<?php

namespace ThirdParty\Urs\Webhook;

use App\Module\ThirdParty\Models\ThirdPartyService as ServiceModel;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\DB;

/**
 * URS充值通知Webhook处理器
 *
 * 专门处理充值相关的Webhook通知
 */
class UrsDepositWebhook extends \ThirdParty\Urs\Webhook\WebhookReceiver
{

    /**
     * 构造函数
     *
     * @param string $serviceCode 服务代码
     * @param Request $request 请求对象
     * @param ServiceModel $service 服务配置对象
     */
    public function __construct(string $serviceCode, Request $request, ServiceModel $service)
    {
        parent::__construct($serviceCode, $request, $service);
    }

    /**
     * 处理充值通知
     *
     * @param string $action 操作类型（固定为deposit）
     * @param Request $request 请求对象
     * @return array
     * @throws \Exception
     */
    protected function handler(string $action, Request $request): array
    {
        // 验证操作类型
        if ($action !== 'deposit') {
            throw new \Exception("此处理器只能处理deposit操作，当前操作: {$action}");
        }

        // 验证必需字段
        $this->validateDepositRequest($request);

        // 处理充值通知
        return $this->processDepositNotification($request->get('user_id'), $request->get('amount'), $request->get('order_id'));
    }

    /**
     * 验证充值请求
     *
     * @param Request $request 请求对象
     * @throws \Exception
     */
    protected function validateDepositRequest(Request $request): void
    {
        $requiredFields = [ 'user_id', 'amount', 'order_id' ];

        foreach ($requiredFields as $field) {
            if (!$request->has($field)) {
                throw new \Exception("缺少必需字段: {$field}");
            }
        }

        // 验证用户ID
        $userId = $request->input('user_id');
        if (!is_numeric($userId) || $userId <= 0) {
            throw new \Exception('用户ID格式无效');
        }

        // 验证金额
        $amount = $request->input('amount');
        if (!is_numeric($amount) || $amount <= 0) {
            throw new \Exception('充值金额必须大于0');
        }

        // 验证订单ID
        $orderId = $request->input('order_id');
        if (empty($orderId)) {
            throw new \Exception('订单ID不能为空');
        }

    }

    /**
     * 处理充值通知
     *
     * @param int $user_id URS用户ID
     * @param string $amount 充值金额
     * @param string $order_id URS订单ID
     * @return array
     */
    protected function processDepositNotification($user_id, $amount, $order_id): array
    {
        // 记录处理日志
        Log::info("URS充值通知处理开始", [
            'urs_user_id' => $user_id,
            'amount'      => $amount,
            'order_id'    => $order_id,
            'request_id'  => $this->getRequestId(),
        ]);

        try {
            /**
             * 三方应用ID
             * @var int $thirdPartyAppId
             */
            $thirdPartyAppId = $this->service->id;

            // 1. 根据URS用户ID获取农场用户ID
            $farmUserId = \App\Module\UrsPromotion\Services\UrsUserMappingService::getFarmUserId($user_id);

            if (!$farmUserId) {
                Log::error("URS充值失败：未找到用户映射关系", [
                    'urs_user_id' => $user_id,
                    'order_id'    => $order_id,
                ]);
                throw new \Exception("用户未进入农场系统，无法完成充值");
            }

            // 2. 开启数据库事务并使用Transfer模块完成充值钻石操作
            $result = DB::transaction(function () use ($thirdPartyAppId, $farmUserId, $user_id, $amount, $order_id) {
                return \App\Module\Transfer\Services\TransferThirdPartyService::createRechargeOrder(
                    thirdPartyAppId: $thirdPartyAppId,
                    farmUserId: $farmUserId,
                    thirdPartyUserId: (string)$user_id,
                    thirdPartyAmount: $amount,
                    order_id: $order_id,
                    remark: "URS充值 - 订单号: {$order_id}",
                    callbackData: [
                        'urs_order_id' => $order_id,
                        'urs_user_id' => $user_id,
                        'source' => 'urs_deposit_webhook'
                    ]
                );
            });

            // 3. 检查充值结果
            if (is_string($result)) {
                // 充值失败
                Log::error("URS充值失败", [
                    'urs_user_id'        => $user_id,
                    'farm_user_id'       => $farmUserId,
                    'third_party_app_id' => $thirdPartyAppId,
                    'amount'             => $amount,
                    'order_id'           => $order_id,
                    'error'              => $result,
                ]);
                throw new \Exception("充值失败: {$result}");
            }

            // 4. 充值成功，记录成功日志
            Log::info("URS充值成功", [
                'urs_user_id'        => $user_id,
                'farm_user_id'       => $farmUserId,
                'third_party_app_id' => $thirdPartyAppId,
                'amount'             => $amount,
                'order_id'           => $order_id,
                'transfer_order_id'  => $result->id,
                'business_id'        => $result->out_order_id,
                'actual_amount'      => $result->out_amount,
            ]);

            // 5. 返回成功响应
            return [
                'rorder_id' => $result->out_order_id, // 返回Transfer模块生成的业务订单ID
                'transfer_order_id' => $result->id,   // Transfer模块的内部订单ID
                'actual_amount' => $result->out_amount, // 实际到账金额
                'status' => 'success'
            ];

        } catch (\Exception $e) {
            // 记录异常日志
            Log::error("URS充值处理异常", [
                'urs_user_id' => $user_id,
                'amount'      => $amount,
                'order_id'    => $order_id,
                'error'       => $e->getMessage(),
                'trace'       => $e->getTraceAsString(),
            ]);

            // 重新抛出异常，让上层处理
            throw $e;
        }
    }


}