///
/// Copyright (c) 2020 Sensus Slovensko a.s.
///
using System;
using System.IO;
using System.Windows.Forms;
using EventViewer.Resources;

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

        /// Local settings
        public static string ExecutableDirectory;
        public static string ConfigDirectory;
        public static string LocalSettingsFileName;
        public static string LocalSettingsBackupName;
        public static LocalSettings LocalSettings;

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            /// 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
            ExecutableDirectory = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);

            /// Config directory is a sibling directory of the executable directory 
            ConfigDirectory = Path.Combine(ExecutableDirectory, "..", string.Format("Cfg{0}", (args.Length >= 1) ? args[0] : string.Empty));
            LocalSettingsFileName = Path.Combine(ConfigDirectory, "config.xml");
            LocalSettingsBackupName = Path.Combine(ConfigDirectory, "config.backup.xml");

            ///// Configue and start logging
            //log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo(ConfigDirectory + "log4netConfig.xml"));
            //log = LogManager.GetLogger(typeof(Program));
            //log.Fatal("------------------------------------------------------------------------------------------------");
            //log.Fatal("started");

            ///
            /// Load the local settings
            ///
            bool isConfigReadOnly = false;
            LocalSettings = LocalSettings.Load(Program.LocalSettingsFileName);
            if (LocalSettings == null)
            {
                /// Loading local seetings from regular config file failed. Use the backup
                LocalSettings = LocalSettings.Load(Program.LocalSettingsBackupName);
                if (LocalSettings == null)
                {
                    MessageBox.Show(Strings.No_program_settings_found + Strings.Using_default_settings,
                                    string.Empty,
                                    MessageBoxButtons.OK,
                                    MessageBoxIcon.Information);

                    /// Create new default settings
                    LocalSettings = new LocalSettings(true);
                }

                try
                {
                    /// Create config directory if it is missing
                    if (!Directory.Exists(ConfigDirectory)) Directory.CreateDirectory(ConfigDirectory);
                    /// Save settings (overwrite a wrong file in case loading settings failed
                    LocalSettings.Save();
                }
                catch (Exception)
                {
                    isConfigReadOnly = true;
                }
            }
            else
            {
                try
                {
                    /// Loading local seetings from the regular config file was successful. Update the backup
                    File.Copy(Program.LocalSettingsFileName, Program.LocalSettingsBackupName, true);
                }
                catch (Exception)
                {
                    isConfigReadOnly = true;
                }
            }

            try
            {
                string culture = (LocalSettings.Language != null) ? LocalSettings.Language.Replace('_', '-') : "EN";
                System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo(culture);
                System.Threading.Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo(culture);
            }
            catch (Exception e)
            {
                string msg = e.Message;
                MessageBox.Show(Strings.Selected_language_is_not_supported + Environment.NewLine + Strings.Using_English,
                                Strings.Warning,
                                MessageBoxButtons.OK,
                                MessageBoxIcon.Asterisk);

                System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en");
                System.Threading.Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo("en");
            }


            /// This belongs to Application.Run(new MainWnd()) ...
            /// and should be executed before opening 'loginDlg'
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);


            try
            {
                /// Open the main application window
                Application.Run(new EventViewerWnd());
            }
            catch (Exception)
            {
                //LogException(log, "Exception in Application.Run(new ResultsBrowserWnd(args))", e);
            }
            finally
            {
                /// Save local settings
                LocalSettings.Save();
            }

            /// Close Fluent NHibernate
            /// Todo
        }

        static void MyHandler(object sender, UnhandledExceptionEventArgs args)
        {
            //LogException(log, "Unhandled exception", (Exception)args.ExceptionObject);
        }

        //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("--------------------------------------");
        //}
    }
}