<?php

namespace backend\controllers;

use common\components\ReviewStatus;
use common\models\Entity;
use Yii;
use common\models\Review;
use app\models\ReviewSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use yii\helpers\Url;

/**
 * ReviewController implements the CRUD actions for Review model.
 */
class ReviewController extends Controller
{
    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['index', 'view'/*, 'create'*/, 'update', 'delete', 'approve', 'reject'],
                        'allow' => true,
                        'roles' => ['@'],
                    ],
                ],
            ],
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['POST'],
                ],
            ],
        ];
    }

    /**
     * Lists all Review models.
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new ReviewSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);
        $dataProvider->pagination->pageSize=50;
        Url::remember();

        return $this->render('index', [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }

    /**
     * Displays a single Review model.
     * @param integer $id
     * @return mixed
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
        ]);
    }

    /**
     * Creates a new Review model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new Review();

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect(Url::previous());
        } else {
            return $this->render('create', [
                'model' => $model,
            ]);
        }
    }

    /**
     * Updates an existing Review model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);

        if ($model->load(Yii::$app->request->post())) {
            $model->setRating();
            if ($model->save()) {
                return $this->redirect(Url::previous());
            } else {
                return $this->render('update', [
                    'model' => $model,
                ]);
            }

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

    /**
     * Deletes an existing Review model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     */
    public function actionDelete($id)
    {
        $review = $this->findModel($id);
        $boatId = $review->entityId;

        if($review->delete()){
            $boat = Entity::findOne($boatId);
            $reviews = Review::findAll(['entityId' => $boatId, 'status' => ReviewStatus::STATUS_APPROVED]);
            if(!$reviews){
                $boat->reviewCount = null;
                $boat->ratingValue = null;
            }else{
                $sum = array_reduce($reviews, function($i, $obj)
                {
                    return $i += $obj->rating;
                });
                $boat->reviewCount = count($reviews);
                $boat->ratingValue = round($sum/$boat->reviewCount, 1);
            }
            $boat->save(false);
        }

        return $this->redirect(Url::previous());
    }

    /**
     * Change status of review to approved.
     * @param integer $id
     * @return mixed
     */
    public function actionApprove($id)
    {
        $model = $this->findModel($id);

        $model->status = ReviewStatus::STATUS_APPROVED;
        $model->save(false);
        return $this->redirect(Url::previous());
    }

    /**
     * Change status of review to rejected
     * @param integer $id
     * @return mixed
     */
    public function actionReject($id)
    {
        $model = $this->findModel($id);

        $model->status = ReviewStatus::STATUS_REJECTED;
        $model->save(false);
        return $this->redirect(Url::previous());
    }

    /**
     * Finds the Review model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return Review the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($model = Review::findOne($id)) !== null) {
            return $model;
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
}