using System.Collections.Generic;
using System.IO;
using System.Reflection;
using log4net;
using UnityEditor;
using UnityEngine;

public class AudioLibrary : MonoBehaviour
{
	private static ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
	public List<GameObject> audios;
	public string audioAssetsBundleName = "audio";
	public string manageableAudioFolder = "Assets/Prefabs/Audio";

	public void Awake()
	{
		LoadAvailableSounds();
	}

	/// <summary>
	/// Loads all ManageableAudioPrefabs from an asset bundle if built or
	/// from the assets folder when in editor.
	/// TODO: DO NOT FORGET TO manually BUILD ASSET BUNDLES WHEN BUILDING
	/// </summary>
	private void LoadAvailableSounds()
	{
#if UNITY_EDITOR
		string[] files = Directory.GetFiles(manageableAudioFolder, "*.prefab",
			SearchOption.TopDirectoryOnly);
		List<GameObject> gos = new List<GameObject>();
		foreach (var file in files)
		{
			gos.Add(AssetDatabase.LoadAssetAtPath<GameObject>(file));
		}
		foreach (GameObject go in gos)
		{
			if (go.TryGetComponent<ManageableAudio>(out _))
			{
				audios.Add(go);
			}
			else
			{
				Log.Warn("Audio library can only load prefabs with ManageableAudio components!");
			}
		}
#else
		var audioAssetBundle = AssetBundle.LoadFromFile(Path.Combine(Application.streamingAssetsPath, audioAssetsBundleName));
		if (audioAssetBundle == null)
		{
			Log.Error("Failed to load arenas asset bundle!");
			return;
		}
		List<GameObject> gos = new List<GameObject>();
		gos.AddRange(audioAssetBundle.LoadAllAssets<GameObject>());

		foreach (GameObject go in gos)
		{
			if (go.TryGetComponent<ManageableAudio>(out _))
			{
				audios.Add(go);
			}
			else
			{
				Log.Warn("Audio library can only load prefabs with ManageableAudio components!");
			}
		}
#endif
	}

}