\ProvidesPackage{sourdough}
\usepackage{blindtext}
\usepackage{graphicx}
\usepackage{pgfplots}
\usepackage{booktabs}
\usepackage{longtable}
\usepackage{chemformula}
\usepackage{chemfig}
\usepackage{makecell}
\usepackage[mode=match, reset-text-family=false]{siunitx}
\usepackage{fontspec}
\usepackage{calc}
\usepackage[font={sffamily, sbseries}]{quoting}
\usepackage{microtype}

% style=nextline breaks on make4ht
\ifdefined\HCode\else
\usepackage{enumitem}
\setlist[description]{style=nextline, leftmargin=0cm}
\fi

\DeclareNewTOC[
  type=flowchart,%
  types=flowcharts,%  ,
  float,
  floattype=4,%
  counterwithin=chapter,
  name=Flowchart,%
  listname = {List of Flowcharts}
]{loc}
\setuptoc{loc}{chapteratlist}
\DeclareTOCStyleEntry[numwidth=3em]{tocline}{figure}
\DeclareTOCStyleEntry[numwidth=3em]{tocline}{flowchart}
\DeclareTOCStyleEntry[numwidth=3em]{tocline}{table}

% Common abbreviations
\input{abbreviations.tex}

% Consistent pH values
\newcommand{\pHvalue}[1]{pH~\SI{#1}{}}

% For tables
\renewcommand\theadfont{\bfseries}

\input{colors.tex}
% Define flowcharts macros independently so we can build them as png files
% for the website or something. This is supported in the makefile
\input{figures/flowcharts_tikz.tex}
% Fonts
\defaultfontfeatures{Scale=MatchLowercase, Ligatures=TeX}
% Define Semi-bold
\DeclareRobustCommand\sbseries{\fontseries{sb}\selectfont}
% Fonts for accessibility
\ifdefined\isaccessible
    \usepackage[mathrm=sym]{unicode-math}
    \setmathfont{Fira Math}[Scale=MatchLowercase]
    \setmainfont{Open Sans}[Scale=MatchLowercase]
\else
    \setmainfont{TeX Gyre Pagella}[Scale=1.0] % Or Palatino Linotype, etc.
    % TODO not available on github CI
    % \setmonofont{Andale Mono}[Scale=MatchLowercase]
\fi
% Opens Sans in both case..
\setsansfont{Open Sans}[
  Scale=MatchLowercase,
  FontFace = {sb}{it}{* Semibold Italic},
  FontFace = {sb}{n}{*-semibold}]

% Kerning in footnotes
\usepackage{fnpct}

% References
\usepackage[backend=biber]{biblatex}
\addbibresource{references.bib}

% Clickable links in the table of contents
\usepackage{hyperref}
\usepackage{bookmark}
\hypersetup{%
    linktoc=all,
    colorlinks = true,
    linkcolor = hlorange,
    urlcolor  = codeblue,
    citecolor = hlocre,
    breaklinks = true,
    pdfinfo={%
        Title={The Sourdough Framework},
        Author={Hendrik Kleinw\"achter},
        Subject={The sourdough bread baking bible},
        Keywords={Sourdough, dough, bread, wheat, baking, bake, home-baking,
            yeast, rye, crumb, debug, gluten, dough strength, crust, DIY,
            framework, https://the-sourdough-framework.com,
            https://www.the-bread-code.io/,
            https://github.com/hendricius/the-sourdough-framework,
            open-source, CC-BY-SA}
    }
}


% Folders where to search for images
\graphicspath{
  {images/}
  {troubleshooting/}
  {sourdough-starter/}
  {troubleshooting/crumb-structures/}
  {history/}
  {images/external/}
  {baking/}
  {wheat-sourdough/}
  {wheat-sourdough/shaping/}
  {non-wheat-sourdough/}
  {mix-ins/}
}

% Caption and figure size below images
\usepackage{caption}
\captionsetup[figure]{font=footnotesize}

\DeclareSIUnit\degF{\text{°}F}

%-----------------------------------------------------------------------------
%    KAO CHAPTER HEADING STYLES
%-----------------------------------------------------------------------------

\newlength{\hscale}
\newlength{\vscale}
\newlength{\mtocshift}

% By default, the scales are set to work for a4paper
\setlength{\hscale}{1mm}
\setlength{\vscale}{1mm}

\newif\ifwidelayout%
\def\IfWideLayout{%
    \ifwidelayout%
        \expandafter\@firstoftwo%
    \else%
        \expandafter\@secondoftwo%
    \fi%
}

% Command to easily switch between chapter styles
\DeclareDocumentCommand{\setchapterstyle}{m}{%
    \ifthenelse{\equal{plain}{#1}}{\chapterstyleplain}{}
    \ifthenelse{\equal{bar}{#1}}{\chapterstylebar}{}
    \ifthenelse{\equal{lines}{#1}}{\chapterstylelines}{}
    \ifthenelse{\equal{kao}{#1}}{\chapterstylekao}{}
}

% The default definition in KOMA script
\DeclareDocumentCommand{\chapterstyleplain}{}{%
    \renewcommand{\chapterlinesformat}[3]{%
        \@hangfrom{##2}{##3}}
    \renewcommand*{\chapterformat}{%
        \mbox{\chapappifchapterprefix{\nobreakspace}\thechapter%
        \autodot\IfUsePrefixLine{}{\enskip}}}
    \RedeclareSectionCommand[beforeskip=0cm,afterskip=10\vscale]{chapter}
    \setlength{\mtocshift}{-1\vscale}
}

% Gray bar
\DeclareDocumentCommand{\chapterstylebar}{}{%
    \renewcommand*{\chapterformat}{%
        \mbox{\chapappifchapterprefix{\nobreakspace}\thechapter%
        \autodot\IfUsePrefixLine{}{\enskip}}%
    }
    \renewcommand{\chapterlinesformat}[3]{%
        \begin{tikzpicture}[remember picture, overlay]
            \node[
                anchor=south west,
                xshift=\dimexpr - \hoffset - \oddsidemargin - 1in -1mm,%-30\hscale,
                yshift=4.3mm,
                rectangle,
                fill=gray!20!white,
                fill opacity=0.8,
                inner ysep=5\vscale,
                inner xsep=\dimexpr \hoffset + \oddsidemargin + 1in,%30\hscale,
                text opacity=1,
                text width=\paperwidth-40\hscale,
            ]{\@hangfrom{##2}{##3}};
        \end{tikzpicture}
    }
    \RedeclareSectionCommand[beforeskip=-55\vscale,afterskip=6\vscale]{chapter}
    \setlength{\mtocshift}{-1\vscale}
}

% Lines
\renewcommand{\hrulefill}[1][0.4pt]{%
    \leavevmode\leaders\hrule height #1\hfill\kern\z@%
}

\DeclareDocumentCommand{\chapterstylelines}{}{%
    \renewcommand*{\chapterformat}{%
        \chapappifchapterprefix{\nobreakspace}\scalebox{3.5}{\thechapter\autodot}%
    }%
    \renewcommand\chapterlinesformat[3]{%
        %\vspace*{-1cm}%
        \leavevmode%
        \makebox[0pt][l]{%
        \makebox[\textwidth][l]{\hrulefill[1pt]##2}%\hfill%\par%\bigskip
        \makebox[\marginparsep][l]{}%
        \makebox[\marginparwidth][l]{}%
        }\\
        %\vspace{.5cm}
        \makebox[0pt][l]{%
        \makebox[\textwidth][l]{##3}%
        \makebox[\marginparsep][l]{}%
        \makebox[\marginparwidth][l]{}%
        }\\
        \makebox[0pt][l]{%
        \makebox[\textwidth+\marginparsep+\marginparwidth][l]{\hrulefill[1.1pt]}%
    }%
    \RedeclareSectionCommand[beforeskip=0cm,afterskip=10\vscale]{chapter}
    \setlength{\mtocshift}{-1\vscale}%
}
}
% The Kao style
\DeclareDocumentCommand{\chapterstylekao}{}{%
    \IfWideLayout{%
        \renewcommand*{\chapterformat}{%
            \mbox{\chapappifchapterprefix{\nobreakspace}\scalebox{2.85}{\thechapter\autodot}}%
        }%
        \renewcommand\chapterlinesformat[3]{%
            \vspace{3.5\vscale}%
            \if@twoside%
                \Ifthispageodd{%
                    \smash{\makebox[0pt][l]{%
                        \parbox[b]{\textwidth - 6.2\hscale}{\flushright{##3}}%
                        \makebox[6.2\hscale][c]{\rule[-2\vscale]{1pt}{27.4\vscale+\f@size mm}}%
                        \parbox[b]{\marginparwidth}{##2}%
                    }}%
                }{
                    \smash{\makebox[\textwidth + 6.2\hscale][r]{%
                        \parbox[b]{47.7\hscale + 6.2\hscale}{\flushright{##2}}%
                        \makebox[6.2\hscale][c]{\rule[-2\vscale]{1pt}{27.4\vscale+\f@size mm}}%
                        \parbox[b]{\textwidth}{\flushleft{##3}}%
                    }}%
                }
            \else%
                \smash{\makebox[0pt][l]{%
                    \parbox[b]{\textwidth - 6.2\hscale}{\flushright{##3}}%
                    \makebox[6.2\hscale][c]{\rule[-2\vscale]{1pt}{27.4\vscale+\f@size mm}}%
                    \parbox[b]{\marginparwidth}{##2}%
                }}%
            \fi%
        }%
    }{%
        \renewcommand*{\chapterformat}{%
            \mbox{\chapappifchapterprefix{\nobreakspace}\scalebox{2.85}{\thechapter\autodot}}%
        }%
        \renewcommand\chapterlinesformat[3]{%
            \vspace{3.5\vscale}%
            \if@twoside%
                \Ifthispageodd{%
                    \smash{\makebox[0pt][l]{%
                        \parbox[b]{\textwidth}{\flushright{##3}}%
                        \makebox[\marginparsep][c]{\rule[-2\vscale]{1pt}{27.4\vscale+\f@size mm}}%
                        \parbox[b]{\marginparwidth}{##2}%
                    }}%
                }{
                    \smash{\makebox[\textwidth][r]{%
                        \parbox[b]{\marginparwidth}{\flushright{##2}}%
                        \makebox[\marginparsep][c]{\rule[-2\vscale]{1pt}{27.4\vscale+\f@size mm}}%
                        \parbox[b]{\textwidth}{\flushleft{##3}}%
                    }}%
                }
            \else%
                \smash{\makebox[0pt][l]{%
                    \parbox[b]{\textwidth}{\flushright{##3}}%
                    \makebox[\marginparsep][c]{\rule[-2\vscale]{1pt}{27.4\vscale+\f@size mm}}%
                    \parbox[b]{\marginparwidth}{##2}%
                }}%
            \fi%
        }%
    }%
    \RedeclareSectionCommand[beforeskip=0cm,afterskip=10\vscale]{chapter}%
    \setlength{\mtocshift}{-3.5\vscale}%
}

% Takes as input the image path and optionally the "beforeskip"
\DeclareDocumentCommand{\setchapterimage}{O{55\vscale} m}{%
    \setchapterpreamble[o]{%
        \vspace*{-27\vscale}\hspace*{\dimexpr - \hoffset - \oddsidemargin - 1in}%
        \includegraphics[width=\paperwidth,height=#1+27\vscale,keepaspectratio=false]{#2}%
    }%
    \chapterstylebar%
    % beforeskip=-(figure_height-top_margin)
    \RedeclareSectionCommand[beforeskip=-#1, afterskip=6\vscale]{chapter}%
    \setlength{\mtocshift}{0cm}%
}

% By default start with the lines style
\setchapterstyle{lines}