using System.Collections.Generic;
using Code.Scripts.Gameplay.Utils;

namespace Gameplay.Skill
{
    using Common;
    using UnityEngine;

    public class SkillScreenEffect
    {

        public Camera skillCamera;

        public GameObject skillBg;

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

        public void Init()
        {
            skillCamera = CmpObjRef.instance.m_SkillCamera;
            skillCamera.gameObject.SetActive(false);
            _cacheObjs = new List<GameObject>();
            _cacheLayers = new List<int>();
            skillBg = UIRoot.Instance.UICamera.transform.GetChild(0).gameObject;
            skillBg.SetActive(false);
        }

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

        public void Show()
        {
            skillBg.SetActive(true);

            var mainCamera = Camera.main;
            // 同步相机参数
            if (mainCamera != null)
            {
                var transform = mainCamera.transform;
                var transform1 = skillCamera.transform;
                transform1.position = transform.position;
                transform1.rotation = transform.rotation;
                skillCamera.orthographicSize = mainCamera.orthographicSize;
                skillCamera.nearClipPlane = mainCamera.nearClipPlane;
                skillCamera.farClipPlane = mainCamera.farClipPlane;
            }

            skillCamera.gameObject.SetActive(true);
        }

        public void Hide()
        {
            skillCamera.gameObject.SetActive(false);
            skillBg.SetActive(false);

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

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

    }
}