using PhxhSDK;
using UnityEngine;
using UnityEngine.Networking;

public class AudioUnity: AudioBase
{
    public static float GlobalVolume = 1f;
    public static float GlobalMusicVolume = 1f;
    public static float GlobalSoundVolume = 1f;
    public static float GlobalSpeakVolume = 1f;
    
    private GameObject _posGo;
    protected AudioSource _audioSource;
    private bool _isSpeak;
    private bool _isStory;
    private static long _curPlayID;
    private long _playID = -1;       //播放ID，越小越早
    private AudioClip _clip;

    public AudioClip Clip => _clip;
    public long PlayID => _playID;

    //public CriAtomExPlayback CriAtomExPlayback;
    public bool IsSpeak => _isSpeak;
    public bool IsStory => _isStory;

    public float Volume => _audioSource.volume;

    private float _playPassTime = 0f;
    private float _stopPassTime = 0f;
    private float _fadeValue = 1f;
    private float _fadeInTime = 4f;
    private float _fadeOutTime = 4f;
    private bool _isInFadeIn;                   //Fade过程中
    private bool _isInFadeOut;                   //Fade过程中
    private bool _isFadeIn;
    private bool _isFadeOut;

    private float _clipVolume = 1f;

    private bool _isPlayEnd
    {
        get
        {
            if (!_audioSource || !_clip)
            {
                return false;
            }

            if (_audioSource.isPlaying)
                return _audioSource.time > _clip.length;
            else
                return true;
        }
    }
    public enum VolumeType
    {
        Music,
        Sound,
        Speak
    }

#region Construct

    public AudioUnity(AudioType audioType, GameObject rootGo, GameObject posGo, AudioInfo audioInfo, 
        bool loop = false, bool is3D = false)
    {
        this.audioType = audioType;
        _rootGo = rootGo;
        _posGo = posGo;
        _audioSource = _GetSource();
        _audioSource.volume = GlobalVolume;
        targetVolume = 1f;
        _isSpeak = audioInfo.isSpeak;
    }

    private AudioSource _GetSource()
    {
        var source = _rootGo.GetComponent<AudioSource>();
        if (!source)
        {
            source = _rootGo.AddComponent<AudioSource>();
        }

        
        return source;
    }

    private void SetSourceData(AudioInfo audioInfo)
    {
        
    }
#endregion

#region Inherit

    public override void Update()
    {
        
    }
    public override void Update(float dt)
    {
        if (!_audioSource || !_clip)
        {
            return;
        }

        if (_isFadeIn || _isFadeOut)
        {
            _UpdateFade(dt);
            return;
        }

        _fadeValue = 1f;
        //SetVolume
        if (playState == PlayState.Playing || _audioSource.isPlaying)
        {
            //渐入渐出
            //_UpdateFadeValue(dt);
            
            switch (audioType)
            {
                case (AudioType.Music):
                {
                    _SetMusicVolume();
                    break;
                }
            
                case (AudioType.Sound):
                {
                    if (_isSpeak)
                    {
                        _SetSpeakVolume();
                    }
                    else
                    {
                        _SetSoundVolume();
                    }
                    break;
                }
            
                default: 
                    break;
            }
        }

        if (_audioSource.isPlaying == false)
        {
            _audioSource.Stop();
            Stop();
        }
        if (_posGo && playState == PlayState.Playing)
        {
            _rootGo.transform.position = _posGo.transform.position;
        }

        //Update Play Status
        if (_isPlayEnd || playState == PlayState.Stopped)
        {
            Stop();
        }
    }
    
    private void _UpdateFade(float dt)
    {
        if (playState == PlayState.Playing || _audioSource.isPlaying)
        {
            //渐入渐出
            _UpdateFadeValue(dt);
            
            switch (audioType)
            {
                case (AudioType.Music):
                {
                    _SetMusicVolume();
                    break;
                }
            
                case (AudioType.Sound):
                {
                    if (_isSpeak)
                    {
                        _SetSpeakVolume();
                    }
                    else
                    {
                        _SetSoundVolume();
                    }
                    break;
                }
            
                default: 
                    break;
            }
        }

        if (_posGo && playState == PlayState.Playing)
        {
            _rootGo.transform.position = _posGo.transform.position;
        }

        //Update Play Status
        if (_isPlayEnd)
        {
            if (_stopPassTime > _fadeOutTime)
            {
                Stop();
            }
        }
    }

    public override void Pause()
    {
        _audioSource.Pause();
        playState = PlayState.Paused;
    }

    public override void Resume()
    {
        _audioSource.UnPause();
        playState = PlayState.Playing;
    }

    public override void Play(float volume = 1f)
    {
        playState = PlayState.Playing;
        _isFadeOut = false;
        //_criAtomSource.player?.DetachFader();
        targetVolume = 1f;
        _audioSource.Play();
        _playID = _GenPlayID();
        AudioManager.Instance.AudioMgrObj.Add2Playing(audioType, audioID, _isSpeak);
    }

    public void PlayWithFade(float volume = 1f)
    {
        playState = PlayState.Playing;
        //_criAtomSource.player?.AttachFader();
        _audioSource.Play();
        _playID = _GenPlayID();
        AudioManager.Instance.AudioMgrObj.RemovePlaying(audioType, audioID);
    }
    public void Stop()
    {
        _isFadeOut = false;
        _isFadeIn = false;
        _isInFadeIn = false;
        _isInFadeOut = false;
        _playPassTime = 0;
        _stopPassTime = 0;
        AudioManager.Instance.AudioMgrObj.RemovePlaying(audioType, audioID);
        if (_isPlayEnd)
        {
            playState = PlayState.Stopped;
            return;
        }

        if (_audioSource)
        {
            _audioSource.Stop();
        }
        //_criAtomSource.player?.DetachFader();
        base.Stop();
    }

    public void StopWithFade(float fadeOutTime = 1f)
    {
        if (_isInFadeOut)
            return;
        _isFadeOut = true;
        _playPassTime = 0f;
        _isInFadeOut = true;
        _stopPassTime = 0f;
        _fadeOutTime = fadeOutTime;
        //AudioManager.Instance.AudioMgrObj.RemovePlaying(audioID);
    }

#endregion

#region Utils

    private long _GenPlayID()
    {
        return ++_curPlayID;
    }
    private void _SetMusicVolume()
    {
        _audioSource.volume = _fadeValue * GlobalMusicVolume * GlobalVolume * targetVolume;
    }
    
    private void _SetSoundVolume()
    {
        _audioSource.volume = _fadeValue * GlobalSoundVolume * GlobalVolume * targetVolume;
    }

    private void _SetSpeakVolume()
    {
        _audioSource.volume = _fadeValue * GlobalSpeakVolume * GlobalVolume * targetVolume;
    }

    private void _SetIs3D(bool is3D)
    {
        _audioSource.spatialBlend = is3D ? 1f : 0f;
        _audioSource.dopplerLevel = 0;
        _audioSource.rolloffMode = AudioRolloffMode.Linear;
        _audioSource.maxDistance = 150;
    }

    private void _UpdateFadeValue(float dt)
    {
        if (_playPassTime > _fadeInTime)
        {
            _isInFadeIn = false;
            _isFadeIn = false;
        }

        if (_isFadeOut)
        {
            if(_isFadeIn)
            {
                targetVolume = _fadeValue;
                _isFadeIn = false;
            }
        }
        
        if (_isFadeIn)
        {
            if (_playPassTime < _fadeInTime)
            {
                _isInFadeIn = true;
            }
            else
            {
                _isInFadeIn = false;
            }
        }

        if (_isFadeOut)
        {
            if (_isInFadeOut)
            {
                _stopPassTime += dt;
            }
        }
        _playPassTime += dt;
            
        _SetCurFadeValue();
    }
    private void _SetCurFadeValue()
    {
        if (!_isInFadeIn && !_isInFadeOut)
        {
            _fadeValue = 1f;
            return;
        }
        
        if (_isInFadeOut)
        {
            _fadeValue = (1 - _stopPassTime / _fadeInTime);
            if (_fadeValue < 0)
            {
                _fadeValue = 0;
                Stop();
            }
            return;
        }
        
        if (_isInFadeIn && _playPassTime < _fadeInTime)
        {
            _fadeValue = _playPassTime / _fadeInTime;
            if (_fadeValue > 1)
                _fadeValue = 1;
        }

        //_fadeValue = 1f;
    }
#endregion

#region API

    public void Play(string cueName, AudioInfo audioInfo, bool isLoop = false)
    {
        _playPassTime = 0f;
        targetVolume = 1f;
        _isFadeOut = false;
        _isFadeIn = false;
        playState = PlayState.Playing;
        _playID = _GenPlayID();
        AudioManager.Instance.AudioMgrObj.Add2Playing(audioType, audioID, _isSpeak);
    }

    public async void Play(string path)
    {
        _clip = await AssetManager.Instance.LoadAssetAsync<AudioClip>(path, null, true);
        if (!_clip)
        {
            playState = PlayState.Stopped;
            return;
        }
        _audioSource.clip = _clip;
        //_audioSource.cueName = cueName;
        
        _playPassTime = 0f;
        _stopPassTime = 0f;
        _isFadeOut = false;
        _isFadeIn = false;
        targetVolume = 1f;
        
        //_criAtomSource.player?.DetachFader();
        playState = PlayState.Playing;
        _playID = _GenPlayID();
        AudioManager.Instance.AudioMgrObj.Add2Playing(audioType, audioID, _isSpeak);
        _audioSource.Play();
    }

    public async void PlayWithFade(string path, float fadeInTime = 4f, float fadeOutTime = 4f)
    {
        _clip = await AssetManager.Instance.LoadAssetAsync<AudioClip>(path, null, true);
        if (!_clip)
        {
            return;
        }
        _audioSource.clip = _clip;
        
        _playPassTime = 0f;
        _stopPassTime = 0f;
        _isFadeOut = false;
        _isFadeIn = true;
        SetVolume(0);
        _audioSource.volume = 0f;
        _fadeInTime = fadeInTime;
        _fadeOutTime = fadeOutTime;
        
        //_criAtomSource.player?.AttachFader();
        playState = PlayState.Playing;
        _playID = _GenPlayID();
        AudioManager.Instance.AudioMgrObj.Add2Playing(audioType, audioID, _isSpeak);
        _audioSource.Play();
    }

    public void SetIs3D(bool is3D = false)
    {
        _SetIs3D(is3D);
    }

    public void SetPosObj(GameObject go = null)
    {
        if (go)
        {
            _posGo = go;
            if (_rootGo)
            {
                _rootGo.transform.position = _posGo.transform.position;
                _SetIs3D(true);
            }

            return;
        }

        _posGo = null;
        _SetIs3D(false);
    }


    public void SetPos(Vector3 position)
    {
        _rootGo.transform.position = position;
    }

    public void SetIsLoop(bool isLoop)
    {
        loop = isLoop;
        _audioSource.loop = isLoop;
        //DebugUtil.LogError($"audioID:{audioID}, , name:{_criAtomSource.cueName}, isLoop:{isLoop}");
    }

    public void SetIsSpeak(bool isSpeak)
    {
        _isSpeak = isSpeak;
    }

    public void SetIsStory(bool isStory)
    {
        _isStory = isStory;
    }
    public void SetIsFadeIn(bool isFadeIn)
    {
        _isFadeIn = isFadeIn;
    }

    public string GetCueSheetName()
    {
        if (_audioSource)
        {
            return _clip.name;
        }
        return "";
    }
    
    public float GetCurPlayLength()
    {
        if (_audioSource)
        {
            return _audioSource.time;
        }

        return -1;
    }

    public float GetTime()
    {
        if (!_audioSource)
            return -1;
        return _audioSource.time;
    }
#endregion
}