package pay

import (
	"context"
	"yunyan/comm"
	"yunyan/pb"
	"yunyan/sys/pay/appleiap"
	"yunyan/utils"
	"fmt"
	"time"
)

// AppleIAPNotify 参考支付异步通知的风格：先校验，再更新订单并发货
// 说明：网关层解析 JSON/values 后封装到 PB 对象传入
func (this *apiComp) AppleIAPNotify(session comm.IUserSession, req *pb.PayAppleIAPNotifyReq) (resp []byte, errdata *pb.ErrorData) {
	var (
		user *pb.DBUser
	)
	ctx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
	defer cancel()
	var ok bool
	var err error
	if req.UseTransactionId {
		ok, err = appleiap.VerifyTransaction(ctx, req.ReceiptData)
	} else {
		ok, err = appleiap.VerifyReceipt(ctx, req.ReceiptData)
	}
	if err != nil || !ok {
		errdata = &pb.ErrorData{Code: pb.ErrorCode_PayNotifyDecryptFail, Message: "Apple IAP 校验失败:" + fmt.Sprintf("%v", err)}
		return
	}

	// 查订单，按支付成功流程发货
	model, err := this.module.model.getPayOrder(req.OrderId)
	if err != nil {
		resp = []byte(utils.ToString(map[string]string{"code": "Fail", "message": fmt.Sprintf("订单不存在: %s", req.OrderId)}))
		return
	}
	if model.Status != pb.PayOrderStatus_PAY_ORDER_PENDING {
		resp = []byte(utils.ToString(map[string]string{"code": "SUCCESS", "message": "成功"}))
		return
	}
	// 4. 查询用户信息
	if user, err = this.module.model.getUser(model.Uid); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Message: "查询用户信息失败:" + err.Error(),
		}
		return
	}
	model.Status = pb.PayOrderStatus_PAY_ORDER_PAID
	model.PayTime = time.Now().Unix()
	if err = this.deliverResourceByOrder(user, model); err != nil {
		resp = []byte(utils.ToString(map[string]string{"code": "Fail", "message": fmt.Sprintf("发货资源失败: %v", err)}))
		return
	}
	if err = this.module.model.updatePayOrder(model); err != nil {
		resp = []byte(utils.ToString(map[string]string{"code": "Fail", "message": fmt.Sprintf("更新订单状态失败: %v", err)}))
		return
	}
	resp = []byte(utils.ToString(map[string]string{"code": "SUCCESS", "message": "成功"}))
	return
}