using System;
using System.Collections.Generic;

namespace Syntriax.Engine.Core;

public class Event<TSender>
{
    private readonly List<EventHandler> listeners = new(8);

    public void AddListener(EventHandler listener) => listeners.Add(listener);
    public void RemoveListener(EventHandler listener) => listeners.Remove(listener);
    public void Clear() => listeners.Clear();
    public void Invoke(TSender argument)
    {
        for (int i = 0; i < listeners.Count; i++)
            try { listeners[i].Invoke(argument); }
            catch (Exception exception)
            {
                string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}({argument})";
                Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
            }
    }

    public delegate void EventHandler(TSender sender);
}

public class Event<TSender, TArguments>
{
    private readonly List<EventHandler> listeners = new(8);

    public void AddListener(EventHandler listener) => listeners.Add(listener);
    public void RemoveListener(EventHandler listener) => listeners.Remove(listener);
    public void Clear() => listeners.Clear();
    public void Invoke(TSender sender, TArguments arguments)
    {
        for (int i = 0; i < listeners.Count; i++)
            try { listeners[i].Invoke(sender, arguments); }
            catch (Exception exception)
            {
                string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}({string.Join(", ", sender, arguments)})";
                Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
            }
    }

    public delegate void EventHandler(TSender sender, TArguments arguments);
}