<?php
    
    namespace artbox\catalog\controllers;

    use artbox\catalog\models\Category;
    use artbox\catalog\models\OptionGroup;
    use artbox\catalog\models\OptionGroupSearch;
    use Yii;
    use yii\filters\AccessControl;
    use yii\helpers\ArrayHelper;
    use yii\helpers\Html;
    use yii\web\Controller;
    use yii\web\NotFoundHttpException;
    use yii\filters\VerbFilter;
    
    /**
     * Abstract OptionGroupController implements the CRUD actions OptionGroup models.
     */
    abstract class OptionGroupController extends Controller
    {
        /**
         * @inheritdoc
         */
        public function behaviors()
        {
            return [
                'access' => [
                    'class' => AccessControl::className(),
                    'rules' => [
                        [
                            'actions' => [
                                'login',
                                'error',
                            ],
                            'allow'   => true,
                        ],
                        [
                            'allow' => true,
                            'roles' => [ '@' ],
                        ],
                    ],
                ],
                'verbs'  => [
                    'class'   => VerbFilter::className(),
                    'actions' => [
                        'delete' => [ 'POST' ],
                    ],
                ],
            ];
        }
        
        /**
         * Lists all OptionGroup models.
         *
         * @return mixed
         */
        public function actionIndex()
        {
            $searchModel = $this->createSearchModel();
            $dataProvider = $searchModel->search(Yii::$app->request->queryParams);
            
            return $this->render(
                'index',
                [
                    'searchModel'  => $searchModel,
                    'dataProvider' => $dataProvider,
                ]
            );
        }
        
        /**
         * Displays a single ProductOptionGroupCompl model.
         *
         * @param integer $id
         *
         * @return mixed
         */
        public function actionView($id)
        {
            return $this->render(
                'view',
                [
                    'model' => $this->findModel($id),
                ]
            );
        }
        
        /**
         * Creates a new OptionGroup model.
         * If creation is successful, the browser will be redirected to the 'view' page.
         *
         * @return mixed
         */
        public function actionCreate()
        {
            $model = $this->createModel();
            $model->generateLangs();
            if ($model->loadWithLangs(\Yii::$app->request) && $model->saveWithLangs()) {
                $categories = Category::find()
                                      ->where([ 'id' => \Yii::$app->request->post('categoryIds') ])
                                      ->all();
                $model->linkMany('categories', $categories);
                return $this->redirect(
                    [
                        'view',
                        'id' => $model->id,
                    ]
                );
            }
            return $this->render(
                'create',
                [
                    'model'      => $model,
                    'modelLangs' => $model->modelLangs,
                ]
            );
        }
        
        /**
         * Updates an existing OptionGroup model.
         * If update is successful, the browser will be redirected to the 'view' page.
         *
         * @param integer $id
         *
         * @return mixed
         */
        public function actionUpdate($id)
        {
            //            var_dump(\Yii::$app->request->post('Categories'));die();
            $model = $this->findModel($id);
            $model->generateLangs();
    
            $model->categoryIds = ArrayHelper::map(
                $model->categories,
                'id',
                'lang.title'
            );
            
            if ($model->loadWithLangs(\Yii::$app->request) && $model->saveWithLangs()) {
                $categories = \Yii::$app->request->post('Categories') ?? [];
                $this->saveCategories($model, $categories);
                
                return $this->redirect(
                    [
                        'view',
                        'id' => $model->id,
                    ]
                );
            }
            return $this->render(
                'update',
                [
                    'model'      => $model,
                    'modelLangs' => $model->modelLangs,
                ]
            );
        }
        
        /**
         * Deletes an existing OptionGroup model.
         * If deletion is successful, the browser will be redirected to the 'index' page.
         *
         * @param integer $id
         *
         * @return mixed
         */
        public function actionDelete($id)
        {
            $this->findModel($id)
                 ->delete();
            
            return $this->redirect([ 'index' ]);
        }
        
        /**
         * Finds the OptionGroup model based on its primary key value.
         * If the model is not found, a 404 HTTP exception will be thrown.
         *
         * @param integer $id
         *
         * @return OptionGroup the loaded model
         * @throws NotFoundHttpException if the model cannot be found
         */
        protected function findModel($id): OptionGroup
        {
            if (( $model = $this->findOne($id) ) !== null) {
                return $model;
            } else {
                throw new NotFoundHttpException('The requested page does not exist.');
            }
        }
    
        /**
         * @param \artbox\catalog\models\OptionGroup $model
         * @param array                              $categories
         */
        protected function saveCategories(OptionGroup $model, array $categories)
        {
            $batch = [];
            foreach ($categories as $id => $category) {
                $batch[] = [
                    $model->id,
                    $id,
                    $category[ 'sort' ] ?? null,
                    $category[ 'status' ] ?? false,
                    $category[ 'in_menu' ] ?? false,
                    $category[ 'is_filter' ] ?? false,
                ];
            }
            //            var_dump($batch);die();
            $transaction = \Yii::$app->db->beginTransaction();
            try {
                $model->unlinkAll('categories', true);
                $model->insertCategories($batch);
            
                $transaction->commit();
            } catch (\Exception $exception) {
                $transaction->rollBack();
                die('error');
            }
        }
        
        /**
         * Create exact model
         *
         * @return OptionGroup
         */
        protected abstract function createModel(): OptionGroup;
        
        /**
         * Create exact search model
         *
         * @return OptionGroupSearch
         */
        protected abstract function createSearchModel(): OptionGroupSearch;
        
        /**
         * Find exact model
         *
         * @param $id
         *
         * @return OptionGroup|null
         */
        protected abstract function findOne($id);
    
        /**
         * Return new row for group-to-category table
         *
         * @return string
         */
        public function actionGetRow()
        {
            $id = \Yii::$app->request->post('id');
            $title = \Yii::$app->request->post('title');
        
            if (empty($id) || empty($title)) {
                return '';
            }
        
            $row = Html::beginTag('tr');
            $row .= Html::tag('td', $title);
            $row .= Html::tag(
                'td',
                Html::input(
                    'number',
                    'Categories[' . $id . '][sort]',
                    null,
                    [
                        'class' => 'form-control',
                    ]
                )
            );
            $row .= Html::tag(
                'td',
                Html::checkbox(
                    'Categories[' . $id . '][status]',
                    null,
                    [
                        'class' => 'flat',
                    ]
                )
            );
            $row .= Html::tag(
                'td',
                Html::checkbox(
                    'Categories[' . $id . '][in_menu]',
                    null,
                    [
                        'class' => 'flat',
                    ]
                )
            );
            $row .= Html::tag(
                'td',
                Html::checkbox(
                    'Categories[' . $id . '][is_filter]',
                    null,
                    [
                        'class' => 'flat',
                    ]
                )
            );
            $row .= Html::tag(
                'td',
                Html::a(
                    '<span class="fa fa-trash"></span>',
                    '#',
                    [
                        'class' => 'delete-row',
                    ]
                )
            );
            $row .= Html::endTag('tr');
        
            return $row;
        }
    }