<?php
    /**
     * Created by PhpStorm.
     * User: Cibermag
     * Date: 31.08.2015
     * Time: 9:58
     */
    namespace artweb\artbox\file\controllers;
    
    use Yii;
    use yii\helpers\ArrayHelper;
    use yii\web\UploadedFile;
    use artweb\artbox\file\models\ImageSizerForm;
    use yii\web\Controller;
    use Imagine\Gd\Imagine;
    use Imagine\Image\Box;
    use yii\imagine\Image;
    
    class UploaderController extends Controller
    {
        
        public $enableCsrfValidation = false;
        
        public function isBigger($width, $height, $w, $h)
        {
            if ($width > $w) {
                return true;
            } else if ($height > $h) {
                return true;
            }
            return false;
        }
        
        private function getUserPath()
        {
            if (isset( Yii::$app->user->id )) {
                return 'user_' . Yii::$app->user->id;
            } else {
                return 'guest';
            }
        }
        
        private function resizeImg($w, $h, $imageAlias, $imageAliasSave)
        {
            $img = Image::getImagine()
                        ->open(Yii::getAlias($imageAlias));
            
            $size = $img->getSize();
            
            $width = $size->getWidth();
            $height = $size->getHeight();
            
            $e_width = $w / $h;
            $e_height = $h / $w;
            
            $e1_width = $width / $height;
            $e1_height = $height / $width;
            
            if ($e_width < $e1_width) {
                
                $new_width = $width * ( $e_width / $e1_width );
                
                $y = 0;
                $x = $width / 2 - ( $new_width / 2 );
                $width = $new_width;
                
            } else {
                
                $new_height = $height * ( $e_height / $e1_height );
                $x = 0;
                $y = $height / 2 - ( $new_height / 2 );
                $height = $new_height;
            }
            
            Image::crop(
                $imageAlias,
                $width,
                $height,
                [
                    $x,
                    $y,
                ]
            )
                 ->save(
                     Yii::getAlias($imageAliasSave),
                     [
                         'quality' => 100,
                     ]
                 );
            
            $imagine = new Imagine();
            $imagine->open($imageAliasSave)
                    ->resize(new Box($w, $h))
                    ->save($imageAliasSave, [ 'flatten' => false ]);
            
        }
        
        private function deleteImages($old_img)
        {
            
            if (!empty( $old_img ) && file_exists($_SERVER[ 'DOCUMENT_ROOT' ] . $old_img)) {
                
                $rootDir = explode("/", $old_img);
                
                $row = $_SERVER[ 'DOCUMENT_ROOT' ] . '/' . $rootDir[ 1 ] . '/' . $rootDir[ 2 ] . '/' . $rootDir[ 3 ] . '/';
                
                $allFiles = scandir($row);
                
                $allFiles = array_slice($allFiles, 2);
                
                foreach ($allFiles as $oldFile) {
                    
                    unlink($row . $oldFile);
                    
                }
                
            }
        }
        
        public function actionDeleteImage()
        {
            
            $this->enableCsrfValidation = false;
            
            $request = Yii::$app->request->post();
            
            if ($request) {
                if ($request[ 'old_img' ]) {
                    $this->deleteImages($request[ 'old_img' ]);
                }
                if (isset( $request[ 'action' ] ) && $request[ 'action' ] == 'save') {
                    $object = str_replace('-', '\\', $request[ 'model' ]);
                    $model = new $object;
                    $model = $model->findOne($request[ 'id' ]);
                    $model->$request[ 'field' ] = $request[ 'new_url' ];
                    $model->save();
                }
            }
            
        }
        
        public function actionDownloadPhoto()
        {
            
            $model = new ImageSizerForm();
            
            $request = Yii::$app->request->post();
            
            if ($request) {
                
                $model->multi = isset( $request[ 'multi' ] ) ? 1 : 0;
                
                $model->file = UploadedFile::getInstance($model, 'file');
                
                $md5_file = md5_file($model->file->tempName) . rand(1, 1000);
                
                $imgDir = Yii::getAlias('@storage/' . $this->getUserPath() . '/' . $md5_file . '/');
                
                $imageOrigAlias = Yii::getAlias($imgDir . 'original' . '.' . $model->file->extension);
                
                if (!is_dir($imgDir)) {
                    mkdir($imgDir, 0755, true);
                }
                
                $model->file->saveAs($imageOrigAlias);
                
                if (isset( $request[ 'size' ] )) {
                    
                    $request[ 'size' ] = ArrayHelper::toArray(json_decode($request[ 'size' ]));
                    
                    foreach ($request[ 'size' ] as $size) {
                        if ($size[ 'width' ] && $size[ 'height' ]) {
                            
                            $imageAlias = Yii::getAlias(
                                $imgDir . $size[ 'width' ] . 'x' . $size[ 'height' ] . '.' . $model->file->extension
                            );
                            
                            $imageLink = '/storage/' . $this->getUserPath(
                                ) . '/' . $md5_file . '/' . $size[ 'width' ] . 'x' . $size[ 'height' ] . '.' . $model->file->extension;
                            
                            $this->resizeImg($size[ 'width' ], $size[ 'height' ], $imageOrigAlias, $imageAlias);
                            
                        }
                    }
                    
                } else {
                    
                    $imageLink = '/storage/' . $this->getUserPath(
                        ) . '/' . $md5_file . '/' . 'original' . '.' . $model->file->extension;
                    
                }
                
                if ($model->multi) {
                    $view = $this->renderPartial(
                        '/_gallery_item',
                        [
                            'item'  => [ 'image' => $imageLink ],
                            'field' => $request[ 'field' ],
                        ]
                    );
                    return json_encode(
                        [
                            'link' => $imageLink,
                            'view' => $view,
                        
                        ]
                    );
                    
                } else {
                    $view = $this->renderPartial(
                        '/_one_item',
                        [
                            'item'  => [ 'image' => $imageLink ],
                            'field' => $request[ 'field' ],
                        ]
                    );
                    return json_encode(
                        [
                            'link' => $imageLink,
                            'view' => $view,
                        ]
                    );
                }
                
            }
        }
        
        public function getex($filename)
        {
            $array = explode(".", $filename);
            return array_pop($array);
        }
        
        public function actionImagesUpload()
        {
            
            if ($_FILES[ 'upload' ]) {
                if (( $_FILES[ 'upload' ] == "none" ) OR ( empty( $_FILES[ 'upload' ][ 'name' ] ) )) {
                    $message = "Вы не выбрали файл";
                } else if ($_FILES[ 'upload' ][ "size" ] == 0 OR $_FILES[ 'upload' ][ "size" ] > 2050000) {
                    $message = "Размер файла не соответствует нормам";
                } else if (( $_FILES[ 'upload' ][ "type" ] != "image/jpeg" ) AND ( $_FILES[ 'upload' ][ "type" ] != "image/jpeg" ) AND ( $_FILES[ 'upload' ][ "type" ] != "image/png" ) AND ( $_FILES[ 'upload' ][ 'type' ] != 'image/gif' )) {
                    $message = "Допускается загрузка только картинок JPG и PNG.";
                } else if (!is_uploaded_file($_FILES[ 'upload' ][ "tmp_name" ])) {
                    $message = "Что-то пошло не так. Попытайтесь загрузить файл ещё раз.";
                } else {
                    $filename = $_FILES[ 'upload' ][ 'name' ];
                    $name = $_FILES[ 'upload' ][ 'name' ] . '.' . $this->getex($filename);
                    
                    $path = "../../storage/" . $this->getUserPath() . "/images/";
                    if (!is_dir($path)) {
                        mkdir($path, 0755, true);
                    }
                    
                    move_uploaded_file($_FILES[ 'upload' ][ 'tmp_name' ], $path . $name);
                    
                    $full_path = '/storage/' . $this->getUserPath() . '/images/' . $name;
                    
                    $message = "Файл " . $_FILES[ 'upload' ][ 'name' ] . " загружен";
                    
                }
                $callback = $_REQUEST[ 'CKEditorFuncNum' ];
                echo '<script type="text/javascript">window.parent.CKEDITOR.tools.callFunction("' . $callback . '", "' . $full_path . '", "' . $message . '" );</script>';
            }
        }
        
    }