using Common.HslAuthor.Framework;
using CompressorXN.Untils;
using CompressorXN_Common;
using CompressorXN_Communication.TuMos;
using CompressorXN_Log;
using CompressorXN_Service;
using Custom.Utils.Framework;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;

namespace CompressorXN
{
    internal static class Program
    {
        #region 使用的Win32函数的声明
        /// <summary>
        /// 设置窗口的显示状态
        /// </summary>
        /// <param name="hWnd">窗口句柄</param>
        /// <param name="cmdShow">指示窗口如何被显示</param>
        /// <returns>如果窗体之前是可见，返回值为非零；如果窗体之前被隐藏，返回值为零</returns>
        [DllImport("User32.dll")]
        private static extern bool ShowWindow(IntPtr hWnd, int cmdShow);

        /// <summary>
        /// 创建指定窗口的线程设置到前台，并且激活该窗口。键盘输入转向该窗口，并为用户改变各种可视的记号。
        /// 系统给创建前台窗口的线程分配的权限稍高于其他线程。
        /// </summary>
        /// <param name="hWnd">将被激活并被调入前台的窗口句柄</param>
        /// <returns>如果窗口设入了前台，返回值为非零；如果窗口未被设入前台，返回值为零</returns>
        [DllImport("User32.dll")]
        private static extern bool SetForegroundWindow(IntPtr hWnd);

        // 指示窗口为普通显示
        private const int WS_SHOWNORMAL = 1;
        #endregion


        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            
            //设置应用程序处理异常方式：ThreadException处理
            Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
            //主线程异常捕获
            Application.ThreadException += Application_ThreadException;
            //子线程异常捕获
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            #region 调用Win32 API,禁止程序重复运行并激活运行程序的窗口显示在最前端
            /*
             * 这种方式在VS调用的情况不成立的，因为在VS中按F5运行的进程为OnlyInstanceRunning.vshost,从这个进程的命名就可以看出
              该进程为OnlyInstanceRunning进程的宿主进程
              而直接点OnlyInstanceRunning.exe运行的程序进程为OnlyInstanceRunning,
              但是我们可以一些小的修改，即currentProcess.ProcessName.Replace(".vshose","")此时无论如何都为 OnlyInstanceRunning
            */

            //获得正在运行的程序，如果没有相同的程序，则运行该程序
            Process process = RunningInstance();
            if (process == null)
            {
                #region 授权
                var communicationAuthor = HslAuthorize.HslCommunicationAuthor();
                if (!communicationAuthor)
                {
                    new FrmDialog("通讯授权失败！").ShowDialog();
                }

                var hslControlAuthor = HslAuthorize.HslControlsAuthor();
                if (!hslControlAuthor)
                {
                    new FrmDialog("控件授权失败！").ShowDialog();
                }

                #endregion

                InitSystemConfigIni();//读取配置文件
             
                //FrmLogin frmLogin = new FrmLogin();
                //frmLogin.ShowDialog();
                //if (frmLogin.DialogResult == DialogResult.OK)
                //{
                //    Application.Run(new FrmMain());
                //}
                Application.Run(new FrmMain());
            }
            else
            {
                // 已经运行该程序，显示信息并使程序显示在前端
                new FrmDialog("应用程序已经在运行中......").ShowDialog();
                Thread.Sleep(1000);
                Environment.Exit(Environment.ExitCode);
                HandleRunningInstance(process);
            }
            #endregion
        }

        #region 异常捕获
        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            Exception ex = e.ExceptionObject as Exception;
            LogHelper.Error(ex, "子线程异常捕获", string.Format("捕获到未处理异常：{0}\r\n异常信息：{1}\r\n异常堆栈：{2}\r\nCLR即将退出：{3}", ex.GetType(), ex.Message, ex.StackTrace, e.IsTerminating));
        }

        private static void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
        {
            Exception ex = e.Exception;
            LogHelper.Error(ex, "主线程异常捕获", string.Format("捕获到未处理异常：{0}\r\n异常信息：{1}\r\n异常堆栈：{2}", ex.GetType(), ex.Message, ex.StackTrace));
        }
        #endregion


        #region 禁止程序重复运行相关
        /// <summary>
        /// 获取正在运行的程序，没有运行的程序则返回null
        /// </summary>
        /// <returns></returns>
        private static Process RunningInstance()
        {
            // 获取当前活动的进程
            Process currentProcess = Process.GetCurrentProcess();

            // 根据当前进程的进程名获得进程集合
            // 如果该程序运行，进程的数量大于1
            Process[] processcollection = Process.GetProcessesByName(currentProcess.ProcessName.Replace(".vshost", ""));
            foreach (Process process in processcollection)
            {
                // 如果进程ID不等于当前运行进程的ID以及运行进程的文件路径等于当前进程的文件路径
                // 则说明同一个该程序已经运行了，此时将返回已经运行的进程
                if (process.Id != currentProcess.Id)
                {
                    if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\") == process.MainModule.FileName)
                    {
                        return process;
                    }
                }
            }
            return null;
        }

        /// <summary>
        /// 显示已运行的程序
        /// </summary>
        /// <param name="instance"></param>
        private static void HandleRunningInstance(Process instance)
        {
            // 显示窗口
            ShowWindow(instance.MainWindowHandle, WS_SHOWNORMAL);

            // 把窗体放在前端
            SetForegroundWindow(instance.MainWindowHandle);
        }
        #endregion

        /// <summary>
        /// 读取系统INI配置文件
        /// </summary>
        static void InitSystemConfigIni()
        {
            var iniFilePath = GlobalVar.IniFilePath;

            GlobalVar.PlcIpAddress=IniHelper.Read("PlcConfig", "Ip", string.Empty,iniFilePath);
            string strPlcPort = IniHelper.Read("PlcConfig", "port", string.Empty, iniFilePath);
            int.TryParse(strPlcPort, out int plcPort);
            GlobalVar.PlcPort = plcPort;
            var dbServerIp = IniHelper.Read("DdataBaseConfig", "DbServerIp", "127.0.0.1", iniFilePath);
            var port = IniHelper.Read("DdataBaseConfig", "Port", "5432", iniFilePath);
            var database = IniHelper.Read("DdataBaseConfig", "Database", "", iniFilePath);
            var userId = IniHelper.Read("DdataBaseConfig", "UserId", "postgres", iniFilePath);
            var password = IniHelper.Read("DdataBaseConfig", "Password", "", iniFilePath);
            var schema = IniHelper.Read("DdataBaseConfig", "Schema", "public", iniFilePath);
            var strIsEncrypt = IniHelper.Read("DdataBaseConfig", "DbPwdIsEncrypt", "false", iniFilePath);
            _ = bool.TryParse(strIsEncrypt, out bool isEncrypt);
            //数据库连接
            DbContext.GetConStr(dbServerIp, port, database, userId, password, isEncrypt, schema);
        }
    }
}