using allInOneMachine;
using BroadcastModule;
using centralController.advert;
using centralController.WebServer;
using db;
using Monitor;
using MySql.Data.MySqlClient;
using NumMachine;
using parkMonitor.language;
using parkMonitor.model;
using PLCS7;
using System;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Management;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

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 BroadcastLinker allInOneMachine;
        public static string allInOneMachineIP { get; set; }
        public static int allInOneMachinePort { get; set; }
        /// <summary>
        /// 号牌机操作句柄
        /// </summary>
        public static NumMachineLinker 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>
        /// 广告路径
        /// </summary>
        public static string advertPath { get; set; }
        public static AdvertManager advertMgr;

        /// <summary>
        /// 系统初始化器句柄
        /// </summary>
        internal static SystemInitializer sysInitializer;
        /// <summary>
        /// 系统关闭状态
        /// </summary>
        public static bool isClosing;
        /// <summary>
        /// 车库ID
        /// </summary>
        public static int garageID;
        /// <summary>
        /// 将显示在界面的提示字符串
        /// </summary>
        private static Queue<string> notificationQueue = new Queue<string>();
        private const int MAXLINES = 50;

        private void PLCUpdate()
        {
            int linkCount = 0;
            bool disconnected = false;
            while (!isClosing)
            {
                if (PLC != null)
                {
                    if (PLC.isConnected)
                    {
                        if (disconnected) {disconnected = false; SetNotification("PLC已重新连接"); }
                        linkCount = 0;
                        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
                            {
                                //初始化终端信息列表
                                Terminal.Terminal.terminalInfo.Clear();
                                for (int i = 0; i < plcTerminalCount; i++)
                                {
                                    Terminal.Terminal.terminalInfo.Add((TerminalStru)received[i]);
                                    Terminal.Terminal.termUsedMap.Add(((TerminalStru)received[i]).terminalID, false);
                                }
                            }
                        }
                        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);
                            //Console.WriteLine(parkingSpaceInfo.Count+","+ plcParkingSpaceCount);
                            //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); }
                    }
                    else
                    {
                        linkCount += 1;
                        if (linkCount == 1)
                        {
                            disconnected = true;
                            SetNotification("PLC掉线，请检查连接");
                        }
                    }
                }
                Thread.Sleep(500);
            }
        }

        /// <summary>
        /// CPU名
        /// </summary>
        /// <returns></returns>
        private static string getCPUName()
        {
            try
            {
                string str = string.Empty;
                ManagementClass mcCPU = new ManagementClass("Win32_Processor");
                ManagementObjectCollection mocCPU = mcCPU.GetInstances();
                foreach (ManagementObject m in mocCPU)
                {
                    string name = m["Name"].ToString();
                    return name;
                }
            }
            catch { }

            return "";
        }

        /// <summary>
        /// 操作系统版本
        /// </summary>
        private static string getOsVersion()
        {
            string str = "Windows 10";
            try
            {
                string hdId = string.Empty;
                ManagementClass hardDisk = new ManagementClass("Win32_OperatingSystem");
                ManagementObjectCollection hardDiskC = hardDisk.GetInstances();
                foreach (ManagementObject m in hardDiskC)
                {
                    str = m["Name"].ToString().Split('|')[0].Replace("Microsoft", "").Trim();
                    break;
                }
            }
            catch
            {

            }
            return str;
        }

        /// <summary>
        /// 显卡名
        /// </summary>
        private static string getGPUName()
        {
            string result = "";
            try
            {

                ManagementClass hardDisk = new ManagementClass("Win32_VideoController");
                ManagementObjectCollection hardDiskC = hardDisk.GetInstances();
                foreach (ManagementObject m in hardDiskC)
                {
                    result = m["VideoProcessor"].ToString();
                    break;
                }
            }
            catch
            {

            }
            return result;
        }

        /// <summary>
        /// 获取系统内存大小
        /// </summary>
        private static string getMenSize()
        {
            ManagementObjectSearcher searcher = new ManagementObjectSearcher();   //用于查询一些如系统信息的管理对象 
            searcher.Query = new SelectQuery("Win32_PhysicalMemory", "", new string[] { "Capacity" });//设置查询条件 
            ManagementObjectCollection collection = searcher.Get();   //获取内存容量 
            ManagementObjectCollection.ManagementObjectEnumerator em = collection.GetEnumerator();

            long capacity = 0;
            while (em.MoveNext())
            {
                ManagementBaseObject baseObj = em.Current;
                if (baseObj.Properties["Capacity"].Value != null)
                {
                    try
                    {
                        capacity += long.Parse(baseObj.Properties["Capacity"].Value.ToString());
                    }
                    catch
                    {
                        return "-GB";
                    }
                }
            }
            int gb = 1024 * 1024 * 1024;
            return ((double)capacity / gb).ToString("0.0") + "GB";
        }

        //************************************ 公有方法 **********************************
        public Monitor(IntPtr flpHandle)
        {
            Monitor.flpHandle = flpHandle;
            parkingSpaceInfo = new List<ParkingSpaceStru>();
            mainBlockInfo = new MainBlockStru();
        }
        /// <summary>
        /// 获取提示信息
        /// </summary>
        /// <returns></returns>
        public string GetNotification()
        {
            StringBuilder notificationStr = new StringBuilder();
            lock (notificationQueue)
            {
                string[] strs = notificationQueue.ToArray();
                Array.Reverse(strs);
                for (int i = 0; i < strs.Length; i++)
                {
                    notificationStr.Append(strs[i]);
                }
                //Queue<string>.Enumerator notiEnumer = notificationQueue.GetEnumerator();
                //while (notiEnumer.MoveNext())
                //{
                //    notificationStr.Append(notiEnumer.Current);
                //}
            }
            return notificationStr.ToString();
        }
        /// <summary>
        /// 添加提示信息
        /// </summary>
        /// <param name="notification"></param>
        public static void SetNotification(string notification)
        {
            if (notification == "clear")
            {
                lock (notificationQueue)
                {
                    notificationQueue.Clear();
                }
                return;
            }
            else
            {
                string time = DateTime.Now + "\r\n";
                string notificationStr = time + notification + "\r\n";
                lock (notificationQueue)
                {
                    int count = notificationQueue.Count;
                    if (count >= MAXLINES)
                    {
                        notificationQueue.Dequeue();
                    }
                    notificationQueue.Enqueue(notificationStr);
                }
            }
        }
        /// <summary>
        /// 返回系统信息字符串
        /// </summary>
        /// <returns></returns>
        public static string GetSysInfo()
        {
            string info = "";
            Language lng = Language.ins;
            try
            {
                string endl = "\r\n";
                info += endl + lng.autoPackSys + " " + lng.centralPort + endl + endl;
                info += lng.version + "：" + SysConst.version() + endl + endl;

                info += lng.hostNmae + "：" + Dns.GetHostName() + endl + endl;
                info += lng.os + "：" + getOsVersion() + endl + endl;
                info += lng.cpu + "：" + getCPUName() + endl + endl;
                info += lng.mem + "：" + getMenSize() + endl + endl;
                info += lng.gpu + "：" + getGPUName() + endl + endl;
            }
            catch (Exception) { }
            return info;
        }
        /// <summary>
        /// 返回停车记录信息
        /// </summary>
        /// <returns></returns>
        public static List<object[]> GetParkingRecords(string license = "", string startTime = "", string endTime = "")
        {
            DateTime now = DateTime.Now;
            List<object[]> result = new List<object[]>();
            string getParkingRecordsSql = "";
            if (startTime == "" || endTime == "")
            {
                DateTime yesterday = DateTime.Now - (new TimeSpan(1, 0, 0, 0));
                DateTime twoDaysAgo = DateTime.Now - (new TimeSpan(2, 0, 0, 0));
                getParkingRecordsSql = "select parkingRecordsID,userID,numberPlate,parkingSpaceID,realParkTime,realGetTime,receiptNum,parkingPrice,paymentStatus " +
                "from parkingrecords where numberPlate " + (license == "" ? "like '%" : "= '" + license) + "' and (realParkTime like '" + now.ToString("yyyy-MM-dd") + "%' or realParkTime like '" + yesterday.ToString("yyyy-MM-dd") + "%' or realParkTime like '" + twoDaysAgo.ToString("yyyy-MM-dd") + "%');";
            }
            else
            {
                getParkingRecordsSql = "select parkingRecordsID,userID,numberPlate,parkingSpaceID,realParkTime,realGetTime,receiptNum,parkingPrice,paymentStatus " +
                "from parkingrecords where numberPlate " + (license == "" ? "like '%" : "= '" + license) + "' and realParkTime >= '" + startTime + "' and realParkTime <= '" + endTime + "';";
            }
            if (localDBOper != null)
            {
                lock (localDBOper)
                {
                    MySqlDataReader reader = localDBOper.Query(getParkingRecordsSql);
                    try
                    {
                        while (reader != null && reader.Read())
                        {
                            if (reader.HasRows)
                            {
                                object[] temp = new object[reader.FieldCount];
                                reader.GetValues(temp);
                                result.Add(temp);
                            }
                        }
                    }
                    catch (Exception e) { Console.WriteLine(e.Message); }
                    try
                    {
                        if (reader != null)
                        {
                            reader.Close();
                            reader.Dispose();
                        }
                    }
                    catch (Exception e) { Console.WriteLine(e.Message); }
                }
            }
            result.Reverse();
            return result;
        }
        /// <summary>
        /// 返回预约记录信息
        /// </summary>
        /// <returns></returns>
        public static List<object[]> GetOrderRecords(bool localDB, string license="", string startTime = "", string endTime = "")
        {
            DateTime now = DateTime.Now;
            List<object[]> result = new List<object[]>();
            string getOrderRecordsSql = "";
            if (startTime == "" || endTime == "")
            {
                DateTime yesterday = DateTime.Now - (new TimeSpan(1, 0, 0, 0));
                DateTime twoDaysAgo = DateTime.Now - (new TimeSpan(2, 0, 0, 0));
                getOrderRecordsSql = "select orderRecordsID,userID,numberPlate,bookParkTime,cancelBookTime,bookFetchTime,bookHour,bookPrice,bookState " +
                "from orderrecords where numberPlate " + (license == "" ? "like '%" : "= '" + license) + "' and (bookParkTime like '" + now.ToString("yyyy-MM-dd") +
                "%' or bookParkTime like '" + yesterday.ToString("yyyy-MM-dd") + "%' or bookFetchTime like '" + now.ToString("yyyy-MM-dd") + "%' or bookFetchTime like '" + yesterday.ToString("yyyy-MM-dd") + "%');";
            }
            else
            {
                getOrderRecordsSql = "select orderRecordsID,userID,numberPlate,bookParkTime,cancelBookTime,bookFetchTime,bookHour,bookPrice,bookState " +
                "from orderrecords where numberPlate " + (license == "" ? "like '%" : "= '" + license) + "' and ((bookParkTime >= '" + startTime + "' and bookParkTime <= '" + endTime + "') or (bookFetchTime >= '" + startTime + "' and bookFetchTime <= '" + endTime + "'));";
            }
            if (localDBOper != null)
            {
                lock (localDBOper)
                {
                    MySqlDataReader reader;
                    if (localDB)
                        reader = localDBOper.Query(getOrderRecordsSql);
                    else
                        reader = remoteDBOper.Query(getOrderRecordsSql);
                    try
                    {
                        while (reader != null && reader.Read())
                        {
                            if (reader.HasRows)
                            {
                                object[] temp = new object[reader.FieldCount];
                                reader.GetValues(temp);
                                result.Add(temp);
                            }
                        }
                    }
                    catch (Exception e) { Console.WriteLine(e.Message); }
                    try
                    {
                        if (reader != null)
                        {
                            reader.Close();
                            reader.Dispose();
                        }
                    }
                    catch (Exception e) { Console.WriteLine(e.Message); }
                }
            }
            result.Reverse();
            return result;
        }
        /// <summary>
        /// 返回空闲正常车位数
        /// </summary>
        /// <param name="state">状态：0.空闲与保留，1.空闲，2.保留，3.预约车位总数</param>
        /// <returns></returns>
        public int GetFreeSpaceCount(int state)
        {
            int freeSpaceCount = 0;
            int reservedSpaceCount = 0;
            if(state == 3)
            {
                return mainBlockInfo.reserveTotalSpace;
            }
            if (parkingSpaceInfo != null)
            {
                foreach (ParkingSpaceStru psStru in parkingSpaceInfo)
                {
                    if (psStru.spaceStatus != 1 && psStru.spaceStatus != 3)
                    {
                        freeSpaceCount++;
                        if (psStru.spaceStatus == 2)
                            reservedSpaceCount++;
                    }
                }
            }
            switch (state)
            {
                case 0:
                    return freeSpaceCount;
                case 1:
                    return freeSpaceCount - reservedSpaceCount;
                case 2:
                    return reservedSpaceCount;
                default:
                    return freeSpaceCount;
            }
        }
        /// <summary>
        /// 暂未使用，查询本地数据库返回可预约车位数
        /// </summary>
        /// <returns></returns>
        //public int GetBookableSpaceCount()
        //{
        //    int bookableSpaceCount = 0;
        //    string bookableSpaceSql = "select currentBookableSpace from garageproperties where garageID = " + garageID + ";";
        //    if (localDBOper != null)
        //    {
        //        MySqlDataReader reader = localDBOper.Query(bookableSpaceSql);
        //        if (reader != null)
        //        {
        //            try
        //            {
        //                if (reader.Read() && reader.HasRows)
        //                {
        //                    bookableSpaceCount = reader.GetInt32("currentBookableSpace");
        //                }
        //            }
        //            catch { }
        //            try
        //            {
        //                reader.Close();
        //                reader.Dispose();
        //            }
        //            catch { }
        //        }
        //    }
        //    return bookableSpaceCount;
        //}
        /// <summary>
        /// 系统初始化，启动plc监控
        /// </summary>
        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();
                });
            }
        }
        /// <summary>
        /// 系统停止
        /// </summary>
        public void Stop()
        {
            sysInitializer.Stop();
            System.Environment.Exit(0);
        }
    }

    //public class ParkingRecord
    //{
    //    int parkingRecordsID;
    //    int userID;
    //    string numberPlate;
    //    int parkingSpaceID;
    //}
}