#!/bin/bash

toolName="fhem"
toolUser="$toolName"
toolHome="/opt/fhem"
toolVersion="5.9"
toolDpkg="fhem-${toolVersion}.deb"
toolUrl="http://fhem.de/$toolDpkg"
# default deps listed at https://debian.fhem.de/
toolDeps="perl-base libdevice-serialport-perl libwww-perl libio-socket-ssl-perl libcgi-pm-perl libjson-perl sqlite3 libdbd-sqlite3-perl libtext-diff-perl libtimedate-perl libmail-imapclient-perl libgd-graph-perl libtext-csv-perl libxml-simple-perl liblist-moreutils-perl fonts-liberation2 libimage-librsvg-perl libgd-text-perl libsocket6-perl libio-socket-inet6-perl libmime-base64-urlsafe-perl libimage-info-perl libusb-1.0-0-dev libnet-server-perl"
toolDeps2="libdate-manip-perl libhtml-treebuilder-xpath-perl libmojolicious-perl libxml-bare-perl libauthen-oath-perl libconvert-base32-perl libmodule-pluggable-perl libnet-bonjour-perl libcrypt-urandom-perl"
# for rounding operations e.g.:
# { use Math::Round qw/nearest/;; nearest('0.01',ReadingsVal("1WT_28_5728E9070000", "temperature", 0)-1.1);; }
toolDeps2+=" libmath-round-perl"
# for fritzbox connection
toolDeps2+=" libsoap-lite-perl libjson-xs-perl"
# for xmpp support (no special solution needed for raspbian buster)
toolDeps2+=" libnet-xmpp-perl libxml-stream-perl libnet-jabber-perl"


# Get script working directory
# (when called from a different directory)
WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
WSUBDIR="${WDIR}/${toolName}"
#CONFIG_FILE="$WDIR/${toolName}.cfg"
#CONFIG_FILE_DEFAULT="${CONFIG_FILE}.example"

#step_config() {
#  echo "Called once before executing steps."
#  echo "e.g. to source a config file:"
#  #. "$CONFIG_FILE"
#}

step_1_info() { echo "Install prerequisits for $toolName"; }
step_1_alias() { ALIAS="install"; }
step_1() {
  local aptOpt=
  if [ $QUIET != 0 ] ; then
    aptOpt="-y"
  fi
  #exe apt update
  exe apt install $toolDeps $toolDeps2 "$aptOpt"
  #exe apt install "$toolDeps2" "$aptOpt"
  endReturn -o $? "Installation of prerequisits failed"
}

step_2_info() { echo "Download and install $toolName version $toolVersion"; }
step_2() {
  exe wget "$toolUrl" -O "$downPath"
  endReturn -o $? "Download of $toolName failed"
  exe dpkg -i "$downPath"
  endReturn -o $? "Installation of $toolName failed"
}
downPath="/tmp/$toolDpkg"

step_3_info() { echo "Start $toolName service"; }
step_3() {
  exe systemctl restart fhem.service
}

step_20_info() { echo "List $toolName prerequisits"; }
step_20_alias() { ALIAS="listdeps"; }
step_20() {
  echo " [I] $toolName prerequisits:"
  echo "$toolDeps $toolDeps2"
}

step_30_info() { echo "Create user $toolUser"; }
step_30() {
  exe useradd --system --home "$toolHome" --gid dialout --shell /bin/false "$toolUser"
  endReturn -o $? "Creating user $toolUser failed"
}

step_32_info() { echo "Create $toolName systemd service"; }
step_32() {
  exe cp "${toolHome}/contrib/init-scripts/fhem.service" "$systemdConfigLoc"
  exe systemctl daemon-reload
}
systemdConfigLoc="/etc/systemd/system"

VERSION_SEQREV=9
. /usr/local/bin/sequencer.sh