#!/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)"
newn="${day}.jpg"

wget ${wget_args} --user-agent="$browser" \
    --header="Referer: http://geekandpoke.typepad.com/" \
    "http://geekandpoke.typepad.com/" -O index.html

if [ -s index.html ]; then
    date="$(LC_ALL=C date +"%B %d, %Y" -d "$daysago days ago")"
    nomen="$(grep -A30 "$date" index.html | grep "img class" | head -1 | sed 's/.*img class=[^\/]*src="\([^"]\+\)".*/\1/')"
    imgname="$(echo $nomen | tr '/' '\n' | tail -n 1)"
    
    if [[ "$nomen" != "http:"* ]]; then
        echo "Kein geekandpoke fuer Datum: $(date -d"$daysago days ago" -I)"
    else
        echo "Dateiname: $imgname"
        echo
        echo "Hole geek&poke von $nomen"
        echo "fuer Datum: $(date -d"$daysago days ago" -I)"
        echo
        wget ${wget_args} --header="Referer: http://geekandpoke.typepad.com/" \
            --user-agent="$browser" "$nomen"

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

rm -rf "${tmp}"