#!/bin/sh

if [ ! -f $XDG_RUNTIME_DIR/timer ] || [ -z $(cat $XDG_RUNTIME_DIR/timer) ]; then
  duration="$(printf "" | dmenu -p "Please enter duration:")"

  [ -z "$duration" ] && exit 1

  timestamp="$(date -d "$duration" '+%s')"

  [ -z "$timestamp" ] && notify-send -a "Timer utility" "Time format not recognized" && exit 1

  printf "$timestamp" > $XDG_RUNTIME_DIR/timer

else
  operation=$(printf "Cancel" | dmenu -p "Please select action:")
  case $operation in
    Cancel)
      echo "" > $XDG_RUNTIME_DIR/timer
      ;;
    esac
fi

kill -64 $(pidof dwmblocks)