#!/bin/bash

# Run for Pomodoro timer. Defaults to 25 min session and 5 minute break.
# Set $QUIET environment variable to eliminate the countdown output.
# I run it with a gnome-terminal profile called "pomodoro" where I have
# the text size set to 72 pt, with text and background colors adjusted,
# starting it like this:
#
# gnome-terminal --window-with-profile pomodoro --hide-menubar -- \
#     sh -c "setterm -cursor off; resize -s 1 7; pomodoro $1 $2"

WORK_TIME=$(( ${1:-25} * 60 ))
BREAK_TIME=$(( ${2:-5} * 60 ))
WARNING_INTERVAL=30;
END_OF_WORK_SOUND=~/.local/share/sounds/job-done.ogg
END_OF_BREAK_SOUND=~/.local/share/sounds/vuvuzela-trumpet.ogg

function countdown {
  COUNTER=$1
  while [ $COUNTER -gt 0 ]; do
    if [ -z "$QUIET" ]; then
      printf ' %02d:%02d \r' $(( $COUNTER / 60 )) $(( $COUNTER % 60 ))
    fi
    sleep 1
    let COUNTER-=1
  done
  printf '\033[5m 00:00 \033[0m\r' # blinking zero
}

function run_period {
    TIME=$1
    SOUND=$2
    MESSAGE=$3
    countdown $TIME
    while true; do paplay $SOUND; sleep $WARNING_INTERVAL; done &
    WARNING_PID=$!
    zenity --warning --text="$MESSAGE"
    kill $WARNING_PID
}

while true; do
    run_period $WORK_TIME $END_OF_WORK_SOUND \
	"Work session has ended. Take a $(( $BREAK_TIME / 60)) minute break"
    run_period $BREAK_TIME $END_OF_BREAK_SOUND "Break is over"
done 2> >(grep -v 'GtkDialog\|No such process' >&2)