using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Collections;

using System.Net.Sockets;

using Nini.Config;
using SafeNetLib;
using System.Windows.Forms;
using Microsoft.VisualBasic.ApplicationServices;
using System.Collections.ObjectModel;

namespace MotoTRBO_SOC
{
    public static class MotoTRBO_GW
    {
        public static DateTime lastEntry = DateTime.Now;
        public static DebugMSG_Type debugMSG_type = DebugMSG_Type.DEV;

        public static RouteManager routeManager;

        public static Config cfg;

        public static UdpClient smsUDPclient = null;
        public static bool unitsLoaded = false;
        public static bool addressLoaded = false;

        public static LocationThread LocationConnection = null;     // the threads for the 5 services we handle
        public static DBconnThread DBConnection = null;
        public static ReceiveSMSThread ReceiveSMSthr = null;
        public static SendSMSThread SendSMSthr = null;
        public static ARSThread ARSConnection = null;

        public static Thread LocationThreadobj = null;
        public static Thread ARSThreadobj = null;
        public static Thread DBThreadobjARS = null;
        public static Thread DBThreadobjGPS = null;
        public static Thread DBThreadobjAux = null;
        public static Thread DBThreadobjSMS = null;
        public static Thread DBThreadobjSMS_conf = null;
        public static Thread DBThreadobjAddr = null;
        public static Thread DBThreadobjPOLL = null;
        public static Thread DBThreadobjTallysman= null;
        public static Thread ReceiveSMSThreadobj = null;
        public static Thread SendSMSThreadobj = null;
        public static Thread CompAddrThread = null;

        public static EmailHandler emailH;

        public static LOGS hLOG;

        public static Boolean running = true;
        public static Int64 lastDBEntry;
        public static DateTime lastSMSThreadUpdate;
        public static DateTime lastARSThreadUpdate;
        public static DateTime lastPositionThreadUpdate;

        public static Boolean isConsoleEnabled = false;

        public static InterthreadMessageQueue<MotoTRBO_SOC.TallysmanReceiveThread.TallysmanEventArgs> tallysmanEventsQueue
                   = new InterthreadMessageQueue<MotoTRBO_SOC.TallysmanReceiveThread.TallysmanEventArgs>();


        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            Console.Title = "MotoTrbo_GWConsole";
            setConsoleWindowVisibility(true, Console.Title);

           
            if(!HandleCommandLineArgs(args))
                return;

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            SingleInstanceController controller = new SingleInstanceController();
            controller.Run(args);
            //Application.Run(new FormMain()); 
           
        }

        public class SingleInstanceController : WindowsFormsApplicationBase
        {
            public static ReadOnlyCollection<string> CommandLineArgs = null;

            public SingleInstanceController()
            {
                IsSingleInstance = true;

                Startup += SingleInstanceController_Startup;
                StartupNextInstance += this_StartupNextInstance;
            }

            void SingleInstanceController_Startup(object sender, StartupEventArgs e)
            {
            }

            void this_StartupNextInstance(object sender, StartupNextInstanceEventArgs e)
            {
                FormMain form = MainForm as FormMain; //My derived form type
                
                if (form.WindowState == FormWindowState.Minimized)
                {
                    form.Show();
                    form.ShowInTaskbar = true;
                    form.WindowState = FormWindowState.Normal;
                    // bring to front
                    form.Activate();
                }
            }

            protected override void OnCreateMainForm()
            {
                MainForm = new FormMain();
            }

            
        }

        /// <summary>
        /// Check to see which Command Line Args were passed to the application
        /// </summary>
        /// <param name="CommandLineArgs">String array containing all command line arguments</param>
        /// <return>A value indicating if the application needs to be closed or not</return>
        private static bool HandleCommandLineArgs(string[] CommandLineArgs)
            {
                if (CommandLineArgs.Length > 0)
                {
                    if (CommandLineArgs[0] == "-v")
                    {
                        Utils.WriteLine("Version " + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString(),ConsoleColor.Yellow);
                        Console.ReadKey();
                        Utils.ConsWrite(DebugMSG_Type.always, "Application ended!!!!");
                        System.Windows.Forms.Application.Exit();
                        return false;
                    }
                    else if (CommandLineArgs[0] == "-h" || CommandLineArgs[0] == "help")
                    {
                        Console.WriteLine("\nOptions:\n");
                        Console.WriteLine("-d [to decrypt] [key]\t Decrypts a string using the specified key");
                        Console.WriteLine("-e [to encrypt] [key]\t Encrypts a string using the specified key");
                        Console.ReadKey();
                        System.Windows.Forms.Application.Exit();
                        return false;
                    }

                    else if (CommandLineArgs[0] == "-d" && CommandLineArgs[1] != null && CommandLineArgs[2] != null)
                    {
                        try
                        {
                            //Console.WriteLine("Decrypt required for " + args[1]);
                            Console.WriteLine("" + Encryption.Decrypt(CommandLineArgs[1], CommandLineArgs[2]));
                        }
                        catch (Exception ex)
                        {

                        }
                        finally
                        {
                            Console.WriteLine("Press any key to exit...");
                            Console.ReadKey();
                            System.Windows.Forms.Application.Exit();
                        }
                        return false;
                    }

                    else if (CommandLineArgs[0] == "-e" && CommandLineArgs[1] != null && CommandLineArgs[2] != null)
                    {
                        try
                        {
                            //Console.WriteLine("Encrypt required for " + args[1]);
                            Console.WriteLine("" + Encryption.Encrypt(CommandLineArgs[1], CommandLineArgs[2]));
                        }
                        catch (Exception ex)
                        {

                        }
                        finally
                        {
                            Console.WriteLine("Press any key to exit...");
                            Console.ReadKey();

                            System.Windows.Forms.Application.Exit();
                        }
                        return false;
                    }
                    // let the console to be visible
                    else if (CommandLineArgs[0] == "-c")
                    {
                        isConsoleEnabled = true;
                        setConsoleWindowVisibility(true, Console.Title);
                        LOGS.WRITE_LOGS = true;
                    }
                    // let the console to be visible
                    else if (CommandLineArgs[0] == "-l")
                    {
                        isConsoleEnabled = false;
                        setConsoleWindowVisibility(false, Console.Title);
                        LOGS.WRITE_LOGS = true;
                    }
                    // hide the console
                    else
                    {
                        setConsoleWindowVisibility(false, Console.Title);
                    }
                }
                else
                    setConsoleWindowVisibility(false, Console.Title);

                return true;
            }



        [DllImport("user32.dll")]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll")]
        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
        public static void setConsoleWindowVisibility(bool visible, string title)
        {

            isConsoleEnabled = visible;

            IntPtr hWnd = IntPtr.Zero;
            while (hWnd == IntPtr.Zero)
            {
                hWnd = FindWindow(null, title);

                if (hWnd != IntPtr.Zero)
                {
                    if (!visible)
                        //Hide the window                       
                        ShowWindow(hWnd, 0); // 0 = SW_HIDE               
                    else
                        //Show window again                   
                        ShowWindow(hWnd, 1); //1 = SW_SHOWNORMA          
                }
                Thread.Sleep(100);
            }
        }

    }
}