#! /bin/bash
# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:

# ADTPro - *nix startup shell script
#
# Note:
#	Invoke with the name of the communications button to push
#	in order to start with that mode active (i.e. './adtpro.sh ethernet')
#
# You can set two variables here:
#	1. $MY_JAVA_HOME - to pick a particular java to run under
#	2. $ADTPRO_HOME - to say where you installed ADTPro
#
# Set default ADTPRO_HOME to be the fully qualified
# current working directory.
#export ADTPRO_HOME="`dirname \"$0\"`"
#cd "$ADTPRO_HOME"
#export ADTPRO_HOME=`pwd`

# Uncomment and modify one or both of the lines below if you
# want to specify a particular location for Java or ADTPro.
# NOTE: be sure to include a trailing slash on MY_JAVA_HOME,
# but not on ADTPRO_HOME.
#
# export MY_JAVA_HOME=/usr/local/java/bin/
# export ADTPRO_HOME=~/myuser/adtpro

usageExit () {
	echo "usage:" 1>&2
	echo "adtpro.sh [headless] [serial|ethernet|audio|localhost] [serialPortName]" 1>&2
	exit 1
}

export ADTPRO_HOME=/usr/local/adtpro
cd "$ADTPRO_HOME"

OS=`uname`
OS_ARCH=`uname -m`

[[ $1 == "headless" ]] && { headless=1; shift; } || headless=

if [[ $1 && ( $1 != "serial" && $1 != "ethernet" && $1 != "audio" && $1 != "localhost" ) ]]; then
	usageExit
fi

# For Linux, use this:
if [ "$OS" = "Linux" ]; then

	serialPortName=
	if [[ $1 == "serial" ]]; then
		if [[ $2 ]]; then
			serialPortName="$2"
			[[ ${serialPortName:0:5} == "/dev/" ]] && serialPortName=${serialPortName:5}
			if [[ ! -c /dev/$serialPortName ]]; then
				echo "Serial port $serialPortName not found." 1>&2
				usageExit
			fi
		elif [[ -c /dev/ttyUSBlower ]]; then
			serialPortName=ttyUSBlower
		elif [[ $(ls -1 /dev/ttyUSBlower_hub* 2> /dev/null | wc -l) -gt 0 ]]; then
			serialPortName=$(ls -1 /dev/ttyUSBlower_hub* 2> /dev/null | head -1 | cut -c 6-)
		elif [[ $(ls -1 /dev/ttyUSBupper_hub* 2> /dev/null | wc -l) -gt 1 ]]; then
			serialPortName=$(ls -1 /dev/ttyUSBupper_hub* 2> /dev/null | head -1 | cut -c 6-)
		else
			echo "No eligible USB-to-serial adapter found." 1>&2
			echo "Possible ports:" 1>&2
			echo " lower USB port"
			echo " any port on lower USB hub with no other adapters"
			echo " lowest port on USB hub on upper or lower USB port with multiple adapters"
			usageExit
		fi
	fi

	if [[ $(grep CommPort= /usr/local/adtpro/disks/ADTPro.properties) ]]; then
		if [[ $serialPortName ]]; then
			sed -i "s/^CommPort=.*$/CommPort=\/dev\/$serialPortName/" /usr/local/adtpro/disks/ADTPro.properties &> /dev/null
		else
			serialPortName=$(grep 'CommPort=/dev/' /usr/local/adtpro/disks/ADTPro.properties 2> /dev/null | cut -f 3 -d '/')
		fi
	else
		echo -e "#ADTPro.properties\n#$(date)\nCommPortSpeed=115200\nCommPortBootstrapSpeed=2400\nCommPort=/dev/$serialPortName\nCommPortBootstrapPacing=250\nHardwareHandshaking=false\nSerialIPHost=localhost\nSerialIPPort=1977" > /usr/local/adtpro/disks/ADTPro.properties
		chmod ugo+w /usr/local/adtpro/disks/ADTPro.properties
	fi

	ADTPRO_EXTRA_JAVA_PARMS="-Dgnu.io.rxtx.SerialPorts=/dev/$serialPortName"

	if [ -f /usr/bin/raspi-config ]; then
		export RXTXLIB=lib/rxtx/rxtx-2.2pre2-local/arm
	elif [ "$OS_ARCH" = "i686" ]; then
		export RXTXLIB=lib/rxtx/rxtx-2.2pre2-local/i686-pc-linux-gnu
	else
		if [ "$OS_ARCH" = "i386" ]; then
			export RXTXLIB=lib/rxtx/rxtx-2.2pre2-local/i686-pc-linux-gnu
		else
			export RXTXLIB=lib/rxtx/rxtx-2.2pre2-local/x86_64-unknown-linux-gnu
		fi
	fi
fi

# For OSX, use this:
if [ "$OS" = "Darwin" ]; then
	if [ "$OS_ARCH" = "powerpc" ]; then
		export RXTXLIB=lib/rxtx/rxtx-2.1-7-bins-r2/Mac_OS_X
	else
		export RXTXLIB=lib/rxtx/rxtx-2.2pre2-local/mac-10.5
	fi
fi

# For Solaris, use this:
if [ "$OS" = "SunOS" ]; then
	export RXTXLIB=lib/rxtx/rxtx-2.2pre2-local/sparc-sun-solaris2.10-32
fi

# Set up the library location.
export TWEAK1="-Djava.library.path="
export TWEAK=$TWEAK1$ADTPRO_HOME/$RXTXLIB

if [[ $headless ]]; then
	if [[ ! $1 || ! -f /usr/bin/xvfb-run ]]; then
		if [[ ! -f /usr/bin/xvfb-run ]]; then
			echo "Headless operation requires xvfb."
			usageExit
		else
			echo "Headless operation requires a communication mode (e.g. serial)."
			usageExit
		fi
		exit 1
	else
		HEADLESS="xvfb-run --auto-servernum "
	fi
fi

if [[ $serialPortName && $(ps aux | grep "/sbin/getty.*$serialPortName") ]]; then
	sudo pkill -f "/sbin/getty.*$serialPortName"
fi
sudo pkill -f [A]DTPro
cd "$ADTPRO_HOME"/disks
$HEADLESS"$MY_JAVA_HOME"java -Xms256m -Xmx512m "$TWEAK" $ADTPRO_EXTRA_JAVA_PARMS -cp ../lib/ADTPro.jar:../"$RXTXLIB"/../RXTXcomm.jar:../lib/AppleCommander/AppleCommander-ac.jar org.adtpro.ADTPro $* &
if [[ $1 == "serial" ]]; then
	echo "Starting up on interface $serialPortName. Please wait..."
fi
if [ -t 0 ]; then
	sleep 30
fi