package biz

import (
	"context"
	"encoding/json"
	"fmt"
	"github.com/go-kratos/kratos/v2/errors"
	"time"
	err2 "voucher/api/err"
	v1 "voucher/api/v1"
	"voucher/internal/biz/bo"
	"voucher/internal/biz/vo"
)

func (v *VoucherBiz) CmbOrder(ctx context.Context, request *v1.CmbRequest) (*v1.CmbReply, error) {

	order, err := v.cmbOrder(ctx, request)

	if err != nil {
		return v.OrderFail(ctx, err)
	}

	reply, err := v.OrderSuccess(ctx, order.OrderNo)
	if err != nil {
		return nil, err
	}

	_ = v.bbToWx(ctx, order, reply)

	return reply, nil
}

func (v *VoucherBiz) cmbOrder(ctx context.Context, request *v1.CmbRequest) (*bo.OrderBo, error) {

	bizContent, err := v.CmbMixRepo.OrderVerify(ctx, request)
	if err != nil {
		return nil, err
	}

	product, err3 := v.ProductRepo.GetByProductNo(ctx, bizContent.ActivityId)
	if err3 != nil {
		return nil, err
	}

	order, err := v.Order(ctx, product, bizContent)
	if err != nil {
		return nil, err
	}

	order.MiniMum = product.MiniMum
	order.CouponValue = product.Amount

	return order, nil
}

func (v *VoucherBiz) Order(ctx context.Context, product *bo.ProductBo, bizContent *v1.CmbOrderRequest) (order *bo.OrderBo, err error) {

	order, err = v.OrderRepo.GetByOutBizNo(ctx, vo.OrderTypeCmb, bizContent.TransactionId)
	if err != nil && !err2.IsDbNotFound(err) {
		return order, err
	}

	if order != nil {

		if order.Status.IsFail() || order.Status.IsIng() {

			if err4 := v.orderRetry(ctx, order); err4 != nil {
				return order, err4
			}
		}

		return order, err
	}

	order, err = v.order(ctx, product, bizContent)
	if err != nil {
		return nil, err
	}

	return order, nil
}

func (v *VoucherBiz) order(ctx context.Context, product *bo.ProductBo, bizContent *v1.CmbOrderRequest) (*bo.OrderBo, error) {

	req := &bo.OrderCreateReqBo{
		OutBizNo:    bizContent.TransactionId,
		ProductNo:   bizContent.ActivityId,
		Account:     bizContent.CmbUid,
		AppID:       bizContent.AppId,
		Attach:      bizContent.Attach,
		AccountType: vo.OrderAccountTypeOpenId,
		Type:        vo.OrderTypeCmb,
		NotifyUrl:   v.bc.Cmb.NotifyUrl,
	}

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

	_ = v.cmbToBB(ctx, bizContent)

	//voucherNo, err := v.WechatCpnRepo.Order(ctx, order)
	//if err != nil {
	//	if err3 := v.fail(ctx, order, err); err3 != nil {
	//		return nil, err3
	//	}
	//	return nil, err
	//}

	//休眠100微妙
	time.Sleep(time.Millisecond * 100)
	//mock发券成功,测试使用
	voucherNo := order.OrderNo

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

	return order, nil
}

func (v *VoucherBiz) orderRetry(ctx context.Context, order *bo.OrderBo) error {

	// mock发券成功,测试使用
	voucherNo := order.OrderNo

	//voucherNo, err := v.WechatCpnRepo.Order(ctx, order)

	//if err != nil {
	//	if err3 := v.fail(ctx, order, err); err3 != nil {
	//		return err3
	//	}
	//	return err
	//}

	return v.success(ctx, order, voucherNo)
}

func (v *VoucherBiz) create(ctx context.Context, req *bo.OrderCreateReqBo, product *bo.ProductBo) (*bo.OrderBo, error) {

	o := &bo.OrderBo{
		OrderNo:     v.GenerateMixRepo.GeneratorString(ctx, fmt.Sprintf("%d%s", req.Type, req.OutBizNo)),
		OutBizNo:    req.OutBizNo,
		ProductNo:   req.ProductNo,
		Account:     req.Account,
		AppID:       req.AppID,
		MerchantNo:  product.MchId,
		Channel:     product.Channel,
		BatchNo:     product.BatchNo,
		NotifyUrl:   req.NotifyUrl,
		AccountType: vo.OrderAccountTypeOpenId,
		Type:        req.Type,
		Status:      vo.OrderStatusIng, // 同步发放，状态至为发放中
		Attach:      req.Attach,
	}

	return v.OrderRepo.Create(ctx, o)
}

func (v *VoucherBiz) ing(ctx context.Context, id uint64) error {

	return v.OrderRepo.Ing(ctx, id)
}

func (v *VoucherBiz) success(ctx context.Context, order *bo.OrderBo, voucherNo string) error {
	order.VoucherNo = voucherNo
	return v.OrderRepo.Success(ctx, order.ID, voucherNo)
}

func (v *VoucherBiz) fail(ctx context.Context, order *bo.OrderBo, errReq error) error {

	if err := v.OrderRepo.Fail(ctx, order.ID, errReq.Error()); err != nil {
		return err
	}

	if err2.IsWechatAccountFail(errReq) || err2.IsWechatUserMaxCoupons(errReq) {
		return nil // 过滤调该类型错误通知
	}

	return v.alarm(ctx, order, errReq.Error())
}

func (v *VoucherBiz) UpdateOrderStatus(ctx context.Context, orderId uint64, status vo.OrderStatus) error {

	if status.IsSuccess() {

		return v.OrderRepo.Available(ctx, orderId)

	} else if status.IsUse() {

		return v.OrderRepo.Used(ctx, orderId)

	} else if status.IsExpired() {

		return v.OrderRepo.Expired(ctx, orderId)
	}

	return fmt.Errorf("notice 未知券状态,orderId:%d,statuText:%s", orderId, status.GetText())
}

func (c *VoucherBiz) OrderSuccess(ctx context.Context, orderNo string) (*v1.CmbReply, error) {

	bizReply := &v1.CmbOrderReply{
		RespCode: vo.CmbResponseStatusSuccess.GetValue(),
		RespMsg:  "成功",
		CodeNo:   orderNo,
	}

	replyBizContent, _ := json.Marshal(bizReply)

	return c.GetResponse(ctx, replyBizContent)
}

func (c *VoucherBiz) OrderFail(ctx context.Context, err error) (*v1.CmbReply, error) {

	se := errors.FromError(err)

	if len(se.Reason) == 0 {
		se.Reason = err2.CmbErr_CMB_UNKNOWN.String()
	}

	bizReply := &v1.CmbOrderReply{
		RespCode:     vo.CmbResponseStatusFail.GetValue(),
		RespMsg:      se.Message,
		CodeNo:       "",
		ThirdErrCode: se.Reason,
	}

	replyBizContent, _ := json.Marshal(bizReply)

	return c.GetResponse(ctx, replyBizContent)
}