using UnityEngine;
using UnityEngine.Audio;

namespace BaseGames.Audio
{
    /// <summary>
    /// 音效事件 ScriptableObject。随机从 Clips 中选取一条播放，
    /// 并在 Volume / Pitch 区间内随机变化，增强音效多样性。
    /// </summary>
    [CreateAssetMenu(menuName = "Audio/AudioEvent")]
    public class AudioEventSO : ScriptableObject
    {
        [SerializeField] private AudioClip[]     _clips;
        [SerializeField] private float           _volumeMin   = 0.9f;
        [SerializeField] private float           _volumeMax   = 1.0f;
        [SerializeField] private float           _pitchMin    = 0.95f;
        [SerializeField] private float           _pitchMax    = 1.05f;
        [SerializeField] private AudioMixerGroup _mixerGroup;

        public AudioClip PickClip()
        {
            if (_clips == null || _clips.Length == 0) return null;
            return _clips[Random.Range(0, _clips.Length)];
        }

        public float PickVolume() => Random.Range(_volumeMin, _volumeMax);

        /// <summary>通过已有的 AudioSource 播放（适用于场景内固定位置音效）。</summary>
        public void Play(AudioSource source)
        {
            var clip = PickClip();
            if (clip == null || source == null) return;

            source.clip                  = clip;
            source.volume                = PickVolume();
            source.pitch                 = Random.Range(_pitchMin, _pitchMax);
            source.outputAudioMixerGroup = _mixerGroup;
            source.Play();
        }

        /// <summary>通过 AudioSource.PlayOneShot 播放（不打断当前音效）。</summary>
        public void PlayOneShot(AudioSource source)
        {
            var clip = PickClip();
            if (clip == null || source == null) return;

            source.outputAudioMixerGroup = _mixerGroup;
            source.pitch                 = Random.Range(_pitchMin, _pitchMax);
            source.PlayOneShot(clip, PickVolume());
        }
    }
}