using System.Collections.Generic;
using System.Threading;
using Code.Infrastructure.EventBus;
using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.Audio;

namespace Code.Infrastructure.Audio
{
    public interface IAudioService
    {
        AudioClip GetClip(AudioNames groupName, int id);
        void PlayTest();
        
        UniTaskVoid PlayOneShot(AudioNames groupName, int id, Vector3 position = new Vector3(),
            AudioSourceType sourceType = AudioSourceType.NoBlend,
            AudioSource audioSource = null);

        UniTaskVoid PlayRepeatedly(AudioNames groupName, int id,
            CancellationTokenSource cancellationTokenSource, AudioSourceType sourceType = AudioSourceType.NoBlend, AudioSource audioSource = null);

        bool CheckClip(AudioNames groupName, int id);
    }

    public partial class AudioService : IAudioClipsEventHandle, IAudioService
    {
        private EventBus.EventBus _eventBus;
        private IAudioFactory _audioFactory;
        private IAudioSourcePool _pool;
        private Dictionary<AudioNames, Dictionary<int, AudioClip>> _audioClips = new();
        private AudioMixer _mixer;

        private Dictionary<AudioGroupType, AudioMixerGroup> _audioMixerGroups = new();
        public AudioService(EventBus.EventBus eventBus, IAudioFactory audioFactory, IAudioSourcePool pool)
        {
            _eventBus = eventBus;
            _audioFactory = audioFactory;
            _pool = pool;

            _eventBus.Subscribe(this);

            for (int i = 0; i < typeof(AudioNames).GetEnumValues().Length; i++)
                _audioClips.Add((AudioNames)i, new Dictionary<int, AudioClip>());
            
            //InitializeMixer();
        }

        private partial void InitializeMixer();
        public void PlayTest()
        {
            _pool.GetSource(AudioSourceType.NoBlend).PlayOneShot(GetClip(AudioNames.UISounds, 0));
        }

        public async UniTaskVoid PlayOneShot(AudioNames groupName, int id, Vector3 position = new Vector3(),
            AudioSourceType sourceType = AudioSourceType.NoBlend,
            AudioSource audioSource = null)
        {
            if (!CheckClip(groupName, id)) return;
            
            if (!audioSource) audioSource = _pool.GetSource(sourceType);

            audioSource.transform.position = position;
            audioSource.PlayOneShot(GetClip(groupName, id));
            
            await UniTask.NextFrame();
            await UniTask.WaitUntilValueChanged(audioSource, _ => !audioSource.isPlaying);
            
            _pool.ReleaseSource(audioSource);
        }

        public async UniTaskVoid PlayRepeatedly(AudioNames groupName, int id,
            CancellationTokenSource cancellationTokenSource, AudioSourceType sourceType = AudioSourceType.NoBlend, AudioSource audioSource = null)
        {
            if (!CheckClip(groupName, id)) return;
            
            if (!audioSource) audioSource = _pool.GetSource(sourceType);
            if(!audioSource.resource) audioSource.resource = GetClip(groupName, id);
            
            audioSource.Play();
            
            await UniTask.NextFrame();
            var (isCanceled, _) = await UniTask.WaitUntilValueChanged(audioSource,
                _ => !audioSource.isPlaying,
                cancellationToken: cancellationTokenSource.Token).SuppressCancellationThrow();
            UnityEngine.Debug.LogError("Music skipping");
            
            if (isCanceled)
            {
                cancellationTokenSource.Dispose();
                
                _pool.ReleaseSource(audioSource);
                
                return;
            }
            
            PlayRepeatedly(groupName, id, cancellationTokenSource, sourceType, audioSource).Forget();
        }

        public AudioClip GetClip(AudioNames groupName, int id) => _audioClips[groupName][id];
        public bool CheckClip(AudioNames groupName, int id) => _audioClips[groupName].ContainsKey(id);

        public void AudioClipsLoaded(AudioNames groupname, Dictionary<int, AudioClip> clips)
        {
            _audioClips[groupname] = clips;
            _eventBus.RaiseEvent<IReadyToPlayHandle>(x => x.OnReadyToPlay(groupname));
        }

        public void AudioClipsUnLoaded(AudioNames groupName)
        {
            _audioClips[groupName].Clear();
            _audioClips[groupName] = null;
        }
    }

    public interface IReadyToPlayHandle : IGlobalSubscriber
    {
        void OnReadyToPlay(AudioNames groupName);
    }
}