using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

public class MusicManager : MonoBehaviour
{
    private static MusicManager Instance;
    private AudioSource audioSource;
    public AudioClip backgroundMusic;
    [SerializeField] private Slider musicSlider;

    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
            audioSource = GetComponent<AudioSource>();
            DontDestroyOnLoad(gameObject);
            SceneManager.sceneLoaded += OnSceneLoaded;
        }
        else
        {
            Destroy(gameObject);
        }
    }

    void Start()
    {
        if (backgroundMusic != null)
        {
            PlayBackgroundMusic(false, backgroundMusic);
        }

        musicSlider.onValueChanged.AddListener(delegate { SetVolume(musicSlider.value); });
    }

    public static void SetVolume(float volume)
    {
        Instance.audioSource.volume = volume;
    }

    public static void PlayBackgroundMusic(bool resetSong, AudioClip audioClip = null)
    {
        if (audioClip != null)
        {
            Instance.audioSource.clip = audioClip;
        }
        if (Instance.audioSource.clip != null)
        {
            if (resetSong)
            {
                Instance.audioSource.Stop();
            }
            Instance.audioSource.Play();
        }
    }

    public static void PauseBackgroundMusic()
    {
        Instance.audioSource.Pause();
    }

    private void OnSceneLoaded(Scene scene, LoadSceneMode mode)
    {
        // Try to find the slider in the new scene
        musicSlider = Object.FindFirstObjectByType<Slider>(FindObjectsInactive.Include); // Or use a tag or specific name for your music slider
        if (musicSlider != null)
        {
            musicSlider.onValueChanged.RemoveAllListeners();
            musicSlider.onValueChanged.AddListener(delegate { SetVolume(musicSlider.value); });
            musicSlider.value = audioSource.volume;
        }
    }
}