% engine=luatex
\mainlanguage[ar]

% Font
\definefontfeature
   [arabic]
   [mode=node,language=dflt,script=arab,
    init=yes,medi=yes,fina=yes,isol=yes,
    liga=yes,dlig=yes,rlig=yes,clig=yes,
    mark=yes,mkmk=yes,kern=yes,curs=yes]

\starttypescript [serif] [arabic]
 \definefontsynonym [Arabic-Light]       [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Bold]        [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Italic]      [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Bold-Italic] [name:arabtype] [features=arabic]
 \stoptypescript

\starttypescript [serif] [arabic] [name]
 \usetypescript[serif][fallback]
 \definefontsynonym [Serif]           [Arabic-Light]       [features=arabic]
 \definefontsynonym [SerifItalic]     [Arabic-Italic]      [features=arabic]
 \definefontsynonym [SerifBold]       [Arabic-Bold]        [features=arabic]
 \definefontsynonym [SerifBoldItalic] [Arabic-Bold-Italic] [features=arabic]
\stoptypescript

\starttypescript [Arabic]
  \definetypeface [Arabic] [rm] [serif] [arabic] [default] 
\stoptypescript 

\def\ArabicGlobalDir {\pagedir TRT\bodydir TRT\pardir TRT\textdir TRT}
\def\ArabicParDir    {\textdir TRT\pardir TRT}
\def\ArabicTextDir   {\textdir TRT}
\def\LatinParDir     {\textdir TLT\pardir TLT}
\def\LatinTextDir    {\textdir TLT}
\def\LatinGlobalDir  {\pagedir TLT\bodydir TLT\pardir TLT\textdir TLT}

\definestartstop
  [arabicpar]
  [commands=\Arabic\ArabicParDir]

\define[1]\AR
  {\Arabic\ArabicTextDir#1}

\define\setArabic
  {\ArabicGlobalDir%
   \usetypescript[Arabic]%
   \setupbodyfont[Arabic,20pt]}

\definestartstop
  [latinpar]
  [commands=\Arabic\LatinParDir]

\define[1]\LT
  {\LatinTextDir#1}

\define\setLatin
  {\LatinGlobalDir%
   \usetypescript[lm]%
   \setupbodyfont[lm,20pt]}

\setupinteraction[state=start]
\placebookmarks[chapter,section,subsection][chapter,section]
\setupinteractionscreen[option=bookmark]

\input spec-tst.tex

\setupinteraction
   [state=start,
    title={كيف تكتب عربي مع كُنْتِكِسْت},
    author={خالد حسني},
    subtitle={صف الحروف حاسوبيا مع تخ وكنتكست},
    keyword={عربي تخ كنتكست صف محارف طباعة}]

%there is a bug
%\setcharactermirroring[1]

\starttext

\setArabic

\startstandardmakeup
  \midaligned{كيف تكتب عربي في كُنْتِكِسْت}
  \midaligned{كتبه}
  \midaligned{خالد حسني}
\stopstandardmakeup

\completecontent

\chapter{مقدمة}
كُنْتِكِسْت (\CONTEXT) هو حزمة ماكرو لنظام تخ (\TeX) لصف المحارف.
\chapter{أول فصل}
\section[firstsection]{أول باب}
... كلام ...
\section{ثاني باب}
... كلام\index{فهرس آخر} ...
\subsection{ثاني مسألة}
... كلام ...
\section{ثالث باب}
... كلام ...
\chapter{فصل آخر}
... كلام ...
\chapter[lastchapter]{آخر فصل}
... كلام ...
\completeindex
\stoptext