using BroadcastModule;
using DatabaseDLL;
using Monitor;
using NumMachine;
using PLCS7;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using WebServer;

namespace Monitor
{
    public class Monitor : IMonitor
    {
        /// <summary>
        /// 监控模块单例
        /// </summary>
        public static Monitor ins { get; set; }
        /// <summary>
        /// 中控系统总状态
        /// </summary>
        public static bool globalStatus = false;
        /// <summary>
        /// 初始化步骤
        /// </summary>
        public static int initializeState = 0;
        /// <summary>
        /// PLC对象句柄
        /// </summary>
        public static AbstractPLCLinker PLC = null;
        public static string plcIPAddr { get; set; }
        public static int plcRack { get; set; }
        public static int plcSlot { get; set; }
        public static string[] plcDatablockConfig { get; set; }
        public static int plcTerminalCount { get; set; }
        public static int plcParkingSpaceCount { get; set; }
        public static int plcRefreshInterval { get; set; }
        public static MainBlockStru mainBlockInfo { get; set; }
        public static List<ParkingSpaceStru> parkingSpaceInfo { get; set; }
        /// <summary>
        /// 远程数据库操作句柄
        /// </summary>
        public static DBOperation remoteDBOper;
        /// <summary>
        /// 本地数据库操作句柄
        /// </summary>
        public static DBOperation localDBOper;
        /// <summary>
        /// 显示板操作对象句柄
        /// </summary>
        public static BroadcastBoard allInOneMachine;
        public static string allInOneMachineIP { get; set; }
        public static int allInOneMachinePort { get; set; }
        /// <summary>
        /// 号牌机操作句柄
        /// </summary>
        public static INumMachineLinker numMachineLinker;
        public static IntPtr flpHandle;
        /// <summary>
        /// 本地web操作句柄
        /// </summary>
        public static IWebServer webServer;
        public static int webPort { get; set; }
        /// <summary>
        /// 系统初始化器句柄
        /// </summary>
        internal static SystemInitializer sysInitializer;
        /// <summary>
        /// 系统关闭状态
        /// </summary>
        bool isClosing;
        /// <summary>
        /// 车库ID
        /// </summary>
        public static int garageID;

        private void PLCUpdate()
        {
            while (!isClosing)
            {
                if (PLC != null && PLC.isConnected)
                {
                    List<object> received = PLC.ReadFromPLC(PLCDataType.terminal, 0);
                    //首先获取所有终端信息
                    try
                    {
                        //终端总数相同
                        if (Terminal.Terminal.terminalInfo.Count == plcTerminalCount)
                        {
                            for (int i = 0; i < plcTerminalCount; i++)
                            {
                                //一旦发现差异立刻更新
                                if (!Terminal.Terminal.terminalInfo[i].Equals(received[i]))
                                {
                                    Terminal.Terminal.terminalInfo[i] = (TerminalStru)received[i];
                                }
                            }
                        }
                        else
                        {
                            Terminal.Terminal.terminalInfo.Clear();
                            for (int i = 0; i < plcTerminalCount; i++)
                            {
                                Terminal.Terminal.terminalInfo.Add((TerminalStru)received[i]);
                            }
                        }
                    }
                    catch (Exception e) { Console.WriteLine("PLC监控终端数据," + e.Message); }
                    //接下来获取中控监控信息
                    try
                    {
                        received = PLC.ReadFromPLC(PLCDataType.central, 0);
                        if (received.Count>0&&!mainBlockInfo.Equals(received[0]))
                        {
                            mainBlockInfo = (MainBlockStru)received[0];
                        }
                    }catch(Exception e) { Console.WriteLine("PLC监控中控数据," + e.Message); }
                    //最后获得所有车位信息
                    try
                    {
                        received = PLC.ReadFromPLC(PLCDataType.parkingSpace, 0);
                        //车位总数相同
                        if (parkingSpaceInfo.Count == plcParkingSpaceCount)
                        {
                            for (int i = 0; i < plcParkingSpaceCount; i++)
                            {
                                //一旦发现差异立刻更新
                                if (!parkingSpaceInfo[i].Equals(received[i]))
                                {
                                    parkingSpaceInfo[i] = (ParkingSpaceStru)received[i];
                                }
                            }
                        }
                        else
                        {
                            parkingSpaceInfo.Clear();
                            for (int i = 0; i < plcParkingSpaceCount; i++)
                            {
                                parkingSpaceInfo.Add((ParkingSpaceStru)received[i]);
                            }
                        }
                    }
                    catch (Exception e) { Console.WriteLine("PLC监控车位数据," + e.Message); }
                }
                Thread.Sleep(500);
            }
        }

        //************************************ 公有方法 **********************************
        public Monitor(IntPtr flpHandle)
        {
            Monitor.flpHandle = flpHandle;
            parkingSpaceInfo = new List<ParkingSpaceStru>();
            mainBlockInfo = new MainBlockStru();
        }

        public void DisplayPLCInfo()
        {

        }

        public void DisplayTerminalState()
        {

        }

        public void DisplayLicensePlate()
        {

        }

        public void DisplayImage()
        {

        }

        public void Start()
        {
            if (flpHandle != IntPtr.Zero)
            {
                //初始化系统
                if (sysInitializer == null)
                {
                    sysInitializer = new SystemInitializer();
                }
                Task.Factory.StartNew(() =>
                {
                    sysInitializer.Init(flpHandle);
                });
                
                //更新PLC数据
                Task.Factory.StartNew(()=> {
                    PLCUpdate();
                });
            }
        }

        public void Stop()
        {
            sysInitializer.Stop();
        }
    }

}