<?php

namespace App\Servers\Tenxunyun;

use TencentCloud\Common\Credential;
use TencentCloud\Common\Profile\ClientProfile;
use TencentCloud\Common\Profile\HttpProfile;
use TencentCloud\Tmt\V20180321\TmtClient;
use TencentCloud\Tmt\V20180321\Models\TextTranslateRequest;
use Exception;
use Illuminate\Support\Facades\Log;

/**
 * 腾讯云文本翻译服务
 * @author 唐远望
 * @date 2026-04-08
 */
class TextTranslate
{
    protected $client;

    public function __construct()
    {
        // 从 .env 文件中获取密钥
        $secretId = config('tenxunyun.tencentcloud.secret_id', '');
        $secretKey = config('tenxunyun.tencentcloud.secret_key', '');

        // 1. 实例化一个认证对象
        $credential = new Credential($secretId, $secretKey);

        // 2. 配置HTTP访问属性
        $httpProfile = new HttpProfile();
        $httpProfile->setEndpoint("tmt.tencentcloudapi.com");

        // 3. 配置客户端参数
        $clientProfile = new ClientProfile();
        $clientProfile->setHttpProfile($httpProfile);

        // 4. 实例化要请求的client对象，这里选择上海区，你也可选其他地域如ap-beijing
        $this->client = new TmtClient($credential, "ap-shanghai", $clientProfile);
    }

    /**
     * 执行文本翻译
     *
     * @param string $sourceText 待翻译的文本
     * @param string $source 源语言，如 'auto'(自动检测), 'zh'(中文), 'en'(英文)
     * @param string $target 目标语言，如 'en'(英文), 'zh'(中文)
     * @param int $projectId 项目ID，没有特殊要求传0即可
     * @return array 包含翻译结果和请求ID的数组
     */
    public function translateText($sourceText, $source, $target, $projectId = 0)
    {
        try {
            // 实例化请求对象
            $req = new TextTranslateRequest();
            
            // 设置请求参数
            $req->setSourceText($sourceText);
            $req->setSource($source);
            $req->setTarget($target);
            $req->setProjectId($projectId);

            // 调用API，获取响应
            $resp = $this->client->TextTranslate($req);
            
            // 返回结果
            return [
                'success' => true,
                'target_text' => $resp->getTargetText(),
                'source' => $resp->getSource(),
                'target' => $resp->getTarget(),
                'used_amount' => $resp->getUsedAmount(),
                'request_id' => $resp->getRequestId()
            ];

        } catch (Exception $e) {
            // 记录错误日志
            Log::error('腾讯云翻译失败: ' . $e->getMessage());
            
            return [
                'success' => false,
                'error' => $e->getMessage()
            ];
        }
    }
}