using Gameplay;
using Sirenix.OdinInspector;
using Sirenix.OdinInspector.Editor;
using Sirenix.Utilities;
using Sirenix.Utilities.Editor;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using TGS;
using UnityEditor;
using UnityEngine;
using UnityEngine.InputSystem.EnhancedTouch;
using ObjectFieldAlignment = Sirenix.OdinInspector.ObjectFieldAlignment;

namespace MapEditor
{
    public class MapGridWindow : OdinEditorWindow
    {
        #region Inner Class

        [Serializable]
        public class RegionArea
        {
            [HorizontalGroup("1")] [ReadOnly] public int id;

            [HorizontalGroup("1")] [ReadOnly] [LabelText("数量")]
            public int regionCount;

            public List<int> positions => _region.positions;

            private MapData.Region _region;

            public RegionArea(MapData.Region region)
            {
                _region = region;
            }

            [Button("编辑"), HorizontalGroup("1")]
            private void EditorRegion()
            {
                var map = thisWindow._map;
                thisWindow._currEditRegionArea = this;
                var regionslist = map.MapData.regions;
                for (int i = 0; i < regionslist.Count; i++)
                {
                    map.SetRegionColor(i, false, regionColor);
                }

                map.SetRegionColor(_region, true, regionColor);
                canEditorRegion = true;
            }

            public void AddPosition(int cellIndex)
            {
                if (positions.Contains(cellIndex))
                    return;
                positions.Add(cellIndex);
                regionCount++;
                thisWindow._map.TerrainGridSystem.CellToggleRegionSurface(cellIndex, true, regionColor);
            }

            public void RemovePosition(int cellIndex)
            {
                if (!positions.Contains(cellIndex))
                    return;
                positions.Remove(cellIndex);
                regionCount--;
                thisWindow._map.TerrainGridSystem.CellHideRegionSurface(cellIndex);
            }
        }

        #endregion

        #region Fields And Properties

        private static MapGridWindow thisWindow;

        //1.#FFBF0072  2.#FF960072  
        private static readonly Color regionColor = MapUtils.GetRGBAColor("FF960072");

        private static readonly Color cellBorderColor = new Color(229f, 229f, 229f, 237f);

        private static readonly float cellBorderWidth = 1f;

        private static List<TerrainTypeProperty> _terrainTypeConfig;

        private static bool canEditorRegion = false;

        private bool EditorNewRegion = false;

        private string _mapDataJsonStr = "";

        private GameObject selectedGameObject;
        private Vector3 previousPosition;
        private Vector3 previousRotation;

        private MapData _currentMapData = null;

        private RegionArea _currEditRegionArea;

        private MapManager _currMapManager;

        private Map _map;

        private Dictionary<int, GameObject> _buffPrefabDic;

        private GameObject buffRoot;

        #endregion

        #region Editor

        [Button("保存")]
        private void RebuildPrefab()
        {
            _currMapManager.SaveMapData();
        }

        [Button("清除网格数据")]
        private void ClearGridData()
        {
            if (EditorUtility.DisplayDialog("清理网格数据", "您是否确认清理地图网格数据", "确认", "取消"))
            {
                _currentMapData.ClearGridData();
                _map.TerrainGridSystem.TerritoryDestroyAll();
                ClearRegionColor();
                UpdateRegion();
                _currMapManager.SaveMapData();
            }
        }

        [BoxGroup("地块信息")]
        [LabelText("刷地块"), Indent]
        [OnValueChanged("OnCanBrushTerrainTypeChanged")]
        [LabelWidth(100)]
        [SerializeField]
        [ShowIf("@!CanEditorAreaType")]
        private bool CanBrushTerrainType;

        private void OnCanBrushTerrainTypeChanged()
        {
            if (CanBrushTerrainType && _map != null)
            {
                CanEditorAreaType = false;
                // CanBrushBuffCellIndex = false;
            }
        }

        [HorizontalGroup("地块信息/Territory")]
        [ValueDropdown("GetTerrainTypeProperties")]
        [Indent]
        [LabelText("选择地块")]
        [ShowIf("CanBrushTerrainType")]
        public int TerrainTypeIndex = 0;

        [ShowIf("CanBrushTerrainType")]
        [HorizontalGroup("地块信息/Territory")]
        [Button(SdfIconType.GearFill, "编辑地块")]
        public void EditTerrainTypeConfig()
        {
            var window = GetWindow<TerrainTypeConfigWindow>();
            window.Show();
        }

        /*[BoxGroup("指示信息")]
        [LabelText("刷指示信息"), Indent]
        [OnValueChanged("OnCanBrushBuffCellIndexChanged")]
        [LabelWidth(100)]
        [SerializeField]
        [ShowIf("@!CanEditorAreaType")]
        private bool CanBrushBuffCellIndex;

        private void OnCanBrushBuffCellIndexChanged()
        {
            if (CanBrushBuffCellIndex && _map != null)
            {
                CanEditorAreaType = false;
                CanBrushTerrainType = false;
            }
        }

        [BoxGroup("指示信息/GameObj")]
        [PreviewField(150, ObjectFieldAlignment.Center)]
        [LabelText("指示预览图"), ShowIf("CanBrushBuffCellIndex")]
        [AssetList(Path = BuffPrefabPath)]
        public GameObject buffObject;*/

        [BoxGroup("地区信息")]
        [HorizontalGroup("地区信息/Region")]
        [LabelText("编辑地区"), Indent]
        [OnValueChanged("OnCanEditorAreaTypeChanged")]
        [LabelWidth(100)]
        [SerializeField]
        private bool CanEditorAreaType;

        private void OnCanEditorAreaTypeChanged()
        {
            var map = _map;
            if (CanEditorAreaType)
            {
                CanBrushTerrainType = false;
                // CanBrushBuffCellIndex = false;
            }
            else
            {
                ClearRegionColor();
                SceneView.RepaintAll();
                canEditorRegion = false;
            }
        }

        [LabelText("地区列表")]
        [VerticalGroup("地区信息/RegionInfo")]
        [ShowIf("CanEditorAreaType")]
        [VerticalGroup("地区信息/RegionInfo"), Indent]
        [ListDrawerSettings(CustomAddFunction = "CustomAddRegion", CustomRemoveIndexFunction = "CustomRemoveRegion",
            DraggableItems = false)]
        public List<RegionArea> RegionList = new();

        private void CustomAddRegion()
        {
            var region = new MapData.Region();
            _currentMapData.regions.Add(region);
            UpdateRegion();
        }

        private void CustomRemoveRegion(int index)
        {
            ClearRegionColor();
            _currentMapData.regions.RemoveAt(index);
            UpdateRegion();
        }

        #endregion

        #region MainLife

        public static void OpenWindow(MapManager mapSceneEditor)
        {
            MapEditorSettings.Init();
            thisWindow = GetWindow<MapGridWindow>();
            thisWindow.name = "MapGridWindow";
            thisWindow.position = GUIHelper.GetEditorWindowRect().AlignCenter(800, 600);
            thisWindow._currMapManager = mapSceneEditor;
            thisWindow._currentMapData = null;
            thisWindow.ShowTab();
            thisWindow.LoadMap(mapSceneEditor.TGS, mapSceneEditor.MapData, mapSceneEditor.Map);
            thisWindow.LoadBuffPrefab();
            UnityEditor.Compilation.CompilationPipeline.compilationStarted += OnCompilationStart;
        }

        private static void OnCompilationStart(object obj)
        {
            thisWindow?.Close();
            thisWindow = null;
        }

        private void LoadBuffPrefab()
        {
            DestroyBuffObj();
            _buffPrefabDic.Clear();
            var buffObjCells = _map.MapData.showBuffPoints;
            foreach (var cell in buffObjCells)
            {
                var buffObj = CreateBuffObj(cell.cellIndex, cell.path);
                _buffPrefabDic.TryAdd(cell.cellIndex, buffObj);
            }
        }

        private void DestroyBuffObj()
        {
            if (_buffPrefabDic == null) return;
            _buffPrefabDic.Clear();
            DestroyImmediate(buffRoot);
            buffRoot = null;
        }

        private void LoadMap(TerrainGridSystem tgs, MapData data, Map map)
        {
            _currentMapData = data;
            _map = map;
            _terrainTypeConfig = TerrainTypeConfig.TerrainTypeProperties;
            _map.TerrainGridSystem.highlightEffect = HighlightEffect.Default;
            tgs.OnMouseClickOnGrid += OnMouseClickCell;
            UpdateRegion();
        }

        protected override void OnEnable()
        {
            EnhancedTouchSupport.Enable();
            TerrainTypeConfig.Load();
            _buffPrefabDic = new Dictionary<int, GameObject>();
            base.OnEnable();
        }

        protected override void OnDisable()
        {
            DestroyBuffObj();
            _buffPrefabDic = null;
            EnhancedTouchSupport.Disable();
            base.OnDisable();
        }

        protected override void OnGUI()
        {
            base.OnGUI();
            if (_currMapManager == null || _currMapManager.MapData != _currentMapData)
            {
                Debug.Log("地图数据变更，请重新点击编辑网格！");
                Close();
            }
        }

        protected override void OnDestroy()
        {
            base.OnDestroy();
            DestroyBuffObj();
            if (_currMapManager != null)
                _currMapManager.SaveMapData();
            ClearRegionColor();
            _map.TerrainGridSystem.OnMouseClickOnGrid -= OnMouseClickCell;
            UnityEditor.Compilation.CompilationPipeline.compilationStarted -= OnCompilationStart;
        }

        #endregion

        #region Other

        private void UpdateRegion()
        {
            RegionList.Clear();
            if (_currentMapData != null)
            {
                int index = 0;
                foreach (var region in _currentMapData.regions)
                {
                    RegionArea ra = new RegionArea(region);
                    ra.id = index;
                    ra.regionCount = ra.positions.Count;
                    RegionList.Add(ra);
                    index++;
                }
            }
        }

        private void OnMouseClickCell(TerrainGridSystem tgs, int cellIndex, int buttonIndex)
        {
            int leftButton = 0;

            OnCellOperation(tgs, cellIndex, buttonIndex == leftButton);
        }
        

        private void OnCellOperation(TerrainGridSystem tgs, int cellIndex, bool isOpTrue)
        {
            if (!CanBrushTerrainType && !CanEditorAreaType)
            {
                return;
            }

            if (CanEditorAreaType && _currEditRegionArea == null)
                return;

            if (isOpTrue && TerrainTypeIndex >= 0 && CanBrushTerrainType)
            {
                SetCellBlockType(cellIndex, TerrainTypeIndex);
            }
            else if (!isOpTrue && CanBrushTerrainType)
            {
                if (_currentMapData.BlocksData[cellIndex].TerrainTypeIndex == TerrainTypeIndex)
                {
                    ClearCellBlockType(cellIndex);
                }
            }

            if (isOpTrue && canEditorRegion)
            {
                _currEditRegionArea.AddPosition(cellIndex);
            }
            else if (!isOpTrue && canEditorRegion)
            {
                _currEditRegionArea.RemovePosition(cellIndex);
            }
        }

        private void SetCellBlockType(int cellIndex, int TerrainTypeIndex)
        {
            var map = _map;
            // Key: TerrainTypeIndex  Value: tgs.territories.index
            if (!map.TerrainTypeIndexDic.ContainsKey(TerrainTypeIndex))

                map.TerrainTypeIndexDic.Add(TerrainTypeIndex, map.TerrainTypeIndexDic.Count);


            if (!_terrainTypeConfig[TerrainTypeIndex].selectable)

                map.TerrainGridSystem.CellSetBorderVisible(cellIndex, false);

            map.SetTerrainType(cellIndex, TerrainTypeIndex);
            map.TerrainGridSystem.CellToggleRegionSurface(cellIndex, true, _terrainTypeConfig[TerrainTypeIndex].Color);
            var buffPath = _terrainTypeConfig[TerrainTypeIndex].buffObjectPath;
            if (!string.IsNullOrEmpty(buffPath))
            {
                AddBuffCell(cellIndex, buffPath);
            }

            Debug.Log(
                $"Set Territory, cellIndex ({cellIndex}), terrain type ({TerrainTypeIndex}), name ({_terrainTypeConfig[TerrainTypeIndex].Color})");
        }

        private void ClearCellBlockType(int cellIndex)
        {
            var map = _map;
            map.TerrainGridSystem.CellSetBorderVisible(cellIndex, true);
            map.TerrainGridSystem.CellHideRegionSurface(cellIndex);
            _map.SetBlockColor(cellIndex, false, _terrainTypeConfig[TerrainTypeIndex].Color);
            map?.SetTerrainType(cellIndex, -1);
            var buffPath = _terrainTypeConfig[TerrainTypeIndex].buffObjectPath;
            if (!string.IsNullOrEmpty(buffPath))
            {
                RemoveBuffCell(cellIndex);
            }

            Debug.Log($"Cell Clear Territory, cellIndex({cellIndex})");
        }

        private bool banSaveMapList = false;

        private void SetCellBorderType()
        {
            var map = _map;
            if (map != null)
            {
                map.TerrainGridSystem.cellBorderColor = cellBorderColor / 255f;
                map.TerrainGridSystem.cellBorderThickness = cellBorderWidth;
            }
        }

        private static IEnumerable GetTerrainTypeProperties()
        {
            _terrainTypeConfig = TerrainTypeConfig.TerrainTypeProperties;
            var list = new ValueDropdownList<int>();
            if (_terrainTypeConfig != null)
            {
                for (int i = 0; i < _terrainTypeConfig.Count; i++)
                {
                    list.Add(_terrainTypeConfig[i].name, i);
                }
            }

            return list;
        }

        private void ClearRegionColor()
        {
            if (_map == null)
                return;
            for (int i = 0; i < _map.MapData.regions.Count; i++)
            {
                _map.SetRegionColor(i, false, regionColor);
            }
        }

        private void AddBuffCell(int cellIndex, string path)
        {
            // 阵地buff指示
            if (!_buffPrefabDic.ContainsKey(cellIndex))
            {
                var buff = CreateBuffObj(cellIndex, path);
                if (buff == null) return;
                _buffPrefabDic.Add(cellIndex, buff);
                DebugUtil.Log("格子{0}添加指示图标，路径为{1}", cellIndex, path);
            }
        }

        private void RemoveBuffCell(int cellIndex)
        {
            if (_buffPrefabDic.TryGetValue(cellIndex, out var buff))
            {
                if (buff != null)
                {
                    DestroyImmediate(buff);
                }

                _buffPrefabDic.Remove(cellIndex);

                DebugUtil.Log("格子{0}移除指示图标", cellIndex);
            }
        }

        private GameObject CreateBuffObj(int cellIndex, string path)
        {
            var buffObj = AssetDatabase.LoadAssetAtPath<GameObject>(path);
            if (buffObj == null)
            {
                DebugUtil.LogError($"{path} 路径下无Buff指示预制体 ");
                return null;
            }

            if (buffRoot == null)
                buffRoot = new GameObject("buffRoot");
            var posV3 = _map.TGSCellIndex2WorldPosition(cellIndex);
            var buff = Instantiate(buffObj, posV3, buffObj.transform.rotation, buffRoot.transform);
            buff.SetActive(true);
            /*var buffParticle = buff.transform.Find("EndNotice").gameObject;
            var particleSystem = buffParticle.GetComponentInChildren<ParticleSystem>();
            if (particleSystem != null)
            {
                particleSystem.Play();
                SceneView.RepaintAll();
            }*/

            return buff;
        }

        #endregion
    }
}