using System;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
using Avalonia;
using Avalonia.Logging;
using Avalonia.ReactiveUI;
using DispenserUI;
using Serilog;

namespace DispenserDesktop;

internal class Program
{
    // Initialization code. Don't use any Avalonia, third-party APIs or any
    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
    // yet and stuff might break.
    [STAThread]
    public static void Main(string[] args)
    {
        try
        {
            AppDomain.CurrentDomain.UnhandledException += UnhandledExceptionCatcher;
            TaskScheduler.UnobservedTaskException += UnhandledTaskExceptionCatcher;

            var mutex = new Mutex(true, Process.GetCurrentProcess().ProcessName, out var createdNew);
            // 通过互斥锁来实现进制应用多开
            if (!createdNew)
            {
                Environment.Exit(1);
            }
            else
            {
                // 获取到锁
                BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
            }

            // 释放信号量
            mutex.ReleaseMutex();
        }
        catch (Exception e)
        {
            Console.WriteLine($"程序捕获崩溃异常: {e.StackTrace}");
            Log.Fatal(e, $"程序捕获崩溃异常: {e.Message}");
        }
        finally
        {
            Log.CloseAndFlush();
        }
    }

    private static void UnhandledExceptionCatcher(object? sender, UnhandledExceptionEventArgs e)
    {
        Log.Fatal(e.ExceptionObject as Exception, $"捕获到未处理异常: {((Exception)e.ExceptionObject).Message}");
    }

    /// <summary>
    /// 捕获全局异步线程异常
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private static void UnhandledTaskExceptionCatcher(object? sender, UnobservedTaskExceptionEventArgs e)
    {
        Log.Fatal(e.Exception, $"捕获到异步线程异常: {e.Exception.Message}");
        e.SetObserved();
    }


    // Avalonia configuration, don't remove; also used by visual designer.
    public static AppBuilder BuildAvaloniaApp()
    {
        return AppBuilder.Configure<App>()
            .UsePlatformDetect()
            .With(new SkiaOptions { MaxGpuResourceSizeBytes = 8096000 })
            // 开启debug日志级别
            .LogToTrace(LogEventLevel.Debug)
            .WithInterFont()
            .UseReactiveUI();
    }
}