using System.Collections.Generic;
using UnityEngine;

public interface IPlayerInteractionSession
{
    string ReleasePrompt { get; }
    bool IsControlledBy(ulong clientId);
    void RequestRelease();
}

public static class PlayerInteractionSessionRegistry
{
    private static readonly HashSet<IPlayerInteractionSession> Sessions = new();

    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
    private static void ResetRegistry() => Sessions.Clear();

    public static void Register(IPlayerInteractionSession session)
    {
        if (session != null)
            Sessions.Add(session);
    }

    public static void Unregister(IPlayerInteractionSession session)
    {
        if (session != null)
            Sessions.Remove(session);
    }

    public static bool TryGetControlledSession(
        ulong clientId,
        out IPlayerInteractionSession session)
    {
        foreach (IPlayerInteractionSession candidate in Sessions)
        {
            if (candidate != null && candidate.IsControlledBy(clientId))
            {
                session = candidate;
                return true;
            }
        }

        session = null;
        return false;
    }
}