#!/bin/bash
# c 2014 Roland Latour, gpl v2

# Idea: prompt for time, like this:
# 9menu -font 9x18 -fg black -bg white -label 'Timer' \
# "30 seconds":'exec echo 30' "1 Minute":'exec echo 60' \
# "3 Minutes":'exec echo 180' "5 Minutes":'exec echo 300' \
# "10 Minutes":'exec echo 600' "30 Minutes":'exec echo 1800'

# Syntax: timer [seconds [label]]
# parameters are optional
# This works: timer minutes*60 label (timer 27*60 Pizza)
# for label: use quotes to prevent interpretation by bash for (say)
# ampersands or exclamation marks.

function blink_status_bar () {
(for ((i=1; i<8; i++));do
  sleep .1;echo 0;sleep .1;echo 100
done) }

# if there is a 1st parameter, use it, else assume 3 minutes
if test -z "$1"; then
  LIMIT=180
  LABEL="Tea_Timer"
else
  LIMIT=$1
# force mathematical evaluation, for syntax: timer minutes*60
   let LIMIT=($LIMIT * 1)
# eliminates error message: "integer expression expected"
# getting strange results with leading zeros
  let min=($LIMIT / 60)
  LABEL=$min"_Minute_Timer"
fi

# if there is a 2nd parameter, use it as LABEL
if test -z "$2"; then
  true
else
  LABEL=$2
  LABEL=`echo $LABEL|sed 's/ /_/g'`
fi

#=======Start timing==========
# parens cause work to be done in a subshell, then piped to zenity
(
# relocate yad to 1st workspace
wmctrl -d > /dev/null;sleep .2;wmctrl -r $LABEL -t 0

for ((a=$LIMIT; a > 0; a--)); do
# compute Hrs/Mins/Secs
  let hour=($a / 3600)
  let y=($hour * 60)
  let min=($a / 60)
  let min=($min - $y)
  let y=($y * 60)
  let z=($min * 60)
  let sec=($a - $y - $z)

  if [ $hour -gt 0 ]; then
# pad min and sec, ex: "9" to "09", "0" to "00"
    echo "# Time Left:   $hour:`printf "%02.f" $min`:`printf "%02.f" $sec`"
  else
# pad sec, ex: "9" to "09", "0" to "00"
    echo "# Time Left:   $min:`printf "%02.f" $sec`"
  fi

# compute percentage of limit time, update progress bar
  let y=($LIMIT - $a)
  let y=($y * 100)
  let pct=($y / $LIMIT)
  echo $pct;sleep 0.99
# off by 7 seconds in 3 hours
done

echo 100;echo "# $LABEL complete"
# move yad to current workspace, always-on-top
wmctrl -R $LABEL;wmctrl -r $LABEL -b add,above

# Notification area
beep -f 1000 -n -f 2000 -n -f 1500 &
# try linux.png, puppy.png, pumpkin.svg, bart.svg, freebsd.png
xcowsay -t 4 --at=1950,200 --image=/home/rolandl/save/images/general/linux.png "$LABEL
has completed!" &
blink_status_bar
#espeak "$LABEL has completed"
#aplay -q ~/save/waves/cowbell.wav
) | yad --progress --geometry=220x90+5+300 --image-on-top --title=$LABEL \
	--image=/usr/share/icons/Adwaita/32x32/status/appointment-soon-symbolic.symbolic.png \
   --auto-kill