using Yw.Service;

namespace IStation.Service
{
    /// <summary>
    /// 信号
    /// </summary>
    public partial class Signal
    {
        private readonly DAL.Signal _dal = new DAL.Signal();


        #region Cache

        // 获取缓存
        private List<Model.Signal> GetCache()
        {
            return SignalCacheHelper.GetSet(() =>
            {
                var entities = _dal.GetAll();
                var models = Entity2Models(entities);
                if (models == null)
                {
                    models = new List<Model.Signal>();
                }
                return models;
            }, ConfigHelper.CacheKeepTime, ConfigHelper.CacheRandomTime);
        }

        // 更新缓存
        private void UpdateCache(long id)
        {
            if (id < 1)
                return;
            var entities = _dal.GetByID(id);
            var models = Entity2Model(entities);
            var all = GetCache();
            var model = all.Find(x => x.ID == id);
            if (model == null)
            {
                all.Add(models);
            }
            else
            {
                model.Reset(models);
            }
        }

        // 更新缓存
        private void UpdateCache(List<long> ids)
        {
            if (ids == null || ids.Count() < 1)
                return;
            var entities = _dal.GetByIds(ids);
            var models = Entity2Models(entities);
            var all = GetCache();
            all.RemoveAll(x => ids.Contains(x.ID));
            if (models != null && models.Count > 0)
            {
                all.AddRange(models);
            }
        }

        // 移除缓存
        private void RemoveCache(long id)
        {
            if (id < 1)
                return;
            var all = GetCache();
            all.RemoveAll(x => x.ID == id);
        }

        // 移除缓存
        private void RemoveCache(List<long> ids)
        {
            if (ids == null || ids.Count() < 1)
                return;
            var all = GetCache();
            all.RemoveAll(x => ids.Contains(x.ID));
        }

        #endregion

        #region Get 

        /// <summary>
        /// 查询全部
        /// </summary>
        public List<Model.Signal> GetAll()
        {
            var all = GetCache();
            return all.ToList();
        }

        /// <summary>
        /// 根据 ID查询
        /// </summary>
        public Model.Signal GetByID(long id)
        {
            var all = GetAll();
            return all.Find(x => x.ID == id);
        }

        /// <summary>
        /// 根据 Ids 查询
        /// </summary>
        public List<Model.Signal> GetByIds(List<long> ids)
        {
            if (ids == null || ids.Count() < 1)
                return default;
            var all = GetAll();
            return all.Where(x => ids.Contains(x.ID)).ToList();
        }

        /// <summary>
        /// 根据 MonitorPointID 查询
        /// </summary>
        public Model.Signal GetByMonitorPointID(long monitorPointId)
        {
            if (monitorPointId < 1)
                return default;
            var all = GetCache();
            return all.Where(x => x.MonitorPointID == monitorPointId).FirstOrDefault();
        }

        /// <summary>
        /// 根据 MonitorPointIds 查询
        /// </summary>
        public List<Model.Signal> GetByMonitorPointIds(List<long> monitorPointIds)
        {
            if (monitorPointIds == null || monitorPointIds.Count() < 1)
                return default;
            var all = GetCache();
            return all.Where(x => monitorPointIds.Contains(x.MonitorPointID)).ToList();
        }

        #endregion

        #region Get SignalExSignalType

        /// <summary>
        /// 根据 MonitorPointID 获取
        /// </summary>
        public Model.SignalExSignalType GetExSignalTypeByMonitorPointID(long monitorPointId)
        {
            var signal = GetByMonitorPointID(monitorPointId);
            if (signal == null)
                return default;
            var signalType = new Service.SignalType().GetByIdentifier(signal.SignalType);
            if (signalType == null)
                return default;
            return new Model.SignalExSignalType(signal, signalType);
        }

        /// <summary>
        /// 根据 MonitorPointIds 查询 信号+信号类型
        /// </summary>
        public List<Model.SignalExSignalType> GetExSignalTypeByMonitorPointIds(List<long> monitorPointIds)
        {
            if (monitorPointIds == null || monitorPointIds.Count() < 1)
                return default;
            var monitorPoints = GetByMonitorPointIds(monitorPointIds);
            if (monitorPoints == null || monitorPoints.Count < 1)
                return default;
            var types = monitorPoints.Select(x => x.SignalType).Distinct().ToList();
            var signalTypes = new SignalType().GetByIdentifiers(types);
            if (signalTypes == null || signalTypes.Count < 1)
                return default;
            var vmList = (from x in monitorPoints
                          join y in signalTypes
                          on x.SignalType equals y.Identifier into data
                          from y2 in data.DefaultIfEmpty()
                          select new Model.SignalExSignalType(x, y2))
                          .ToList();
            return vmList;
        }

        #endregion

        #region Insert

        /// <summary>
        /// 插入
        /// </summary>
        public long Insert(Model.Signal model)
        {
            if (model == null)
                return default;
            var entities = Model2Entity(model);
            var ID = _dal.Insert(entities);
            if (ID > 0)
            {
                UpdateCache(ID);
            }
            return ID;
        }

        /// <summary>
        /// 批量插入
        /// </summary>
        public bool Inserts(List<Model.Signal> models)
        {
            if (models == null || models.Count() < 1)
                return default;
            var entities = Model2Entities(models.ToList());
            var ids = _dal.InsertsR(entities);
            if (ids != null && ids.Count > 0)
            {
                UpdateCache(ids);
                return true;
            }
            return false;
        }

        #endregion

        #region Update

        /// <summary>
        /// 更新
        /// </summary>
        public bool Update(Model.Signal model)
        {
            if (model == null)
                return default;
            if (model.ID < 1)
                return default;
            var entities = Model2Entity(model);
            var bol = _dal.Update(entities);
            if (bol)
            {
                UpdateCache(model.ID);
            }
            return bol;
        }

        /// <summary>
        /// 批量更新
        /// </summary>
        public bool Updates(List<Model.Signal> models)
        {
            if (models == null || models.Count() < 1)
                return default;
            if (models.ToList().Exists(x => x.ID < 1))
                return default;
            var entities = Model2Entities(models.ToList());
            var bol = _dal.Updates(entities);
            if (bol)
            {
                UpdateCache(models.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 false;
            var bol = _dal.UpdateSortCode(id, sortCode);
            if (bol)
            {
                UpdateCache(id);
            }
            return bol;
        }

        /// <summary>
        /// 更新排序
        /// </summary>
        public virtual bool UpdateSorter(List<Yw.Model.Sorter> sorters)
        {
            if (sorters == null || sorters.Count() < 1)
                return default;
            if (sorters.Exists(x => x.ID < 1))
                return default;
            var entities = sorters.Model2Entities();
            var bol = _dal.UpdateSorter(entities);
            if (bol)
            {
                var ids = entities.Select(x => x.ID).ToList();
                UpdateCache(ids);
            }
            return bol;
        }


        /// <summary>
        /// 更新 Flags
        /// </summary>
        public virtual bool UpdateFlags(long id, List<string> flags)
        {
            if (id < 1)
                return false;
            var bol = _dal.UpdateFlags(id, FlagsHelper.ToString(flags));
            if (bol)
            {
                UpdateCache(id);
            }
            return bol;
        }

        /// <summary>
        /// 更新 TagName
        /// </summary>
        public bool UpdateTagName(long id, string tagName)
        {
            if (id < 1)
                return false;
            var bol = _dal.UpdateTagName(id, tagName);
            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TagName是否存在
        /// </summary>
        public bool IsExistTagName(string tagName)
        {
            if (string.IsNullOrEmpty(tagName))
                return default;
            var all = GetAll();
            if (all == null || all.Count < 1)
                return default;
            return all.Exists(x => !string.IsNullOrEmpty(x.TagName) && x.TagName.ToUpper() == tagName.ToUpper());
        }

        /// <summary>
        ///  判断TagName是否存在 ExceptID
        /// </summary>
        public bool IsExistTagNameExceptID(string tagName, long exceptID)
        {
            if (string.IsNullOrEmpty(tagName))
                return default;
            var all = GetAll();
            if (all == null || all.Count < 1)
                return default;
            return all.Exists(x => !string.IsNullOrEmpty(x.TagName) && x.TagName.ToUpper() == tagName.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;
            var bol = _dal.DeleteByID(id);
            if (bol)
            {
                RemoveCache(id);
            }
            return bol;
        }

        /// <summary>
        /// 通过 MonitorPointID 删除
        /// </summary>
        public bool DeleteByMonitorPointID(long monitorPointId, out string msg)
        {
            msg = string.Empty;
            var model = GetByMonitorPointID(monitorPointId);
            if (model == null)
            {
                msg = "signal is null";
                return false;
            }
            var bol = _dal.DeleteByID(model.ID);
            if (bol)
            {
                RemoveCache(model.ID);
            }
            return bol;
        }

        #endregion 

        #region Cover

        /// <summary>
        /// 批量覆盖
        /// </summary>
        public bool Covers(List<Model.Signal> models)
        {
            if (models == null || models.Count() < 1)
                return default;
            var entities = Model2Entities(models);
            var bol = _dal.Covers(entities);
            if (bol)
            {
                SignalCacheHelper.Remove();
            }
            return bol;
        }

        #endregion
    }
}