namespace SabreTools.Library.Data
{
    #region Archival

    /// <summary>
    /// Version of tool archive made by
    /// </summary>
    public enum ArchiveVersion : ushort
    {
        MSDOSandOS2 =   0,
        Amiga =         1,
        OpenVMS =       2,
        UNIX =          3,
        VMCMS =         4,
        AtariST =       5,
        OS2HPFS =       6,
        Macintosh =     7,
        ZSystem =       8,
        CPM =           9,
        WindowsNTFS =   10,
        MVS =           11,
        VSE =           12,
        AcornRisc =     13,
        VFAT =          14,
        AlternateMVS =  15,
        BeOS =          16,
        Tandem =        17,
        OS400 =         18,
        OSXDarwin =     19,
        TorrentZip =    20,
        TorrentZip64 =  45,
    }

    /// <summary>
    /// Availible CHD codec formats
    /// </summary>
    public enum CHD_CODEC : uint
    {
        NONE =      0,

        #region General Codecs

        ZLIB =      0x7a6c6962, // zlib
        LZMA =      0x6c7a6d61, // lzma
        HUFFMAN =   0x68756666, // huff
        FLAC =      0x666c6163, // flac

        #endregion

        #region General Codecs with CD Frontend

        CD_ZLIB =   0x63647a6c, // cdzl
        CD_LZMA =   0x63646c7a, // cdlz
        CD_FLAC =   0x6364666c, // cdfl

        #endregion

        #region A/V Codecs

        AVHUFF =    0x61766875, // avhu

        #endregion

        #region Pseudo-Codecs Returned by hunk_info

        SELF =      1,  // copy of another hunk
        PARENT =    2,  // copy of a parent's hunk
        MINI =      3,  // legacy "mini" 8-byte repeat

        #endregion
    }

    /// <summary>
    /// Compression method based on flag
    /// </summary>
    public enum CompressionMethod : ushort
    {
        Stored =                        0,
        Shrunk =                        1,
        ReducedCompressionFactor1 =     2,
        ReducedCompressionFactor2 =     3,
        ReducedCompressionFactor3 =     4,
        ReducedCompressionFactor4 =     5,
        Imploded =                      6,
        Tokenizing =                    7,
        Deflated =                      8,
        Delfate64 =                     9,
        PKWAREDataCompressionLibrary =  10,
        Type11 =                        11, // Reserved and unused (SHOULD NOT BE USED)
        BZIP2 =                         12,
        Type13 =                        13, // Reserved and unused (SHOULD NOT BE USED)
        LZMA =                          14,
        Type15 =                        15, // Reserved and unused (SHOULD NOT BE USED)
        Type16 =                        16, // Reserved and unused (SHOULD NOT BE USED)
        Type17 =                        17, // Reserved and unused (SHOULD NOT BE USED)
        IBMTERSE =                      18,
        IBMLZ77 =                       19,
        WavPak =                        97,
        PPMdVersionIRev1 =              98,
    }

    /// <summary>
    /// Type of file that is being looked at
    /// </summary>
    public enum FileType
    {
        // Singleton
        None = 0,
        CHD,

        // Can contain children
        Folder,
        SevenZipArchive,
        GZipArchive,
        LRZipArchive,
        LZ4Archive,
        RarArchive,
        TapeArchive,
        XZArchive,
        ZipArchive,
        ZPAQArchive,
        ZstdArchive,
    }

    /// <summary>
    /// Output format for rebuilt files
    /// </summary>
    public enum OutputFormat
    {
        // Currently implemented
        Folder =        0,
        TorrentZip =    1,
        TorrentGzip =   2,
        TapeArchive =   5,

        // Currently unimplemented fully
        Torrent7Zip =   3,
        TorrentRar =    4,
        TorrentXZ =     6,
        TorrentLRZip =  7,
        TorrentLZ4 =    8,
        TorrentZstd =   9,
        TorrentZPAQ =   10,
    }

    /// <summary>
    /// RAR extra area flag
    /// </summary>
    public enum RarExtraAreaFlag : uint
    {
        FileEncryption =    0x01,
        FileHash =          0x02,
        FileTime =          0x03,
        FileVersion =       0x04,
        Redirection =       0x05,
        UnixOwner =         0x06,
        ServiceData =       0x07,
    }

    /// <summary>
    /// RAR header types
    /// </summary>
    public enum RarHeaderType : uint
    {
        MainArchiveHeader =     1,
        File =                  2,
        Service =               3,
        ArchiveEncryption =     4,
        EndOfArchive =          5,
    }

    /// <summary>
    /// RAR entry redirection type
    /// </summary>
    public enum RarRedirectionType : uint
    {
        UnixSymlink =       0x0001,
        WindowsSymlink =    0x0002,
        WindowsJunction =   0x0003,
        HardLink =          0x0004,
        FileCopy =          0x0005,
    }

    /// <summary>
    /// 7zip Properties
    /// </summary>
    public enum SevenZipProperties : uint
    {
        kEnd =                      0x00,

        kHeader =                   0x01,

        kArchiveProperties =        0x02,

        kAdditionalStreamsInfo =    0x03,
        kMainStreamsInfo =          0x04,
        kFilesInfo =                0x05,

        kPackInfo =                 0x06,
        kUnPackInfo =               0x07,
        kSubStreamsInfo =           0x08,

        kSize =                     0x09,
        kCRC =                      0x0A,

        kFolder =                   0x0B,

        kCodersUnPackSize =         0x0C,
        kNumUnPackStream =          0x0D,

        kEmptyStream =              0x0E,
        kEmptyFile =                0x0F,
        kAnti =                     0x10,

        kName =                     0x11,
        kCTime =                    0x12,
        kATime =                    0x13,
        kMTime =                    0x14,
        kWinAttributes =            0x15,
        kComment =                  0x16,

        kEncodedHeader =            0x17,

        kStartPos =                 0x18,
        kDummy =                    0x19,
    }

    #endregion

    #region DatFile related

    /// <summary>
    /// Determines the DAT deduplication type
    /// </summary>
    public enum DedupeType
    {
        None = 0,
        Full,

        // Force only deduping with certain types
        Game,
        CRC,
        MD5,
        SHA1,
        SHA256,
        SHA384,
        SHA512,
    }

    /// <summary>
    /// Determines forcemerging tag for DAT output
    /// </summary>
    public enum ForceMerging
    {
        None = 0,
        Split,
        Merged,
        NonMerged,
        Full,
    }

    /// <summary>
    /// Determines forcenodump tag for DAT output
    /// </summary>
    public enum ForceNodump
    {
        None = 0,
        Obsolete,
        Required,
        Ignore,
    }

    /// <summary>
    /// Determines forcepacking tag for DAT output
    /// </summary>
    public enum ForcePacking
    {
        None = 0,
        Zip,
        Unzip,
    }

    /// <summary>
    /// Determines which files should be skipped in DFD
    /// </summary>
    public enum SkipFileType
    {
        None = 0,
        Archive,
        File,
    }

    /// <summary>
    /// Determines how the current dictionary is sorted by
    /// </summary>
    public enum SortedBy
    {
        Default = 0,
        Size,
        CRC,
        MD5,
        SHA1,
        SHA256,
        SHA384,
        SHA512,
        Game,
    }

    /// <summary>
    /// Determines how a DAT will be split internally
    /// </summary>
    public enum SplitType
    {
        None = 0,
        NonMerged,
        Merged,
        FullNonMerged,
        Split,
        DeviceNonMerged
    }

    #endregion

    #region DatItem related

    /// <summary>
    /// List of valid field types within a DatItem/Machine
    /// </summary>
    public enum Field : int
    {
        NULL = 0,

        // Generic DatItem
        Name,
        PartName,
        PartInterface,
        Features,
        AreaName,
        AreaSize,

        // Machine
        MachineName,
        Comment,
        Description,
        Year,
        Manufacturer,
        Publisher,
        RomOf,
        CloneOf,
        SampleOf,
        Supported,
        SourceFile,
        Runnable,
        Board,
        RebuildTo,
        Devices,
        SlotOptions,
        Infos,
        MachineType,

        // BiosSet
        Default,

        // Disk
        MD5,
        SHA1,
        SHA256,
        SHA384,
        SHA512,
        Merge,
        Region,
        Index,
        Writable,
        Optional,
        Status,

        // Release
        Language,
        Date,

        // Rom
        Bios,
        Size,
        CRC,
        Offset,
    }

    /// <summary>
    /// Determine what type of file an item is
    /// </summary>
    public enum ItemType
    {
        Rom =       0,
        Disk =      1,
        Sample =    2,
        Release =   3,
        BiosSet =   4,
        Archive =   5,

        Blank =     99, // This is not a real type, only used internally
    }

    #endregion

    #region Help related

    /// <summary>
    /// Determines the feature type to check for
    /// </summary>
    public enum FeatureType
    {
        Flag = 0,
        String,
        Int32,
        Int64,
        List,
    }

    #endregion

    #region Logging related

    /// <summary>
    /// Severity of the logging statement
    /// </summary>
    public enum LogLevel
    {
        VERBOSE = 0,
        USER,
        WARNING,
        ERROR,
    }

    #endregion

    #region Skippers and Mappers

    /// <summary>
    /// Determines the header skip operation
    /// </summary>
    public enum HeaderSkipOperation
    {
        None = 0,
        Bitswap,
        Byteswap,
        Wordswap,
        WordByteswap,
    }

    /// <summary>
    /// Determines the type of test to be done
    /// </summary>
    public enum HeaderSkipTest
    {
        Data = 0,
        Or,
        Xor,
        And,
        File,
    }

    /// <summary>
    /// Determines the operator to be used in a file test
    /// </summary>
    public enum HeaderSkipTestFileOperator
    {
        Equal = 0,
        Less,
        Greater,
    }

    #endregion
}