using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using BroadcastModule;
using DatabaseDLL;
using NumMachine;
using parkMonitor.tools;
using PLCS7;
using S7.Net;
using WebServer;

namespace Entry
{
    public class SystemInitializer
    {
        /// <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; }
        /// <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;
        /// <summary>
        /// 本地web操作句柄
        /// </summary>
        public static IWebServer webServer;
        public static int webPort { get; set; }
        /// <summary>
        /// 初始化各模块
        /// </summary>
        /// <returns></returns>
        public static void Init(IntPtr flpHandle)
        {
            bool initStatus = false;
            int retryCount = 0;
            string remoteDBConnStr, localDBConnStr;
            int DBtimeout;
            int garageID;
            MyTimer mt = new MyTimer();
            mt.StartTiming();
            try
            {
                retryCount = Convert.ToInt32(ConfigurationManager.AppSettings.Get("retryCount"));
                //数据库
                remoteDBConnStr = ConfigurationManager.AppSettings.Get("remoteDBConnStr");
                localDBConnStr = ConfigurationManager.AppSettings.Get("localDBConnStr");
                DBtimeout = Convert.ToInt32(ConfigurationManager.AppSettings.Get("DBtimeout"));
                //plc
                plcIPAddr = ConfigurationManager.AppSettings.Get("plcIpAddress");
                plcRack = Convert.ToInt32(ConfigurationManager.AppSettings.Get("plcRack"));
                plcSlot = Convert.ToInt32(ConfigurationManager.AppSettings.Get("plcSlot"));
                plcDatablockConfig = ConfigurationManager.AppSettings.Get("plcDatablockId").Split(',');
                plcTerminalCount = Convert.ToInt32(ConfigurationManager.AppSettings.Get("plcTerminalCount"));
                plcParkingSpaceCount = Convert.ToInt32(ConfigurationManager.AppSettings.Get("plcParkingSpaceCount"));
                plcRefreshInterval = Convert.ToInt32(ConfigurationManager.AppSettings.Get("plcRefreshInterval"));
                //显示屏
                allInOneMachineIP = ConfigurationManager.AppSettings.Get("allInOneMachineIP");
                allInOneMachinePort = Convert.ToInt32(ConfigurationManager.AppSettings.Get("allInOneMachinePort"));
                //webServer端口
                webPort = Convert.ToInt32(ConfigurationManager.AppSettings.Get("webPort"));

                garageID = Convert.ToInt32(ConfigurationManager.AppSettings.Get("garageID"));
                //配置文件读取结束，进入状态1
                initializeState = 1;
                initStatus = true;
            }
            catch (Exception e) { Console.WriteLine("初始化，" + e.Message); return; }

            initStatus = initStatus && PLCInit(retryCount);
            //PLC初始化结束，进入状态2
            if (!initStatus) { return; }
            else { initializeState = 2;}

            //初始化数据库对象
            remoteDBOper = new DBOperation(remoteDBConnStr, DBtimeout);
            localDBOper = new DBOperation(localDBConnStr, DBtimeout);
            initStatus = initStatus && remoteDBOper.InitConnPooling(10);
            initStatus = initStatus && localDBOper.InitConnPooling(10);
            //数据库初始化结束，进入状态3
            if (!initStatus) { return; }
            else { initializeState = 3; }

            //初始化web对象
            webServer = new CentralForWeb();
            initStatus = initStatus && webServer.Start(webPort);
            //webServer初始化结束，进入状态4
            if (!initStatus) { return; }
            else { initializeState = 4; }

            //初始化号牌机对象
            numMachineLinker = new NumMachineLinker(flpHandle);
            numMachineLinker.Start();
            //初始化显示板对象，显示板udp面向无连接
            allInOneMachine = new BroadcastBoard(allInOneMachineIP, allInOneMachinePort);
            allInOneMachine.Refresh();
            //系统初始化结束，进入状态5
            if (!initStatus) { return; }
            else { initializeState = 5; }
            mt.EndTiming();
            Console.WriteLine("初始化耗时："+mt.GetInterval().TotalSeconds);
            switch(initializeState){
                case 0:
                    Console.WriteLine("配置文件读写异常");
                    break;
                case 1:
                    Console.WriteLine("PLC初始化异常");
                    break;
                case 2:
                    Console.WriteLine("数据库初始化异常");
                    break;
                case 3:
                    Console.WriteLine("webServer初始化异常");
                    break;
                case 4:
                    Console.WriteLine("其他异常");
                    break;
                case 5:
                    Console.WriteLine("初始化成功");
                    break;
            }
        }
        /// <summary>
        /// PLC初始化与连接
        /// </summary>
        /// <param name="retryCount"></param>
        /// <returns></returns>
        public static bool PLCInit(int retryCount)
        {
            int temp = retryCount;
            //初始化PLC对象
            while (temp-- > 0)
            {
                if (PLC == null)
                {
                    PLC = new PLCLinker(CpuType.S71500, plcIPAddr, (short)plcRack, (short)plcSlot, 
                        Int32.Parse(plcDatablockConfig[0]), Int32.Parse(plcDatablockConfig[1]), Int32.Parse(plcDatablockConfig[2]), 
                        plcTerminalCount, plcParkingSpaceCount);
                }
                else if (PLC.isConnected)
                {
                    return true;
                }
                else { PLC.PLCConnect(); }
            }
            return false;
        }
        /// <summary>
        /// 系统关闭
        /// </summary>
        public static void Stop()
        {
            //关闭号牌机
            if (numMachineLinker != null) { numMachineLinker.Stop();}
            //关闭webServer
            if (webServer != null) { webServer.Stop();}
            //关闭数据库
            if (remoteDBOper != null) {remoteDBOper.DBClose(); }
            if (localDBOper != null) {localDBOper.DBClose(); }
        }

    }
}