# could add handling to call teh cleanup on

tmp_files=()

function setup(){
  cp /etc/resolv.conf /etc/resolv.conf.bak
}

function cleanup(){
  cp /etc/resolv.conf.bak /etc/resolv.conf

  # reset permissions of output folder to the owner
  local owner=$(ls -ld $PWD | awk '{print $3}')
  local group=$(ls -ld $PWD | awk '{print $4}')
  chown -R "$owner:$group" ./images

  # remove all the tmp tmp_files
  for tmp_file in ${tmp_files[@]}; do
    rm $tmp_file
  done
}


function build () {
  local config="$1"
  local configs="./configs"
  local images="./images"

  # file:// cannot have relative paths, so use a bit of subsitution to fix
  if grep -q SKYNET_ROOT_DIR "$configs/$config.yaml"; then

    # create a copy with the file
    cp "$configs/$config.yaml" "$configs/$config.tmp"
    # sed normally uses / but that conflcts with file paths so use @ instead
    sed -i "s@SKYNET_ROOT_DIR@$PWD@g" "$configs/$config.tmp"

    # add to tmp tmp_files
    tmp_files+=("$configs/$config.tmp")

    # normal command
    distrobuilder build-lxc "$configs/$config.tmp" "$images/$config"
  else
    distrobuilder build-lxc "$configs/$config.yaml" "$images/$config"
  fi
}

function main(){
  setup

  build base
  build base_trainee
  build games_wing

  cleanup
}


main