using System.Collections.Generic;
using Code.Scripts.Gameplay.Utils;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Unit;
using PhxhSDK;
using UnityEngine.Rendering.Universal;
using Constants = Framework.Constants;

namespace Gameplay.Skill
{
    using Common;
    using UnityEngine;

    public class SkillScreenEffect
    {

        public Camera skillCamera;

        private List<GameObject> _cacheObjs;
        private List<int> _cacheLayers;

        private List<GameUnit> _cacheUnits;
        public List<GameUnit> cacheUnits
        {
            get
            {
                return _cacheUnits;
            }
        }

        public bool isHide;

        public SkillRotateCamera rotateCamera;

        public void Init()
        {
            skillCamera = CmpObjRef.instance.m_SkillCamera;
            skillCamera.gameObject.SetActive(false);
            _cacheObjs = new List<GameObject>();
            _cacheLayers = new List<int>();
            _cacheUnits = new List<GameUnit>();
            rotateCamera = new SkillRotateCamera();
        }

        public void Restore()
        {
            if (skillCamera == null) return;
            if (skillCamera.gameObject == null) return;
            skillCamera.gameObject.SetActive(true);
        }

        public void Show()
        {
            isHide = false;
            // 通知UI黑屏
            EventManager.Instance.Send(EventManager.EventName.INFIGHT_BLACK_SCREEN_START);
            _SyncCameraParams();

            skillCamera.gameObject.SetActive(true);

            if (GameSettingManager.Instance.SettingData.enableSkillRotateCamera)
            {
                _ShowRotateCamera();
            }
        }

        private void _SyncCameraParams()
        {
            var mainCamera = CameraManager.Instance.MainCamera;
            if (mainCamera == null) return;
            // 同步相机参数
            var transform = mainCamera.transform;
            var transform1 = skillCamera.transform;
            transform1.position = transform.position;
            transform1.rotation = transform.rotation;
            skillCamera.orthographic = mainCamera.orthographic;
            skillCamera.orthographicSize = mainCamera.orthographicSize;
            skillCamera.fieldOfView = mainCamera.fieldOfView;
            skillCamera.nearClipPlane = mainCamera.nearClipPlane;
            skillCamera.farClipPlane = mainCamera.farClipPlane;
        }

        private async void _ShowRotateCamera()
        {
            rotateCamera.Show();
            var rotateTime = TableManager.Instance.Tables.GlobalConfig.SkillCameraRotateTime;
            await UniTask.WaitForSeconds(rotateTime);
            rotateCamera.Hide();
        }

        public async void StartHide()
        {
            // 通知UI黑屏结束
            EventManager.Instance.Send(EventManager.EventName.INFIGHT_BLACK_SCREEN_END);

            // 等待播放完成
            await UniTask.Delay(250);

            skillCamera.gameObject.SetActive(false);
            // // 开启主相机post效果
            // var mainCamera = Camera.main;
            // if (mainCamera != null)
            // {
            //     var urpDataMain = mainCamera.GetComponent<UniversalAdditionalCameraData>();
            //     urpDataMain.renderPostProcessing = true;
            // }

            for (var i = 0; i < _cacheObjs.Count; ++i)
            {
                var cacheObj = _cacheObjs[i];
                var cacheLayer = _cacheLayers[i];
                cacheObj.SetLayerEx(cacheLayer);
            }
            _cacheObjs.Clear();
            _cacheLayers.Clear();
            _cacheUnits.Clear();

            isHide = true;
        }

        public void AttachObj(GameObject obj)
        {
            if (_cacheObjs.Contains(obj)) return;
            _cacheObjs.Add(obj);
            _cacheLayers.Add(obj.layer);
            obj.SetLayerEx(LayerDefine.Skill);
        }

        public void DeAttachObj(GameObject obj)
        {
            if (!_cacheObjs.Contains(obj)) return;
            var index = _cacheObjs.IndexOf(obj);
            var cacheLayer = _cacheLayers[index];
            obj.SetLayerEx(cacheLayer);
            _cacheObjs.Remove(obj);
            _cacheLayers.RemoveAt(index);
        }

        public void AttachUnit(GameUnit unit)
        {
            if (_cacheUnits.Contains(unit)) return;
            _cacheUnits.Add(unit);
            AttachObj(unit.Node.GameObject);
            EventManager.Instance.Send(EventManager.EventName.INFIGHT_SKILL_ACTON_UNIT, unit);
        }

        public void DeAttachUnit(GameUnit unit)
        {
            if (!_cacheUnits.Contains(unit)) return;
            _cacheUnits.Remove(unit);
            DeAttachObj(unit.Node.GameObject);
        }

        public void LogicUpdate()
        {
            if (skillCamera.gameObject.activeInHierarchy)
            {
                // 同步相机参数
                _SyncCameraParams();
            }
        }

        public void Dispose()
        {
        }

    }
}