#!/bin/bash 
# CREATE PDF from markdown files
#

set -x 
set -e

CONF="conf.sh"
TEMPLATE="verse-wrapper-template.tex"
CONVERTER="md2verse.sh"

if ! [[ -f $CONF ]] ; then echo "$CONF not found! Exiting ..." && exit ; fi 
if ! [[ -f $TEMPLATE ]] ; then echo "$TEMPLATE not found! Exiting ..." && exit ; fi 
if ! [[ -f $CONVERTER ]] ; then echo "$CONVERTER not found! Exiting ..." && exit ; fi 
if ! [[ -x $CONVERTER ]] ; then echo "$CONVERTER not executable! Exiting ..." && exit ; fi 

. $CONF
# CREATE WORKING DIR
WD=$PWD
TMPDIR=$(mktemp -d) 
PATH=$PATH:$WD
pushd $TMPDIR

# CONVERT MD TO TEX 
for tex in $( echo $INFILES | grep '.md$' ) 
do
	echo $WD/$tex 
	# create parent dir if necassary
	mkdir -p $(dirname $tex)
	$CONVERTER $WD/$tex > $( echo $tex | sed "s/.md/.tex/" )
done 

# CREATE WRAPPER 
WRAPPER="""\documentclass{$DOCCLASS}
\usepackage[fontsize=${FONTSIZE}pt]{fontsize}
\usepackage[${PAGESIZE}paper,showframe]{geometry} % A6
\usepackage{verse, gmverse} % https://tex.stackexchange.com/a/542222

\newcommand{\attrib}[1]{%
	\nopagebreak{\raggedleft\footnotesize #1\par}
}

\title{ ${TITLE} }
\author{ ${AUTHOR} }
\date{\today}

\begin{document}
\maketitle

\tableofcontents
"""
WRAPPER_END="""
\end{document}
"""

echo $WRAPPER > $PROJECT.tex
for input in $INFILE
do 
	if [[ "$input" = "*.md" ]]
	then 
		echo '\\input' "{ $( echo $input | sed 's/.md/.tex/' ) }" >> $PROJECT.tex
	else 
		#is chapter 
		echo '\\chapter' " { $input }" >> $PROJECT.tex
	fi
	echo '\\clearpage' >> $PROJECT.tex
done 
echo "$WRAPPER_END" >> $PROJECT.tex

# CREATE PDF 
$LATEX_ENGINE $PROJECT.tex 
cp $PROJECT.pdf $WD
popd 
rm -rf $TMPDIR