using Infrastructure.Attribute;
using Infrastructure.Extensions;
using ZR.LiveForum.Model.Liveforum.Dto;
using ZR.LiveForum.Model.Liveforum;
using ZR.Repository;
using ZR.Service.Liveforum.ILiveforumService;

namespace ZR.Service.Liveforum
{
    /// <summary>
    /// 等级配置Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IT_UserLevelsService), ServiceLifetime = LifeTime.Transient)]
    public class T_UserLevelsService : BaseService<T_UserLevels>, IT_UserLevelsService
    {
        /// <summary>
        /// 查询等级配置列表
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public PagedInfo<T_UserLevelsDto> GetList(T_UserLevelsQueryDto parm)
        {
            var predicate = QueryExp(parm);

            var response = Queryable()
                //.OrderBy("Id asc")
                .Where(predicate.ToExpression())
                .ToPage<T_UserLevels, T_UserLevelsDto>(parm);

            return response;
        }


        /// <summary>
        /// 获取详情
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        public T_UserLevels GetInfo(int Id)
        {
            var response = Queryable()
                .Where(x => x.Id == Id)
                .First();

            return response;
        }

        /// <summary>
        /// 添加等级配置
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public T_UserLevels AddT_UserLevels(T_UserLevels model)
        {
            return Insertable(model).ExecuteReturnEntity();
        }

        /// <summary>
        /// 修改等级配置
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public int UpdateT_UserLevels(T_UserLevels model)
        {
            return Update(model, true);
        }

        /// <summary>
        /// 导出等级配置
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public PagedInfo<T_UserLevelsDto> ExportList(T_UserLevelsQueryDto parm)
        {
            parm.PageNum = 1;
            parm.PageSize = 100000;
            var predicate = QueryExp(parm);

            var response = Queryable()
                .Where(predicate.ToExpression())
                .Select((it) => new T_UserLevelsDto()
                {
                    IsActiveLabel = it.IsActive.GetConfigValue<Model.System.SysDictData>("sys_common_status_bool"),
                }, true)
                .ToPage(parm);

            return response;
        }

        /// <summary>
        /// 查询导出表达式
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        private static Expressionable<T_UserLevels> QueryExp(T_UserLevelsQueryDto parm)
        {
            var predicate = Expressionable.Create<T_UserLevels>();

            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.LevelName), it => it.LevelName.Contains(parm.LevelName));
            return predicate;
        }
    }
}