kknongchang_2506/app/Module/Transfer/Services/TransferThirdPartyService.php

<?php

namespace App\Module\Transfer\Services;

use App\Module\Transfer\Dtos\TransferOrderDto;
use App\Module\Transfer\Dtos\TransferFeeDto;
use App\Module\Transfer\Logics\TransferLogic;
use App\Module\Transfer\Models\TransferApp;

/**
 * Transfer模块为ThirdParty模块提供的服务接口
 * 专门为第三方应用提供充值和提现功能
 */
class TransferThirdPartyService
{
    /**
     * 创建充值单（转入订单）
     * 
     * @param int $thirdPartyAppId 三方应用ID
     * @param int $farmUserId 农场用户ID
     * @param string $thirdPartyUserId 三方用户ID
     * @param string $thirdPartyAmount 三方金额
     * @param string|null $remark 备注
     * @param array $callbackData 回调数据
     * @return TransferOrderDto|string 成功返回DTO，失败返回错误信息
     * @throws \Exception
     */
    public static function createRechargeOrder(
        int $thirdPartyAppId,
        int $farmUserId,
        string $thirdPartyUserId,
        string $thirdPartyAmount,
        ?string $remark = null,
        array $callbackData = []
    ): TransferOrderDto|string {
        try {
            // 根据三方应用ID查找对应的Transfer应用配置
            $transferApp = TransferApp::where('out_id3', $thirdPartyAppId)
                ->where('is_enabled', true)
                ->first();

            if (!$transferApp) {
                return '未找到对应的划转应用配置或应用已禁用';
            }

            // 检查应用是否支持转入
            if (!$transferApp->supportsTransferIn()) {
                return '该应用不支持充值功能或充值功能已被禁用';
            }

            // 生成业务订单ID（使用时间戳+随机字符串）
            $businessId = 'TP_IN_' . date('YmdHis') . '_' . substr(md5(uniqid()), 0, 8);

            // 调用Transfer模块的转入逻辑
            $order = TransferLogic::createTransferIn(
                transferAppId: $transferApp->id,
                userId: $farmUserId,
                businessId: $businessId,
                amount: $thirdPartyAmount,
                outUserId: $thirdPartyUserId,
                remark: $remark,
                callbackData: array_merge($callbackData, [
                    'third_party_app_id' => $thirdPartyAppId,
                    'third_party_user_id' => $thirdPartyUserId,
                    'operation_type' => 'recharge'
                ])
            );

            return TransferOrderDto::fromModel($order);
        } catch (\Exception $e) {
            \Illuminate\Support\Facades\Log::error('ThirdParty recharge order creation failed', [
                'third_party_app_id' => $thirdPartyAppId,
                'farm_user_id' => $farmUserId,
                'third_party_user_id' => $thirdPartyUserId,
                'amount' => $thirdPartyAmount,
                'error' => $e->getMessage()
            ]);

            return $e->getMessage();
        }
    }

    /**
     * 创建提现单（转出订单）
     *
     * @param int $thirdPartyAppId 三方应用ID
     * @param int $farmUserId 农场用户ID
     * @param string $thirdPartyUserId 三方用户ID
     * @param string $thirdPartyAmount 三方金额（外部金额）
     * @param string|null $remark 备注
     * @param array $callbackData 回调数据
     * @return TransferOrderDto|string 成功返回DTO，失败返回错误信息
     * @throws \Exception
     */
    public static function createWithdrawOrder(
        int $thirdPartyAppId,
        int $farmUserId,
        string $thirdPartyUserId,
        string $thirdPartyAmount,
        ?string $remark = null,
        array $callbackData = []
    ): TransferOrderDto|string {
        try {
            // 根据三方应用ID查找对应的Transfer应用配置
            $transferApp = TransferApp::where('out_id3', $thirdPartyAppId)
                ->where('is_enabled', true)
                ->first();

            if (!$transferApp) {
                return '未找到对应的划转应用配置或应用已禁用';
            }

            // 检查应用是否支持转出
            if (!$transferApp->supportsTransferOut()) {
                return '该应用不支持提现功能或提现功能已被禁用';
            }

            // 调用Transfer模块的第三方转出逻辑（跳过密码验证）
            // 注意：这里传递的是外部金额，createTransferOutForThirdParty内部会进行金额转换
            $order = TransferLogic::createTransferOutForThirdParty(
                transferAppId: $transferApp->id,
                userId: $farmUserId,
                amount: $thirdPartyAmount, // 传递外部金额
                outUserId: $thirdPartyUserId,
                remark: $remark,
                callbackData: array_merge($callbackData, [
                    'third_party_app_id' => $thirdPartyAppId,
                    'third_party_user_id' => $thirdPartyUserId,
                    'operation_type' => 'withdraw'
                ])
            );

            return TransferOrderDto::fromModel($order);
        } catch (\Exception $e) {
            \Illuminate\Support\Facades\Log::error('ThirdParty withdraw order creation failed', [
                'third_party_app_id' => $thirdPartyAppId,
                'farm_user_id' => $farmUserId,
                'third_party_user_id' => $thirdPartyUserId,
                'third_party_amount' => $thirdPartyAmount,
                'error' => $e->getMessage()
            ]);

            return $e->getMessage();
        }
    }

    /**
     * 根据三方应用ID获取Transfer应用配置
     * 
     * @param int $thirdPartyAppId 三方应用ID
     * @return TransferApp|null
     */
    public static function getTransferAppByThirdPartyId(int $thirdPartyAppId): ?TransferApp
    {
        return TransferApp::where('out_id3', $thirdPartyAppId)
            ->where('is_enabled', true)
            ->first();
    }

    /**
     * 检查三方应用是否支持充值
     * 
     * @param int $thirdPartyAppId 三方应用ID
     * @return bool
     */
    public static function supportsRecharge(int $thirdPartyAppId): bool
    {
        $transferApp = self::getTransferAppByThirdPartyId($thirdPartyAppId);
        
        return $transferApp && $transferApp->supportsTransferIn();
    }

    /**
     * 检查三方应用是否支持提现
     * 
     * @param int $thirdPartyAppId 三方应用ID
     * @return bool
     */
    public static function supportsWithdraw(int $thirdPartyAppId): bool
    {
        $transferApp = self::getTransferAppByThirdPartyId($thirdPartyAppId);
        
        return $transferApp && $transferApp->supportsTransferOut();
    }

    /**
     * 获取三方应用的手续费配置
     * 
     * @param int $thirdPartyAppId 三方应用ID
     * @return array
     */
    public static function getFeeConfig(int $thirdPartyAppId): array
    {
        $transferApp = self::getTransferAppByThirdPartyId($thirdPartyAppId);
        
        if (!$transferApp) {
            return [
                'error' => '未找到对应的划转应用配置',
                'recharge' => ['rate' => 0, 'min' => 0, 'max' => 0, 'enabled' => false],
                'withdraw' => ['rate' => 0, 'min' => 0, 'max' => 0, 'enabled' => false],
            ];
        }

        return [
            'recharge' => [
                'rate' => $transferApp->fee_in_rate,
                'min' => $transferApp->fee_in_min,
                'max' => $transferApp->fee_in_max,
                'enabled' => $transferApp->isFeeEnabled('in'),
            ],
            'withdraw' => [
                'rate' => $transferApp->fee_out_rate,
                'min' => $transferApp->fee_out_min,
                'max' => $transferApp->fee_out_max,
                'enabled' => $transferApp->isFeeEnabled('out'),
            ],
            'exchange_rate' => $transferApp->exchange_rate,
            'currency_id' => $transferApp->currency_id,
            'fund_id' => $transferApp->fund_id,
        ];
    }

    /**
     * 计算充值手续费
     *
     * @param int $thirdPartyAppId 三方应用ID
     * @param string $amount 充值金额
     * @return TransferFeeDto
     */
    public static function calculateRechargeFee(int $thirdPartyAppId, string $amount): TransferFeeDto
    {
        $transferApp = self::getTransferAppByThirdPartyId($thirdPartyAppId);

        if (!$transferApp) {
            return TransferFeeDto::error(
                originalAmount: $amount,
                errorMessage: '未找到对应的划转应用配置'
            );
        }

        // 将三方金额转换为农场内部金额（充值：外部金额转内部金额）
        $internalAmount = bcmul($amount, (string) $transferApp->exchange_rate, 10);

        // 获取手续费计算结果
        $feeResult = $transferApp->calculateInFee($internalAmount);

        // 将结果转换为DTO
        return TransferFeeDto::fromLegacyArray($feeResult, $amount);
    }

    /**
     * 计算提现手续费
     *
     * @param int $thirdPartyAppId 三方应用ID
     * @param string $amount 提现金额
     * @return TransferFeeDto
     */
    public static function calculateWithdrawFee(int $thirdPartyAppId, string $amount): TransferFeeDto
    {
        $transferApp = self::getTransferAppByThirdPartyId($thirdPartyAppId);

        if (!$transferApp) {
            return TransferFeeDto::error(
                originalAmount: $amount,
                errorMessage: '未找到对应的划转应用配置'
            );
        }

        // 将三方金额转换为农场内部金额（提现：外部金额转内部金额）
        $internalAmount = bcmul($amount, (string) $transferApp->exchange_rate, 10);

        // 获取手续费计算结果
        $feeResult = $transferApp->calculateOutFee($internalAmount);

        // 将结果转换为DTO
        return TransferFeeDto::fromLegacyArray($feeResult, $amount);
    }
}