-module(hyphenation@internal@codegen).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([main/0]).
-export_type([license/0, content/0]).

-type license() :: mit | lppl | gpl | other_free | unlicense.

-type content() :: patterns | exceptions.

-spec gen(binary(), content()) -> binary().
gen(Raw_str, C) ->
    Constant = case C of
        patterns ->
            <<"patterns"/utf8>>;

        exceptions ->
            <<"exceptions"/utf8>>
    end,
    Transform = fun(Pattern) -> case C of
            patterns ->
                <<<<"\""/utf8, Pattern/binary>>/binary, "\","/utf8>>;

            exceptions ->
                <<<<<<<<<<"#(\""/utf8,
                                    (gleam@string:replace(
                                        Pattern,
                                        <<"-"/utf8>>,
                                        <<""/utf8>>
                                    ))/binary>>/binary,
                                "\","/utf8>>/binary,
                            "\""/utf8>>/binary,
                        Pattern/binary>>/binary,
                    "\"),"/utf8>>
        end end,
    Content = begin
        _pipe = Raw_str,
        _pipe@1 = gleam@string:split(_pipe, <<"\n"/utf8>>),
        _pipe@2 = gleam@list:filter(_pipe@1, fun(X) -> X /= <<""/utf8>> end),
        _pipe@3 = gleam@list:map(_pipe@2, Transform),
        gleam@string:join(_pipe@3, <<"\n"/utf8>>)
    end,
    gleam@string:join(
        [<<<<"pub const "/utf8, Constant/binary>>/binary, " = ["/utf8>>,
            Content,
            <<"]"/utf8>>],
        <<"\n"/utf8>>
    ).

-spec disclaimer(hyphenation@language:language()) -> binary().
disclaimer(L) ->
    <<"//  This file was generated from ./src/hyphenation/internal/codegen.gleam
//  Data is sourced from:
//  Patterns and Exceptions - https://ctan.org/tex-archive/language/hyph-utf8/tex/generic/hyph-utf8/patterns/txt
//  License Info - https://ctan.org/tex-archive/language/hyph-utf8/tex/generic/hyph-utf8/patterns/tex"/utf8>>.

-spec copyright(hyphenation@language:language()) -> binary().
copyright(L) ->
    case L of
        english_us ->
            <<"//  Copyright (C) 1990, 2004, 2005 Gerard D.C. Kuiken"/utf8>>
    end.

-spec license(hyphenation@language:language()) -> license().
license(L) ->
    case L of
        english_us ->
            other_free
    end.

-spec license_text(license()) -> binary().
license_text(L) ->
    case L of
        mit ->
            <<"//  License: MIT (https://opensource.org/licenses/MIT)
//  Permission is hereby granted, free of charge, to any person obtaining
//  a copy of this software and associated documentation files (the
//  \"Software\"), to deal in the Software without restriction, including
//  without limitation the rights to use, copy, modify, merge, publish,
//  distribute, sublicense, and/or sell copies of the Software, and to
//  permit persons to whom the Software is furnished to do so, subject to
//  the following conditions:
//
//  The above copyright notice and this permission notice shall be
//  included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
//  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//  SOFTWARE."/utf8>>;

        other_free ->
            <<"//  Copying and distribution of this file, with or without modification,
//  are permitted in any medium without royalty provided the copyright
//  notice and this notice are preserved"/utf8>>;

        _ ->
            <<""/utf8>>
    end.

-spec filepaths(hyphenation@language:language()) -> {binary(),
    binary(),
    binary()}.
filepaths(L) ->
    Abbrev = erlang:element(2, hyphenation@internal@metadata:metadata(L)),
    Patterns = <<<<"tex-hyphen/hyph-"/utf8, Abbrev/binary>>/binary,
        ".pat.txt"/utf8>>,
    Exceptions = <<<<"tex-hyphen/hyph-"/utf8, Abbrev/binary>>/binary,
        ".hyp.txt"/utf8>>,
    Out = <<<<"src/hyphenation/internal/data/"/utf8,
            (gleam@string:replace(Abbrev, <<"-"/utf8>>, <<"_"/utf8>>))/binary>>/binary,
        ".gleam"/utf8>>,
    {Patterns, Exceptions, Out}.

-spec main() -> {ok,
        {ok, {ok, nil} | {error, simplifile:file_error()}} |
            {error, simplifile:file_error()}} |
    {error, simplifile:file_error()}.
main() ->
    gleam@io:print(<<"from internal/codegen"/utf8>>),
    Lang = english_us,
    {Patterns_path, Exceptions_path, Out_path} = filepaths(Lang),
    gleam@result:map(
        simplifile:read(Patterns_path),
        fun(Patterns_str) ->
            gleam@result:map(
                simplifile:read(Exceptions_path),
                fun(Exceptions_str) ->
                    Patterns = gen(Patterns_str, patterns),
                    Exceptions = gen(Exceptions_str, exceptions),
                    Res = begin
                        _pipe = [disclaimer(Lang),
                            copyright(Lang),
                            license_text(license(Lang)),
                            Patterns,
                            Exceptions],
                        gleam@string:join(_pipe, <<"\n\n"/utf8>>)
                    end,
                    _assert_subject = simplifile:write(Out_path, Res),
                    {ok, nil} = case _assert_subject of
                        {ok, nil} -> _assert_subject;
                        _assert_fail ->
                            erlang:error(#{gleam_error => let_assert,
                                        message => <<"Assertion pattern match failed"/utf8>>,
                                        value => _assert_fail,
                                        module => <<"hyphenation/internal/codegen"/utf8>>,
                                        function => <<"main"/utf8>>,
                                        line => 36})
                    end
                end
            )
        end
    ).