/* libwp7n2012 -- Winning Post 7 2012 Cheat Library



   Copyright (C) 2012 AIPON of author



   This library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.



   This library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.



   You should have received a copy of the GNU Lesser General Public

   License along with this library; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



   Written by AIPON */



using System;

using System.Collections.Generic;



namespace KOEI.WP7_2012.MemoryTable

{

	/// <summary>

	/// ???????????????????????

	/// </summary>

	public class HorseNameTable

	{

		private KOEI.WP7_2012.Helper.ProcessMemory pm_;

		private Dictionary< int, KOEI.WP7_2012.Horse.Name.NameData > name_data_dic_;

		private ConfigurationInterface config_;

		private HorseNameTableConfiguration system_table_config_;

		private HorseNameTableConfiguration user_table_config_;



		/// <summary>

		/// ???????

		/// </summary>

		/// <param name="pm">??????????</param>

		/// <param name="config">????????????????</param>

		public HorseNameTable( KOEI.WP7_2012.Helper.ProcessMemory pm, ConfigurationInterface config )

		{

			this.pm_ = pm;

			this.name_data_dic_ = new Dictionary< int, KOEI.WP7_2012.Horse.Name.NameData >();

			this.config_ = config;

			this.system_table_config_ = config.HorseNameSystemTable;

			this.user_table_config_ = config.HorseNameUserTable;



			// ??????????????????

			this.CreateSystemNameTable();



			// ??????????????????

			this.CreateUserNameTable();

		}



		/// <summary>

		/// ????????????(foreach???)

		/// </summary>

		/// <returns>????</returns>

		public IEnumerator< KOEI.WP7_2012.Horse.Name.NameData > GetEnumerator()

		{

			foreach( var name_data in this.name_data_dic_ ) {

				yield return name_data.Value;

			}

		}



		/// <summary>

		/// ???????

		/// </summary>

		/// <param name="n">????</param>

		/// <returns>??????????????null???</returns>

		public KOEI.WP7_2012.Horse.Name.NameData this[int n]

		{

			get {

				if( !this.name_data_dic_.ContainsKey(n) ) {

					return null;

				}

				return this.name_data_dic_[n];

			}

		}



		private static bool IsKana( byte x )

		{

			return ( x >= 0xB6 && x <= 0xC4 ) || ( x >= 0x01 && x <= 0x56 ) || ( x >= 0xA2 && x <= 0xAB ) || ( x >= 0xB6 && x <= 0xC4  ) || ( x==0xFE );

		}



		private static bool IsEnglish( byte x )

		{

			return ( x >= 0x57 && x <= 0x9E ) || ( x >= 0x9F && x <= 0xA1 ) || ( x >= 0xAC && x <= 0xB4 ) || ( x == 0xFD );

		}



		private void CreateSystemNameTable()

		{

			var table_size = BitConverter.ToUInt32( this.pm_.ReadMemory( this.system_table_config_.TableSizeAddress, 4 ), 0 );

			var pointer_address = BitConverter.ToUInt32( this.pm_.ReadMemory( this.system_table_config_.PointerAddress, 4 ), 0 );

			var table = this.pm_.ReadMemory( pointer_address, table_size );



			using( var ms = new System.IO.MemoryStream( table ) ) {

				for( var i=0; i<this.system_table_config_.RecordMaxLength; ++i ) {

					var b = 0;

					var name_data = new KOEI.WP7_2012.Horse.Name.NameData() {

						Id = (uint)i,

						Type = KOEI.WP7_2012.Horse.Name.NameDataType.SYSTEM,

					};

					using( var buff = new System.IO.MemoryStream() ) {

						while( true ) {

							if( ( b = ms.ReadByte() ) == -1 ) {

								throw new Exception("?????????????????");

							}

							if( !IsKana( (byte)b ) && !IsEnglish( (byte)b ) ) {

								throw new Exception("?????????????????(??)");

							}

							if( !IsKana( (byte)b ) ) {

								ms.Seek( -1, System.IO.SeekOrigin.Current );							

								name_data.Kana = KOEI.WP7_2012.Helper.KoeiCode.ToString( buff.ToArray() );

								break;

							}

							buff.WriteByte( (byte)b );

						}

					}

					using( var buff = new System.IO.MemoryStream() ) {

						while( true ) {

							if( ( b = ms.ReadByte() ) == -1 ) {

								break;

//								throw new Exception("?????????????????");

							}

							if( !IsKana( (byte)b ) && !IsEnglish( (byte)b ) && i != this.system_table_config_.RecordMaxLength ) {

								throw new Exception("?????????????????(??)");

							}

							if( !IsEnglish( (byte)b ) ) {

								ms.Seek( -1, System.IO.SeekOrigin.Current );

								name_data.English = KOEI.WP7_2012.Helper.KoeiCode.ToString( buff.ToArray() );

								break;

							}

							// ?????????????

							if( ( b >= 0x57 && b <= 0x9E ) || b == 0xFD ) {

								buff.WriteByte( (byte)b );

							}

						}

					}

					this.name_data_dic_[i] = name_data;

				}

			}

		}



		private void CreateUserNameTable()

		{

			var table_size = BitConverter.ToUInt32( this.pm_.ReadMemory( this.user_table_config_.TableSizeAddress, 4 ), 0 );

			var pointer_address = BitConverter.ToUInt32( this.pm_.ReadMemory( this.user_table_config_.PointerAddress, 4 ), 0 );

			var table = this.pm_.ReadMemory( pointer_address, table_size );



			var i = this.user_table_config_.StartNumber;



			using( var ms = new System.IO.MemoryStream( table ) ) {

				var buff = new byte[9];

				while(true) {

					if( ms.Read( buff, 0, buff.Length ) != buff.Length ) {

						break;

					}

					if( buff[0] == 0 && i > config_.UserNameTableStartNumber + 1 ) {

						break;

					}

					var name = KOEI.WP7_2012.Helper.KoeiCode.ToString( buff );



					this.name_data_dic_[ (int)i ] = new KOEI.WP7_2012.Horse.Name.NameData() {

						Id = i,

						Kana = name,

						English = name,

						Type = KOEI.WP7_2012.Horse.Name.NameDataType.USER,

					};

					i++;

				}

			}

		}



	}

}