using UnityEngine;
using UnityEditor;
using System.IO;
using System.Text;
using System.Collections.Generic;
using TMPro;
using System.Linq;
using Logic.Multilingual;

public class ChineseCharacterOptimizer : EditorWindow
{
    private HashSet<char> characterSet = new HashSet<char>();
    
    [MenuItem("Tools/中文字符优化工具")]
    public static void ShowWindow()
    {
        GetWindow<ChineseCharacterOptimizer>("中文字符优化");
    }

    private void OnGUI()
    {
        if (GUILayout.Button("导出字符集"))
        {
            AddBasicCharacters();
            ExtractChineseFromI2Languages();
            ExportCharacterSet();
        }
    }

    private void AddBasicCharacters()
    {
        // 添加大写字母
        for (char c = 'A'; c <= 'Z'; c++)
        {
            characterSet.Add(c);
        }

        // 添加小写字母
        for (char c = 'a'; c <= 'z'; c++)
        {
            characterSet.Add(c);
        }

        // 添加数字
        for (char c = '0'; c <= '9'; c++)
        {
            characterSet.Add(c);
        }

        // 添加常用标点符号
        string punctuations = ",.!?;:\"'()[]{}+-*/=_<>@#$%^&|\\～｜／＼～｛｝［］【】「」『』《》〈〉：；“” ‘’＂，。？！…—－－＿＋－＝×÷";
        foreach (char c in punctuations)
        {
            characterSet.Add(c);
        }
    }

    private void ExtractChineseFromI2Languages()
    {
        var path = $"Assets/Resources/Export/Multilingual.asset";
        var asset = AssetDatabase.LoadAssetAtPath<MultilingualData>(path);
        if (asset == null)
        {
            EditorUtility.DisplayDialog("错误", "未找到多语言资源文件，请确认路径是否正确。", "确定");
            return;
        }

        foreach (var item in asset.Items)
        {
            foreach (var c in item.ZH)
            {
                if (!IsChinese(c)) continue;
                characterSet.Add(c);
            }
        }
    }

    private bool IsChinese(char c)
    {
        return (c >= 0x4E00 && c <= 0x9FFF) || // CJK统一汉字
               (c >= 0x3400 && c <= 0x4DBF) || // CJK扩展A
               (c >= 0x20000 && c <= 0x2A6DF); // CJK扩展B
    }

    private void ExportCharacterSet()
    {
        string path = EditorUtility.SaveFilePanel("保存字符集", "Assets/Fonts", "ChineseCharSet", "txt");
        if (!string.IsNullOrEmpty(path))
        {
            File.WriteAllText(path, string.Join("", characterSet.OrderBy(c => c)), Encoding.UTF8);
            EditorUtility.DisplayDialog("成功", "字符集已导出！", "确定");
        }
    }
}