using System;
using MyCollections.Timer;

namespace MyCollections.Stats
{
    public abstract class StatModifier : IDisposable
    {
        public bool MarkedForRemoval { get; private set; }
        public event Action<StatModifier> OnDispose = delegate { };

        private CountdownTimer timer;

        protected StatModifier(float duration)
        {
            if (duration <= 0) return;

            //Sets the timer
            timer = new CountdownTimer(duration);
            timer.OnTimerStop += () => MarkedForRemoval = true; //Subscribe to the action
            timer.Start(); //Starts the timer
        }

        //Updates the timer
        public void Update(float deltaTime) => timer?.Tick(deltaTime);
        public abstract void Handle(object sender, Query query);

        public void Dispose()
        {
            MarkedForRemoval = true;
            OnDispose.Invoke(this);
        }
    }
}