%% Copyright 2026 Parsa Yazdi
%% Distributed under LPPL 1.3c or later; see LICENSE and NOTICE.
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{luanumbers}[2026/06/10 v0.5.0 Document-wide decimal adjustment from one preamble setup]

\RequirePackage{iftex}
\ifluatex\else
  \PackageError{luanumbers}{This package requires LuaLaTeX}
    {Compile the document with lualatex instead of pdflatex or xelatex.}
\fi

\RequirePackage{luatexbase}

\directlua{luanumbers = require("luanumbers")}

\newcommand\LuaNumbersSetup[1]{%
  \directlua{luanumbers.configure("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersOn{\directlua{luanumbers.enable()}}
\newcommand\LuaNumbersOff{\directlua{luanumbers.disable()}}

\newcommand\LuaNumbersProtectEnvironment[1]{%
  \directlua{luanumbers.protect_environment("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersUnprotectEnvironment[1]{%
  \directlua{luanumbers.unprotect_environment("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersProtectEnvironments[1]{%
  \directlua{luanumbers.protect_environments("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersUnprotectEnvironments[1]{%
  \directlua{luanumbers.unprotect_environments("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersProtectCommand[1]{%
  \directlua{luanumbers.protect_command("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersUnprotectCommand[1]{%
  \directlua{luanumbers.unprotect_command("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersProtectCommands[1]{%
  \directlua{luanumbers.protect_commands("\luaescapestring{#1}")}%
}

\newcommand\LuaNumbersUnprotectCommands[1]{%
  \directlua{luanumbers.unprotect_commands("\luaescapestring{#1}")}%
}

\newcommand\LuaNumber[1]{%
  \directlua{tex.sprint(luanumbers.format("\luaescapestring{#1}"))}%
}

% The Lua input callback recognizes this environment before TeX executes it.
\newenvironment{luanumbersexclude}{}{}

\AtBeginDocument{\directlua{luanumbers.register(); luanumbers.enable()}}

\endinput