using System.Windows.Threading;
using CloudPrint.Client.Models;
using CloudPrint.Client.Services;

namespace CloudPrint.Client;

public partial class App : System.Windows.Application
{
	private readonly FileAppLogger _logger = new();

	protected override void OnStartup(System.Windows.StartupEventArgs e)
	{
		base.OnStartup(e);
		DispatcherUnhandledException += OnDispatcherUnhandledException;
		AppDomain.CurrentDomain.UnhandledException += OnUnhandledException;
		TaskScheduler.UnobservedTaskException += OnUnobservedTaskException;
	}

	private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
	{
		_logger.Write(AppLogEntry.FromException("UI 未处理异常", e.Exception));
		e.Handled = true;
	}

	private void OnUnhandledException(object sender, UnhandledExceptionEventArgs e)
	{
		if (e.ExceptionObject is Exception exception)
		{
			_logger.Write(AppLogEntry.FromException("应用未处理异常", exception));
		}
	}

	private void OnUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
	{
		_logger.Write(AppLogEntry.FromException("后台任务未观察异常", e.Exception));
		e.SetObserved();
	}
}