#! /bin/bash

# USE: ./build.sh <pandoc> <pandoc_flags> <pandoc_format> [sources]

pancompile="$1 $2 $3"
panexec="$1"
panflags="$2"
panformat="$3"
sources=${@:4}

echo "using command <${pancompile}>"
echo "for sources: ${sources}"

function process_dir() {
		pushd .
		arg_dir=$1

		cd ${arg_dir}
		indir_src="$(find . -name '*.md')"
		indir_out="${indir_src##*/}"
		${panexec} ${panflags} ${indir_src} ${panformat} -o ../${indir_out%.*}.html
		popd
}

for src in ${sources}; do
	if [ -d ${src} ]; then
		printf "\tfound dir: ${src}\n"

		if [ "$(find ${src} -name '*.md' | wc -l)" != "1" ]; then
			printf "\tToo many files in dir. Won't build. Skipping.\n"
			continue
		fi

		process_dir ${src}

	elif [ -f ${src} ] && [ "${src##*.}" == "md" ]; then
		printf "\tfound md file: ${src}\n"

		printf "\t${panexec} ${panflags} ${src} ${panformat} -o ${src%.*}.html\n"
		${panexec} ${panflags} ${src} ${panformat} -o ${src%.*}.html
	else
		printf "Unknown source (%s) - skipping\n" "$src"
	fi
done

#for lab in $(find . -maxdepth 1 -name "lab*" -type d); do
#	echo "Found directory ${lab}"
#done