using System;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

namespace BFEditor.Resource
{	
	public struct LuaCheckResult
	{
	    public string content;
	    public string path;
		public string line;
	}

	public static class LuaCheckController
	{
		private static string luaDir = Application.dataPath + "/Developer/lua";
		private static string excludeDir = Application.dataPath + "/Developer/lua/app/config";
		private const char DOUBLE_QUOTES = '"';
		private const char SINGLE_QUOTE = '\'';
	    public static List<LuaCheckResult> ResultList = new List<LuaCheckResult>();
		// private static Regex reg = new Regex(@".*[\u4e00-\u9fa5]+"); // 汉字
		private static Regex reg = new Regex(@".*[\u0391-\uffe5]+"); //双字节字符（汉字+符号）
		private static HashSet<string> ExcludeFileName = new HashSet<string> {
            "first_text.lua", "gm_const.lua", "dev_tool_list_ui.lua", "gm_tool_ui.lua"
        };
	    public static void CheckAll(Action<bool> checkOverAction)
	    {
			Clear();
			DirectoryInfo dir = new DirectoryInfo(luaDir);
	        FileInfo[] files = dir.GetFiles("*.lua", SearchOption.AllDirectories);
	        for (var i = 0; i < files.Length; ++i)
	        {
	            FileInfo fileInfo = files[i];
	            //跳过系统文件和隐藏文件
	            if (((fileInfo.Attributes & FileAttributes.Hidden) > 0) || ((fileInfo.Attributes & FileAttributes.System) > 0))
	            {
	                continue;
	            }
				if (fileInfo.DirectoryName.Replace("\\", "/").Contains(excludeDir))
				{
					continue;
				}
				if (ExcludeFileName.Contains(fileInfo.Name))
				{
					continue;
				}
			using (StreamReader sr = new StreamReader(fileInfo.FullName))
				{
					string lineContent;
					int lineNum = 0;
					while ((lineContent = sr.ReadLine()) != null)
					{
						lineNum++;
						var content = lineContent.Trim();
						if (content.StartsWith("--"))
						{
							continue;
						}
						Match match;
						int index = content.IndexOf("--");
						if(index >= 0)
						{
							var validContent = content.Substring(0, index);
							if( (GetQuoteCount(validContent) & 1) == 0) // 偶数
							{
								match = reg.Match(validContent);
							}
							else
							{
								match = reg.Match(content);
							}
						}
						else
						{
							match = reg.Match(content);
						}
						if (match != Match.Empty)
						{
							index = content.IndexOf("Logger.log");
							if (index < 0)
							{
								LuaCheckResult checkResult;
								checkResult.content = content;
								checkResult.line = string.Format("第{0}行:", lineNum);
								checkResult.path = fileInfo.FullName;
								ResultList.Add(checkResult);
							}
						}
					}
				}
	        }
			if (checkOverAction != null)
	            checkOverAction(ResultList.Count == 0);
	    }
	
		public static int GetQuoteCount(string str)
		{
			int count = 0;
			for(int i = 0; i < str.Length; i++)
			{
				if(str[i] == SINGLE_QUOTE || str[i] == DOUBLE_QUOTES)
				{
					count++;
				}
			}
			return count;
		}
	
	    public static void Clear()
	    {
	        ResultList.Clear();
	    }
	}
	
}