using System.Configuration;
using System.Data;
using System.IO;
using System.Windows;
using System.Windows.Media;
using System.Windows.Threading;
using BrilliantSightClient.Model.Exceptions;
using log4net;
using log4net.Config;
using BrilliantSightClient.Model.Helper;
using BrilliantSightClient.ViewModel.Configuration.SettingsPages;

namespace BrilliantSightClient;

/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
    private static readonly ILog Logger = LogManager.GetLogger(typeof(App));
    
    private static Mutex? _mutex = null;
    
    protected override void OnStartup(StartupEventArgs e)
    {
        const string appName = "BrilliantSight"; 
        bool createdNew;
        _mutex = new Mutex(true, $"Global\\{{{appName}}}", out createdNew);
        if (!createdNew)
        {
            MessageBox.Show("An instance of this application is already running.", 
                "BrilliantSight Is Running", 
                MessageBoxButton.OK, 
                MessageBoxImage.Warning);
            Shutdown();
            return;
        }
        base.OnStartup(e);   
        //加载日志配置文件
        XmlConfigurator.Configure(new FileInfo("log4net.config"));
        Logger.Info("==== ==== ==== ==== ==== ==== ==== ====");
        Logger.Info("App Client Start: App Initialize");
        
        Logger.Info("Loaded Logs Config: log4net.config");
        //运行是否需要归档
        Log4NetHelper.ArchiveOldLogs();
        Logger.Info("Check Logs need to be archived");
        //打开数据库连接
        //读取数据库多语言配置
        DataBaseHelper.CreateConnection();
        Logger.Info("Create Sqlite Connection...");
        
        Logger.Info("Load Language Set");
        string LanguageId = Settings.SelectValueById("LanguageId");
        if (LanguageId.Length == 0)
        {
            LanguageId = "zh-cn";
        } 
        MultilingualHelper.setLanguage(LanguageId);
        Logger.Info($"Loaded Language is {LanguageId}");
        string runMode = Settings.SelectValueById("RunMode");
        Logger.Info($"Load RunMode Set {runMode}");
        if (runMode.Length != 0 && int.TryParse(runMode, out int iRunMode))
        {
            Common.RunMode = iRunMode;
        }
        else
        {
            Common.RunMode = 0;
        }
        Logger.Info($"Load RunMode is {Common.RunMode}");
        
        Logger.Info("App Client Start: App Initialize Succeed !!!");
        DispatcherUnhandledException += (s, ex) =>
        {
            
            MessageBox.Show($"致命错误: {ex.Exception.Message}");
            Logger.Error($"发生致命错误！！！{ex.Exception.Message}{ex.Exception.StackTrace}");
            ex.Handled = true;
        };
        Logger.Info("==== ==== ==== ==== ==== ==== ==== ====");
    }
    
    protected override void OnExit(ExitEventArgs e)
    {
        _mutex?.ReleaseMutex();
        base.OnExit(e);
    }
}