using UnityEngine;

namespace Svelto.Ticker
{
    class UnityTicker : ITicker
    {
        public UnityTicker()
        {
            _ticker = Object.FindObjectOfType<TickBehaviour>();

            if (_ticker == null)
            {
                var go = new GameObject("SveltoTicker");

                _ticker = go.AddComponent<TickBehaviour>();
            }
        }

        public void Add(ITickableBase tickable)
        {
            if (tickable is ITickable)
                _ticker.Add(tickable as ITickable);

            if (tickable is IPhysicallyTickable)
                _ticker.AddPhysic(tickable as IPhysicallyTickable);

            if (tickable is ILateTickable)
                _ticker.AddLate(tickable as ILateTickable);

            if (tickable is IEndOfFrameTickable)
                _ticker.AddEndOfFrame(tickable as IEndOfFrameTickable);

            if (tickable is IIntervaledTickable)
                _ticker.AddIntervaled(tickable as IIntervaledTickable);
        }

        public void Remove(ITickableBase tickable)
        {
            if (tickable is ITickable)
                _ticker.Remove(tickable as ITickable);

            if (tickable is IPhysicallyTickable)
                _ticker.RemovePhysic(tickable as IPhysicallyTickable);

            if (tickable is ILateTickable)
                _ticker.RemoveLate(tickable as ILateTickable);

            if (tickable is IEndOfFrameTickable)
                _ticker.RemoveEndOfFrame(tickable as IEndOfFrameTickable);

            if (tickable is IIntervaledTickable)
                _ticker.RemoveIntervaled(tickable as IIntervaledTickable);
        }

        readonly TickBehaviour _ticker;
    }
}