#!/bin/bash

[ ! -d .git ] && exit 1

opt=$1; shift

chapters="par gnx mp pfor alsk"
subdirs="alg fig lst"
acronyms=
commands=

for subdir in $(echo ${subdirs}); do
	rm -rf "src/${subdir}/*"
done

rm -f 'src/tikz/*'

# gather chapter sources
chn=0

cp '../remerciements/src/thanks.tex' "src/${chn}_1_thanks.tex"

for chapter in $(echo ${chapters}); do
	rm -rf "src/${chapter}"
	cp -rf "../${chapter}/src/${chapter}" 'src'
	chn=$((chn+1))

	if [ "${opt}" != 'contents' ]; then
		cp "../${chapter}/src/${chapter}.tex" "src/${chn}_${chapter}.tex"
	fi

	rm -rf "img/${chapter}"
	cp -rf "../${chapter}/img/${chapter}" 'img'

	cp "../${chapter}/src/tikz/"* 'src/tikz/'

	for subdir in $(echo ${subdirs}); do
		dir="../${chapter}/src/${subdir}/${chapter}"
		if [ -d "${dir}" ]; then
			cp -rf "${dir}" "src/${subdir}/"
		fi
	done

	acronymsfile="../${chapter}/src/acronyms.tex"
	if [ -f "${acronymsfile}" ]; then
		acronyms="${acronyms} ${acronymsfile}"
	fi

	commandsfile="../${chapter}/src/commands.tex"
	if [ -f "${commandsfile}" ]; then
		commands="${commands} ${commandsfile}"
	fi
done

# merge all acronyms files
letter=A
previous=
while read line; do
	current=$(echo "${line}"|cut -d'{' -f2|cut -d'}' -f1)
	curletter=$(echo "${current}"|cut -c1)
	if [ "${curletter}" != "${letter}" ]; then
		echo
		letter="${curletter}"
	fi
	if [ "${current}" = "${previous}" ]; then
		echo>&2 "[acronyms] incoherent duplicate for {${current}}"
	fi
	previous="${current}"
	echo "${line}"
done<<<$(sort -u ${acronyms}|grep -Ev '^$'|sed 's,\\,\\\\,g')>src/acronyms.tex

# merge all commands files
declare -A arrcmds
for cmds in ${commands}; do
	chapter=$(echo "${cmds}"|cut -d'/' -f2)
	echo "%{{{ ${chapter} \""
	while read line; do
		cmd=$(sed -re 's/[^{]*\{([^}]+)\}.*/\1/'<<<"${line}")
		if [ -n "${cmd}" ]; then
			if [ ${arrcmds[${cmd}]+x} ]; then
				if [ ${arrcmds[${cmd}]} != ${line} ]; then
					echo>&2 "[commands] incoherent duplicate for ${cmd}"
				fi
				echo -n "% "
			else
				arrcmds[${cmd}]="${line}"
			fi
			echo "${line}"
		fi
	done<<<$(sed 's,\\,\\\\,g' ${cmds})
	echo "%}}}"
done>src/commands.tex