using Rhea.Common;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tiger.IBusiness;
using Tiger.Model;

namespace Tiger.Business.DbCache
{
    /// <summary>
    /// 不良代码数据库数据缓存
    /// </summary>
    public class MesDefectCache : IMesDefectCache
    {
        #region Variables
        private WhileThread AutoUpdateThread;
        private DateTime LastUpdateTime = DateTime.MinValue;
        #endregion

        #region Propertys
        public string Id { get; set; } = Guid.NewGuid().ToString("N");
        public string Tag { get; set; } = "MesDefectCache";
        public string Name { get; set; } = "MesDefectCache";
        public bool IsRunning { get; set; }
        private List<BAS_DEFECT_GRP> _groups = new();
        public List<BAS_DEFECT_GRP> Groups { get { Update(); return _groups; } set => _groups = value; }
        private List<BAS_DEFECT> _defects = new();
        public List<BAS_DEFECT> Defects { get { Update(); return _defects; } set => _defects = value; }
        public BAS_DEFECT this[string code, string group = null] { get { Update(); return _defects.FirstOrDefault(q => q.DFT_CODE == code && (group.IsNullOrEmpty() || q.DFTG_CODE == group)); } }
        #endregion

        #region Functions
        /// <summary>
        /// 启动自动更新缓存
        /// </summary>
        public void Start()
        {
            try
            {
                AutoUpdateThread = new(AutoUpdate);
                AutoUpdateThread.Start();
                Logger.Default.Info("Start MesDefect Cache Auto Update Thread");
            }
            catch (System.Exception ex)
            {
                Logger.Default.Fatal(ex, "Start MesDefect Cache Auto Update Thread Exception");
            }
        }

        /// <summary>
        /// 关闭自动更新缓存
        /// </summary>
        public void Stop()
        {
            try
            {
                AutoUpdateThread?.Stop();
                Logger.Console.Info("Stop MesDefect Cache Auto Update Thread");
            }
            catch (System.Exception ex)
            {
                Logger.Console.Fatal(ex, "Stop MesDefect Cache Auto Update Thread Exception");
            }
        }

        /// <summary>
        /// 更新数据缓存
        /// </summary>
        public void Update()
        {
            var lastUpdate = Biz.Db.Queryable<BAS_DEFECT>().Max(q => q.UPDATE_TIME);
            if (LastUpdateTime < lastUpdate)
            {
                _groups = Biz.Db.Queryable<BAS_DEFECT_GRP>().IncludesAllFirstLayer().ToList();
                var defectList = new List<BAS_DEFECT>();
                foreach (var group in _groups)
                {
                    defectList.AddRange(group.Defects);
                }
                _defects = defectList;
                LastUpdateTime = defectList.Max(q => q.UPDATE_TIME);
                Logger.Console.Info($"Get MesDefect successful, total {Defects.Count} params in {Groups.Count} groups, last update time is {LastUpdateTime:yyyy-MM-dd HH:mm:ss}");
            }
        }

        /// <summary>
        /// 自动更新
        /// </summary>
        private void AutoUpdate()
        {
            try
            {
                Update();
            }
            catch (System.Exception ex)
            {
                Logger.Console.Fatal(ex, "MesDefect Cache Auto Update Exception");
                LastUpdateTime = DateTime.MinValue;
            }

            //休眠30分钟
            Thread.Sleep(30 * 60 * 1000);//
        }


        #endregion
    }
}