#!/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}"

date="$(date -d "$daysago days ago" +"%a, %d %b %Y")"
newn="${day}.jpg"

# get post link
rss="http://www.timesfreepress.com/rss/headlines/opinion/cartoons/"
rss_regex="<pubDate>${date}[^<]*</pubDate><guid>[^<]*</guid>"
url_regex=".*<guid>\([^<]*\)</guid>.*"

post=$(wget ${wget_args} -O - "${rss}" | grep "${rss_regex}" | sed "s#${url_regex}#\1#")

if [ -n "${post}" ]; then
    # get img url from post
    img=$(wget ${wget_args} -O - "${post}" | grep '<div class="story_lead_photo">' -A 3 | \
        sed -n 's#.*<img.*src="\([^"]*\)".*#\1#p')
fi

if [ -n "${img}" ]; then
    echo "Hole claybennett von $server"
    echo "fuer Datum: $(date -d"$daysago days ago" -I)"
    echo "URL: $img"
    echo

    wget ${wget_args} "${img}" -O "${newn}"

    echo ${image_dir}

    if [ -s "${tmp}/${newn}" ]; then
        mv "${tmp}/${newn}" "${image_dir}/$newn"
        rm -f "${comic_dir}/latest.jpg"
        ln -s "${image_offset}/$newn" "${comic_dir}/latest.jpg"
    fi
fi

rm -rf "${tmp}"