package logic

import (
	"context"

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

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

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

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

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

	if len(req.Ids) == 0 {
		// 全选/全不选
		l.svcCtx.DB.Model(&model.CartItem{}).Where("user_id = ?", userID).Update("selected", req.Selected)
	} else {
		// 批量选择指定项
		l.svcCtx.DB.Model(&model.CartItem{}).
			Where("user_id = ? AND id IN ?", userID, req.Ids).
			Update("selected", req.Selected)
	}

	return &types.CommonResp{
		Code:    0,
		Message: "操作成功",
	}, nil
}