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

namespace IStation.Service
{
    /// <summary>
    /// 信号单元
    /// </summary>
    public partial class SignalUnit
    {
        #region Cache

        //通过 CorpID 获取缓存
        private List<Model.SignalUnit> GetCorpCache(long CorpID)
        {
            return SignalUnitCacheHelper.GetSet(CorpID, () =>
            {
                var dal = new DAL.SignalUnit();
                var entity_list = dal.GetByCorpID(CorpID);
                var model_list = Entity2Models(entity_list);
                if (model_list == null)
                {
                    model_list = new List<Model.SignalUnit>();
                }
                return model_list;
            }, ConfigHelper.CacheKeepTime, ConfigHelper.CacheRandomTime);
        }

        //通过 ID 更新缓存
        internal void UpdateCorpCache(long CorpID, long ID)
        {
            var dal = new DAL.SignalUnit();
            var entity_ds = dal.GetByID(CorpID, ID);
            var model_ds = Entity2Model(entity_ds);
            var all = GetCorpCache(CorpID);
            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
        internal void UpdateCorpCache(long CorpID, List<long> Ids)
        {
            if (Ids == null || Ids.Count() < 1)
                return;
            var dal = new DAL.SignalUnit();
            var entity_list = dal.GetByIds(CorpID, Ids);
            var model_list = Entity2Models(entity_list);
            var all = GetCorpCache(CorpID);
            all.RemoveAll(x => Ids.Contains(x.ID));
            if (model_list != null && model_list.Count > 0)
            {
                all.AddRange(model_list);
            }
        }

        //通过 MonitorUnitID 更新缓存
        internal void UpdateCorpCacheByMonitorUnitID(long CorpID, long MonitorUnitID) 
        {
            var dal = new DAL.SignalUnit();
            var entity_list = dal.GetByMonitorUnitID(CorpID, MonitorUnitID);
            var model_list = Entity2Models(entity_list);
            var all = GetCorpCache(CorpID);
            all.RemoveAll(x => x.MonitorUnitID == MonitorUnitID);
            if (model_list != null && model_list.Count > 0)
            {
                all.AddRange(model_list);
            }
        }

        //通过 MonitorUnitIds 更新缓存
        internal void UpdateCorpCacheByMonitorUnitIds(long CorpID, List<long> MonitorUnitIds) 
        {
            if (MonitorUnitIds == null || MonitorUnitIds.Count() < 1)
                return;
            var dal = new DAL.SignalUnit();
            var entity_list = dal.GetByMonitorUnitIds(CorpID, MonitorUnitIds);
            var model_list = Entity2Models(entity_list);
            var all = GetCorpCache(CorpID);
            all.RemoveAll(x => MonitorUnitIds.Contains(x.MonitorUnitID));
            if (model_list != null && model_list.Count > 0)
            {
                all.AddRange(model_list);
            }

        }

        //通过 ID 移除缓存
        internal void RemoveCorpCache(long CorpID, long ID)
        {
            var all = GetCorpCache(CorpID);
            all.RemoveAll(x => x.ID == ID);
        }

        //通过 MonitorUnitID 移除缓存
        internal void RemoveCorpCacheByMonitorUnitID(long CorpID, long MonitorUnitID)
        {
            var all = GetCorpCache(CorpID);
            all.RemoveAll(x => x.MonitorUnitID == MonitorUnitID); 
        }

        #endregion

        #region Query

        /// <summary>
        /// 通过 CorpID 获取
        /// </summary>
        public List<Model.SignalUnit> GetByCorpID(long CorpID)
        {
            var all = GetCorpCache(CorpID);
            return all.OrderBy(x => x.SortCode).ToList();
        }

        /// <summary>
        /// 通过 ID 获取
        /// </summary>
        public Model.SignalUnit GetByID(long CorpID, long ID)
        {
            var all = GetByCorpID(CorpID);
            return all.Find(x => x.ID == ID);
        }

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

        /// <summary>
        /// 通过 MonitorUnitID 获取
        /// </summary>
        public List<Model.SignalUnit> GetByMonitorUnitID(long CorpID, long MonitorUnitID) 
        {
            var all = GetByCorpID(CorpID);
            return all.Where(x => x.MonitorUnitID == MonitorUnitID).OrderBy(x => x.SortCode).ToList();
        }

        /// <summary>
        /// 通过 MonitorUnitIds 获取第一个
        /// </summary>
        public Model.SignalUnit GetFirstByMonitorPointID(long CorpID, long MonitorUnitID)
        {
            return GetByMonitorUnitID(CorpID, MonitorUnitID)?.FirstOrDefault();
        }

        /// <summary>
        /// 通过 MonitorUnitIds 获取
        /// </summary>
        public List<Model.SignalUnit> GetByMonitorUnitIds(long CorpID, List<long> MonitorUnitIds)
        {
            if (MonitorUnitIds == null || MonitorUnitIds.Count() < 1)
                return default;
            var all = GetByCorpID(CorpID);
            return all.Where(x => MonitorUnitIds.Contains(x.MonitorUnitID)).OrderBy(x => x.SortCode).ToList();
        }

        #endregion

        #region Insert

        /// <summary>
        /// 插入一条数据
        /// </summary>
        public long Insert(Model.SignalUnit model)
        {
            if (model == null)
                return default;
            if (model.CorpID < 1)
                return default;
            var dal = new DAL.SignalUnit();
            var entity = Model2Entity(model);
            var id = dal.Insert(entity);
            if (id > 0)
            {
                UpdateCorpCache(model.CorpID, id);
            }
            return id;
        }

        /// <summary>
        /// 插入多条
        /// </summary>
        public bool Inserts(List<Model.SignalUnit> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var corpIds = list.Select(x => x.CorpID).Distinct().ToList();
            if (corpIds.Count != 1 || corpIds[0] < 1)
                return default;
            var dal = new DAL.SignalUnit();
            var entity_list = Model2Entities(list.ToList());
            var ids = dal.InsertsR(entity_list);
            if (ids != null && ids.Count > 0)
            {
                UpdateCorpCache(corpIds[0], ids);
                return true; ;
            }
            return default;
        }

        #endregion

        #region Update

        /// <summary>
        /// 更新一条
        /// </summary>
        public bool Update(Model.SignalUnit model)
        {
            if (model == null)
                return default;
            if (model.CorpID < 1)
                return default;
            if (model.ID < 1)
                return default;
            var dal = new DAL.SignalUnit();
            var entity = Model2Entity(model);
            var bol = dal.Update(entity);
            if (bol)
            {
                UpdateCorpCache(model.CorpID, model.ID);
            }
            return bol;
        }

        /// <summary>
        /// 批量更新
        /// </summary>
        public bool Updates(List<Model.SignalUnit> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var corpIds = list.Select(x => x.CorpID).Distinct().ToList();
            if (corpIds.Count != 1 || corpIds[0] < 1)
                return default;
            if (list.ToList().Exists(x => x.ID < 1))
                return default;
            var dal = new DAL.SignalUnit();
            var entity_list = Model2Entities(list.ToList());
            var bol = dal.Updates(entity_list);
            if (bol)
            {
                UpdateCorpCache(corpIds[0], list.Select(x => x.ID).ToList());
            }
            return bol;
        }

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

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

        #endregion

        #region Delete

        /// <summary>
        /// 通过 ID 删除
        /// </summary>
        public bool DeleteByID(long CorpID, long ID, out string Msg)
        {
            Msg = string.Empty;
            var dal = new DAL.SignalUnit();
            var bol = dal.DeleteByID(CorpID, ID);
            if (bol)
            {
                RemoveCorpCache(CorpID, ID);
            }
            return bol;
        }

        /// <summary>
        /// 通过 MonitorUnitID 删除
        /// </summary>
        public bool DeleteByMonitorUnitID(long CorpID, long MonitorUnitID, out string Msg) 
        {
            Msg = string.Empty;
            var dal = new DAL.SignalUnit();
            var bol = dal.DeleteByMonitorUnitID(CorpID, MonitorUnitID);
            if (bol)
            {
                RemoveCorpCacheByMonitorUnitID(CorpID, MonitorUnitID); 
            }
            return bol;
        }

        #endregion


    }
}