#if INVECTOR_PLAYABLESANIMATOR
using System.Collections.Generic;
using InvectorCore.Playables;
using UnityEngine;

namespace Invector
{
    /// <summary>
    /// PlayablesAnimator counterpart of <see cref="vTriggerSoundByState"/>. Plays one of
    /// <see cref="sounds"/> when the state crosses <see cref="triggerTime"/>, re-arming per loop.
    /// </summary>
    public class vTriggerSoundByStatePDM : PlayablesStateBehaviour
    {
        public GameObject audioSource;
        public List<AudioClip> sounds;
        public float triggerTime;

        [System.NonSerialized] private vFisherYatesRandom _random;
        [System.NonSerialized] private bool isTrigger;

        public override void OnStateEnter(in PlayablesStateContext context)
        {
            isTrigger = false;
        }

        public override void OnStateUpdate(in PlayablesStateContext context)
        {
            float normalizedTime = context.normalizedTime % 1f;

            if (normalizedTime >= triggerTime && !isTrigger)
                TriggerSound(context);
            else if (normalizedTime < triggerTime && isTrigger)
                isTrigger = false;
        }

        private void TriggerSound(in PlayablesStateContext context)
        {
            if (context.Animator == null || sounds == null || sounds.Count == 0)
                return;

            _random ??= new vFisherYatesRandom();
            isTrigger = true;

            Vector3 position = context.Animator.transform.position;
            GameObject audioObject;
            if (audioSource != null)
            {
                audioObject = Instantiate(audioSource, position, Quaternion.identity);
            }
            else
            {
                audioObject = new GameObject("audioObject");
                audioObject.transform.position = position;
            }

            AudioSource source = audioObject.GetComponent<AudioSource>();
            if (source == null)
                return;

            source.PlayOneShot(sounds[_random.Next(sounds.Count)]);
        }
    }
}
#endif