///
/// Copyright (c) 2016-2017 Sensus Metering Systems
///
using System;
using System.IO;
using System.Windows.Forms;
using log4net;

namespace DeviceTest
{
    static class Program
    {
		/// Program information
		public static string Version;			/// version string
		public static DateTime BuildDateTime;	/// date and time of program build

		/// log4net
		static ILog log;
		const string log4netConfigFName = "log4netConfig.xml";

		/// Local settings
		public static readonly string LocAppDataDir;
		public static readonly string LocalSettingsFileName;
		public static readonly string LocalSettingsBackupName;
		public static LocalSettings LocalSettings;

		static Program()
		{
			/// Program version string
			System.Reflection.Assembly thisAssembly = System.Reflection.Assembly.GetExecutingAssembly();
			Version ver = thisAssembly.GetName().Version;
			Version = string.Format("{0}.{1}.{2}", ver.Major, ver.Minor, ver.Build);
			BuildDateTime = new System.IO.FileInfo(thisAssembly.Location).LastWriteTime;

			/// Local program configuration directory including the trailing backslash
			LocAppDataDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) +
							Path.DirectorySeparatorChar + "TestBenchFramework" + Path.DirectorySeparatorChar;
			LocalSettingsFileName = LocAppDataDir + "DeviceTest.xml";
			LocalSettingsBackupName = LocAppDataDir + "DeviceTest.backup.xml";
		}

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main()
		{
			///
			/// Load the local settings
			///
			Program.LocalSettings = LocalSettings.Load(Program.LocalSettingsFileName);
			if (Program.LocalSettings == null)
			{
				/// Loading local seetings from regular config file failed. Use the backup
				Program.LocalSettings = LocalSettings.Load(Program.LocalSettingsBackupName);
				if (Program.LocalSettings == null)
				{
					MessageBox.Show("Na tomto počítači nebol tento program ani raz spustený.\r\nPoužijú sa základné nastavenia.", "Upozornenie", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
					Program.LocalSettings = new LocalSettings();
					Directory.CreateDirectory(LocAppDataDir);
					Program.LocalSettings.Save();
				}
				else
				{
					LocalSettings.Save();	/// Save the settings to overwrite the wrong file
				}
			}
			else
			{
				/// Loading local seetings from the regular config file was successful. Update the backup
				File.Copy(Program.LocalSettingsFileName, Program.LocalSettingsBackupName, true);
			}

			/// Configure and start logging
			log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo(Path.Combine(LocAppDataDir, log4netConfigFName)));
			log = LogManager.GetLogger(typeof(Program));
			log.Fatal("--------------------------------------------------------------------------------");
			log.FatalFormat("DeviceTest ver.{0}", Version);

			Application.EnableVisualStyles();
			Application.SetCompatibleTextRenderingDefault(false);

			try
			{
				DeviceTestDlg dlg = new DeviceTestDlg();
				Application.Run(dlg);
			}
			catch (Exception exc)
			{
				LogException(log, "Exception in Application.Run(DeviceTestDlg)", exc);
				MessageBox.Show("Program havaroval:" +
								Environment.NewLine + Environment.NewLine + exc.Message +
								((exc.InnerException == null) ? string.Empty : (Environment.NewLine + exc.InnerException.Message)) +
								Environment.NewLine + exc.StackTrace,
								"Pozor!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
			}
		}

		static void LogException(ILog log, string description, Exception e)
		{
			log.FatalFormat("---------------( {0} )---------------", description);
			log.FatalFormat("Message      : {0}", e.Message);
			if (e.InnerException != null)
			{
				log.FatalFormat("InnerMessage : {0}", e.InnerException.Message);
			}
			log.FatalFormat("StackTrace   : {0}{1}", Environment.NewLine, e.StackTrace);
			log.Fatal("--------------------------------------");
		}
	}
}