<?php
    
    namespace artbox\core\components\imagemanager\models;
    
    use artbox\core\components\imagemanager\Module;
    use Yii;
    use yii\db\ActiveQuery;
    use yii\db\ActiveRecord;
    use yii\db\Expression;
    use yii\behaviors\TimestampBehavior;
    use yii\behaviors\BlameableBehavior;
    
    /**
     * This is the model class for table "ImageManager".
     *
     * @property integer $id
     * @property string  $fileName
     * @property string  $fileHash
     * @property string  $created
     * @property string  $modified
     * @property string  $createdBy
     * @property string  $modifiedBy
     */
    class ImageManager extends ActiveRecord
    {
        
        /**
         * Set Created date to now
         */
        public function behaviors()
        {
            $aBehaviors = [];
            
            // Add the time stamp behavior
            $aBehaviors[] = [
                'class'              => TimestampBehavior::className(),
                'createdAtAttribute' => 'created',
                'updatedAtAttribute' => 'modified',
                'value'              => new Expression('NOW()'),
            ];
            
            // Check if we need blamable behavior
            if (Yii::$app->getModule('imagemanager')->setBlameableBehavior) {
                $aBehaviors[] = [
                    'class'              => BlameableBehavior::className(),
                    'createdByAttribute' => 'createdBy',
                    'updatedByAttribute' => 'modifiedBy',
                ];
            }
            
            return $aBehaviors;
        }
        
        /**
         * @inheritdoc
         */
        public static function tableName()
        {
            return 'ImageManager';
        }
        
        /**
         * @inheritdoc
         */
        public function rules()
        {
            return [
                [
                    [
                        'fileName',
                        'fileHash',
                    ],
                    'required',
                ],
                [
                    [
                        'created',
                        'modified',
                    ],
                    'safe',
                ],
                [
                    [ 'fileName' ],
                    'string',
                    'max' => 128,
                ],
                [
                    [ 'fileHash' ],
                    'string',
                    'max' => 32,
                ],
            ];
        }
        
        /**
         * @inheritdoc
         */
        public function attributeLabels()
        {
            return [
                'id'         => Yii::t('imagemanager', 'ID'),
                'fileName'   => Yii::t('imagemanager', 'File Name'),
                'fileHash'   => Yii::t('imagemanager', 'File Hash'),
                'created'    => Yii::t('imagemanager', 'Created'),
                'modified'   => Yii::t('imagemanager', 'Modified'),
                'createdBy'  => Yii::t('imagemanager', 'Created by'),
                'modifiedBy' => Yii::t('imagemanager', 'Modified by'),
            ];
        }
        
        /**
         * Get image path private
         *
         * @return string|null If image file exists the path to the image, if file does not exists null
         */
        public function getImagePathPrivate()
        {
            //set default return
            $return = null;
            //set media path
            $sMediaPath = \Yii::$app->imagemanager->mediaPath;
            $sFileExtension = pathinfo($this->fileName, PATHINFO_EXTENSION);
            //get image file path
            $sImageFilePath = $sMediaPath . '/' . $this->id . '_' . $this->fileHash . '.' . $sFileExtension;
            //check file exists
            if (file_exists($sImageFilePath)) {
                $return = $sImageFilePath;
            }
            return $return;
        }
        
        /**
         * Get image data dimension/size
         *
         * @return array The image sizes
         */
        public function getImageDetails()
        {
            //set default return
            $return = [
                'width'  => 0,
                'height' => 0,
                'size'   => 0,
            ];
            //set media path
            $sMediaPath = \Yii::$app->imagemanager->mediaPath;
            $sFileExtension = pathinfo($this->fileName, PATHINFO_EXTENSION);
            //get image file path
            $sImageFilePath = $sMediaPath . '/' . $this->id . '_' . $this->fileHash . '.' . $sFileExtension;
            //check file exists
            if (file_exists($sImageFilePath)) {
                $aImageDimension = getimagesize($sImageFilePath);
                $return[ 'width' ] = isset($aImageDimension[ 0 ]) ? $aImageDimension[ 0 ] : 0;
                $return[ 'height' ] = isset($aImageDimension[ 1 ]) ? $aImageDimension[ 1 ] : 0;
                $return[ 'size' ] = Yii::$app->formatter->asShortSize(filesize($sImageFilePath), 2);
            }
            return $return;
        }
    
        /**
         * @return ActiveQuery
         */
        public function getLanguages()
        {
            return ImageManagerLang::find()
                                   ->where(
                                       [
                                           'image_id' => $this->id,
                                       ]
                                   )
                                   ->joinWith('language')
                                   ->where(
                                       [
                                           'language.status' => true,
                                       ]
                                   );
        }
    }