using System;
using System.IO;
using NTERA.EmuEra.Game.EraEmu.Sub;

namespace NTERA.EmuEra.Game.EraEmu.Config
{
	internal static class KeyMacro
	{
		static readonly string macroPath = Program.ExeDir + "macro.txt";
		public const string gID = "グループ";
		public const int MaxGroup = 10;
		public const int MaxFkey = 12;
		public const int MaxMacro = MaxFkey * MaxGroup;
		/// <summary>
		/// マクロの内容
		/// </summary>
		static string[] macro = new string[MaxMacro];
		/// <summary>
		/// マクロキー
		/// </summary>
		static string[] macroName = new string[MaxMacro];
		static string[] groupName = new string[MaxGroup];
		static bool isMacroChanged;
		static KeyMacro()
		{
			for (int g = 0; g < MaxGroup; g++)
			{
				groupName[g] = "マクログループ" + g + "に設定";
				for (int f = 0; f < MaxFkey; f++)
				{
					int i = f + g * MaxFkey;
					macro[i] = "";
					if (g == 0)
						macroName[i] = "マクロキーF" + (f + 1) + ":";
					else
						macroName[i] = "G" + g + ":マクロキーF" + (f + 1) + ":";

				}
			}
		}

		public static bool SaveMacro()
		{
			if (!isMacroChanged)
				return true;
			StreamWriter writer = null;

			try
			{
				writer = new StreamWriter(macroPath, false, Config.Encode);
				for (int g = 0; g < MaxGroup; g++)
				{
					writer.WriteLine(gID + g + ":" + groupName[g]);
				}
				for (int i = 0; i < MaxMacro; i++)
				{
					writer.WriteLine(macroName[i] + macro[i]);
				}
			}
			catch (Exception)
			{
				return false;
			}
			finally
			{
				if (writer != null)
					writer.Close();
			}
			return true;
		}

		public static void LoadMacroFile(string filename)
		{
			EraStreamReader eReader = new EraStreamReader(false);
			if (!eReader.Open(filename))
				return;
			try
			{
				string line = null;
				while ((line = eReader.ReadLine()) != null)
				{
					if ((line.Length == 0) || (line[0] == ';'))
						continue;
					if (line.StartsWith(gID))
					{
						if (line.Length < gID.Length + 4)
							continue;
						int num = line[gID.Length] - '0';
						if (num < 0 || num > 9)
							continue;
						if (line[gID.Length + 1] != ':')
							continue;
						groupName[num] = line.Substring(gID.Length + 2);
					}
					for (int i = 0; i < MaxMacro; i++)
					{
						if (line.StartsWith(macroName[i]))
						{
							macro[i] = line.Substring(macroName[i].Length);
							break;
						}
					}
				}
			}
			catch {
			}
			finally { eReader.Dispose(); }
		}

		public static void SetMacro(int FkeyNum, int groupNum, string macroStr)
		{
			isMacroChanged = true;
			macro[FkeyNum + groupNum * MaxFkey] = macroStr;
		}

		public static string GetMacro(int FkeyNum, int groupNum)
		{
			return macro[FkeyNum + groupNum * MaxFkey];
		}

		public static string GetGroupName(int groupNum)
		{
			return groupName[groupNum];
		}
	}

}