using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Area;
using Gameplay.Bullet;
using Gameplay.Effect;
using Gameplay.PlayerSkill.Cmp;
using UnityEngine;
using UnityEngine.Playables;
namespace Gameplay.PlayerSkill.Logic
{
    /// <summary>
    /// 逻辑：
    /// 在指定格子位置创建一个带timeline的特效
    /// 等待timeline触发事件,接收到该事件后像该位置发射一发子弹
    /// 逻辑参数 [特效id, 子弹id]
    /// </summary>
    public class PlayerSkillLogic03 : BasePlayerSkillLogic
    {

        private int _cacheBulletId;
        private int _cacheReleaseCellIndex;
        private EffectPlayingData _cacheEffectData;
        
        protected override void _OnInit()
        {
            base._OnInit();
            
            var effectId = owner.ReadParamInt(0);
            var bulletId = owner.ReadParamInt(1);
            _cacheBulletId = bulletId;
            
            var releaseCellIndex = owner.selectedCellIndex;
            _cacheReleaseCellIndex = releaseCellIndex;
            var releasePos = AreaManager.instance.GetWorldPosByIndex(releaseCellIndex);
            _InitEffect(effectId, releasePos);
            
            EventManager.Instance.Register(EventManager.EventName.INFIGHT_PLAYER_SKILL_VIEW_TRIGGER, _OnEffectEvent);
        }


        protected override void _OnDispose()
        {
            base._OnDispose();
            
            _cacheEffectData.onLoaded = null;
            
            EventManager.Instance.Unregister(EventManager.EventName.INFIGHT_PLAYER_SKILL_VIEW_TRIGGER, _OnEffectEvent);
        }
        
        private void _InitEffect(int effectId, Vector3 releasePos)
        {
            _cacheEffectData = EffectManager.instance.PlayEffectById(effectId, releasePos);
            _cacheEffectData.onLoaded = _OnEffectLoaded;
        }

        private void _OnEffectLoaded()
        {
            var effectObj = _cacheEffectData.rootObj;
            var timeLine = effectObj.GetComponentInChildren<PlayableDirector>();
            if (timeLine == null)
            {
                DebugUtil.LogError("该模式下的特效必须包含timeline");
                isFinished = true;
                return;
            }
            // 设置timeline的signal receiver
            // 获取bindings
            var isSet = false;
            var bindings = timeLine.playableAsset.outputs;
            foreach (var binding in bindings)
            {
                if (binding.streamName == "Signal Track")
                {
                    timeLine.SetGenericBinding(binding.sourceObject, CmpPlayerSkillEventWrapper.instance.m_SignalReceiver);
                    isSet = true;
                    break;
                }
            }
            if (!isSet)
            {
                DebugUtil.LogError("该模式下的timeline必须包含signal track");
                isFinished = true;
                return;
            }
            timeLine.Play();
        }

        private void _OnEffectEvent()
        {
            BulletManager.instance.EmitBullet(_cacheBulletId, _cacheReleaseCellIndex, owner.playerUnit);
            isFinished = true;
        }
    }
}