using System;
using System.Collections;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using UnityEngine;

namespace Stary.Evo.AudioCore
{
    public class SFXPlayer : AbstractAudio, IDisposable
    {
        public SFXPlayer(IResources resources) : base(resources)
        {
        }

        /// <summary>
        /// 播放音效
        /// </summary>
        /// <param name="audioData">{[clip:音频], [volume:音量], 
        /// [onComplete:回调行为], [delayOnCompleteTime:延迟回调执行的时间], 
        /// [is3DAudio:是否3D音频], [audio3DPosition:3D音频位置], [audio3DMaxDistance:3D音频最大距离]}</param>
        public override async void Play(AudioData audioData)
        {
            AudioSourceToken audioSourceToken = await PlayAudio(audioData);
            // 使用协程处理延迟和回调
            PlayAudioAWait(audioSourceToken, audioData.delayOnCompleteTime, audioData.onComplete);
        }

        public override async UniTask PlayAsync(AudioData audioData)
        {
            AudioSourceToken audioSourceToken = await PlayAudio(audioData);
            await PlayAudioAWait(audioSourceToken, audioData.delayOnCompleteTime);
        }


        private async UniTask<AudioSourceToken> PlayAudio(AudioData audioData)
        {
            if (Resources == null)
            {
                Debug.LogError("AudioCoreManager: Resources is null, please initialize it first.");
                return null;
            }

            audioData = Initialize(audioData);
            if (!string.IsNullOrEmpty(audioData.packageName) && !string.IsNullOrEmpty(audioData.packageName))
            {
                var clip = await Resources.LoadAssetAsync<AudioClip>(audioData.packageName, audioData.assetName);
                if (clip == null)
                {
                    Debug.LogErrorFormat($"从资源包【{audioData.packageName}】加载音频片段【{audioData.assetName}】失败");
                }
                else
                {
                    audioData.clip = clip;
                }
            }

            if (audioData.clip == null)
            {
                Debug.LogError("播放的音效音频片段为空");
                return null;
            }

            AudioSourceToken audioSourceToken = AudioSourcePool.Spawn();
            if (audioSourceToken == null)
            {
                Debug.LogError("音效池为空,无法播放音效");
                return null;
            }

            AudioSource source = audioSourceToken.source;
            source.clip = audioData.clip;
            source.volume = audioData.volume;

            // 设置2D与3D音频
            if (audioData.is3DAudio)
            {
                source.transform.position = audioData.audio3DPosition;
                source.spatialBlend = 1;
                source.minDistance = 1f;
                if (audioData.audio3DMaxDistance != 0)
                {
                    source.maxDistance = audioData.audio3DMaxDistance;
                }
                else
                {
                    // 默认3D最大距离为3米
                    source.maxDistance = 3f;
                }
            }
            else
            {
                source.transform.position = Vector3.zero;
                source.spatialBlend = 0;
                source.minDistance = 1f;
                source.maxDistance = 500f;
            }

            source.Play();
            return audioSourceToken;
        }

        /// <summary>
        /// 停止所有音效
        /// </summary>
        public override void Stop()
        {
            AudioSourcePool.RecycleAll();
        }

        public override void StopAll()
        {
            AudioSourcePool.RecycleAll();
        }

        public override AudioSource GetAudioSource()
        {
            Debug.LogWarning("SFXPlayer: GetAudioSource is not implemented.");
            return null;
        }

        public void Dispose()
        {
            AudioSourcePool.RecycleAll();
        }
    }
}