#!/bin/zsh
getargs() {
  while getopts "set" opt
  do
    case $opt in
      s) start="true";;
      e) end="true";;
      t) toggle="true";;
    esac
  done
}

start_dnd() {
  xset s off -dpms
  dunstify -r 51 -a "  System" "Screensaver off"
}
end_dnd() {
  xset s off +dpms
  dunstify -r 51 -a "  System" "Screensaver on"
}

toggle_dnd() {
  if [ $(xset q | grep "DPMS is" | xargs | cut -c9-) = "Enabled" ]; then
    start_dnd
  else
    end_dnd
  fi
}

main() {
  getargs "$@";
  [[ "$start" ]] && start_dnd;
  [[ "$end" ]] && end_dnd;
  [[ "$toggle" ]] && toggle_dnd;
  kill -53 $(pidof dwmblocks)
}

main "$@"