// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : CHD.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Disc image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
//     Manages MAME Compressed Hunks of Data disk images.
//
// --[ License ] --------------------------------------------------------------
//
//     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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/

using System.Collections.Generic;
using System.IO;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Structs;

namespace DiscImageChef.DiscImages
{
    // TODO: Implement PCMCIA support
    public partial class Chd : IMediaImage
    {
        /// <summary>"MComprHD"</summary>
        readonly byte[] chdTag = {0x4D, 0x43, 0x6F, 0x6D, 0x70, 0x72, 0x48, 0x44};
        uint                      bytesPerHunk;
        byte[]                    cis;
        byte[]                    expectedChecksum;
        uint                      hdrCompression;
        uint                      hdrCompression1;
        uint                      hdrCompression2;
        uint                      hdrCompression3;
        Dictionary<ulong, byte[]> hunkCache;
        byte[]                    hunkMap;
        ulong[]                   hunkTable;
        uint[]                    hunkTableSmall;
        byte[]                    identify;
        ImageInfo                 imageInfo;
        Stream                    imageStream;
        bool                      isCdrom;
        bool                      isGdrom;
        bool                      isHdd;
        uint                      mapVersion;
        int                       maxBlockCache;
        int                       maxSectorCache;
        Dictionary<ulong, uint>   offsetmap;
        List<Partition>           partitions;
        Dictionary<ulong, byte[]> sectorCache;
        uint                      sectorsPerHunk;
        bool                      swapAudio;
        uint                      totalHunks;
        Dictionary<uint, Track>   tracks;

        public Chd()
        {
            imageInfo = new ImageInfo
            {
                ReadableSectorTags    = new List<SectorTagType>(),
                ReadableMediaTags     = new List<MediaTagType>(),
                HasPartitions         = false,
                HasSessions           = false,
                Application           = "MAME",
                Creator               = null,
                Comments              = null,
                MediaManufacturer     = null,
                MediaModel            = null,
                MediaSerialNumber     = null,
                MediaBarcode          = null,
                MediaPartNumber       = null,
                MediaSequence         = 0,
                LastMediaSequence     = 0,
                DriveManufacturer     = null,
                DriveModel            = null,
                DriveSerialNumber     = null,
                DriveFirmwareRevision = null
            };
        }
    }
}