package logic

import (
	"context"

	"healthapi/internal/model"
	"healthapi/internal/svc"
	"healthapi/internal/types"
	"healthapi/pkg/errorx"

	"github.com/zeromicro/go-zero/core/logx"
)

type ClearCartLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewClearCartLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ClearCartLogic {
	return &ClearCartLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *ClearCartLogic) ClearCart() (resp *types.CommonResp, err error) {
	userID, err := GetUserIDFromCtx(l.ctx)
	if err != nil {
		return nil, errorx.ErrUnauthorized
	}

	l.svcCtx.DB.Where("user_id = ?", userID).Delete(&model.CartItem{})

	return &types.CommonResp{
		Code:    0,
		Message: "购物车已清空",
	}, nil
}