package coupon

import (
	"CouponBackendGo/internal/dao"
	"CouponBackendGo/internal/model/dto"
	"CouponBackendGo/internal/service"
	"context"
	"github.com/gogf/gf/v2/os/gtime"
)

type (
	sCoupon struct{}
)

func init() {
	service.RegisterCoupon(New())
}

func New() service.ICoupon {
	return &sCoupon{}
}

func (s *sCoupon) GetCouponList(ctx context.Context, pageNo int, pageSize int) (couponList []*dto.DtoCoupon, err error) {
	err = dao.Coupon.Ctx(ctx).Where("deleted", 0).Order("updated_at desc, end_time desc").Page(pageNo, pageSize).Scan(&couponList)
	if err != nil {
		return nil, err
	}
	return
}

func (s *sCoupon) GetCouponListTotal(ctx context.Context) (total int, err error) {
	total, err = dao.Coupon.Ctx(ctx).Where("deleted", 0).Count()
	if err != nil {
		return 0, err
	}
	return
}

func (s *sCoupon) GetCoupon(ctx context.Context, id int) (coupon *dto.DtoCoupon, err error) {
	err = dao.Coupon.Ctx(ctx).WherePri(id).Scan(&coupon)
	coupon.Status = 0 //待使用期
	if coupon.StartTime.Unix() <= gtime.Now().Unix() {
		if coupon.EndTime.Unix() <= gtime.Now().Unix() {
			coupon.Status = 2 //使用期后
		} else {
			coupon.Status = 1 //使用期中
		}
	}
	if err != nil {
		return nil, err
	}
	return
}