<?php

declare(strict_types=1);

namespace app\common\service;

use think\facade\Log;

/**
 * 腾讯云 TRTC 云端录制（CreateCloudRecording / DeleteCloudRecording）
 * 依赖：composer require tencentcloud/trtc
 */
class TrtcCloudRecordingService
{
    public static function sdkAvailable(): bool
    {
        return class_exists(\TencentCloud\Trtc\V20190722\TrtcClient::class);
    }

    /**
     * @return array{ok:bool,task_id?:string,message?:string}
     */
    public static function startMixRecording(
        int $sdkAppId,
        string $roomId,
        string $botUserId,
        string $botUserSig
    ): array {
        if (!self::sdkAvailable()) {
            return ['ok' => false, 'message' => '未安装 tencentcloud/trtc，请在 server 目录执行 composer update'];
        }
        $secretId = trim((string)config('trtc.api_secret_id', ''));
        $secretKey = trim((string)config('trtc.api_secret_key', ''));
        if ($secretId === '' || $secretKey === '') {
            return ['ok' => false, 'message' => '未配置 trtc.api_secret_id / trtc.api_secret_key（CAM 密钥）'];
        }
        if ($sdkAppId <= 0) {
            return ['ok' => false, 'message' => 'SdkAppId 无效'];
        }
        if (self::trtcUserSigSecretKey() === '') {
            return ['ok' => false, 'message' => '未配置 TRTC UserSig 密钥（project.trtc.secretKey）'];
        }

        $roomIdType = ctype_digit($roomId) ? 1 : 0;
        $region = (string)config('trtc.recording_api_region', 'ap-guangzhou');

        try {
            $cred = new \TencentCloud\Common\Credential($secretId, $secretKey);
            $httpProfile = new \TencentCloud\Common\Profile\HttpProfile();
            $httpProfile->setEndpoint('trtc.tencentcloudapi.com');
            $clientProfile = new \TencentCloud\Common\Profile\ClientProfile();
            $clientProfile->setHttpProfile($httpProfile);
            $client = new \TencentCloud\Trtc\V20190722\TrtcClient($cred, $region, $clientProfile);

            $req = new \TencentCloud\Trtc\V20190722\Models\CreateCloudRecordingRequest();
            $req->SdkAppId = $sdkAppId;
            $req->RoomId = (string)$roomId;
            $req->RoomIdType = $roomIdType;
            $req->UserId = $botUserId;
            $req->UserSig = $botUserSig;

            $recordParams = new \TencentCloud\Trtc\V20190722\Models\RecordParams();
            $recordParams->RecordMode = 2;
            $recordParams->StreamType = 0;
            $recordParams->MaxIdleTime = 300;
            $req->RecordParams = $recordParams;

            $tencentVod = new \TencentCloud\Trtc\V20190722\Models\TencentVod();
            $tencentVod->ExpireTime = 0;
            $cloudVod = new \TencentCloud\Trtc\V20190722\Models\CloudVod();
            $cloudVod->TencentVod = $tencentVod;
            $storage = new \TencentCloud\Trtc\V20190722\Models\StorageParams();
            $storage->CloudVod = $cloudVod;
            $req->StorageParams = $storage;

            $videoParams = new \TencentCloud\Trtc\V20190722\Models\VideoParams();
            $videoParams->Width = 720;
            $videoParams->Height = 1280;
            $videoParams->Fps = 15;
            $videoParams->BitRate = 1000000;
            $videoParams->Gop = 2;
            $mixTc = new \TencentCloud\Trtc\V20190722\Models\MixTranscodeParams();
            $mixTc->VideoParams = $videoParams;
            $req->MixTranscodeParams = $mixTc;

            $mixLayout = new \TencentCloud\Trtc\V20190722\Models\MixLayoutParams();
            $mixLayout->MixLayoutMode = 3;
            $req->MixLayoutParams = $mixLayout;

            $resp = $client->CreateCloudRecording($req);
            $taskId = $resp->TaskId ?? '';
            if ($taskId === '') {
                return ['ok' => false, 'message' => 'CreateCloudRecording 未返回 TaskId'];
            }

            return ['ok' => true, 'task_id' => $taskId];
        } catch (\Throwable $e) {
            Log::error('CreateCloudRecording failed: ' . $e->getMessage());

            return ['ok' => false, 'message' => $e->getMessage()];
        }
    }

    /**
     * @return array{ok:bool,message?:string}
     */
    public static function stopRecording(int $sdkAppId, string $taskId): array
    {
        if ($taskId === '') {
            return ['ok' => true];
        }
        if (!self::sdkAvailable()) {
            return ['ok' => false, 'message' => '未安装 tencentcloud/trtc'];
        }
        $secretId = trim((string)config('trtc.api_secret_id', ''));
        $secretKey = trim((string)config('trtc.api_secret_key', ''));
        if ($secretId === '' || $secretKey === '') {
            return ['ok' => false, 'message' => '未配置云 API 密钥'];
        }
        $region = (string)config('trtc.recording_api_region', 'ap-guangzhou');

        try {
            $cred = new \TencentCloud\Common\Credential($secretId, $secretKey);
            $httpProfile = new \TencentCloud\Common\Profile\HttpProfile();
            $httpProfile->setEndpoint('trtc.tencentcloudapi.com');
            $clientProfile = new \TencentCloud\Common\Profile\ClientProfile();
            $clientProfile->setHttpProfile($httpProfile);
            $client = new \TencentCloud\Trtc\V20190722\TrtcClient($cred, $region, $clientProfile);

            $req = new \TencentCloud\Trtc\V20190722\Models\DeleteCloudRecordingRequest();
            $req->SdkAppId = $sdkAppId;
            $req->TaskId = $taskId;
            $client->DeleteCloudRecording($req);

            return ['ok' => true];
        } catch (\Throwable $e) {
            Log::warning('DeleteCloudRecording: ' . $e->getMessage());

            return ['ok' => false, 'message' => $e->getMessage()];
        }
    }

    public static function trtcSdkAppId(): int
    {
        $p = config('project.trtc');

        return (int)(is_array($p) ? ($p['sdkAppId'] ?? 0) : 0) ?: (int)config('trtc.sdkAppId', 0);
    }

    public static function trtcUserSigSecretKey(): string
    {
        $p = config('project.trtc');
        $fromProject = is_array($p) ? (string)($p['secretKey'] ?? '') : '';

        return $fromProject !== '' ? $fromProject : (string)config('trtc.secretKey', '');
    }

    public static function makeBotUserSig(string $botUserId): string
    {
        $sdkAppId = self::trtcSdkAppId();
        $key = self::trtcUserSigSecretKey();
        $api = new TLSSigAPIv2($sdkAppId, $key);
        $expire = (int)(config('project.trtc.expireTime') ?? config('trtc.expireTime', 86400));

        return $api->genUserSig($botUserId, $expire > 0 ? $expire : 86400);
    }
}