using System;
using System.Diagnostics;

namespace JiLinApp.Core.Avalonia;

public class RxAppExceptionHandler : IObserver<Exception>
{
    private static RxAppExceptionHandler? _instance;

    public static RxAppExceptionHandler Instance
    {
        get
        {
            return _instance ??= new();
        }
    }

    public delegate void ExceptionHandler(Exception e);

    public event ExceptionHandler? OnExceptionHandler;

    public void OnNext(Exception e)
    {
        if (Debugger.IsAttached) Debugger.Break();
        OnException(e);
    }

    public void OnError(Exception e)
    {
        if (Debugger.IsAttached) Debugger.Break();
        OnException(e);
    }

    public void OnCompleted()
    {
    }

    private void OnException(Exception e)
    {
        OnExceptionHandler?.Invoke(e);
    }
}