_id, state должны быть отправлены в запросе' ];
            }
            /**
             * @var Project $project
             */
            $project = Project::findOne($project_id);
            if(empty( $project )) {
                return [ 'error' => 'Заказ не найден' ];
            }
//            elseif($project->user_id != $user->id) {
//                return [ 'error' => 'Вы можете менять статус только собственных проектов' ];
//            }
            /**
             * @var CommentProject $comment
             */
            $comment = CommentProject::find()
                                     ->where([
                                         'comment_id' => $comment_id,
                                         'model'      => $project->className(),
                                         'model_id'   => $project->project_id,
                                     ])
                                     ->one();
            if(empty( $comment )) {
                return [ 'error' => 'Данного предложения не существует' ];
            }
            if($project->user_id != $user->id && $comment->user_id != $user->id) {
                return ['error' => 'Вы можете менять статус только своих предложений, либо предложений по своим заказам'];
            }
            if($comment->user_id == $user->id) {
                $comment->scenario = $comment::SCENARIO_OWNER;
            } else {
                $comment->scenario = $comment::SCENARIO_STATE;
            }
            if($comment->state == $comment::STATE_TRASH && $comment->scenario == $comment::SCENARIO_STATE) {
                return [ 'error' => 'Исполнитель отменил данное предложение' ];
            }
            if($comment->state == $comment::STATE_DENY && $comment->scenario == $comment::SCENARIO_OWNER) {
                return [ 'error' => 'Заказчик отменил Ваше предложение' ];
            }

            $comment->state = $state;
            if(!$comment->validate()) {
                return [ 'error' => 'Недопустимое значение state' ];
            }
            if($comment->changeState()) {
                return [ 'message' => 'Автор оповещен о вашем решении' ];
            } else {
                return [ 'error' => 'Ошибка обновления.' ];
            }
        }

        public function actionOfferForm()
        {
            /**
             * @var User $user
             */
            $response = \Yii::$app->response;
            $request = \Yii::$app->request;
            $response->format = $response::FORMAT_JSON;
            $user = \Yii::$app->user->identity;
            $performer_id = $request->post('performer_id');
            if(empty( $performer_id )) {
                return [ 'error' => 'performer_id должен быть задан' ];
            }
            $projects = $user->getProjects()
                             ->with('parent')
                             ->all();
            if(empty( $projects )) {
                return [ 'error' => 'У Вас еще нету заказов' ];
            }
            return [
                'message' => $this->renderAjax('forms-modal-offer', [
                    'performer_id' => $performer_id,
                    'projects'     => $projects,
                ]),
            ];
        }

        public function actionOffer()
        {
            /**
             * @var User    $user
             * @var Project $project
             * @var User    $performer
             * @var Chat    $chat
             */
            $response = \Yii::$app->response;
            $request = \Yii::$app->request;
            $response->format = $response::FORMAT_JSON;
            $user = \Yii::$app->user->identity;
            $project_id = $request->post('project_id');
            $performer_id = $request->post('performer_id');
            if(empty( $project_id ) || empty( $performer_id )) {
                return [ 'error' => 'project_id и performer_id должны быть заданы' ];
            }
            $performer = User::find()
                             ->where([ 'id' => $performer_id ])
                             ->one();
            if(empty( $performer )) {
                return [ 'error' => 'Исполнитель не найден' ];
            }
            $project = Project::find()
                              ->where([ 'project_id' => $project_id ])
                              ->one();
            if(empty( $project )) {
                return [ 'error' => 'Заказ не найден' ];
            } elseif($project->user_id != $user->id) {
                return [ 'error' => 'Вы можете предлагать только собственные заказы' ];
            }
            $chat = $user->getChat($performer->id)
                         ->one();
            if(empty( $chat )) {
                $chat = new Chat([
                    'form_user' => $user->id,
                    'to_user'   => $performer->id,
                ]);
                if(!$chat->save()) {
                    return [ 'error' => 'Не удалось создать чат' ];
                }
            }
            $message = new Message([
                'chat_id' => $chat->chat_id,
                'user_id' => $user->id,
                'status'  => 1,
            ]);
            $text = "<p>Здравствуйте, {$performer->name}!</p><p>Предлагаю Вам принять участие в " . Html::a('заказе', [
                    'tender/view',
                    'tender_id' => $project->project_id,
                ]) . "</p>";
            $message->text = $text;
            if(!$message->save()) {
                return [ 'error' => 'Не удалось отправить предложение' ];
            } else {
                return [ 'message' => 'Предложение успешно отправлено' ];
            }
        }

    }