<?php

namespace admin\models\forms;

use OSS\OssClient;
use yii\web\UploadedFile;
use function GuzzleHttp\Psr7\mimetype_from_filename;

class AttachmentUploadForm extends \yii\base\Model
{
    /** @var UploadedFile */
    public $file;

    public $type;

    public $attachment_group_id;

    protected $docExt = ['txt', 'doc', 'docx', 'ppt', 'pptx', 'xls', 'xlsx', 'csv', 'pdf', 'md'];
    protected $imageExt = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp',];
    protected $videoExt = ['mp4', 'ogg', 'm4a','mp3'];

    protected $maxSize = ['img'=>20,'video'=>100,'doc'=>5];
    public function rules()
    {
        return [
            [['file'], 'file'],
            [['file'], 'validateExt'],
            [['attachment_group_id'], 'integer'],
            [['type'], 'string'],
        ];
    }

    public function validateExt($a, $p)
    {
        $supportExt = array_merge($this->docExt, $this->imageExt, $this->videoExt);
        if (!in_array($this->file->extension, $supportExt)) {
            $this->addError($a, '不支持的文件类型: ' . $this->file->extension);
        }

        if (in_array($this->file->extension, $this->imageExt)) {
            if ( $this->file->size > ($this->maxSize['img'] * 1024 * 1024)) {
                $this->addError($a, '图片大小超出限制,当前大小为: '
                    . (round($this->file->size / 1024 / 1024, 4)) . 'MB,最大限制为:'
                    . $this->maxSize['img'] . 'MB');
            }
        }

        if (in_array($this->file->extension, $this->videoExt)) {
            if ($this->file->size > ($this->maxSize['video'] * 1024 * 1024)) {
                $this->addError($a, '视频大小超出限制,当前大小为: '
                    . (round($this->file->size / 1024 / 1024, 4)) . 'MB,最大限制为:'
                    . $this->maxSize['maxSize'] . 'MB');
            }
        }
    }

    public function checkExt($ext)
    {
        if (in_array($ext, $this->imageExt)) {
            $type = 1;
        } elseif (in_array($ext, $this->videoExt)) {
            $type = 2;
        } elseif (in_array($ext, $this->docExt)) {
            $type = 3;
        } else {
            $type = 0;
        }
        return $type;
    }

    public function save()
    {
        if (!$this->validate()) {
            return ['error'=>$this->getErrors()];
        }

        if ($this->type === 'image') {
            $type = 1;
        } elseif ($this->type === 'video') {
            $type = 2;
        } else {
            if (in_array($this->file->extension, $this->imageExt)) {
                $type = 1;
            } elseif (in_array($this->file->extension, $this->videoExt)) {
                $type = 2;
            } elseif (in_array($this->file->extension, $this->docExt)) {
                $type = 3;
            } else {
                $type = 0;
            }
        }

        $mallId = \Yii::$app->mallId;
        $mchId = 0;
        $attachmentUpload = new AttachmentUpload([
            'file' => $this->file,
            'type' => $type,
            'mall_id' => $mallId,
            'mch_id' => $mchId,
            'attachment_group_id' => $this->attachment_group_id ? $this->attachment_group_id : 0
        ]);
        $attachment = $attachmentUpload->upload();
        $attachment->thumb_url = $attachment->thumb_url ? $attachment->thumb_url : $attachment->url;
        return  $attachment;

    }

    public static function getInstanceFromFile($localFilePath)
    {
        return AttachmentUpload::getInstanceFromFile($localFilePath);
    }
}