using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class AudioManager : MonoBehaviour
{
    public static AudioManager Instance { get; private set; }

    private AudioSource bgmSource;
    private List<AudioSource> sfxSources = new List<AudioSource>();

    [Header("音量设置")]
    [Range(0f, 1f)] public float bgmVolume = 1f;
    [Range(0f, 1f)] public float sfxVolume = 1f;

    private void Awake()
    {
        if (Instance != null)
        {
            Destroy(gameObject);
            return;
        }
        Instance = this;
        DontDestroyOnLoad(gameObject);

        bgmSource = gameObject.AddComponent<AudioSource>();
        bgmSource.loop = true;
    }

    public void PlayBGM(string bgmName)
    {
        AudioClip clip = Resources.Load<AudioClip>($"Audio/{bgmName}");
        if (clip == null)
        {
            Debug.LogWarning($"未找到BGM: {bgmName}");
            return;
        }

        bgmSource.clip = clip;
        bgmSource.volume = bgmVolume;
        bgmSource.Play();
    }

    public void StopBGM()
    {
        bgmSource.Stop();
    }

    public void PlaySFX(string sfxName)
    {
        AudioClip clip = Resources.Load<AudioClip>($"Audio/{sfxName}");
        if (clip == null)
        {
            Debug.LogWarning($"未找到音效: {sfxName}");
            return;
        }

        AudioSource source = gameObject.AddComponent<AudioSource>();
        source.clip = clip;
        source.volume = sfxVolume;
        source.Play();
        sfxSources.Add(source);
        StartCoroutine(DestroySFXWhenDone(source));
    }

    private IEnumerator DestroySFXWhenDone(AudioSource source)
    {
        yield return new WaitForSeconds(source.clip.length);
        sfxSources.Remove(source);
        Destroy(source);
    }

    public void SetVolume(SoundType type, float volume)
    {
        if (type == SoundType.BGM)
        {
            bgmVolume = volume;
            bgmSource.volume = volume;
        }
        else if (type == SoundType.SFX)
        {
            sfxVolume = volume;
            foreach (var source in sfxSources)
            {
                source.volume = volume;
            }
        }
    }

    public void Mute(bool mute)
    {
        bgmSource.mute = mute;
        foreach (var source in sfxSources)
        {
            source.mute = mute;
        }
    }
}