#!/bin/bash
#===========================================================================
#					File playlast.sh
#	Checks if files exist, and if so plays last compiled 12 note tune
#	generated by serialrpi.sh or serialr.sh
#	usage ./playlast.sh pi  OR .playlast.sh mac
#	Can be run in LXDE terminal or from a remote ssh connection	
#	Option pibrowser TRUE runs on pi desktop FALSE runs output on Mac
#	is set by input argument pi or mac
#   Option quitbrowser FALSE or TRUE to control whether browser is shut at the end
#	Check Mac configuration options before running with playlast.sh mac
#	Written by Robin Newman, Aug 2013
#===========================================================================

#pibrowser set TRUE to run on pi desktop browser, FALSE to run on external Mac
#now set by argument on command line
prefbrowser=midori #select midori or netsurf (for pi playback)
quitbrowser=TRUE #forces browser to quit at end of script TRUE/FALSE

pishare='/home/pi/pishare' #where share is mounted on the Pi
macssh="rbn@192.168.1.12" #ssh logon to the Mac
macbrowserapp="Firefox.app" #Browser to run on Mac (could be Safari.app,Google Chrome.app)
macpathtoshare='/Users/rbn/Documents/pishare' #path to share on the Mac

#you shouldn't need to configure anything after this line
macbrowser=`echo $macbrowserapp | cut -d'.' -f1` #strips the .app from macbrowserapp
#parse input argument and set pibrowser accordingly
if  [[ -z $1  || $1 != 'pi' && $1 != 'mac' ]]
  then
    echo "usage ./playlast.sh pi   or ./playlast.sh mac"
    exit 1
fi
if [ $1 = 'mac' ]; then pibrowser=FALSE;else pibrowser=TRUE;fi

if [ $pibrowser = TRUE ]
then
web=/tmp/tonerow.html
midifile=/tmp/tonerow.midi
#check if Desktop is running
if [[ `pidof lxsession` = "" ]]
  then
  echo 'no desktop running on the Pi.startx & from this terminal, then rerun'
  exit 
 else
  export DISPLAY=:0
fi
if [ -f $web ] #check if webpage exists
then
if [ "$(pidof $prefbrowser)" ]  #first kill existing browser if running
then
killall $prefbrowser
fi
echo Starting Web Browser
if [ $prefbrowser = midori ]
then
$prefbrowser -e Fullscreen -a $web &
else 
$prefbrowser file://$web &
fi
sleep 4
#allow time for web browser to open
echo Playing midi file
sleep 2
timidity $midifile &> /dev/null #play midi file
#wait before killing browser
sleep 2
if [ $quitbrowser = TRUE ] #then force browser to quit
then
killall $prefbrowser
echo browser killed
fi
else
echo "No $web so can't run"
fi
else
if [ -f $pishare'/tonerow/tonerow.html' ] #check if html exists
then
#(re)copy quit.sh script to mac
cp quit.sh $pishare/tonerow
open firefox with html page by ssh to mac
cmd='ssh '$macssh' " open -a /Applications/'$macbrowserapp'/ '
cmd+='file://'$macpathtoshare'/tonerow/tonerow.html"'
eval $cmd
#wait for tune to play
sleep 20
if [ $quitbrowser = TRUE ] #then force browser to quit
then
echo 'close mac browser'
#use quit.sh script in tonerow folder to close Firefox again
#this script is obtainable at http://mattdturner.com/resources/quit
cmd='ssh '$macssh' "sh '$macpathtoshare'/tonerow/quit.sh '
cmd+=$macbrowser' &>/dev/null"'
eval $cmd
fi
else
echo "No web page on mac so can't run"
fi
fi

echo "Finished!"
#------------ end of script -------------