<?php

namespace admin\models\forms;

use common\models\oldDb\Attachment;
use OSS\OssClient;
use yii\web\UploadedFile;

class AttachmentUpload extends \yii\base\Model
{
    public $storage;
    public $file;
    public $attachment_group_id;
    public $type;
    public $mall_id;
    public $mch_id;

    public $saveFileFolder;
    public $saveThumbFolder;
    public $saveFileName;
    public $url;
    public $thumbUrl;

    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',];


    /**
     * @return Attachment
     * @throws \Exception
     */
    public function upload()
    {
        $dateFolder = date('Ymd');
        $this->saveFileFolder = '/uploads/' . \Yii::$app->mallId.'/' . $dateFolder;
        $this->saveThumbFolder = '/uploads/thumbs/' . \Yii::$app->mallId.'/' . $dateFolder;
        $this->saveFileName = md5_file($this->file->tempName) . '.' . $this->file->getExtension();
        $this->saveToAliOss();
        return $this->attachmentSave();
    }

    public function attachmentSave()
    {
        $attachment = new Attachment();
        $attachment->storage_id = $this->storage ? $this->storage->id : 0;
        $attachment->user_id = 0;
        $attachment->name = $this->file->name;
        $attachment->size = $this->file->size;
        $attachment->is_delete = 0;
        $attachment->url = $this->url;
        $attachment->thumb_url = $this->thumbUrl;
        $attachment->attachment_group_id = $this->attachment_group_id;
        $attachment->type = $this->type;
        $attachment->mall_id = $this->mall_id;
        $attachment->mch_id = $this->mch_id;
        if (!$attachment->save()) {
            throw new \Exception(json_encode($attachment->getErrors()));
        }
        return $attachment;
    }

    public function saveToAliOss()
    {
        $config = \Yii::$app->params['upload']['alioss'];
        $isCName = (isset($config['is_cname']) && $config['is_cname'] == 1) ? true : false;
        $client = new OssClient($config['access_key'], $config['secret_key'], $config['domain'], $isCName);

        $object = trim($this->saveFileFolder . '/' . $this->saveFileName, '/');
        $client->uploadFile($config['bucket'], $object, $this->file->tempName);
        if (!$isCName) {
            $endpointNameStart = mb_stripos($config['domain'], '://') + 3;
            $urlPrefix = mb_substr($config['domain'], 0, $endpointNameStart)
                . $config['bucket']
                . '.'
                . mb_substr($config['domain'], $endpointNameStart);
        } else {
            $urlPrefix = $config['domain'];
        }
        $this->url = $urlPrefix . $this->saveFileFolder . '/' . $this->saveFileName;
        if (in_array($this->file->extension, $this->imageExt) && isset($config['style_api']) && $config['style_api']) {
            $this->url = $this->url . $config['style_api'];
        }
        $this->thumbUrl = $this->url;
    }

    public static function getInstanceFromFile($localFilePath)
    {
        if (!is_string($localFilePath)) {
            throw new \Exception('文件名称不是字符串。');
        }
        if (!file_exists($localFilePath)) {
            throw new \Exception('文件`' . $localFilePath . '`不存在。');
        }
        $localFilePath = str_replace('\\', '/', $localFilePath);
        $pathInfo = pathinfo($localFilePath);
        $name = $pathInfo['basename'];
        $size = filesize($localFilePath);
        $type = mimetype_from_filename($localFilePath);
        return new UploadedFile([
            'name' => $name,
            'type' => $type,
            'tempName' => $localFilePath,
            'error' => 0,
            'size' => $size,
        ]);
    }
}