#!/bin/bash
LOCK_FILE=/tmp/{{ app }}_backup.lock
EXIT_PROPERLY() {
  echo -e "\e[91m \e[1m"    # Shell in light red bold
  echo -e "!!\n  Caught an interruption signal,  removing lock file...\n!!"
  echo -e "\e[22m"    # Remove bold

  rm $LOCK_FILE
  exit 1
}
trap EXIT_PROPERLY 1 2 3 6 15
if [ -f "$LOCK_FILE" ];then
  echo "Backup already launched by process $(grep '.*' $LOCK_FILE), canceling this one" >&2
  exit 1
fi
echo $$ > "$LOCK_FILE"
if yunohost -v | grep "version: 2." > /dev/null; then
  ignore_apps="--ignore-apps"
  ignore_system="--ignore-system"
else
  ignore_apps=""
  ignore_system=""
fi
filter_hooks() {
  ls /usr/share/yunohost/hooks/backup/ /etc/yunohost/hooks.d/backup/ | grep "\-$1_" | cut -d"-" -f2 | uniq
}

# Backup system part conf
conf=$(yunohost app setting {{ app }} conf)
if [ $conf -eq 1 ];then
  yunohost backup create $ignore_apps -n auto_conf --method {{ app }}_app --system $(filter_hooks conf)
fi

# Backup system data
data=$(yunohost app setting {{ app }} data)
if [ $data -eq 1 ];then
  yunohost backup create $ignore_apps -n auto_data --method {{ app }}_app --system $(filter_hooks data)
fi

# Backup all apps independently
apps=$(yunohost app setting {{ app }} apps)
for app in $(yunohost app list --installed -b | grep id: | cut -d: -f2); do
  backup_app=false
  for selected_app in $(echo $apps | tr "," " ");do
    if [[ "$selected_app" == "$app" ]] || [ "$apps" = "all" ]; then
      backup_app=true
      break
    fi
  done
  if [ "$backup_app" == "true" ];then
    yunohost backup create $ignore_system -n auto_$app --method {{ app }}_app --apps $app
  fi
done
rm "$LOCK_FILE"