using langguanApi.Extensions.AutoDI;
using langguanApi.Model;
using langguanApi.Model.Dto.SystemConfigurationDto;
using langguanApi.Model.SystemConfigurationEntity;
using Mapster;
using System.Linq.Expressions;

namespace langguanApi.Service
{
    /// <summary>
    ///  菜单服务
    /// </summary>
    [ServiceInjection(InjectionType.Transient)]
    public class MeauService : BaseService<Meau>
    {
        public MeauService(IConfiguration config) : base(config, nameof(Meau))
        {
        }

        /// <summary>
        /// 获取菜单列表
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<object> GetMeauList(reqpage input)
        {
            Expression<Func<Meau, bool>> exp = filter =>filter.IsDelete == false;
            if (!string.IsNullOrEmpty(input.key))
            {
                exp=filter => filter.MenuName.Contains(input.key);
            }
            return await base.GetPager(new ReqPaing()
            {
                pageSize = input.pageSize,
                current = input.current
            }, exp);
        }


        /// <summary>
        /// 新加
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<ApiResult> AddMeau(MeauDto input)
        {
            if (await Exist(input))
            {
                return new ApiResult { code = 1, msg = $"{input.MenuName}的菜单已存在" };
            }
            var entity = input.Adapt<Meau>();
            if (entity != null)
            {
                await base.CreateAsync(entity);
                return new ApiResult { code = 0, msg = "" };
            }
            return new ApiResult { code = 1, msg = "菜单添加失败" }; ;
        }
        /// <summary>
        /// 是否存在
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<bool> Exist(MeauDto input)
        {
            var entity = input.Adapt<MeauDto>();
            Expression<Func<Meau, bool>> exp = filter => filter.MenuName == entity.MenuName;
            return await base.Exist(exp);
        }


    }
}