% Anecdote Class
%
% Maintained by:
% Gambhiro Bhikkhu <gambhiro@ratanagiri.org.uk>
%
% LPPL LaTeX Pubic Project Licence
%

% ==============
% Identification
% ==============

\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{anecdote}[2013/08/19 v0.5 A document class with a contemporary style.]

% ========================
% Preliminary Declarations
% ========================

% =======
% Options
% =======

\RequirePackage{pgfopts}
\RequirePackage{calc}

\pgfkeys{
  /ARU/.cd,
  pagePreset/.default=largepage,% "largepage": 6x9in, "smallpage": 5.25x8in
  pagePreset/.store in=\ARU@pagePreset,
  babelLanguage/.default=british,
  babelLanguage/.store in=\ARU@babelLanguage,
}

% Pass all unknown options to memoir
\DeclareOption*{%
  \PassOptionsToClass{\CurrentOption}{memoir}
}

\ProcessPgfOptions{/ARU}
\ProcessOptions\relax

% ======================
% All Other Declarations
% ======================

\LoadClass[11pt,twoside]{memoir}

\RequirePackage{book-core-first}

% === Page geometry and layout ===

% Symbols used:
% P = page proportion (h/w)
% T = textblock proportion (d/m)
% w = paper width
% h = paper height
% m = text width
% d = text height

\ifthenelse{\equal{\ARU@pagePreset}{largepage}}{

  % Large page size
  %
  % 6in x 9in page
  % P = 1.5 (fifth)
  % T = 1.732 (sqrt(3)), Hexagon

  % For 11pt / 16pt font size, Gentium font, 5pt parskip, no parindent.
  % TODO: elaborate on reasonale

  % === normalsize ===

  \renewcommand{\normalsize}{%
    \@setfontsize\normalsize{11}{16}
    \abovedisplayskip 11\p@ \@plus3\p@ \@minus6\p@
    \abovedisplayshortskip \z@ \@plus3\p@
    \belowdisplayshortskip 6.5\p@ \@plus3.5\p@ \@minus3\p@
    \belowdisplayskip \abovedisplayskip
    \color{textbody}
    \let\@listi\@listI}
  \normalsize

  % === indentations ===

  \setlength{\vgap}{1.5em}
  \setlength{\vindent}{\vgap}
  \setlength{\vleftmargin}{2em}

  \setlength{\parskip}{5pt}
  \setlength{\parindent}{0pt}

  % === setup page layout ===

  \setstocksize{9in}{6in}
  \settrimmedsize{\stockheight}{\stockwidth}{*}
  \settrims{0pt}{0pt}
  % It won't be exactly 33 lines because of the parskip,
  % but close enough for our purpose.
  \settypeblocksize{32\baselineskip + \topskip}{*}{0.577}% 1/1.732 (sqrt(3)), Hexagon
  \setlrmargins{*}{*}{1.125}% 1/0.889 major 2nd, 25.6mm | 22.77mm
  \setulmargins{*}{*}{1.701}% Tall Pentagon, 17.9mm | 30.52mm
  \setlength{\footskip}{3\baselineskip}
  \checkandfixthelayout

}{
\ifthenelse{\equal{\ANEC@pagePreset}{smallpage}}{

  % Small page size
  %
  % 5.25in x 8in page
  % P = 1.523 (~Pentagon (1.539), b/w fifth (1.5) and minor 6th (1.6))
  % T = 1.618 (Golden Section, ~minor 6th (1.6))

  % For 11pt / 16pt font size, 27 lines, Gentium font, no parskip, 17pt parindent.
  % Small book binding swallows more space in the center, hence the 0.889 L-R margin ratio, instead of the 1.125 of the larger page size.

  % === normalsize ===

  \renewcommand{\normalsize}{%
    \@setfontsize\normalsize{11}{16}
    \abovedisplayskip 11\p@ \@plus3\p@ \@minus6\p@
    \abovedisplayshortskip \z@ \@plus3\p@
    \belowdisplayshortskip 6.5\p@ \@plus3.5\p@ \@minus3\p@
    \belowdisplayskip \abovedisplayskip
    \color{textbody}
    \let\@listi\@listI}
  \normalsize

  % === indentations ===

  \setlength{\vgap}{1.5em}
  \setlength{\vindent}{\vgap}
  \setlength{\vleftmargin}{2em}

  % === setup page layout ===

  \setlength{\parskip}{0pt}
  \setlength{\parindent}{17pt}

  \setstocksize{8in}{5.25in}
  \settrimmedsize{\stockheight}{\stockwidth}{*}
  \settrims{0pt}{0pt}
  \settypeblocksize{27\baselineskip + \topskip}{*}{0.618}% 1/1.618 Golden section
  %\setlrmargins{*}{*}{0.889}% major 2nd 15:16, gives: 19.24mm | 17.1mm
  % FIXED: inner margin too close to the spine. Increased it a bit.
  \setlrmargins{*}{*}{0.63}% gives: 22.30mm | 14.04mm
  \setulmargins{*}{*}{1.701}% Tall Pentagon
  \setlength{\footskip}{3\baselineskip}
  \checkandfixthelayout

}{

  % other page sizes?

}}

% alias the pagestyles into semantic names, "where it is used"

\aliaspagestyle{normalpage}{bottomcorner}

\RequirePackage{book-core-last}