using System;
using System.Collections;
using System.Collections.Generic;
using System.Data.Common;
using System.IO;
using System.Text.RegularExpressions;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;

///最上面
///功能：扫描地图、打开地图、关闭地图、放弃设置
public class UIMapPanel : MonoBehaviour
{
    public ToggleGroup mapEditorGroup;
    public Dropdown dropMap;
    private int _curOpenMapId;
    private bool _saving;
    public int CurOpenMapId => _curOpenMapId;
    // Start is called before the first frame update
    void Start()
    {
        _saving = false;
        _curOpenMapId = -1;
    }

    void OnDataLoaded()
    {
        // 获取所有地图文件夹
        string mapsDirectory = Path.Combine(Application.dataPath, "GameAssets", "Maps");
        if (!Directory.Exists(mapsDirectory))
        {
            Debug.LogError($"Maps directory not found: {mapsDirectory}");
            return;
        }

        string[] mapFolders = Directory.GetDirectories(mapsDirectory);
        foreach (string folderPath in mapFolders)
        {
            string[] pathSplit = folderPath.Split(Path.DirectorySeparatorChar);
            string mapId = pathSplit[pathSplit.Length - 1]; // 例如 "v1000"

            string textureDirectory = Path.Combine(folderPath, "Texture");
            if (Directory.Exists(textureDirectory))
            {
                string[] imageFiles = Directory.GetFiles(textureDirectory, "*.jpg");
                int maxRow = 0;
                int maxCol = 0;
                string pattern = $@"{mapId}_r(\d+)_c(\d+)"; // 正则表达式：匹配 v1000_rXX_cYY
                Regex regex = new Regex(pattern);

                foreach (string filePath in imageFiles)
                {
                    string fileName = Path.GetFileNameWithoutExtension(filePath); // 例如 "v1000_r11_c14"
                    Match match = regex.Match(fileName);
                    if (match.Success)
                    {
                        if (int.TryParse(match.Groups[1].Value, out int row) && int.TryParse(match.Groups[2].Value, out int col))
                        {
                            maxRow = Mathf.Max(maxRow, row);
                            maxCol = Mathf.Max(maxCol, col);
                        }
                    }
                    else
                    {
                        Debug.LogWarning($"Filename {fileName} does not match expected pattern: {pattern}");
                    }
                }

                if (maxRow > 0 && maxCol > 0)
                {
                    MapManager.Instance.allMaps[mapId] = (maxCol, maxRow);
                    Debug.Log($"Map {mapId} loaded with max dimensions: {maxCol}x{maxRow}");
                }
                else
                {
                    Debug.LogWarning($"No valid dimensions found for map {mapId}");
                }
            }
            else
            {
                Debug.LogWarning($"Texture directory not found for map {mapId}: {textureDirectory}");
            }
        }
    }
    public void ExportMap()
    {
        MapManager.Instance.SaveAtlasToFile();
    }
    public void ScanMap()
    {
        MapManager.Instance.allMaps.Clear();

        OnDataLoaded();

        dropMap.options.Clear();
        foreach (var map in MapManager.Instance.allMaps)
        {
            Dropdown.OptionData od = new Dropdown.OptionData();
            od.text = map.Key;
            dropMap.options.Add(od);
        }
        dropMap.value = 1;
        dropMap.value = 0;  //为了默认选中第一项
    }

    public void OpenMap()
    {
        if(dropMap.options.Count == 0)
        {
            UIWindow.Instance.ShowMessage("请先扫描地图");
            return;
        }

        if(_curOpenMapId > 0)
        {
            UIWindow.Instance.ShowMessage("请先关闭已有地图");
            return;
        }
        int mapId = Convert.ToInt32(dropMap.options[dropMap.value].text);
        _curOpenMapId = mapId;
        UIWindow.Instance.uiEditMapConfig.LoadMapConfig(mapId);
        MapManager.Instance.LoadMapRegionSprites(_curOpenMapId);
        MapManager.Instance.LoadMapObs(_curOpenMapId);
        UIWindow.Instance.uiMonstersPanel.LoadMonsterConfig(mapId);
        UIWindow.Instance.uiNpcsPanel.LoadNpcsConfig(mapId);
        UIWindow.Instance.uiTriggersPanel.LoadTriggersConfig(mapId);
        UIWindow.Instance.uiFuBensPanel.LoadFuBenConfig(mapId);
        UIWindow.Instance.uiJuBaosPanel.LoadJuBaoConfig(mapId);

        //如果没有配置，需要创建阻隔点
        if (MapManager.Instance.map == null)
        {
            MapManager.Instance.CreateObs(_curOpenMapId);
        }
        UICellInfo.Instance.ShowMapCellInfo();
    }

    public void CloseMap()
    {
        MapManager.Instance.CloseMap();
        _curOpenMapId = -1;
        foreach (var toggle in mapEditorGroup.ActiveToggles())
        {
            toggle.isOn = false;
        }
    }

    public bool HasMap(string mapId)
    {
        return MapManager.Instance.allMaps.ContainsKey(mapId);
    }

    private void Update()
    {
        if (Input.GetKey(KeyCode.LeftControl) && Input.GetKey(KeyCode.S))
        {
            if (_saving)
                return;

            SaveAll();
        }  
    }

    public void SaveAll()
    {
        _saving = true;
        Debug.Log("正在保存所有数据...");
        MapManager.Instance.SaveRegionXML();
        MapManager.Instance.SaveMapObs();
        UIWindow.Instance.uiEditMapConfig.SaveMapConfig();
        UIWindow.Instance.uiMonstersPanel.SaveMonsterConfig();
        UIWindow.Instance.uiNpcsPanel.SaveNpcsConfig();
        UIWindow.Instance.uiTriggersPanel.SaveTriggersConfig();
        UIWindow.Instance.uiJuBaosPanel.SaveJuBaoConfig();
        UIWindow.Instance.uiFuBensPanel.SaveFuBenConfig();
        UIWindow.Instance.ShowMessage("保存成功");
        _saving = false;

#if UNITY_EDITOR
        AssetDatabase.Refresh();
#endif
    }
}