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

namespace IStation.BLL
{
    /// <summary>
    /// 分析结构
    /// </summary>
    public partial class AnalyzeStructure
    {
        private readonly IDAL.IAnalyzeStructure<Entity.AnalyzeStructure> _dal
        = DAL.Factory.DataAccess.CreateDAL<IDAL.IAnalyzeStructure<Entity.AnalyzeStructure>>(Settings.DataAccess.SceneDLLName, Settings.DataAccess.DALNameSpace);

        #region Cache 

        //根据 projectId sceneId 查询缓存
        private List<Model.AnalyzeStructure> GetSceneCache(long projectId, long sceneId)
        {
            return AnalyzeStructureCacheHelper.GetSet(projectId,sceneId, () =>
            {
                var entities = _dal.GetAll(projectId,sceneId);
                var models = Entity2Models(entities);
                if (models == null)
                {
                    models = new List<Model.AnalyzeStructure>();
                }
                return models;
            }, ConfigHelper.CacheKeepTime, ConfigHelper.CacheRandomTime);
        }

        //根据 Id 更新缓存
        private void UpdateSceneCache(long projectId,long sceneId, long Id)
        {
            var entity_ds = _dal.GetById(projectId,sceneId, Id);
            var model_ds = Entity2Model(entity_ds);
            var all = GetSceneCache(projectId, sceneId);
            var model = all.Find(x => x.Id == Id);
            if (model == null)
            {
                all.Add(model_ds);
            }
            else
            {
                model.Reset(model_ds);
            }
        }

        //根据 Ids 更新缓存
        private void UpdateSceneCache(long projectId,long sceneId, IEnumerable<long> Ids)
        {
            if (Ids == null || Ids.Count() < 1)
                return;
            var entities = _dal.GetByIds(projectId,sceneId, Ids);
            var models = Entity2Models(entities);
            var all = GetSceneCache(projectId, sceneId);
            all.RemoveAll(x => Ids.Contains(x.Id));
            if (models != null && models.Count > 0)
            {
                all.AddRange(models);
            }
        }

        //根据 Id 移除缓存
        private void RemoveSceneCache(long projectId,long sceneId, long Id)
        {
            var all = GetSceneCache(projectId, sceneId);
            all.RemoveAll(x => x.Id == Id);
        }

        #endregion

        #region Get 

        /// <summary>
        /// 查询全部
        /// </summary>
        public List<Model.AnalyzeStructure> GetAll(long projectId, long sceneId)
        {
            var all = GetSceneCache(projectId, sceneId);
            return all.ToList();
        }

        /// <summary>
        /// 根据 Id查询
        /// </summary>
        public Model.AnalyzeStructure GetById(long projectId,long sceneId, long Id)
        {
            var all = GetAll(projectId, sceneId);
            return all.Find(x => x.Id == Id);
        }

        /// <summary>
        /// 根据 Ids 查询
        /// </summary>
        public List<Model.AnalyzeStructure> GetByIds(long projectId,long sceneId, IEnumerable<long> Ids)
        {
            if (Ids == null || Ids.Count() < 1)
                return default;
            var all = GetAll(projectId,sceneId);
            return all.Where(x => Ids.Contains(x.Id)).ToList();
        }
        #endregion

        #region Insert

        /// <summary>
        /// 插入
        /// </summary>
        public long Insert(long projectId,long sceneId, Model.AnalyzeStructure model)
        {
            if (projectId < 1)
                return default;
            if (model == null)
                return default;
            var entities = Model2Entity(model);
            var Id = _dal.Insert(projectId,sceneId, entities);
            if (Id > 0)
            {
                UpdateSceneCache(projectId,sceneId, Id);
            }
            return Id;
        }

        /// <summary>
        /// 批量插入
        /// </summary>
        public bool Inserts(long projectId,long sceneId, IEnumerable<Model.AnalyzeStructure> list)
        {
            if (projectId < 1)
                return default;
            if (list == null || list.Count() < 1)
                return default;
            var entities = Model2Entities(list.ToList());
            var Ids = _dal.InsertsR(projectId,sceneId, entities);
            if (Ids != null && Ids.Count > 0)
            {
                UpdateSceneCache(projectId,sceneId, Ids);
                return true;
            }
            return false;
        }

        #endregion

        #region Update

        /// <summary>
        /// 更新
        /// </summary>
        public bool Update(long projectId,long sceneId, Model.AnalyzeStructure model)
        {
            if (projectId < 1)
                return default;
            if (model == null)
                return default;
            if (model.Id < 1)
                return default;
            var entities = Model2Entity(model);
            var bol = _dal.Update(projectId,sceneId, entities);
            if (bol)
            {
                UpdateSceneCache(projectId,sceneId, model.Id);
            }
            return bol;
        }

        /// <summary>
        /// 批量更新
        /// </summary>
        public bool Updates(long projectId,long sceneId, List<Model.AnalyzeStructure> list)
        {
            if (projectId < 1)
                return default;
            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(projectId,sceneId, entities);
            if (bol)
            {
                UpdateSceneCache(projectId,sceneId, list.Select(x => x.Id).ToList());
            }
            return bol;
        }

        #endregion

        #region Exist

        /// <summary>
        /// 根据 Id 判断是否存在
        /// </summary>
        public bool IsExistById(long projectId,long sceneId, long Id)
        {
            var all = GetAll(projectId,sceneId);
            return all.Exists(x => x.Id == Id);
        } 
        #endregion

        #region Delete

        /// <summary>
        /// 根据 Id 删除
        /// </summary>
        public bool DeleteById(long projectId,long sceneId, long Id, out string msg)
        {
            msg = string.Empty;
            var bol = _dal.DeleteById(projectId,sceneId, Id);
            if (bol)
            {
                RemoveSceneCache(projectId,sceneId, Id);
            }
            return bol;
        }

        #endregion

    }
}