#!/usr/bin/env bash

[[ "$1" == "--help" ]] && echo "USAGE: $0 [NOTES_DIRECTORY_1 [NOTES_DIRECTORY_2 [...]]]" && exit 0

function _render {
	echo "rendering $1"
	pandoc\
		--toc\
		--standalone\
		-t html\
		--template /opt/notes2web/templates/article.html\
		-o "$(dirname "$1")/index.html"\
		"$1"\
		--mathjax
}

function _renderindex {
	echo "rendering $1"
	pandoc\
		-t html\
		--template /opt/notes2web/templates/index.html\
		-o index.html\
		"$1"
}

function _adddirtoindex {
	dir="$(dirname "$1")"
	echo "<h1>$(basename "$dir") notes</h1>" >> index.md
	find "$dir" -name '*.md' -exec bash -c "_addarticletoindex '{}'" \;
}

function _addarticletoindex {
	echo "adding $1 to list of notes"
	pandoc\
		-t html\
		-V "filepath=$(dirname "$1")"\
		--template /opt/notes2web/templates/listitem.html\
		"$1"\
		>> index.md
}

export -f _render
export -f _adddirtoindex
export -f _addarticletoindex

#render each markdown file
for file in "$@"
do
	find "$file" -name '*.md' -exec bash -c "_render '{}'" \;
done

# create an intermediate markdown file of links to each article
echo "---
title: alv's notes
---" > index.md

for file in "$@"
do
	[[ ! -f "$file" ]] && echo "the presence of this files tells notes2web that it should be added to the notes2web index" > "$file/.2web"
done

find -name '.2web' -exec bash -c "_adddirtoindex '{}'" \;

_renderindex index.md

echo "copying styles.css to current directory"
cp /opt/notes2web/styles.css .