#!/bin/sh

set -eu

umask 022

cd /srv/web/iot.foo.sh/shelly

PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"

URL="http://archive.shelly-tools.de/"

for _prod in $(curl -sSf "${URL}/archive.php" | jq -r '.[].type') ; do
    _ver="$(curl -sSf "${URL}/archive.php?type=${_prod}" | jq -r \
        'max_by(.version[1:] | split(".") | map(try tonumber catch 0)) .version')"
    _name="$(curl -sSf "${URL}/archive.php?type=${_prod}" | jq -r \
        'limit(1; .[].file)')"
    if [ ! -f "${_prod}.${_ver}.zip" ]; then
        echo "New firmware for ${_prod} (version ${_ver})"
        curl -sSf -o "${_prod}.${_ver}.zip" "${URL}/version/${_ver}/${_name}"
	if [ -h "$_name" ]; then
            rm -f "$_name"
	fi
	ln -s "${_prod}.${_ver}.zip" "$_name"
    fi
done