\ProvidesPackage{luavlna}[2023-06-21 luavlna]

\ifdefined\directlua\else
\PackageWarning{luavlna}{Luavlna needs LuaLaTeX, aborting}
\endinput
\fi

\RequirePackage{kvoptions}

\def\nosingledefaults{\relax}
\input luavlna 

% we need to redefine the setting functions to use directly the language numbers
% in order to support polyglossia
\def\singlechars#1#2{%
  \ifcsname l@#1\endcsname%
    \expandafter\directlua\expandafter{set_singlechars("\the\csname l@#1\endcsname","#2")}%
  \fi%
}

% Define compound initials
\def\compoundinitials#1#2{%
  \ifcsname l@#1\endcsname%
    \expandafter\directlua\expandafter{set_compounds("\the\csname l@#1\endcsname","#2")}%
  \fi%
}


\def\enablesplithyphens#1{%
  \ifcsname l@#1\endcsname%
  \typeout{set lang #1, \the\csname l@#1\endcsname}%
    \directlua{enable_split_hyphens("\the\csname l@#1\endcsname")}%
  \fi%
}

\def\disablesplithyphens#1{%
  \ifcsname l@#1\endcsname%
    \directlua{disable_split_hyphens("\the\csname l@#1\endcsname")}%
  \fi%
}

\DeclareVoidOption{noinitials}{\noinitials}
\DeclareVoidOption{nounits}{\nounits}
\DeclareVoidOption{nopredegrees}{\nopredegrees}
\DeclareVoidOption{nosufdegrees}{\nosufdegrees}
\DeclareVoidOption{noprocess}{\preventsingleoff}
\DeclareVoidOption{debug}{\preventsingledebugon}
\DeclareBoolOption[true]{defaults}
\ProcessKeyvalOptions*

\ifluavlna@defaults
\AtBeginDocument{%
  \singlechars{czech}{AaIiVvOoUuSsZzKk}
  \singlechars{slovak}{AaIiVvOoUuSsZzKk}
  \compoundinitials{czech}{Ch,CH}
  \enablesplithyphens{czech}
  \enablesplithyphens{slovak}
}
\fi
\endinput