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>
    /// Compression being used in CHD
    /// </summary>
    public enum CHDCompression : uint
    {
        CHDCOMPRESSION_NONE = 0,
        CHDCOMPRESSION_ZLIB = 1,
        CHDCOMPRESSION_ZLIB_PLUS = 2,
        CHDCOMPRESSION_AV = 3,
    }

    /// <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,
        TorrentZip,
        TorrentGzip,
        TorrentGzipRomba,
        TorrentXZ,
        TorrentXZRomba,
        TapeArchive,

        // Currently unimplemented fully
        Torrent7Zip,
        TorrentRar,
        TorrentLRZip,
        TorrentLZ4,
        TorrentZstd,
        TorrentZPAQ,
    }

    /// <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 how the current dictionary is bucketed by
    /// </summary>
    public enum BucketedBy
    {
        Default = 0,
        Size,
        CRC,
        MD5,
#if NET_FRAMEWORK
        RIPEMD160,
#endif
        SHA1,
        SHA256,
        SHA384,
        SHA512,
        Game,
    }


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

        // Force only deduping with certain types
        Game,
        CRC,
        MD5,
#if NET_FRAMEWORK
        RIPEMD160,
#endif
        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 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,
        BiosDescription,

        // Disk
        MD5,
#if NET_FRAMEWORK
        RIPEMD160,
#endif
        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 Reader related

    /// <summary>
    /// Different types of CMP rows being parsed
    /// </summary>
    public enum CmpRowType
    {
        None,
        TopLevel,
        Standalone,
        Internal,
        Comment,
        EndTopLevel,
    }

    /// <summary>
    /// Different types of INI rows being parsed
    /// </summary>
    public enum IniRowType
    {
        None,
        SectionHeader,
        KeyValue,
        Comment,
        Invalid,
    }

    #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
}