%% ****************************************************************************************************
%%   Copyright 2024 by Mingyu Hsia <xiamyphys@gmail.com>                                              *
%%                                                                                                    *
%%   This work may be distributed and/or modified under          *           *****       *    *       *
%%   the conditions of the LaTeX Project Public License          *      ** *   *    ***   *  *        *
%%                                                               *     *  **   *   *   *   **         *
%%       http://www.latex-project.org/lppl.txt                   *     *   *   *   *****   **         *
%%                                                               *     *  **   *   *      *  *        *
%%   either version 1.3c of this license or any later            *****  ** *   *    ***  *    *       *
%%   version.                                                                                         *
%%                                                                                                    *
%%   This work has the LPPL maintenance status `maintained'.                                          *
%%                                                                                                    *
%%   The Current Maintainer of this work is Mingyu Hsia.                                              *
%%                                                                                                    *
%%   This work consists of the files thmlist.sty,                                                     *
%%                               and README.md.                                                       *
%%   available at https://github.com/xiamyphys/thmlist                                                *
%% ****************************************************************************************************
\NeedsTeXFormat{LaTeX2e}[2020/10/01]
\ProvidesPackage{thmlist}[2024/03/26/ v0.1b Package for creating amsthm environments quickly.]

\DeclareOptionX{amscounter}{\gdef\@amscounter{#1}}
\DeclareOptionX{mdfcounter}{\gdef\@mdfcounter{#1}}
\ExecuteOptionsX{amscounter=section}
\ExecuteOptionsX{mdfcounter=section}

\DeclareOptionX{amsstyle}{\gdef\@amsstyle{#1}}
\DeclareOptionX{mdfstyle}{\gdef\@mdfstyle{#1}}
\ExecuteOptionsX{amsstyle=definition}
\ExecuteOptionsX{mdfstyle=mdempty}

\DeclareOptionX{thmfont}{\gdef\@thmfont{#1}}
\ExecuteOptionsX{thmfont=\sffamily}

\DeclareOptionX*{\PackageWarning{thmlist}{`\CurrentOption' ignored}}
\ProcessOptionsX\relax

\RequirePackage{amsthm,mdframed,listofitems,pgffor}
\def\th@definition{\thm@notefont{}\normalfont}
\theoremstyle{\@amsstyle}\mdfdefinestyle{mdempty}{}

\setsepchar{;/,}\ignoreemptyitems
\def\mdflist#1{\gdef\@mdflist{#1}}
\def\amslist#1{\gdef\@amslist{#1}}
\AtBeginDocument{%
  \ifcsname @mdflist\endcsname
    \readlist*\mdflist{\@mdflist}
      \def\@mdfnum{\listlen\mdflist[1]}
      \foreach \x in {1,...,\@mdfnum}{%
        \expandafter\xdef\csname\x\x\endcsname{\noexpand
          \newmdtheoremenv[linecolor=\mdflist[3,\x],style=\@mdfstyle]{\mdflist[1,\x]}
            {\noexpand\color{\mdflist[3,\x]}\noexpand\@thmfont{\mdflist[2,\x]}}[\@mdfcounter]}\csname\x\x\endcsname}
  \fi
  \ifcsname @amslist\endcsname
    \readlist*\amslist{\@amslist}
    \def\@amsnum{\listlen\amslist[1]}
      \foreach \x in {1,...,\@amsnum}{%
        \expandafter\xdef\csname\x\x\endcsname{\noexpand
          \newtheorem{\amslist[1,\x]}
            {\noexpand\color{\amslist[3,\x]}\noexpand\@thmfont{\amslist[2,\x]}}[\@amscounter]}\csname\x\x\endcsname}
  \fi
}