using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
using System.Collections;

public class AudioManager : MonoBehaviour
{
    public static AudioManager instance;

    [Header("Audio Source")]
    public AudioSource bgmSource;
    public AudioSource sfxSource;

    [Header("Audio Clip")]
    public AudioClip bgmClip;
    public AudioClip buttonClickSFX;

    [Header("UI Icons")]
    public Sprite soundOnIcon;
    public Sprite soundOffIcon;

    private bool isMuted = false;

    private void Awake()
    {
        if (instance == null)
        {
            instance = this;
            DontDestroyOnLoad(gameObject);

            isMuted = PlayerPrefs.GetInt("SoundMuted", 0) == 1;

            SiapkanAudioSource();
            PutarBGM();

            SceneManager.sceneLoaded += SaatSceneBaruDibuka;
        }
        else
        {
            Destroy(gameObject);
        }
    }

    private void OnDestroy()
    {
        if (instance == this)
        {
            SceneManager.sceneLoaded -= SaatSceneBaruDibuka;
        }
    }

    private void SiapkanAudioSource()
    {
        if (bgmSource != null)
        {
            bgmSource.mute = isMuted;
            bgmSource.loop = true;
            bgmSource.spatialBlend = 0f;

            if (bgmClip != null)
                bgmSource.clip = bgmClip;
        }

        if (sfxSource != null)
        {
            sfxSource.mute = isMuted;
            sfxSource.loop = false;
            sfxSource.playOnAwake = false;
            sfxSource.spatialBlend = 0f;
            sfxSource.volume = 1f;
        }
    }

    private void PutarBGM()
    {
        if (bgmSource == null) return;
        if (bgmSource.clip == null) return;

        if (!bgmSource.isPlaying)
            bgmSource.Play();
    }

    private void SaatSceneBaruDibuka(Scene scene, LoadSceneMode mode)
    {
        StartCoroutine(PasangSoundButtonSetelahSceneLoad());
    }

    private IEnumerator PasangSoundButtonSetelahSceneLoad()
    {
        yield return null;
        PasangSoundKeSemuaButton();
    }

    public void PasangSoundKeSemuaButton()
    {
        Button[] semuaButton = FindObjectsOfType<Button>(true);

        foreach (Button btn in semuaButton)
        {
            btn.onClick.RemoveListener(PlayButtonClick);
            btn.onClick.AddListener(PlayButtonClick);
        }
    }

    public void PlayButtonClick()
    {
        if (isMuted) return;
        if (sfxSource == null) return;
        if (buttonClickSFX == null) return;

        sfxSource.PlayOneShot(buttonClickSFX);
    }

    public void ToggleSound(Image buttonImage)
    {
        isMuted = !isMuted;

        PlayerPrefs.SetInt("SoundMuted", isMuted ? 1 : 0);
        PlayerPrefs.Save();

        if (bgmSource != null)
            bgmSource.mute = isMuted;

        if (sfxSource != null)
            sfxSource.mute = isMuted;

        if (buttonImage != null)
            buttonImage.sprite = isMuted ? soundOffIcon : soundOnIcon;
    }

    public void ResetMute()
    {
        isMuted = false;
        PlayerPrefs.SetInt("SoundMuted", 0);
        PlayerPrefs.Save();

        if (bgmSource != null)
            bgmSource.mute = false;

        if (sfxSource != null)
            sfxSource.mute = false;
    }
}