using System;
using System.IO;

namespace Shared
{
	public static class Language
	{
		static System.Collections.Generic.List<string> currentStringList;
		static Language()
		{
			UpdateLanguage ();
			if (0 < currentStringList.Count&&currentStringList[0].StartsWith("CurrentLanguage=")) {
				CurrentLanguage = currentStringList [0].Substring ("CurrentLanguage=".Length);
			}
		}
		static System.Collections.Generic.List<string> readStringList(string fileName,System.Text.Encoding encoding)
		{
            var stringList = new System.Collections.Generic.List<string> ();
			System.IO.StreamReader fs = null;
			try {
                var filePath = Foundation.NSBundle.MainBundle.PathForResource(fileName, null);
                if (filePath == null)
                {
                    return stringList;
                }
				//if (System.IO.File.Exists (System.IO.Path.Combine (Application.RootPath, fileName))) {
					//fs = new   StreamReader (System.IO.Path.Combine (Application.RootPath, fileName),encoding);
				//} else if (System.IO.File.Exists (fileName)) {
                    fs = new  StreamReader (filePath,encoding);
				//} else {
					//return stringList;
				//}
				string s;
				while(null!=(s=fs.ReadLine()))
				{
					stringList.Add(s.Trim());
				}
				return stringList;
			} catch {
				return stringList;
			} finally {
				try {
					if (fs != null) {
						fs.Close ();	
					}
				} catch {

				}
			}
		}
		/// <summary>
		/// 重新更新语言库数据
		/// </summary>
		public static void UpdateLanguage()
		{
			currentStringList = readStringList("Language.ini", System.Text.Encoding.UTF8);
		}
		/// <summary>
		/// 当前设置的语言
		/// </summary>
		public static string CurrentLanguage="English";
		/// <summary>
		/// 根据ID获取对应的备注
		/// </summary>
		/// <returns>The by I.</returns>
		/// <param name="id">Identifier.</param>
		public static string StringByID(int id)
		{
			bool flag = false;
			for (int i = 0; i < currentStringList.Count; i++) {
				string currentLine = currentStringList [i];
				if (flag) {
					if (currentLine.Contains("=")&&currentLine.StartsWith(id.ToString()+"=")) {
						return currentLine.Substring (id.ToString ().Length + 1);
					}
				} else if (currentLine == "[" + CurrentLanguage + "]") {
					flag = true;
				} else {
					continue;
				}
			}
			return string.Empty;
		}

		public static string  []GetAllLanguage()
		{
			var list = new System.Collections.Generic.List<string> ();

			for (int i = 0; i < currentStringList.Count; i++) {
				string currentLine = currentStringList [i].Trim();
				if (currentLine.StartsWith ("[") && currentLine.EndsWith ("]")) {
					list.Add(currentLine.Substring(1,currentLine.Length-2));
				}
			}
			return list.ToArray();
		}
	}
}