-module(cp1250).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/cp1250.gleam").
-export([decode/1]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

?MODULEDOC(
    " This library decodes cp1250 binary data into a native string\n"
    " Based on https://github.com/richard-viney/iso_8859\n"
).

-file("src/cp1250.gleam", 15).
-spec bits_to_codepoints(bitstring(), bitstring(), list(integer())) -> list(integer()).
bits_to_codepoints(Bytes, Lut, Acc) ->
    case Bytes of
        <<Next_byte, Rest/binary>> ->
            Codepoint@1 = case gleam_stdlib:bit_array_slice(
                Lut,
                Next_byte * 2,
                2
            ) of
                {ok, <<Codepoint:16>>} -> Codepoint;
                _assert_fail ->
                    erlang:error(#{gleam_error => let_assert,
                                message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                                file => <<?FILEPATH/utf8>>,
                                module => <<"cp1250"/utf8>>,
                                function => <<"bits_to_codepoints"/utf8>>,
                                line => 22,
                                value => _assert_fail,
                                start => 539,
                                'end' => 611,
                                pattern_start => 550,
                                pattern_end => 570})
            end,
            Native_codepoint@1 = case gleam@string:utf_codepoint(Codepoint@1) of
                {ok, Native_codepoint} -> Native_codepoint;
                _assert_fail@1 ->
                    erlang:error(#{gleam_error => let_assert,
                                message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                                file => <<?FILEPATH/utf8>>,
                                module => <<"cp1250"/utf8>>,
                                function => <<"bits_to_codepoints"/utf8>>,
                                line => 23,
                                value => _assert_fail@1,
                                start => 618,
                                'end' => 683,
                                pattern_start => 629,
                                pattern_end => 649})
            end,
            bits_to_codepoints(Rest, Lut, [Native_codepoint@1 | Acc]);

        _ ->
            Acc
    end.

-file("src/cp1250.gleam", 9).
?DOC(" Convert cp1250 binary data to a native string\n").
-spec decode(bitstring()) -> binary().
decode(Bytes) ->
    _pipe = bits_to_codepoints(
        Bytes,
        <<16#0000:16,
            16#0001:16,
            16#0002:16,
            16#0003:16,
            16#0004:16,
            16#0005:16,
            16#0006:16,
            16#0007:16,
            16#0008:16,
            16#0009:16,
            16#000A:16,
            16#000B:16,
            16#000C:16,
            16#000D:16,
            16#000E:16,
            16#000F:16,
            16#0010:16,
            16#0011:16,
            16#0012:16,
            16#0013:16,
            16#0014:16,
            16#0015:16,
            16#0016:16,
            16#0017:16,
            16#0018:16,
            16#0019:16,
            16#001A:16,
            16#001B:16,
            16#001C:16,
            16#001D:16,
            16#001E:16,
            16#001F:16,
            16#0020:16,
            16#0021:16,
            16#0022:16,
            16#0023:16,
            16#0024:16,
            16#0025:16,
            16#0026:16,
            16#0027:16,
            16#0028:16,
            16#0029:16,
            16#002A:16,
            16#002B:16,
            16#002C:16,
            16#002D:16,
            16#002E:16,
            16#002F:16,
            16#0030:16,
            16#0031:16,
            16#0032:16,
            16#0033:16,
            16#0034:16,
            16#0035:16,
            16#0036:16,
            16#0037:16,
            16#0038:16,
            16#0039:16,
            16#003A:16,
            16#003B:16,
            16#003C:16,
            16#003D:16,
            16#003E:16,
            16#003F:16,
            16#0040:16,
            16#0041:16,
            16#0042:16,
            16#0043:16,
            16#0044:16,
            16#0045:16,
            16#0046:16,
            16#0047:16,
            16#0048:16,
            16#0049:16,
            16#004A:16,
            16#004B:16,
            16#004C:16,
            16#004D:16,
            16#004E:16,
            16#004F:16,
            16#0050:16,
            16#0051:16,
            16#0052:16,
            16#0053:16,
            16#0054:16,
            16#0055:16,
            16#0056:16,
            16#0057:16,
            16#0058:16,
            16#0059:16,
            16#005A:16,
            16#005B:16,
            16#005C:16,
            16#005D:16,
            16#005E:16,
            16#005F:16,
            16#0060:16,
            16#0061:16,
            16#0062:16,
            16#0063:16,
            16#0064:16,
            16#0065:16,
            16#0066:16,
            16#0067:16,
            16#0068:16,
            16#0069:16,
            16#006A:16,
            16#006B:16,
            16#006C:16,
            16#006D:16,
            16#006E:16,
            16#006F:16,
            16#0070:16,
            16#0071:16,
            16#0072:16,
            16#0073:16,
            16#0074:16,
            16#0075:16,
            16#0076:16,
            16#0077:16,
            16#0078:16,
            16#0079:16,
            16#007A:16,
            16#007B:16,
            16#007C:16,
            16#007D:16,
            16#007E:16,
            16#007F:16,
            16#20AC:16,
            16#0081:16,
            16#201A:16,
            16#0083:16,
            16#201E:16,
            16#2026:16,
            16#2020:16,
            16#2021:16,
            16#0088:16,
            16#2030:16,
            16#0160:16,
            16#2039:16,
            16#015A:16,
            16#0164:16,
            16#017D:16,
            16#0179:16,
            16#0090:16,
            16#2018:16,
            16#2019:16,
            16#201C:16,
            16#201D:16,
            16#2022:16,
            16#2013:16,
            16#2014:16,
            16#0098:16,
            16#2122:16,
            16#0161:16,
            16#203A:16,
            16#015B:16,
            16#0165:16,
            16#017E:16,
            16#017A:16,
            16#00A0:16,
            16#02C7:16,
            16#02D8:16,
            16#0141:16,
            16#00A4:16,
            16#0104:16,
            16#00A6:16,
            16#00A7:16,
            16#00A8:16,
            16#00A9:16,
            16#015E:16,
            16#00AB:16,
            16#00AC:16,
            16#00AD:16,
            16#00AE:16,
            16#017B:16,
            16#00B0:16,
            16#00B1:16,
            16#02DB:16,
            16#0142:16,
            16#00B4:16,
            16#00B5:16,
            16#00B6:16,
            16#00B7:16,
            16#00B8:16,
            16#0105:16,
            16#015F:16,
            16#00BB:16,
            16#013D:16,
            16#02DD:16,
            16#013E:16,
            16#017C:16,
            16#0154:16,
            16#00C1:16,
            16#00C2:16,
            16#0102:16,
            16#00C4:16,
            16#0139:16,
            16#0106:16,
            16#00C7:16,
            16#010C:16,
            16#00C9:16,
            16#0118:16,
            16#00CB:16,
            16#011A:16,
            16#00CD:16,
            16#00CE:16,
            16#010E:16,
            16#0110:16,
            16#0143:16,
            16#0147:16,
            16#00D3:16,
            16#00D4:16,
            16#0150:16,
            16#00D6:16,
            16#00D7:16,
            16#0158:16,
            16#016E:16,
            16#00DA:16,
            16#0170:16,
            16#00DC:16,
            16#00DD:16,
            16#0162:16,
            16#00DF:16,
            16#0155:16,
            16#00E1:16,
            16#00E2:16,
            16#0103:16,
            16#00E4:16,
            16#013A:16,
            16#0107:16,
            16#00E7:16,
            16#010D:16,
            16#00E9:16,
            16#0119:16,
            16#00EB:16,
            16#011B:16,
            16#00ED:16,
            16#00EE:16,
            16#010F:16,
            16#0111:16,
            16#0144:16,
            16#0148:16,
            16#00F3:16,
            16#00F4:16,
            16#0151:16,
            16#00F6:16,
            16#00F7:16,
            16#0159:16,
            16#016F:16,
            16#00FA:16,
            16#0171:16,
            16#00FC:16,
            16#00FD:16,
            16#0163:16,
            16#02D9:16>>,
        []
    ),
    _pipe@1 = lists:reverse(_pipe),
    gleam_stdlib:utf_codepoint_list_to_string(_pipe@1).