using System.Collections.Generic;

using CoreGame;
using CoreGame.Render;
using GAS.General;
using Sirenix.OdinInspector;
using Sog;
using UnityEngine;
using Object = UnityEngine.Object;

namespace GAS.Runtime
{
    public class BindPointParam
    {
        public BindPointType type;
        public string path;
    }

    public class CueVFX : GameplayCueDurational
    {
        public int effectId; // 静态配置

        [BoxGroup] [LabelText(GASTextDefine.CUE_VFX_OFFSET)]
        public Vector3 offset;
        [BoxGroup] [LabelText(GASTextDefine.CUE_VFX_ROTATION)]
        public Vector3 rotation;
        [BoxGroup] [LabelText(GASTextDefine.CUE_VFX_SCALE)]
        public Vector3 scale = Vector3.one;
        [ShowInInspector]
        [HideReferenceObjectPicker]
        [ShowIf("Cfg")]
        public RenderEffectDesc Cfg => RenderEffectDescMgr.Instance.GetConfig(effectId);

        public Quaternion LocalRotation => Quaternion.Euler(rotation);
        public override GameplayCueDurationalSpec CreateSpec(in GameplayCueParameters param)
        {
            var cueVFXSpec = SptPool<CueVFXSpec>.Malloc();
            cueVFXSpec.Awake(param);
            return cueVFXSpec;
        }

        public override void FreeSpec(ref GameplayCueDurationalSpec spec)
        {
            var cueVFXSpec = spec as CueVFXSpec;
            SptPool<CueVFXSpec>.Free(ref cueVFXSpec);
            spec = null;
        }

        #region 编辑

#if UNITY_EDITOR
        private GameObject m_EffectPreviewInstance;

        public CueVFX(string vfxPrefabPath, Vector3 offset, Vector3 rotation, int effectId)
        {
            this.offset = offset;
            this.rotation = rotation;
            this.effectId = effectId;
            // VfxPrefabPath = vfxPrefabPath;
        }

        public override void OnEditorPreview(GameObject preview, int frameIndex, int startFrame, int endFrame)
        {
            if (effectId < 1)
                return;

            if (string.IsNullOrEmpty(Cfg.prefab)) return;
            var VfxPrefab = GameObjectUtil.LoadAssetAtPath<GameObject>(Cfg.prefab);

            if (frameIndex >= startFrame && frameIndex <= endFrame)
            {
                if (m_EffectPreviewInstance != null && m_EffectPreviewInstance.name != VfxPrefab.name)
                {
                    Object.DestroyImmediate(m_EffectPreviewInstance);
                    m_EffectPreviewInstance = null;
                }

                if (m_EffectPreviewInstance == null)
                {
                    m_EffectPreviewInstance = Object.Instantiate(VfxPrefab, preview.transform);
                    m_EffectPreviewInstance.name = VfxPrefab.name;
                    m_EffectPreviewInstance.transform.localPosition = offset;
                    m_EffectPreviewInstance.transform.localEulerAngles = rotation;
                    m_EffectPreviewInstance.transform.localScale = scale;
                }
                // 模拟例子的播放
                var particleSystems = m_EffectPreviewInstance.GetComponentsInChildren<ParticleSystem>();
                foreach (var ps in particleSystems)
                {
                    var t = (frameIndex - startFrame) / GASTimer.FrameRate;
                    ps.Simulate(t);
                }
            }
            else
            {
                if (m_EffectPreviewInstance != null)
                {
                    Object.DestroyImmediate(m_EffectPreviewInstance);
                    m_EffectPreviewInstance = null;
                }
            }
        }
#endif
    }

    #endregion

    public class CueVFXSpec : GameplayCueDurationalSpec<CueVFX>
    {
        private GameObject m_VFXInstance;
        private readonly List<int> m_EffectSeq = new();

        public override void OnAdd()
        {
            if (cue.effectId < 1)
                return;
            
            var param = new TexiaoShowParam
            {
                effectId = cue.effectId,
                offset = cue.offset,
                rotation = cue.LocalRotation,
                scale = cue.scale == Vector3.zero ? Vector3.one : cue.scale,
                element = initData.sourceGaSpec != null
                    ? initData.sourceGaSpec.gaParams.element
                    : initData.sourceGeSpec.effectParams.gaParams.element
            };
            ownerEnt.effectShowProxy.ShowCastEffect(ref param, initData, m_EffectSeq);
        }

        public override void OnRemove()
        {
            ownerEnt.effectShowProxy.DestroyEffect(m_EffectSeq);
        }

        public override void OnGameplayEffectActivate()
        {
            ownerEnt.effectShowProxy.ActivateEffect(m_EffectSeq);
        }

        public override void OnGameplayEffectDeactivate()
        {
            ownerEnt.effectShowProxy.DeactivateEffect(m_EffectSeq);
        }

        public override void OnTick(Fixed64 dt)
        {
        }

        public void SetVisible(bool visible)
        {
        }
    }
}