using System.Collections.Generic;
using System.Linq;

namespace IStation.BLL
{
    /// <summary>
    /// ÐźÅÀàÐÍ
    /// </summary>
    public partial class SignalType
    {
        private readonly DAL.SignalType _dal = new DAL.SignalType();

        #region Cache 

        //¸ù¾Ý  ²éѯ»º´æ
        private List<Model.SignalType> GetCache()
        {
            return SignalTypeCacheHelper.GetSet(() =>
            {
                var entities = _dal.GetAll();
                var models = Entity2Models(entities);
                if (models == null)
                {
                    models = new List<Model.SignalType>();
                }
                return models;
            }, ConfigHelper.CacheKeepTime, ConfigHelper.CacheRandomTime);
        }

        //¸ù¾Ý ID ¸üлº´æ
        private void UpdateProjectCache(long ID)
        {
            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);
            }
        }

        //¸ù¾Ý Ids ¸üлº´æ
        private void UpdateProjectCache(IEnumerable<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);
            }
        }

        //¸ù¾Ý ID ÒƳý»º´æ
        private void RemoveProjectCache(long ID)
        {
            var all = GetCache();
            all.RemoveAll(x => x.ID == ID);
        }

        #endregion

        #region Get 

        /// <summary>
        /// ²éѯȫ²¿
        /// </summary>
        public List<Model.SignalType> GetAll()
        {
            var all = GetCache();
            return all.OrderBy(x => x.SortCode).ToList();
        }

        /// <summary>
        /// ¸ù¾Ý ID²éѯ
        /// </summary>
        public Model.SignalType GetByID(long ID)
        {
            var all = GetAll();
            return all.Find(x => x.ID == ID);
        }

        /// <summary>
        /// ¸ù¾Ý Ids ²éѯ
        /// </summary>
        public List<Model.SignalType> GetByIds(IEnumerable<long> Ids)
        {
            if (Ids == null || Ids.Count() < 1)
                return default;
            var all = GetAll();
            return all.Where(x => Ids.Contains(x.ID)).ToList();
        }

        /// <summary>
        /// ¸ù¾Ý groupId ²éѯ
        /// </summary>
        public List<Model.SignalType> GetByGroupID(long groupId)
        {
            var all = GetAll();
            all = all.Where(x => x.GroupID == groupId).ToList();
            return all?.OrderBy(x => x.SortCode).ToList();
        }

        /// <summary>
        /// ¸ù¾Ý identifier ²éѯ
        /// </summary>
        public Model.SignalType GetByIdentifier(string identifier)
        {
            var all = GetAll();
            var model = all.Find(x => x.Identifier == identifier);
            return model;
        }

        /// <summary>
        /// ¸ù¾Ý identifiers ²éѯ
        /// </summary>
        public List<Model.SignalType> GetByIdentifiers(IEnumerable<string> identifiers)
        {
            if (identifiers == null || identifiers.Count() < 1)
                return default;
            var all = GetAll();
            all = all.Where(x => identifiers.Contains(x.Identifier)).ToList();
            return all?.OrderBy(x => x.SortCode).ToList();
        }
        #endregion

        #region Insert

        /// <summary>
        /// ²åÈë
        /// </summary>
        public long Insert(Model.SignalType model)
        {
            if (model == null)
                return default;
            var entities = Model2Entity(model);
            var ID = _dal.Insert(entities);
            if (ID > 0)
            {
                UpdateProjectCache(ID);
            }
            return ID;
        }

        /// <summary>
        /// ÅúÁ¿²åÈë
        /// </summary>
        public bool Inserts(IEnumerable<Model.SignalType> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var entities = Model2Entities(list.ToList());
            var Ids = _dal.InsertsR(entities);
            if (Ids != null && Ids.Count > 0)
            {
                UpdateProjectCache(Ids);
                return true;
            }
            return false;
        }

        #endregion

        #region Update

        /// <summary>
        /// ¸üÐÂ
        /// </summary>
        public bool Update(Model.SignalType model)
        {
            if (model == null)
                return default;
            if (model.ID < 1)
                return default;
            var entities = Model2Entity(model);
            var bol = _dal.Update(entities);
            if (bol)
            {
                UpdateProjectCache(model.ID);
            }
            return bol;
        }

        /// <summary>
        /// ÅúÁ¿¸üÐÂ
        /// </summary>
        public bool Updates(List<Model.SignalType> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            if (list.ToList().Exists(x => x.ID < 1))
                return default;
            var entities = Model2Entities(list.ToList());
            var bol = _dal.Updates(entities);
            if (bol)
            {
                UpdateProjectCache(list.Select(x => x.ID).ToList());
            }
            return bol;
        }

        #endregion

        #region Exist

        /// <summary>
        /// ¸ù¾Ý ID ÅжÏÊÇ·ñ´æÔÚ
        /// </summary>
        public bool IsExistByID(long ID)
        {
            var all = GetAll();
            return all.Exists(x => x.ID == ID);
        }
        #endregion

        #region Delete

        /// <summary>
        /// ¸ù¾Ý ID ɾ³ý
        /// </summary>
        public bool DeleteByID(long ID, out string msg)
        {
            msg = string.Empty;
            var bol = _dal.DeleteByID(ID);
            if (bol)
            {
                RemoveProjectCache(ID);
            }
            return bol;
        }

        #endregion

        #region Cover

        /// <summary>
        /// ÅúÁ¿¸²¸Ç
        /// </summary>
        public bool Covers(IEnumerable<Model.SignalType> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var entities = Model2Entities(list.ToList());
            var bol = _dal.Covers(entities);
            if (bol)
            {
                SignalTypeCacheHelper.Remove();
            }
            return bol;
        }

        /// <summary>
        /// ÅúÁ¿¸²¸Ç²¢·µ»Ø
        /// </summary> 
        public List<Entity.SignalType> CoversR(IEnumerable<Model.SignalType> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            var entities = Model2Entities(list.ToList());
            var models = _dal.CoversR(entities);
            if (models != null && models.Count > 0)
            {
                SignalTypeCacheHelper.Remove();
            }
            return models;
        }

        #endregion

    }
}