using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using IStation.Untity;

namespace IStation.Service
{
    /// <summary>
    /// 系统字典类型
    /// </summary>
    public partial class SysDictType
    {
        #region Cache

        //获取缓存
        private List<Model.SysDictType> GetCache()
        {
            var all = SysDictTypeCacheHelper.GetSet(() =>
            {
                var dal = new DAL.SysDictType();
                var entity_list = dal.GetAll();
                var model_list = Entity2Models(entity_list);
                if (model_list == null)
                {
                    model_list = new List<Model.SysDictType>();
                }
                return model_list;
            }, ConfigHelper.CacheKeepTime, ConfigHelper.CacheRandomTime);
            return all;
        }

        //通过 ID 更新缓存
        private void UpdateCache(long ID)
        {
            var dal = new DAL.SysDictType();
            var entity_ds = dal.GetByID(ID);
            var model_ds = Entity2Model(entity_ds);
            var all = GetCache();
            var model = all.Find(x => x.ID == ID);
            if (model == null)
            {
                all.Add(model_ds);
            }
            else
            {
                model.Reset(model_ds);
            }
        }

        //通过 Ids 更新缓存
        private void UpdateCache(List<long> Ids)
        {
            if (Ids == null || Ids.Count() < 1)
                return;
            var dal = new DAL.SysDictType();
            var entity_list = dal.GetByIds(Ids);
            var model_list = Entity2Models(entity_list);
            var all = GetCache();
            all.RemoveAll(x => Ids.Contains(x.ID));
            if (model_list != null && model_list.Count > 0)
            {
                all.AddRange(model_list);
            }
        }

        //移除缓存
        private void RemoveCache(long ID)
        {
            var all=GetCache();
            all.RemoveAll(x => x.ID == ID);

        }

        #endregion

        #region Query

        /// <summary>
        /// 获取所有
        /// </summary> 
        public List<Model.SysDictType> GetAll()
        {
            var all = GetCache();
            return all.OrderBy(x => x.SortCode).ToList();
        }

        /// <summary>
        /// 通过 ID 获取
        /// </summary>
        public Model.SysDictType GetByID(long ID)
        {
            var all = GetAll();
            return all.Find(x => x.ID == ID);
        }

        /// <summary>
        /// 通过 ID 获取
        /// </summary>
        public List<Model.SysDictType> GetByIds(List<long> Ids)
        {
            if (Ids == null || Ids.Count() < 1)
                return default;
            var all = GetAll();
            return all.Where(x => Ids.Contains(x.ID)).OrderBy(x => x.SortCode).ToList();
        }

        /// <summary>
        /// 获取在用列表
        /// </summary>
        public List<Model.SysDictType> GetUseList()
        {
            var all = GetAll();
            return all.Where(x => x.UseStatus != Model.eUseStatus.Disable).ToList();
        }

        /// <summary>
        /// 获取分页列表
        /// </summary>
        public List<Model.SysDictType> GetPageList( int PageIndex, int PageSize, out int Total)
        {
            Total = 0;
            if (PageIndex < 1 || PageSize < 1)
            {
                return default;
            }
            var all = GetAll();
            if (all == null || all.Count < 1)
            {
                return default;
            }
            Total = all.Count;
            var vm_list = all.OrderBy(x => x.SortCode).Skip((PageIndex - 1) * PageSize).Take(PageSize).ToList();
            return vm_list;
        }

        /// <summary>
        /// 获取在用分页列表
        /// </summary>
        public List<Model.SysDictType> GetUsePageList(int PageIndex, int PageSize, out int Total)
        {
            Total = 0;
            if (PageIndex < 1 || PageSize < 1)
            {
                return default;
            }
            var all = GetUseList();
            if (all == null || all.Count < 1)
            {
                return default;
            }
            Total = all.Count;
            var vm_list = all.OrderBy(x => x.SortCode).Skip((PageIndex - 1) * PageSize).Take(PageSize).ToList();
            return vm_list;
        }

        /// <summary>
        /// 通过 Code 获取
        /// </summary>
        public Model.SysDictType GetByCode(string Code)
        {
            if (string.IsNullOrEmpty(Code))
                return default;
            var all = GetAll();
            return all.Find(x => x.Code == Code);
        }


        #endregion

        #region Insert

        /// <summary>
        /// 添加一条
        /// </summary>
        public long Insert(Model.SysDictType model)
        {
            if (model == null)
                return default;
            var entity = Model2Entity(model);
            var dal = new DAL.SysDictType();
            var id = dal.Insert(entity);
            if (id > 0)
            {
                UpdateCache(id);
            }
            return id;
        }

        /// <summary>
        /// 批量插入
        /// </summary>
        public bool Inserts(List<Model.SysDictType> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var dal = new DAL.SysDictType();
            var entity_list = Model2Entities(list);
            var ids = dal.InsertsR(entity_list);
            if (ids != null && ids.Count > 0)
            {
                UpdateCache(ids);
                return true;
            }
            return false;
        }

        #endregion

        #region Update

        /// <summary>
        /// 更新一条
        /// </summary>
        public bool Update(Model.SysDictType model)
        {
            if (model == null)
                return default;
            var entity = Model2Entity(model);
            var dal = new DAL.SysDictType();
            var bol = dal.Update(entity);
            if (bol)
            {
                UpdateCache(model.ID);
            }
            return bol;
        }

        /// <summary>
        /// 批量更新
        /// </summary>
        public bool Updates(List<Model.SysDictType> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var entity_list = Model2Entities(list.ToList());
            var dal = new DAL.SysDictType();
            var bol = dal.Updates(entity_list);
            if (bol)
            {
                UpdateCache(list.Select(x => x.ID).ToList());
            }
            return bol;
        }

        /// <summary>
        /// 更新排序码
        /// </summary>
        public bool UpdateSortCode(long ID, int SortCode)
        {
            if (ID < 1)
                return default;
            var dal = new DAL.SysDictType();
            var bol = dal.UpdateSortCode(ID, SortCode);
            if (bol)
            {
                UpdateCache(ID);
            }
            return bol;
        }

        /// <summary>
        /// 更新排序
        /// </summary>
        public bool UpdateSorter(List<Model.Sorter> sorters)
        {
            if (sorters == null || sorters.Count() < 1)
                return default;
            var dal = new DAL.SysDictType();
            var bol = dal.UpdateSorter(sorters.ToEntityList());
            if (bol)
            {
                UpdateCache(sorters.Select(x => x.ID).ToList());
            }
            return bol;
        }

        /// <summary>
        /// 更新使用状态
        /// </summary>
        public bool UpdateUseStatus(long ID, Model.eUseStatus UseStatus)
        {
            if (ID < 1)
                return default;
            var dal = new DAL.SysDictType();
            var bol = dal.UpdateUseStatus(ID, (int)UseStatus);
            if (bol)
            {
                UpdateCache(ID);
            }
            return bol;
        }


        #endregion

        #region Exist

        /// <summary>
        /// 根据 ID 判断是否存在
        /// </summary>
        public bool IsExistByID(long ID)
        {
            var all = GetAll();
            return all.Exists(x => x.ID == ID);
        }

        /// <summary>
        /// 判断Code是否存在
        /// </summary>
        public bool IsExistCode(string Code) 
        {
            if (string.IsNullOrEmpty(Code))
                return default;
            var all = GetAll();
            if (all == null || all.Count < 1)
                return default;
            return all.Exists(x => !string.IsNullOrEmpty(x.Code) && x.Code.ToUpper() == Code.ToUpper());
        }

        /// <summary>
        ///  判断Code是否存在 ExceptID
        /// </summary>
        public bool IsExistCodeExceptID(string Code, long ExceptID)
        {
            if (string.IsNullOrEmpty(Code))
                return default;
            var all = GetAll();
            if (all == null || all.Count < 1)
                return default;
            return all.Exists(x => !string.IsNullOrEmpty(x.Code) && x.Code.ToUpper() == Code.ToUpper() && x.ID != ExceptID);
        }

        #endregion

        #region Delete

        /// <summary>
        /// 通过 ID 删除
        /// </summary>
        public bool DeleteByID(long ID,out string Msg)
        {
            Msg = string.Empty;
            if (new SysDictData().IsExistByTypeID(ID))
            {
                Msg = "存在字典值";
                return false;
            }
            var dal = new DAL.SysDictType();
            var bol = dal.DeleteByID( ID);
            if (bol)
            {
                RemoveCache( ID);
            }
            return bol;
        }

        #endregion

    }
}