using CoreGame.Render;
using GAS.General;
using GAS.Runtime;
using Sirenix.OdinInspector;
using UnityEngine;
using NotImplementedException = System.NotImplementedException;

namespace CoreGame.Render
{
    public class CueVFXOneShot : GameplayCueInstant
    {
        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;
        
        public Quaternion LocalRotation => Quaternion.Euler(rotation);

        [ShowInInspector]
        [HideReferenceObjectPicker]
        [ShowIf("Cfg")]
        public RenderEffectDesc Cfg => RenderEffectDescMgr.Instance.GetConfig(effectId);

        public override GameplayCueInstantSpec CreateSpec(in GameplayCueParameters param)
        {
            var cueVFXOneShotSpec = SptPool<CueVFXOneShotSpec>.Malloc();
            cueVFXOneShotSpec.Awake(param);
            return cueVFXOneShotSpec;
        }

        public override void FreeSpec(ref GameplayCueInstantSpec spec)
        {
            var cueVFXOneShotSpec = spec as CueVFXOneShotSpec;
            SptPool<CueVFXOneShotSpec>.Free(ref cueVFXOneShotSpec);
            spec = null;
        }

#if UNITY_EDITOR
        private GameObject _effectPreviewInstance;
        public override void OnEditorPreview(GameObject previewObject, int frame, int startFrame)
        {
            if (effectId < 1)
                return;

            if (string.IsNullOrEmpty(Cfg.prefab)) return;
            var VfxPrefab = GameObjectUtil.LoadAssetAtPath<GameObject>(Cfg.prefab);
            if (frame >= startFrame)
            {
                if (_effectPreviewInstance != null && _effectPreviewInstance.name != VfxPrefab.name)
                {
                    Object.DestroyImmediate(_effectPreviewInstance);
                    _effectPreviewInstance = null;
                }

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

    public class CueVFXOneShotSpec : GameplayCueInstantSpec<CueVFXOneShot>
    {
        public override void Trigger()
        {
            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);
        }
    }
}