using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace MMOLoader
{
    public partial class EQVersion : Form
    {
        public EQVersion()
        {
            InitializeComponent();
        }

        private void closeButton_Click(object sender, EventArgs e)
        {
            Hide();
        }

        private void exeLocationButton_Click(object sender, EventArgs e)
        {
            SelectFile();
        }

        private void SelectFile()
        {
            this.Enabled = false;
            exeOpenFileDialog.InitialDirectory = exeLocationTextBox.Text;
            DialogResult drResult = exeOpenFileDialog.ShowDialog();
            if (drResult != DialogResult.OK)
            {
                this.Enabled = true;
                return;
            }
            exeLocationTextBox.Text = exeOpenFileDialog.FileName;
            ReadAndDisplayVersion();
            this.Enabled = true;
        }

        private void ReadAndDisplayVersion()
        {
            try
            {
                FileStream fs = File.OpenRead(exeOpenFileDialog.FileName);
                byte[] buffer = new byte[fs.Length];
                int bytesRead = fs.Read(buffer, 0, buffer.Length);
                fs.Close();
                if (bytesRead > 0)
                {
					string tmpBuffer = ASCIIEncoding.ASCII.GetString(buffer);
					int startLoc = tmpBuffer.IndexOf("Client Version: %s %s") + 48;
					versionTextBox.Text = tmpBuffer.Substring(startLoc);
					startLoc += versionTextBox.TextLength + 1;
					versionTextBox.Text += " " + tmpBuffer.Substring(startLoc);
					if (!(versionTextBox.Text.Contains("20")))
					{
						versionTextBox.Text = "";
						startLoc = tmpBuffer.IndexOf("Client Version: %s %s") - 22;
						string verDate = "                           ", verTime = "                      ";
						for (int z = startLoc; z >= 0 && z > startLoc - 100; z--)
						{
							if (tmpBuffer[z] == 0)
							{
								verTime = tmpBuffer.Substring(z + 1);
								if (verTime.Length == 0)
									verTime = "Unknown";
								startLoc = tmpBuffer.IndexOf("Client Version: %s %s") - 2;
								for (int y = startLoc; y >= 0 && y > startLoc - 100; y--)
								{
									if (tmpBuffer[y] == 0)
									{
										verDate = tmpBuffer.Substring(y + 1);
										if (verDate.Length == 0)
											verDate = "Unknown";
										versionTextBox.Text = verDate;
										versionTextBox.Text += " " + verTime;
										break;
									}
								}
								break;
							}
						}
						if (versionTextBox.TextLength == 0)
							versionTextBox.Text = "Unknown";
					}

				}
				else
                {
                    versionTextBox.Text = "Unknown";
                }
                MainForm.EQType eqType = MainForm.GetEQType(exeOpenFileDialog.FileName);
                if (eqType == MainForm.EQType.BETA_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Beta Server";
                }
                else if (eqType == MainForm.EQType.LIVE_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Live Servers";
                }
                else if (eqType == MainForm.EQType.TEST_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Test Server";
                }
                else if (eqType == MainForm.EQType.EMU_MAC_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Mac (Macintosh/Al'Kabor) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_ROF2_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Rain of Fear 2 (ROF2) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_ROF_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Rain of Fear (ROF) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_HOT_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  House of Thule (HOT) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_UF_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Underfoot (UF) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_SOD_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Seeds of Destruction (SOD) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_SOF_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Secrets of Faydwer (SOF) EMU";
                }
                else if (eqType == MainForm.EQType.EMU_TIT_TYPE)
                {
                    versionLabel.Text = "Version of EverQuest:  Titanium (TIT) EMU";
                }
                else
                {
                    versionLabel.Text = "Version of EverQuest:  Unknown Client Type";
                }
            }
            catch (Exception ex)
            {
                versionTextBox.Text = ex.Message;
            }
        }

    }
}