#nullable enable

using System;
using System.Collections.Generic;

namespace ShrinkModFramework;

public sealed class ShrinkModContext
{
    private readonly Dictionary<Type, object> _services = new();
    public ShrinkModContext(string modDirectory) => ModDirectory = modDirectory ?? throw new ArgumentNullException(nameof(modDirectory));
    public string ModDirectory { get; }
    public void RegisterService<T>(T service) where T : class => _services[typeof(T)] = service ?? throw new ArgumentNullException(nameof(service));
    public bool TryGetService<T>(out T? service) where T : class
    {
        service = _services.TryGetValue(typeof(T), out var value) ? value as T : null;
        return service != null;
    }
    public T GetRequiredService<T>() where T : class => TryGetService<T>(out var value) ? value! : throw new InvalidOperationException($"Service is not registered: {typeof(T).FullName}");
}

public interface IShrinkModUnload
{
    void OnUnload(ShrinkModContext context);
}