using System;

using Syntriax.Engine.Core.Abstract;

namespace Syntriax.Engine.Core;

public class BehaviourCollectorSorted<T> : BehaviourCollector<T> where T : class
{
    private Comparison<T>? _sortBy = null;
    public Comparison<T>? SortBy
    {
        get => _sortBy;
        set
        {
            _sortBy = value;

            if (value is not null)
                behaviours.Sort(value);
        }
    }

    protected override void OnBehaviourAdd(IBehaviour behaviour)
    {
        if (SortBy is not null)
            behaviours.Sort(SortBy);
    }

    public BehaviourCollectorSorted() { }
    public BehaviourCollectorSorted(IGameManager gameManager, Comparison<T> sortBy) : base(gameManager) => SortBy = sortBy;
}