using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Audio;
using Sirenix.OdinInspector;
using QFSW.MOP2;

namespace KairoEngine.SFX
{
    // Todo: Remove old EmmitSound function.

    /// <summary>
    /// Controls playing SFX clips.
    /// </summary>
    [HideMonoScript]
    public class SoundController : SerializedMonoBehaviour
    {
        
        [Tooltip("The prefab that will be used as the sound emitter. It needs a audio source and a sphere colllider.")]
        public GameObject soundEmitterPrefab;

        public static string soundEmitterPool;
        public string _soundEmitterPool;
    
        public static GameObject soundsParent;

        [Tooltip("Container GameObject for the instantiated sound emitter prefabs.")]
        public  GameObject _soundsParent;

        [Tooltip("A dictionary of sound SFX clips and their names"), InlineEditor(InlineEditorObjectFieldModes.Boxed)]
        public SFXLibrary soundLibrary;

        [ShowInInspector, Tooltip("A list of instantiated sound emitters. They are deleted when their audio stops playing.")]
        public static List<SoundEmitter> soundEmitters = new List<SoundEmitter>();

        public static SoundController instance;

        public void Start()
        {
            //soundEmitterPrefab = _soundEmitterPrefab;
            soundEmitterPool = _soundEmitterPool;
            soundsParent = _soundsParent;
            SoundController.instance = this;
        }

        public static void EmmitSound(AudioClip clip, Vector3 position, float volume, float radius, string audioMixerGroupName, bool world = true)
        {
            // AudioMixer mixer = intance.soundEffectsMixer as AudioMixer;
            // if(mixer == null) 
            // {
            //     Debug.Log("Could not find asset SoundEffectsMixer"); 
            //     return;
            // }
            GameObject soundEmitterObj;
            if(instance.soundEmitterPrefab != null) soundEmitterObj = GameObject.Instantiate(instance.soundEmitterPrefab, soundsParent.transform);
            else soundEmitterObj = MasterObjectPooler.Instance.GetPool(soundEmitterPool).GetObject(position);
            soundEmitterObj.transform.parent = soundsParent.transform;
            SoundEmitter soundEmitter = soundEmitterObj.GetComponent<SoundEmitter>();
            // AudioMixerGroup audioMixerGroup = mixer.FindMatchingGroups(audioMixerGroupName)[0];
            soundEmitter.Initialize(clip, position, volume, radius, null, world);
            soundEmitters.Add(soundEmitter);
        }

        public static void EmmitSound(string clipName, Vector3 position, Transform parent = null)
        {
            if(instance == null) return;
            if(instance.soundLibrary == null) return;
            SFXClip clip = null;
            if (instance.soundLibrary.clips.TryGetValue(clipName, out clip))
            {
                EmmitSound(clip, position, parent);
            }
            else
            {
                Debug.LogError($"No Sound SFX clip found in Sound Library for \'{clipName}\'");
            }
        }

        public static void EmmitSound(SFXClip clip, Vector3 position, Transform parent = null)
        {
            if(parent == null) parent = soundsParent.transform;
            if(SoundController.instance == null)
            {
                Debug.LogError("Missing SoundController component in scene.");
                return;
            }
            if(clip.sfxType == SFXClipType.Steps)
            {
                SoundController ctrl = SoundController.instance;
                foreach (var step in clip.clipSteps)
                {
                   ctrl.StartCoroutine(ctrl.EmmitSoundInFuture(step.startTime, step.clip, position));
                }
            }
            else
            {
                GameObject soundEmitterObj;
                if(instance.soundEmitterPrefab != null) soundEmitterObj = GameObject.Instantiate(instance.soundEmitterPrefab, parent);
                else soundEmitterObj =  MasterObjectPooler.Instance.GetPool(soundEmitterPool).GetObject(position);
                soundEmitterObj.transform.parent = parent;
                SoundEmitter soundEmitter = soundEmitterObj.GetComponent<SoundEmitter>();
                soundEmitter.Initialize(clip, position);
                soundEmitters.Add(soundEmitter);
            }
        }

        public IEnumerator EmmitSoundInFuture(float waitTime, SFXClip clip, Vector3 position)
        {
            yield return new WaitForSeconds(waitTime);
            EmmitSound(clip, position);
        }
    }
}