namespace UglyToad.PdfPig.PdfFonts.Encodings
{
    using Core;

    internal class MacRomanEncoding : Encoding
    {
        /// <summary>
        /// Table of octal character codes and their corresponding names.
        /// </summary>
        private static readonly (int, string)[] EncodingTable =
        {
            (0101, "A"),
            (0256, "AE"),
            (0347, "Aacute"),
            (0345, "Acircumflex"),
            (0200, "Adieresis"),
            (0313, "Agrave"),
            (0201, "Aring"),
            (0314, "Atilde"),
            (0102, "B"),
            (0103, "C"),
            (0202, "Ccedilla"),
            (0104, "D"),
            (0105, "E"),
            (0203, "Eacute"),
            (0346, "Ecircumflex"),
            (0350, "Edieresis"),
            (0351, "Egrave"),
            (0106, "F"),
            (0107, "G"),
            (0110, "H"),
            (0111, "I"),
            (0352, "Iacute"),
            (0353, "Icircumflex"),
            (0354, "Idieresis"),
            (0355, "Igrave"),
            (0112, "J"),
            (0113, "K"),
            (0114, "L"),
            (0115, "M"),
            (0116, "N"),
            (0204, "Ntilde"),
            (0117, "O"),
            (0316, "OE"),
            (0356, "Oacute"),
            (0357, "Ocircumflex"),
            (0205, "Odieresis"),
            (0361, "Ograve"),
            (0257, "Oslash"),
            (0315, "Otilde"),
            (0120, "P"),
            (0121, "Q"),
            (0122, "R"),
            (0123, "S"),
            (0124, "T"),
            (0125, "U"),
            (0362, "Uacute"),
            (0363, "Ucircumflex"),
            (0206, "Udieresis"),
            (0364, "Ugrave"),
            (0126, "V"),
            (0127, "W"),
            (0130, "X"),
            (0131, "Y"),
            (0331, "Ydieresis"),
            (0132, "Z"),
            (0141, "a"),
            (0207, "aacute"),
            (0211, "acircumflex"),
            (0253, "acute"),
            (0212, "adieresis"),
            (0276, "ae"),
            (0210, "agrave"),
            (046, "ampersand"),
            (0214, "aring"),
            (0136, "asciicircum"),
            (0176, "asciitilde"),
            (052, "asterisk"),
            (0100, "at"),
            (0213, "atilde"),
            (0142, "b"),
            (0134, "backslash"),
            (0174, "bar"),
            (0173, "braceleft"),
            (0175, "braceright"),
            (0133, "bracketleft"),
            (0135, "bracketright"),
            (0371, "breve"),
            (0245, "bullet"),
            (0143, "c"),
            (0377, "caron"),
            (0215, "ccedilla"),
            (0374, "cedilla"),
            (0242, "cent"),
            (0366, "circumflex"),
            (072, "colon"),
            (054, "comma"),
            (0251, "copyright"),
            (0333, "currency"),
            (0144, "d"),
            (0240, "dagger"),
            (0340, "daggerdbl"),
            (0241, "degree"),
            (0254, "dieresis"),
            (0326, "divide"),
            (044, "dollar"),
            (0372, "dotaccent"),
            (0365, "dotlessi"),
            (0145, "e"),
            (0216, "eacute"),
            (0220, "ecircumflex"),
            (0221, "edieresis"),
            (0217, "egrave"),
            (070, "eight"),
            (0311, "ellipsis"),
            (0321, "emdash"),
            (0320, "endash"),
            (075, "equal"),
            (041, "exclam"),
            (0301, "exclamdown"),
            (0146, "f"),
            (0336, "fi"),
            (065, "five"),
            (0337, "fl"),
            (0304, "florin"),
            (064, "four"),
            (0332, "fraction"),
            (0147, "g"),
            (0247, "germandbls"),
            (0140, "grave"),
            (076, "greater"),
            (0307, "guillemotleft"),
            (0310, "guillemotright"),
            (0334, "guilsinglleft"),
            (0335, "guilsinglright"),
            (0150, "h"),
            (0375, "hungarumlaut"),
            (055, "hyphen"),
            (0151, "i"),
            (0222, "iacute"),
            (0224, "icircumflex"),
            (0225, "idieresis"),
            (0223, "igrave"),
            (0152, "j"),
            (0153, "k"),
            (0154, "l"),
            (074, "less"),
            (0302, "logicalnot"),
            (0155, "m"),
            (0370, "macron"),
            (0265, "mu"),
            (0156, "n"),
            (071, "nine"),
            (0226, "ntilde"),
            (043, "numbersign"),
            (0157, "o"),
            (0227, "oacute"),
            (0231, "ocircumflex"),
            (0232, "odieresis"),
            (0317, "oe"),
            (0376, "ogonek"),
            (0230, "ograve"),
            (061, "one"),
            (0273, "ordfeminine"),
            (0274, "ordmasculine"),
            (0277, "oslash"),
            (0233, "otilde"),
            (0160, "p"),
            (0246, "paragraph"),
            (050, "parenleft"),
            (051, "parenright"),
            (045, "percent"),
            (056, "period"),
            (0341, "periodcentered"),
            (0344, "perthousand"),
            (053, "plus"),
            (0261, "plusminus"),
            (0161, "q"),
            (077, "question"),
            (0300, "questiondown"),
            (042, "quotedbl"),
            (0343, "quotedblbase"),
            (0322, "quotedblleft"),
            (0323, "quotedblright"),
            (0324, "quoteleft"),
            (0325, "quoteright"),
            (0342, "quotesinglbase"),
            (047, "quotesingle"),
            (0162, "r"),
            (0250, "registered"),
            (0373, "ring"),
            (0163, "s"),
            (0244, "section"),
            (073, "semicolon"),
            (067, "seven"),
            (066, "six"),
            (057, "slash"),
            (040, "space"),
            (0243, "sterling"),
            (0164, "t"),
            (063, "three"),
            (0367, "tilde"),
            (0252, "trademark"),
            (062, "two"),
            (0165, "u"),
            (0234, "uacute"),
            (0236, "ucircumflex"),
            (0237, "udieresis"),
            (0235, "ugrave"),
            (0137, "underscore"),
            (0166, "v"),
            (0167, "w"),
            (0170, "x"),
            (0171, "y"),
            (0330, "ydieresis"),
            (0264, "yen"),
            (0172, "z"),
            (060, "zero"),
            // adding an additional mapping as defined in Appendix D of the pdf spec
            (0312, "space")
        };

        public static MacRomanEncoding Instance { get; } = new MacRomanEncoding();

        public override string EncodingName => "MacRomanEncoding";

        protected MacRomanEncoding()
        {
            foreach (var valueTuple in EncodingTable)
            {
                Add(OctalHelpers.FromOctalInt(valueTuple.Item1), valueTuple.Item2);
            }
        }
    }
}