<?php

namespace App\Service\common\upload;

use App\BaseApp\BaseNotAuthService;
use App\Service\common\oss\OssStorageInterface;
use App\Service\common\UtilsService;

/**
 * 七牛云上传；优先使用官方 SDK，未安装时给出明确提示
 */
class QiniuStorageService extends BaseNotAuthService implements OssStorageInterface
{
    protected array $config = [
        'access_key' => '',
        'secret_key' => '',
        'bucket' => '',
        'domain' => '',
        'path_prefix' => '',
    ];

    /**
     * 注入解密后的运行时配置
     */
    public function withConfig(array $config): static
    {
        $this->config = array_merge($this->config, $config);
        return $this;
    }

    public function uploadImage($filePath, string $key): bool|array
    {
        return $this->uploadFile($filePath, $key);
    }

    public function uploadVideo($filePath, string $key): bool|array
    {
        return $this->uploadFile($filePath, $key);
    }

    public function deleteImage($key): bool
    {
        return $this->deleteFile($key);
    }

    public function deleteVideo($key): bool
    {
        return $this->deleteFile($key);
    }

    /**
     * 上传到七牛；无 SDK 时抛业务异常引导安装或改本地
     */
    private function uploadFile($filePath, string $key): bool|array
    {
        if (!class_exists(\Qiniu\Auth::class)) {
            UtilsService::getInstance()->errorThrow('未安装 qiniu/php-sdk，请改用本地存储或安装依赖');
        }
        $accessKey = (string) ($this->config['access_key'] ?? '');
        $secretKey = (string) ($this->config['secret_key'] ?? '');
        $bucket = (string) ($this->config['bucket'] ?? '');
        $domain = rtrim((string) ($this->config['domain'] ?? ''), '/');
        if ($accessKey === '' || $secretKey === '' || $bucket === '') {
            UtilsService::getInstance()->errorThrow('七牛云配置不完整');
        }
        $prefix = trim((string) ($this->config['path_prefix'] ?? ''), '/');
        if ($prefix !== '' && !str_starts_with($key, $prefix . '/')) {
            $key = $prefix . '/' . ltrim($key, '/');
        }
        $path = is_object($filePath) && method_exists($filePath, 'getRealPath')
            ? $filePath->getRealPath()
            : (string) $filePath;
        $auth = new \Qiniu\Auth($accessKey, $secretKey);
        $token = $auth->uploadToken($bucket);
        $uploadMgr = new \Qiniu\Storage\UploadManager();
        list($ret, $err) = $uploadMgr->putFile($token, $key, $path);
        if ($err !== null) {
            return false;
        }
        return [
            'key' => $ret['key'],
            'url' => $domain . '/' . $ret['key'],
        ];
    }

    private function deleteFile(string $key): bool
    {
        if (!class_exists(\Qiniu\Auth::class)) {
            return false;
        }
        $auth = new \Qiniu\Auth($this->config['access_key'], $this->config['secret_key']);
        $bucketMgr = new \Qiniu\Storage\BucketManager($auth);
        $err = $bucketMgr->delete($this->config['bucket'], $key);
        return $err === null;
    }
}