<?php
/**
 * This service file is part of item.
 *
 * @author   ctexthuang
 * @contact  ctexthuang@qq.com
 */

declare(strict_types=1);

namespace App\Service\Common;

use App\Cache\Redis\Common\CommonRedisKey;
use App\Cache\Redis\RedisCache;
use App\Exception\AdminException;
use App\Lib\AdminReturn;
use App\Lib\Log;
use App\Model\OssObject;
use Exception;
use Hyperf\Di\Annotation\Inject;
use Hyperf\HttpServer\Contract\RequestInterface;
use OSS\Core\OssException;
use OSS\OssClient;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;
use function Hyperf\Config\config;

class OssCallbackService
{

    /**
     * 请求对象
     * @var RequestInterface
     */
    #[Inject]
    protected RequestInterface $request;

    /**
     * @var AdminReturn
     */
    #[Inject]
    protected AdminReturn $adminReturn;

    /**
     * @var Log
     */
    #[Inject]
    protected Log $log;

    /**
     * @var RedisCache
     */
    #[Inject]
    protected RedisCache $redisCache;

    /**
     * 请求的值解析字段
     * @var mixed
     */
    private mixed $data;

    /**
     * oss连接类
     * @var OssClient
     */
    protected OssClient $ossClient;

    /**
     * 空间
     * @var string
     */
    protected string $bucket;

    /**
     * 文件的类型
     * @var string
     */
    private string $mimeType;

    /**
     * 文件名字
     * @var string
     */
    private string $fileName;

    /**
     * 新的文件放置区域
     * @var string
     */
    private string $newObjectPath;


    /**
     * 新的id
     * @var int
     */
    private int $newId;

    /**
     * 允许的文件夹
     * @var array|string[]
     */
    private array $allowType = [
        'admin_avatar',
        'avatar',
        'menu',
    ];

    /**
     * OssCallbackService constructor.
     */
    public function __construct()
    {
        $this->ossClient = new OssClient(
            config('ali.access_key_id'),
            config('ali.access_key_secret'),
            config('ali.intranet_endpoint')
        );

        $this->bucket = config('ali.bucket');
    }

    /**
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws \RedisException
     */
    public function process(): array
    {
        try {
            //记录回调内容
            $this->filePutContents();

            //检测直传type
            $this->checkType();

            //检测文件格式
            $this->checkMimeType();

            //获取新文件名
            $this->getNewFileName();

            //复制旧文件到指定文件夹
            try {
                $this->ossClient->copyObject($this->bucket, urldecode($this->data['object']), $this->bucket, $this->newObjectPath);
            } catch (OssException $e) {
                throw new Exception($e->getMessage());
            }

            date_default_timezone_set('Asia/Shanghai');

            //增加oss object数据
            $this->addOssObjectData();

            //删除旧的文件
            $this->deleteOssObject();

        }catch (Exception $exception){
            $this->deleteOssObject();
            throw new AdminException($exception->getMessage());
        }

        $this->log->callbackLog(__CLASS__.':oss回调完成'.json_encode($this->data),'oss');

        return $this->adminReturn->success('上传成功',[
            'id' => $this->newId,
            'url' => config('ali.oss_url') . $this->newObjectPath,
            'old_file_name' => $this->fileName
        ]);
    }

    /**
     * 记录回调内容
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    private function filePutContents(): void
    {

        $this->data = $this->request->all();

        $this->log->callbackLog(__CLASS__.':oss回调'.json_encode($this->data),'oss');
    }

    /**
     * 检测直传type
     * @return void
     * @throws Exception
     */
    private function checkType(): void
    {
        if (!in_array($this->data['type'], $this->allowType)) {
            throw new Exception('上传类型错误');
        }
    }


    /**
     * 检测文件格式
     * @return void
     * @throws Exception
     */
    private function checkMimeType(): void
    {
        $mimeType = explode('/', $this->data['mimeType']);

        switch ($this->data['mimeType']) {
            case 'text/plain':
                if ($mimeType[0] != 'text') {
                    throw new Exception("不允许此格式文件");
                }
                $this->mimeType = 'txt';
                break;
            default:
                if (!in_array($mimeType[1], ['mp3', 'jpeg', 'jpg', 'png', 'gif', 'mp4', 'mpeg','aac', 'quicktime'])) {
                    throw new Exception("不允许此格式文件");
                }
                $this->mimeType = $mimeType[1];
        }
    }

    /**
     * 获取新文件名
     * @return void
     */
    private function getNewFileName(): void
    {

        $this->fileName = explode('/', urldecode($this->data['object']))[1];

        switch ($this->data['type'])
        {
            case 'video_main':
                $newFileName = date('YmdHis').md5($this->data['type'].$this->fileName);
                $this->newObjectPath = sprintf("upload/%s/%s/%s/%s.%s", 'admin', $this->data['type'], $this->data['library_dir'],$newFileName,$this->mimeType);
                break;
            case 'avatar':
                $newFileName = date('YmdHis').md5($this->data['type'].$this->fileName);
                $this->newObjectPath = sprintf("upload/%s/%s/%s/%s.%s", 'user', $this->data['user_id'], $this->data['type'],$newFileName,$this->mimeType);
                break;
            default:
                $newFileName = md5(date('YmdHis').$this->data['type'].$this->fileName);

                $newMimeType = $this->mimeType;
                if ($this->mimeType == 'quicktime') {
                    $newMimeType = 'mov';
                }

                $this->newObjectPath = sprintf("upload/%s/%s/%s.%s",'admin', $this->data['type'], $newFileName,$newMimeType);
                break;
        }
    }

    /**
     * 增加oss object数据
     * @return void
     */
    private function addOssObjectData(): void
    {
        $type = 0;
        switch ($this->mimeType) {
            case 'jpg':
            case 'jpeg':
            case 'png':
            case 'bmp':
                $type = 1;
                break;
            case 'mp3':
                $type = 2;
                break;
            case 'mp4':
            case 'swf':
                $type = 3;
                break;
        }

        $ossObjectModel = new OssObject();

        $ossObjectModel->url = $this->newObjectPath;
//        $ossObjectModel->url = urldecode($this->data['object']);
        $ossObjectModel->width = $this->data['imageInfo_width'] ?? 0;
        $ossObjectModel->height =  $this->data['imageInfo_height'] ?? 0;
        $ossObjectModel->audio_second = $this->data['audio_second'] ?? 0;
        $ossObjectModel->video_duration = $this->data['video_duration'] ?? 0;
        $ossObjectModel->size = $this->data['size'] ?? 0;

        $ossObjectModel->type = $type;

        if (!$ossObjectModel->save()){
            throw new AdminException('保存图片失败');
        }

        $this->newId = $ossObjectModel->id;
    }

    /**
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws \RedisException
     */
    private function deleteOssObject(): void
    {
        //删除旧的文件
        $this->redisCache->lPush(CommonRedisKey::getDeleteOssImgListByUrl(), $this->data['object'],'system');
    }

}