// Code scaffolded by goctl. Safe to edit.
// goctl 1.9.2

package menu

import (
	"context"
	"fmt"

	"github.com/youruser/base/internal/svc"
	"github.com/youruser/base/internal/types"
	"github.com/youruser/base/model"

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

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

// 删除菜单
func NewDeleteMenuLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeleteMenuLogic {
	return &DeleteMenuLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *DeleteMenuLogic) DeleteMenu(req *types.DeleteMenuRequest) (resp *types.Response, err error) {
	// 检查是否有子菜单
	hasChildren, err := model.MenuHasChildren(l.ctx, l.svcCtx.DB, req.Id)
	if err != nil {
		return nil, fmt.Errorf("检查子菜单失败: %v", err)
	}
	if hasChildren {
		return &types.Response{
			Code:    400,
			Message: "该菜单下有子菜单，无法删除",
			Success: false,
		}, nil
	}

	err = model.MenuDelete(l.ctx, l.svcCtx.DB, req.Id)
	if err != nil {
		return nil, fmt.Errorf("删除菜单失败: %v", err)
	}

	return &types.Response{
		Code:    0,
		Message: "删除成功",
		Success: true,
	}, nil
}