///
/// Copyright (c) 2018 Sensus Slovensko a.s.
///
using System;
using System.IO;
using System.Collections.Generic;
using System.Windows.Forms;
using Statistics.Resources;

namespace Statistics
{
    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 readonly string ExecutableDirectory;
        public static readonly string ConfigDirectory;
        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
            ExecutableDirectory = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
            ConfigDirectory = Path.Combine(ExecutableDirectory, "..\\Cfg\\");
            LocalSettingsFileName = ConfigDirectory + "config.xml";
            LocalSettingsBackupName = ConfigDirectory + "config.backup.xml";
        }

        
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            ///
            /// Load the local settings
            ///
            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 and save them
                    LocalSettings = new LocalSettings();
                    Directory.CreateDirectory(ConfigDirectory);
                    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);
            }

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

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new StatisticsDlg());
        }
    }
}