package biz

import (
	"context"
	"fmt"
	"time"
	err2 "voucher/api/err"
	v1 "voucher/api/v1"
	"voucher/internal/biz/bo"
	"voucher/internal/biz/vo"
	"voucher/internal/pkg/helper"
	"voucher/internal/pkg/lock"
)

func (v *VoucherBiz) CmbOrder(ctx context.Context, req *bo.OrderCreateReqBo) (orderNo string, err error) {

	bizCtx := helper.CopyValueCtx(ctx)

	c := vo.CmbOrderLockKey.BuildCache([]string{req.OutBizNo, req.Type.String()})

	err = lock.NewMutex(v.rdb.Rdb, c.TTL).Lock(bizCtx, c.Key, func(bizCtx context.Context) error {

		// 压测商品直接过
		if req.ProductNo != "001" {

			order, err := v.OrderRepo.GetByOutBizNo(bizCtx, vo.OrderTypeCmb, req.OutBizNo)

			if err != nil && !err2.IsDbNotFound(err) {
				return err
			}

			if order != nil {

				if order.Status.IsFail() {

					if err = v.orderRetry(bizCtx, order); err != nil {
						return err
					}
				}

				orderNo = order.OrderNo
				return nil
			}
		}

		product, err := v.ProductRepo.GetByProductNo(bizCtx, req.ProductNo)
		if err != nil {
			return err
		}

		order, err := v.order(bizCtx, req, product)
		if err != nil {
			return err
		}

		orderNo = order.OrderNo

		return nil
	})

	return
}

func (v *VoucherBiz) CmbQuery(ctx context.Context, orderNo string) (resp *v1.CmbQueryReply, err error) {

	c := vo.CmbQueryLockKey.BuildCache([]string{orderNo})

	err = lock.NewMutex(v.rdb.Rdb, c.TTL).Lock(ctx, c.Key, func(ctx context.Context) error {

		order, err := v.OrderRepo.GetByOrderNo(ctx, orderNo)
		if err != nil {
			return err
		}

		if err = v.Query(ctx, order); err != nil {
			return err
		}

		status, err := order.Status.GetCmbStatusText()
		if err != nil {
			return err
		}

		resp = &v1.CmbQueryReply{
			Ticket:    order.OrderNo,
			Status:    status.GetValue(),
			TransDate: time.Now().Format("20060102150405"),
			OrgNo:     v.bc.Cmb.OrgNo,
			Ext:       "",
		}

		return nil
	})

	return
}

func (v *VoucherBiz) CmbProductQuery(ctx context.Context, productNo string) (reps *v1.CmbQueryProductReply, err error) {

	c := vo.CmbProductQueryLockKey.BuildCache([]string{productNo})

	err = lock.NewMutex(v.rdb.Rdb, c.TTL).Lock(ctx, c.Key, func(ctx context.Context) error {

		product, err := v.ProductRepo.GetByProductNo(ctx, productNo)
		if err != nil {
			return err
		}

		if !product.Channel.IsWeChat() {
			return fmt.Errorf("只支持微信")
		}

		wechatResp, err := v.WechatCpnRepo.QueryProduct(ctx, product.MchId, product.BatchNo)
		if err != nil {
			return err
		}

		reps = &v1.CmbQueryProductReply{
			RespCode:       vo.CmbResponseStatusSuccess.GetValue(),
			RespMsg:        "成功",
			ActivityName:   product.Name,
			ActivityId:     product.ProductNo,
			Amount:         "",
			MinAmount:      "",
			AvailableType:  "",
			AvailableDays:  "", // 动态有效期天数
			StartTime:      "",
			EndTime:        "",
			AvailableStock: "",
			Detail:         *wechatResp.Description,
		}

		inputFormat := time.RFC3339

		if wechatResp.AvailableBeginTime != nil {
			availableBeginTime, _ := time.Parse(inputFormat, *wechatResp.AvailableBeginTime)
			reps.StartTime = availableBeginTime.Format(time.DateTime)
			reps.SaleStartTime = reps.StartTime

			reps.SaleStartTime = reps.StartTime
		}

		if wechatResp.AvailableEndTime != nil {
			availableEndTime, _ := time.Parse(inputFormat, *wechatResp.AvailableEndTime)
			reps.EndTime = availableEndTime.Format(time.DateTime)
			reps.SaleEndTime = reps.EndTime

			reps.SaleEndTime = reps.EndTime
		}

		reps.Amount = fmt.Sprintf("%d", *wechatResp.StockUseRule.FixedNormalCoupon.CouponAmount)
		reps.MinAmount = fmt.Sprintf("%d", *wechatResp.StockUseRule.FixedNormalCoupon.TransactionMinimum)

		availableStock := *wechatResp.StockUseRule.MaxCoupons - *wechatResp.DistributedCoupons
		reps.AvailableStock = fmt.Sprintf("%d", availableStock)

		availableType, err := product.AvailableType.GetCmbAvailableType()
		if err != nil {
			return err
		}

		reps.AvailableType = availableType.GetValue()
		reps.AvailableDays = fmt.Sprintf("%d", product.AvailableDays)

		return nil
	})

	return
}