package topuplogic

import (
	"context"
	"errors"
	"github.com/smartwalle/alipay/v3"
	"math"
	"net/url"
	"strconv"
	"tianyuan-api/apps/user/user"

	"tianyuan-api/apps/sentinel/internal/svc"
	"tianyuan-api/apps/sentinel/sentinel"

	"github.com/zeromicro/go-zero/core/logx"
)

type AliTopUpNotifyLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewAliTopUpNotifyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AliTopUpNotifyLogic {
	return &AliTopUpNotifyLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

func (l *AliTopUpNotifyLogic) AliTopUpNotify(in *sentinel.AliTopUpNotifyRequest) (*sentinel.AliTopUpNotifyResponse, error) {
	globalErr := errors.New("error")
	// 初始化支付宝客户端
	client := l.svcCtx.AlipayClient

	// 解析表单数据
	formData, err := url.ParseQuery(in.RawForm)
	if err != nil {
		l.Logger.Errorf("解析表单数据失败: %v", err)
		return nil, globalErr
	}

	// 验证签名并解析通知
	notify, err := client.DecodeNotification(formData)
	if err != nil {
		l.Logger.Errorf("通知解析失败: %v", err)
		return nil, globalErr
	}

	// 验证交易状态
	if notify.TradeStatus == alipay.TradeStatusSuccess {
		l.Logger.Infof("订单 %s 支付成功", notify.OutTradeNo)
		payOrder, findErr := l.svcCtx.PayOrderModel.FindOneByOutTradeNo(l.ctx, notify.OutTradeNo)
		if findErr != nil {
			return nil, globalErr
		}
		if payOrder.OutTradeNo == notify.OutTradeNo && payOrder.Status == 0 {
			notifyAmount, parseFloatErr := strconv.ParseFloat(notify.TotalAmount, 64)
			if parseFloatErr != nil {
				logx.Errorf("金额转换错误: %v", parseFloatErr)
				return nil, globalErr
			}
			logx.Infof("回调金额：%v，订单金额%v", notify.TotalAmount, payOrder.Amount)
			// 比较支付宝返回的金额与数据库存储的金额
			if math.Abs(notifyAmount-payOrder.Amount) < 1e-6 {
				payOrder.Status = 1
				updateErr := l.svcCtx.PayOrderModel.Update(l.ctx, payOrder)
				if updateErr != nil {
					return nil, globalErr
				}
				_, rechargeWallet := l.svcCtx.WalletRpc.RechargeWallet(l.ctx, &user.RechargeWalletRequest{
					UserId:        payOrder.UserId,
					OutTradeNo:    payOrder.OutTradeNo,
					Amount:        int64(payOrder.Amount),
					PaymentMethod: 0,
				})
				if rechargeWallet != nil {
					return nil, globalErr
				}
			} else {
				return nil, globalErr
			}
		}
	} else {
		l.Logger.Infof("订单 %s 支付状态: %s", notify.OutTradeNo, notify.TradeStatus)
	}

	// 返回成功响应
	return &sentinel.AliTopUpNotifyResponse{Success: true}, nil
}