package payment

import (
	"errors"
	"eta/eta_mini_ht_api/common/exception"
	"eta/eta_mini_ht_api/common/utils/lock"
	"eta/eta_mini_ht_api/common/utils/redis"
	"eta/eta_mini_ht_api/controllers"
	orderDomian "eta/eta_mini_ht_api/domian/order"
	userDomian "eta/eta_mini_ht_api/domian/user"
	"eta/eta_mini_ht_api/service/facade"
	"eta/eta_mini_ht_api/service/order"
	"gorm.io/gorm"
)
import "eta/eta_mini_ht_api/service/user"

type PaymentController struct {
	controllers.BaseController
}

// 支付
type PayRequest struct {
	ProductOrderNo string `json:"productOrderNo"`
}
type PayResponse struct {
	ProductOrderNo string `json:"productOrderNo"`
	TradeOrderNo   string `json:"tradeOrderNo"`
}

// PayOrder  支付订单
// @Summary 支付订单
// @Description 支付订单
// @Success 200 {object} controllers.BaseResponse
// @router /payOrder [post]
func (pc *PaymentController) PayOrder() {
	controllers.Wrap(&pc.BaseController, func() (result *controllers.WrapData, err error) {
		result = pc.InitWrapData("创建支付订单失败")
		payRequest := new(PayRequest)
		pc.GetPostParams(payRequest)
		if payRequest.ProductOrderNo == "" {
			pc.FailedResult("订单编号不能为空", result)
			err = exception.New(exception.IllegalOrderNo)
			return
		}
		userInfo := pc.Data["user"].(user.User)
		defer func() {
			lock.ReleaseLock(redis.GeneratePaymentKey(payRequest.ProductOrderNo), pc.Data["threadId"].(string))
		}()
		if lock.AcquireLock(redis.GeneratePaymentKey(payRequest.ProductOrderNo), 10, pc.Data["threadId"].(string)) {
			//校验商品订单状态
			var productOrder orderDomian.ProductOrderDTO
			productOrder, err = order.GetProductOrderByUser(userInfo.Id, payRequest.ProductOrderNo)
			if err != nil {
				if errors.Is(err, gorm.ErrRecordNotFound) {
					pc.FailedResult("支付失败,商品订单信息不存在", result)
					err = exception.New(exception.IllegalOrderNo)
				} else {
					pc.FailedResult("支付失败,查询商品订单失败", result)
					err = exception.New(exception.IllegalOrderNo)
				}
				return
			}
			if productOrder.Status != "pending" {
				if productOrder.Status == "closed" {
					pc.FailedResult("支付失败,商品订单已关闭", result)
					err = exception.New(exception.IllegalOrderStatus)
				} else {
					pc.FailedResult("支付失败,商品订单状态异常", result)
					err = exception.New(exception.IllegalOrderStatus)
				}
				return
			}
			//1、未发起支付,2、支付到一半退出了，3、支付中
			if productOrder.TradeNo != "" {
				tradeOrder, tradeErr := order.GetTradeOrderByNo(productOrder.TradeNo)
				if tradeErr != nil {
					err = exception.NewWithException(exception.PayTradeOrderFailed, tradeErr.Error())
					pc.FailedResult("支付失败,获取原支付订单信息失败", result)
					return
				}
				if tradeOrder.PaymentStatus != "failed" {
					err = exception.New(exception.PayTradeOrderFailed)
					pc.FailedResult("支付失败,商品订单支付中,请勿重复支付", result)
					return
				}
			}
			//检查商品状态
			err = order.CheckProductStatus(productOrder)
			if err != nil {
				pc.FailedResult("支付失败,商品状态异常", result)
				return
			}
			var officialUser userDomian.OfficialUserDTO
			officialUser, err = user.GetUserByTemplateUserId(userInfo.Id)
			if err != nil {
				pc.FailedResult("支付失败,正式用户信息不存在", result)
			}
			var tradeOrderNo string
			tradeOrderNo, err = facade.PayOrder(officialUser.ID, userInfo.Id, productOrder)
			if err != nil {
				pc.FailedResult("支付订单创建失败", result)
				err = exception.NewWithException(exception.CreatePaymentOrderFailed, err.Error())
				return
			}
			pc.SuccessResult("支付订单创建成功", PayResponse{
				ProductOrderNo: productOrder.OrderID,
				TradeOrderNo:   tradeOrderNo,
			}, result)
			return
		} else {
			pc.FailedResult("商品订单处理中,请稍后再试", result)
			err = exception.New(exception.PaymentProcessingError)
			return
		}
	})
}

//退款

//