using System;
using UnityEngine;
using UnityEngine.Audio;

namespace OHM.UnityToolkit
{
	[Serializable]
	public class SFX
	{
		public SFXInstance customPrefab;

		public AudioClip clip;

		public AudioMixerGroup group;

		public SFXInstance Play(Transform parent)
		{
			if (customPrefab == null && clip == null)
			{
				return null;
			}
			SFXInstance instance = Instanciate(parent);
			if (instance.audioSource != null)
			{
				instance.audioSource.clip = clip;
			}
			if (group != null)
			{
				instance.audioSource.outputAudioMixerGroup = group;
			}
			instance.name = ((instance.audioSource.clip != null) ? ("SFX_" + instance.audioSource.clip.name) : "SFX_noclip");
			instance.audioSource.Play();
			return instance;
		}

		private SFXInstance Instanciate(Transform parent)
		{
			SFXInstance prefab = ((customPrefab != null) ? customPrefab : createDefaultInstance());
			SFXInstance instance = UnityEngine.Object.Instantiate(prefab);
			instance.gameObject.transform.parent = parent;
			instance.gameObject.transform.localPosition = Vector3.zero;
			return instance;
		}

		private SFXInstance createDefaultInstance()
		{
			var go = new GameObject();
			AudioSource source = go.AddComponent<AudioSource>();
			source.spatialBlend = 0f;
			source.playOnAwake = true;
			SFXInstance instance = go.AddComponent<SFXInstance>();
			instance.autoDestroyOnEnd = true;
			return instance;
		}

	}
}