#!/bin/bash

if [ -z "$1" -o ! -d "$1" ]; then
    echo "Usage: $0 <top-directory> [<days ago>]" 1>&2
    exit 1
fi

top="${1}"
shift

source "${top}/etc/settings.sh"
tmp="$(mktemp -d)"
cd "${tmp}"

browser="Mozilla/4.06 [en] (X11; I; Linux 2.0.35 i586)"

wget ${wget_args} --user-agent="$browser" --header "Referer: http://nerdragecomic.com" -O "${tmp}/out.jpg" "http://nerdragecomic.com/strips/`date +%Y-%m-%d -d "${daysago} days ago"`.jpg"

if [ -s "${tmp}/out.jpg" ]; then
	echo "Comic gefunden."

	mv "${tmp}/out.jpg" "${image_dir}/$day.jpg"
	rm -f "${comic_dir}/latest.png"
	ln -s "${image_dir}/$day.jpg" "${comic_dir}/latest.png"
fi

rm -rf "${tmp}"