using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using SafeMobileLib;
using System.Net.Sockets;
using System.Net;
using Telerik.WinControls;
using System.Threading;

namespace AppServerMobile
{
    public partial class MainForm : Form
    {
        private TcpClient client;
        private BackgroundWorker bgWorkerRegistration;
        private WaitingForm wf;
        private SDRegistration sdReg;
        public MainForm()
        {
            testIfAlreadyRunning();
            InitializeComponent();


            Version v = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
            Console.WriteLine("Version: " + v.ToString());
            Console.WriteLine("--------AppServer MOBILE!!! " + v.ToString() + "---------");
            Console.WriteLine("--------www.safemobile.com---------------");
            this.Text += " " + v.ToString();

            Program.CFG = new Config();
            AndroidHandler aHandler = new AndroidHandler();
            aHandler.Start();
            MessageBussHandler mHandler = new MessageBussHandler(Program.CFG.msgBusIP, Program.CFG.msgBusPort);
            
            this.WindowState = FormWindowState.Minimized;
            this.Visible = false;
            notifyIcon1.Visible = true;

            try
            {
                Utils.WriteEventLog("Safemobile", "AppServerMobile ON", EventLogEntryType.Information, 3162);
            }
            catch (Exception ex)
            {
                SM.Debug("Unable to write log Event ex:" + ex.ToString());
            }            
            
            bgWorkerRegistration = new BackgroundWorker();
            bgWorkerRegistration.DoWork += new DoWorkEventHandler(bgWorkerRegistration_DoWork);
            bgWorkerRegistration.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bgWorkerRegistration_RunWorkerCompleted);
            bgWorkerRegistration.RunWorkerAsync();

            wf = new WaitingForm();
            wf.Show();                          
        }

        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            this.Visible = true;
            this.WindowState = FormWindowState.Normal;
            notifyIcon1.Visible = false;
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            this.Visible = false;
        }

        private void MainForm_Resize(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.Visible = false;
                notifyIcon1.Visible = true;
            }
        }

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            try
            {
                Utils.WriteEventLog("Safemobile", "AppServerMobile OFF", EventLogEntryType.Information, 3162);
                System.Environment.Exit(0);
            }
            catch (Exception ex)
            {
                SM.Debug("Unable to write log Event ex:" + ex.ToString());
            }
        }

        #region bg worker registration events
        void bgWorkerRegistration_DoWork(object sender, DoWorkEventArgs e)
        {
            sdReg = getRegistration();
        }

        void bgWorkerRegistration_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            if (wf != null)
                if (wf.IsInitialized)
                    if (wf.IsLoaded)
                    {
                        SM.Debug("Shuting down waiting form");
                        wf.Close();
                    }
            if (appServerMissing)
            {
                MessageBox.Show("Could not reach Application Server. Please check the connection and try again!!!", "Connection Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                System.Environment.Exit(0);
            }
            ContinueLogin();
        }
        #endregion

        private bool appServerMissing = false;
        private SDRegistration getRegistration()
        {
            SDRegistration toReturn = new SDRegistration();
            toReturn.ip = "valid";
           /* try
            {
                client = new TcpClient();
                IPEndPoint serverEndPoint = new IPEndPoint(IPAddress.Parse(Program.CFG.DB_IP), Program.CFG.regPort);
                client.Connect(serverEndPoint);
                NetworkStream clientStream = client.GetStream();
                System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
                byte[] buffer = encoding.GetBytes("400");
                //encryption doesn't work, to be added when working
                //byte[] encodedBuffer = Encryption.Encrypt(buffer);
                clientStream.Write(buffer, 0, buffer.Length);
                SM.Debug("Sent registration request to server, waiting...");
                byte[] message = new byte[128];
                //byte[] decryptedMessage = Encryption.Decrypt(message);
                clientStream.ReadTimeout = 10000;

                int result = clientStream.Read(message, 0, message.Length);

                SM.Debug("Received registration from server");
                String decodedString = encoding.GetString(message);                
                String[] options = decodedString.Split(';');                
                if (options[0].Equals("401"))
                {
                    if (options[1].StartsWith("inv"))
                    {
                        toReturn.ip = "invalid";
                    }
                    else
                    {
                        toReturn.ip = "valid";
                    }
                }
            }
            catch (Exception ex)
            {
                SM.Debug("Dongle registration:" + ex.ToString());
                appServerMissing = true;
                toReturn.ip = "invalid";
            }*/
            return toReturn;
        }

        private void ContinueLogin()
        {
            SM.Debug("Continuing login form after registration info aquired from app server IP:" + sdReg.ip);            
            if (sdReg.ip.Equals("invalid"))
            {                
                RadMessageBox.Show("Your dongle don't have license for Aplication Server Mobile", "Error", MessageBoxButtons.OK, RadMessageIcon.Error);
                System.Environment.Exit(1);
            }
        }

        private void testIfAlreadyRunning()
        {
            Process[] processlist = Process.GetProcesses();
            Process curentP = Process.GetCurrentProcess();
            int count = 0;
            foreach (Process theprocess in processlist)
            {
                if (theprocess.ProcessName == curentP.ProcessName)
                {
                    count++;
                }
            }
            if (count > 1)
            {
                SM.Debug("AppMobile already running!!!");
                DialogResult dr = MessageBox.Show("Aplication already running!!!Restart application?", "error", MessageBoxButtons.YesNo, MessageBoxIcon.Error);
                if (dr == DialogResult.No)
                {
                    System.Environment.Exit(0);
                }

                foreach (Process theprocess in processlist)
                {
                    if (theprocess.ProcessName == curentP.ProcessName)
                    {
                        Console.WriteLine("Process: {0} ID: {1}", theprocess.ProcessName, theprocess.Id);
                        Console.WriteLine("Curent Process: {0} ID: {1}", curentP.ProcessName, curentP.Id);
                        if (theprocess.Id != curentP.Id)
                        {
                            Console.WriteLine("Killing Process: {0} ID: {1}", theprocess.ProcessName, theprocess.Id);
                            theprocess.Kill();
                        }
                    }
                }
                Thread.Sleep(1000);
            }
        }
    }
}