using System;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;
using SLSUtilities.Feedback;
using SLSUtilities.WwiseAssistance;
using Lean.Pool;

namespace Cielonos.MainGame.Effects.Feedback
{
    /// <summary>
    /// 音频反馈动作，在 Feedback 轨道上播放 Wwise 音频事件。
    /// 支持跟随执行者（Play Attached）或在 3D 空间中指定位置播放，并支持打断时平滑淡出。
    /// </summary>
    [Serializable]
    [FeedbackActionColor(0.2f, 0.6f, 0.9f)]
    public class PostAudioAction : FeedbackActionBase
    {
        public override string DisplayName => "Post Audio";

        [Required]
        [Tooltip("要播放的 Wwise 音频事件")]
        public AK.Wwise.Event wwiseEvent;

        [LabelText("跟随执行者播放")]
        [Tooltip("如果为 true，音效将绑定在执行者 GameObject 上移动；如果为 false，将在生成时的坐标固定播放 3D 音效。")]
        public bool playAttached = true;

        [LabelText("被打断时停止")]
        [Tooltip("如果为 true，反馈轨被打断（如受击、格挡）时，此音效会立刻停止/淡出。")]
        public bool stopOnInterrupt = true;

        [ShowIf("stopOnInterrupt")]
        [LabelText("淡出时间 (ms)")]
        [Tooltip("被打断停止时的淡出时长（毫秒）。")]
        public int fadeOutMs = 200;

        // 运行时状态记录，使用 Dictionary 保证并发/多角色播放时的实例安全
        private readonly Dictionary<FeedbackPlayer, uint> _playingIDs = new Dictionary<FeedbackPlayer, uint>();
        private readonly Dictionary<FeedbackPlayer, GameObject> _spawnedSoundObjects = new Dictionary<FeedbackPlayer, GameObject>();

        public override void OnStart(FeedbackContext context)
        {
            if (wwiseEvent == null) return;

            GameObject ownerObj = context.owner != null ? context.owner.gameObject : null;
            uint playingID = 0;

            if (playAttached && ownerObj != null)
            {
                // 绑定到执行者播放
                playingID = wwiseEvent.Post(ownerObj);
                if (playingID != 0)
                {
                    _playingIDs[context.player] = playingID;
                }
            }
            else
            {
                // 3D 空间固定位置播放
                Vector3 position = context.owner != null ? context.owner.position : Vector3.zero;
                if (AudioManager.Instance != null && AudioManager.Instance.audioPoint != null)
                {
                    GameObject soundObj = LeanPool.Spawn(AudioManager.Instance.audioPoint, position, Quaternion.identity);
                    _spawnedSoundObjects[context.player] = soundObj;

                    playingID = wwiseEvent.Post(soundObj, (uint)AkCallbackType.AK_EndOfEvent, AutoDespawnCallback, context.player);
                    if (playingID != 0)
                    {
                        _playingIDs[context.player] = playingID;
                        soundObj.name = $"PostAudioAction-{wwiseEvent.Name}-Event{playingID}";
                    }
                    else
                    {
                        // 播放失败，立即回收对象
                        LeanPool.Despawn(soundObj);
                        _spawnedSoundObjects.Remove(context.player);
                    }
                }
            }
        }

        public override void OnInterrupt(FeedbackContext context)
        {
            if (stopOnInterrupt)
            {
                if (_playingIDs.TryGetValue(context.player, out uint playingID))
                {
                    if (playingID != 0 && playingID != AkUnitySoundEngine.AK_INVALID_PLAYING_ID)
                    {
                        AudioManager.Stop(playingID, fadeOutMs);
                    }
                }
            }
            Cleanup(context);
        }

        public override void OnEnd(FeedbackContext context)
        {
            Cleanup(context);
        }

        private void Cleanup(FeedbackContext context)
        {
            _playingIDs.Remove(context.player);
            _spawnedSoundObjects.Remove(context.player);
        }

        /// <summary>
        /// 空间音频的 Wwise 回调，在播放结束时自动回收临时音频点。
        /// </summary>
        private void AutoDespawnCallback(object in_cookie, AkCallbackType in_type, AkCallbackInfo in_info)
        {
            if (in_type == AkCallbackType.AK_EndOfEvent)
            {
                FeedbackPlayer player = in_cookie as FeedbackPlayer;
                if (player != null)
                {
                    if (_spawnedSoundObjects.TryGetValue(player, out GameObject soundObj))
                    {
                        if (soundObj != null)
                        {
                            LeanPool.Despawn(soundObj);
                        }
                        _spawnedSoundObjects.Remove(player);
                    }
                    _playingIDs.Remove(player);
                }
            }
        }

        public override bool Validate(out string error)
        {
            if (wwiseEvent == null)
            {
                error = "Wwise Event is not assigned.";
                return false;
            }
            error = null;
            return true;
        }
    }
}