#!/bin/sh

set -e

find_next_id() {
	last_id=$(fd -td '\d+' content/ -x echo '{/}' | sort -nr | head -n1)
	printf '%d\n' $((last_id + 1))
}

print_front_matter() {
	cat <<-EOF
		+++
		title = ""

		[taxonomies]
		tags = []

		[extra]
		mentions = []
		+++
	EOF
}

add_date() {
	sed -i "1a date = $(date -Iseconds)" "$1"
}

cleanup() {
	rm -f "$tmpfile"
	exit 1
}

tmpfile=$(mktemp --suffix=.md)

trap "{ rm -f $tmpfile; }" EXIT

print_front_matter > "$tmpfile"
$EDITOR "$tmpfile"

add_date "$tmpfile"

dir="content/$(find_next_id)"

mkdir "$dir/"
cp "$tmpfile" "$dir/index.md"