using Thousandto.Cfg.Data;
using Thousandto.Code.Logic;
using Thousandto.Core.Asset;
using Thousandto.Core.Base;
using Thousandto.DIY;
using Thousandto.Editor.Excel;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using UnityEditor;
using UnityEngine;

namespace Thousandto.Editor.ModelEditor
{
    class ModelSelectVfxEditor : EditorWindow
    {
        public static void Open(RoleSkinModelType skinType, int modelID, MyAction<int> callBack)
        {
            if (!Application.isPlaying)
            {
                UnityEngine.Debug.LogError("运行模式下才能播放特效，所以先运行起来！");
                return;
            }
            var win = (ModelSelectVfxEditor)EditorWindow.GetWindow(typeof(ModelSelectVfxEditor));
            win._selectCallBack = callBack;
            win._skinType = skinType;
            win._modelID = modelID;
            win.Show();
            win.Init();
        }

        private List<GameObject> _vfxList = new List<GameObject>();
        private List<Camera> _cameras = new List<Camera>();
        private List<RenderTexture> _renderTargets = new List<RenderTexture>();
        private List<int> _vfxIDList = new List<int>();

        private Vector2 _scrollPos = Vector2.zero;
        private MyAction<int> _selectCallBack = null;
        private RoleSkinModelType _skinType = RoleSkinModelType.PlayerBody;
        private int _modelID = 0;

        private GameObject _rootGo = null;
        private void Init()
        {
            OnDestroy();

            _rootGo = new GameObject("[ModelEditorVfxRoot]");
            UnityUtils.Reset(_rootGo.transform);

            string path = string.Empty;
            switch (_skinType)
            {
                case RoleSkinModelType.PlayerBody://角色身体
                    path = Application.dataPath + "/GameAssets/Resources/VFX/Player/Body";
                    _modelID = _modelID / 100;
                    break;
                case RoleSkinModelType.PlayerWeapon://角色武器
                    path = Application.dataPath + "/GameAssets/Resources/VFX/Player/Weapon";
                    _modelID = _modelID / 100;
                    break;
                case RoleSkinModelType.PlayerMount://角色坐骑
                    path = Application.dataPath + "/GameAssets/Resources/VFX/Mount";
                    _modelID = -1;
                    break;
                case RoleSkinModelType.MonsterBody://怪物,npc主体
                    path = Application.dataPath + "/GameAssets/Resources/VFX/Monster";
                    _modelID = -1;
                    break;
                case RoleSkinModelType.CollectionBody://采集物主体
                    path = Application.dataPath + "/GameAssets/Resources/VFX/Object";
                    _modelID = -1;
                    break;
                case RoleSkinModelType.DrapItem:////掉落物品
                    path = Application.dataPath + "/GameAssets/Resources/VFX/Object";
                    _modelID = -1;
                    break;
            }

            if (!string.IsNullOrEmpty(path) && Directory.Exists(path))
            {
                DirectoryInfo direction = new DirectoryInfo(path);
                FileInfo[] fileList = direction.GetFiles("*.prefab", SearchOption.AllDirectories);
                for (int i = 0; i < fileList.Length; ++i)
                {
                    var prePath = fileList[i].FullName;
                    prePath = prePath.Replace('\\', '/');
                    prePath = prePath.Substring(path.IndexOf("VFX/"));
                    prePath = prePath.Replace(".prefab", "");
                    var go = ResourcesEx.Load(prePath) as GameObject;
                    if (go != null)
                    {
                        var instGo = GameObject.Instantiate(go) as GameObject;
                        instGo.transform.parent = _rootGo.transform;
                        UnityUtils.Reset(instGo.transform);
                        _vfxList.Add(instGo);
                        instGo.transform.localPosition = new Vector3(2000f + i * 100f, 2000f, 0f);

                        GameObject cameraGo = new GameObject(string.Format("camera_{0}", instGo.name));
                        cameraGo.transform.parent = _rootGo.transform;
                        cameraGo.transform.localPosition = new Vector3(2000f + i * 100f, 2000f, -1f);

                        var camera = UnityUtils.RequireComponent<Camera>(cameraGo);
                        camera.farClipPlane = 500;
                        camera.clearFlags = CameraClearFlags.SolidColor;
                        camera.backgroundColor = new Color(0.176f, 0.176f, 0.176f, 1f);
                        camera.enabled = true;
                        _cameras.Add(camera);

                        var temTex = RenderTexture.GetTemporary(256, 256, 32, RenderTextureFormat.RGB565);
                        temTex.name = "RenderTexture82";
                        temTex.antiAliasing = 1;
                        camera.targetTexture = temTex;
                        _renderTargets.Add(temTex);

                        instGo.name = instGo.name.Replace("(Clone)", "");
                        var nameParamArray = instGo.name.Split('_');
                        _vfxIDList.Add(int.Parse(nameParamArray[2]));
                    }
                }
            }
        }

        private void OnGUI()
        {
            var buttonColor = new Color(1f, 1f, 1f, 0f);
            _scrollPos = GUILayout.BeginScrollView(_scrollPos);
            var rect = new Rect();
            rect.size = new Vector2(100, 100);
            var count = (int)(this.position.width / 110);
            int index = 0;
            for (int i = 0; i < _vfxList.Count; ++i)
            {
                if (_modelID < 0 || _vfxIDList[i] / 100 == _modelID)
                {
                    rect.position = new Vector2(20 + index % count * 110, 50 + index / count * 130);
                    GUI.color = Color.white;
                    GUI.Box(rect, _renderTargets[i]);
                    GUI.color = buttonColor;
                    if (GUI.Button(rect, ""))
                    {
                        if (_selectCallBack != null)
                        {
                            _selectCallBack(_vfxIDList[i]);
                        }
                        Close();
                        return;
                    }
                    GUI.color = Color.white;
                    GUI.Label(rect, _vfxList[i].name);
                    ++index;
                }
            }
            GUILayout.BeginVertical();
            GUILayout.Space((index / count + 1) * 200f);
            GUILayout.BeginVertical();
            GUILayout.EndScrollView();
        }

        private void OnDestroy()
        {
            for (int i = 0; i < _vfxList.Count; ++i)
            {
                GameObject.DestroyImmediate(_vfxList[i]);
            }
            _vfxList.Clear();
            _vfxIDList.Clear();

            for (int i = 0; i < _cameras.Count; ++i)
            {
                GameObject.DestroyImmediate(_cameras[i].gameObject);
            }
            _cameras.Clear();

            for (int i = 0; i < _renderTargets.Count; ++i)
            {
                RenderTexture.ReleaseTemporary(_renderTargets[i]);
            }
            _renderTargets.Clear();

            GameObject.DestroyImmediate(_rootGo);
            _rootGo = null;
        }

        private void Update()
        {
            if (!Application.isPlaying)
            {
                Close();
            }
            Repaint();
        }
    }
}