using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.SceneManagement;

namespace Scampz.GameJam.Assets.Scripts
{
  public class BGMManager : MonoBehaviour
  {

    [SerializeField]
    private AudioClip[] backgroundMusic;

    private static BGMManager _instance;
    private static AudioSource _audioSource;

    public static BGMManager Instance
    {
      get
      {
        if (!_instance)
        {
          _instance = new GameObject().AddComponent<BGMManager>();
          _instance.name = _instance.GetType().ToString();
          _audioSource = new GameObject().AddComponent<AudioSource>();
          DontDestroyOnLoad(_instance.gameObject);
          DontDestroyOnLoad(_audioSource.gameObject);
        }

        return _instance;
      }
    }

    public void PlaySong()
    {
      _audioSource.Stop();

      var sceneCount = SceneManager.sceneCount;
      var scenes = new List<Scene>();

      for (var i = 0; i < sceneCount; ++i)
        scenes.Add(SceneManager.GetSceneAt(i));

      AudioClip audioClipToPlay = null;

      if (scenes.Any(x => x.name.Contains("Temple")))
        audioClipToPlay = backgroundMusic[0];
      if (scenes.Any(x => x.name.Contains("Sanctum")))
        audioClipToPlay = backgroundMusic[1];

      if (audioClipToPlay != _audioSource.clip)
      {
        _audioSource.clip = audioClipToPlay;
        _audioSource.Play();
      }
    }


  }
}