#!/bin/sh
#
# This script launches dmdirc and attempts to update the jar file if needed.
#
# DMDirc - Open Source IRC Client
# Copyright (c) 2006-2008 Chris Smith, Shane Mc Cormack, Gregory Holmes
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

LAUNCHERVERSION="1"

params=""

# Store params so that we can pass them back to the client
for param in "$@"; do
	PSN=`echo "${param}" | grep "^-psn_"`
	if [ "" = "${PSN}" ]; then
		SPACE=`echo "${param}" | grep " "`
		if [ "${SPACE}" != "" ]; then
			niceParam=`echo "${param}" | sed 's/"/\\\\"/g'`
			params=${params}" \"${niceParam}\""
		else
			params=${params}" ${param}"
		fi;
	fi;
done;

# Check for some CLI params
profiledir="${HOME}/Library/Preferences/DMDirc"
while test -n "$1"; do
	case "$1" in
		--directory|-d)
			shift
			profiledir=${1}
			;;
	esac
	shift
done

OSASCRIPT=`which osascript`
errordialog() {
	# Send message to console.
	echo ""
	echo "-----------------------------------------------------------------------"
	echo "Error: ${1}"
	echo "-----------------------------------------------------------------------"
	echo "${2}"
	echo "-----------------------------------------------------------------------"

	if [ "" != "${OSASCRIPT}" ]; then
		echo "Displaying dialog.."
		${OSASCRIPT} -e 'tell application "System Events"' -e "activate" -e "display dialog \"${1}\n${2}\" buttons {\"Ok\"} with icon stop" -e 'end tell'
	fi;
}

messagedialog() {
	# Send message to console.
	echo ""
	echo "-----------------------------------------------------------------------"
	echo "Info: ${1}"
	echo "-----------------------------------------------------------------------"
	echo "${2}"
	echo "-----------------------------------------------------------------------"

	if [ "" != "${OSASCRIPT}" ]; then
		echo "Displaying dialog.."
		${OSASCRIPT} -e 'tell application "System Events"' -e "activate" -e "display dialog \"${1}\n${2}\" buttons {\"Ok\"} giving up after 120 with icon note" -e 'end tell'
	fi;
}

jar=`dirname $0`/../Resources/Java/DMDirc.jar
launcherUpdater=${profiledir}/updateLauncher.sh
echo "---------------------"
echo "DMDirc - Open Source IRC Client"
echo "Launcher Version: ${LAUNCHERVERSION}"
echo "Copyright (c) 2006-2008 Chris Smith, Shane Mc Cormack, Gregory Holmes"
echo "---------------------"

echo -n "Checking for launcher updates in ${profiledir} - ";
if [ -e "${profiledir}/.launcher.sh.ignore" ]; then
	rm -Rf "${profiledir}/.launcher.sh.ignore"
	echo "Ignoring!";
elif [ -e "${profiledir}/.launcher.sh" ]; then
	echo "Found!";
	echo "Attempting to update..";

	cat <<EOF> ${launcherUpdater}
		cd `dirname $0`
		OSASCRIPT=`which osascript`
		errordialog() {
			# Send message to console.
			echo ""
			echo "-----------------------------------------------------------------------"
			echo "Error: \${1}"
			echo "-----------------------------------------------------------------------"
			echo "\${2}"
			echo "-----------------------------------------------------------------------"
		
			if [ "" != "${OSASCRIPT}" ]; then
				echo "Displaying dialog.."
				${OSASCRIPT} -e 'tell application "System Events"' -e "activate" -e "display dialog \"${1}\n${2}\" buttons {\"Ok\"} with icon stop" -e 'end tell'
			fi;
		}
		
		messagedialog() {
			# Send message to console.
			echo ""
			echo "-----------------------------------------------------------------------"
			echo "Info: \${1}"
			echo "-----------------------------------------------------------------------"
			echo "\${2}"
			echo "-----------------------------------------------------------------------"
		
			if [ "" != "${OSASCRIPT}" ]; then
				echo "Displaying dialog.."
				${OSASCRIPT} -e 'tell application "System Events"' -e "activate" -e "display dialog \"${1}\n${2}\" buttons {\"Ok\"} giving up after 120 with icon note" -e 'end tell'
			fi;
		}

		mv -fv ${profiledir}/.launcher.sh ${0}
		if [ ! -e "${profiledir}/.launcher.sh" ]; then
			echo "Launcher Update successful."
			messagedialog "Launcher Update" "Launcher Update successful"
		else
			if [ "${UID}" = "" ]; then
				UID=`id -u`;
			fi
			if [ "0" != "${UID}" ]; then
				messagedialog "DMDirc" "The DMDirc Client Updater was unable to modify the client installation, trying again with administrator access"
				if [ $? -eq 0 ]; then
					echo "Password dialog on display"
					osascript -e do shell script "mv -fv \"${profiledir}/.launcher.sh\" \"${0}\"" with administrator privileges
				fi;
			fi
			if [ ! -e "${profiledir}/.DMDirc.jar" ]; then
				echo "Update successful."
				messagedialog "Launcher Update" "Launcher Update successful"
			else
				echo "Launcher failed."
				errordialog "Launcher Update" "Launcher Update failed, using old version"
				touch ${profiledir}/.launcher.sh.ignore
			fi;
		fi;
		sh ${0} ${params}
EOF
	chmod a+x ${launcherUpdater}
	${launcherUpdater}
	exit 0;
else
	echo "Not found.";
fi;

if [ -e "${launcherUpdater}" ]; then
	rm -Rf "${launcherUpdater}"
fi;

echo -n "Checking for client updates in ${profiledir} - ";
if [ -e "${profiledir}/.DMDirc.jar" ]; then
	echo "Found!";
	echo "Attempting to update..";
	mv -fv ${profiledir}/.DMDirc.jar ${jar}
	if [ ! -e "${profiledir}/.DMDirc.jar" ]; then
		echo "Update successful."
		messagedialog "Client Update" "Client Update successful"
	else
		if [ "${UID}" = "" ]; then
			UID=`id -u`;
		fi
		if [ "0" != "${UID}" ]; then
			messagedialog "DMDirc" "The DMDirc Client Updater was unable to modify the client installation, trying again with administrator access"
			if [ $? -eq 0 ]; then
				echo "Password dialog on display"
				osascript -e "do shell script \"mv -fv \\\"${profiledir}/.launcher.sh\\\" \\\"${0}\\\"\" with administrator privileges"
			fi;
		fi
		if [ ! -e "${profiledir}/.DMDirc.jar" ]; then
			echo "Update successful."
			messagedialog "Client Update" "Client Update successful"
		else
			echo "Update failed."
			errordialog "Client Update" "Client Update failed, using old version"
		fi;
	fi
else
	echo "Not found.";
fi;

echo -n "Looking for java - ";
JAVA=`which java`
if [ -e "/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Commands/java" ]; then
	JAVA="/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Commands/java"
elif [ -e "/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Commands/java" ]; then
	JAVA="/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Commands/java"
fi;

if [ "" != "${JAVA}" ]; then
	echo "Success!"
else
	echo "Failed!"
	ERROR="Sorry, java is not installed on this machine.";
	ERROR=${ERROR}"\n"
	ERROR=${ERROR}"\nDMDirc requires a 1.6.0 compatible JVM, this is currently:";
	ERROR=${ERROR}"\nonly availble as a Developer Preview from the Apple Developer site.";
	errordialog "Unable to launch dmdirc!" "${ERROR}";
	exit 1;
fi

echo -n "Running DMDirc - "
if [ -e "${jar}" ]; then
	# Check that DMDirc will run, if java is not 1.6 this will fail.
	# We do it this way otherwise segfaults etc would cause an unable to launch
	# error message to be printed.
	${JAVA} -jar ${jar} --help >/dev/null 2>&1
	if [ $? -ne 0 ]; then
		echo "Failed."
		ERROR="Sorry, the currently installed version of java is not compatible with";
		ERROR=${ERROR}"\nDMDirc.";
		ERROR=${ERROR}"\n";
		ERROR=${ERROR}"\nDMDirc requires a 1.6.0 compatible JVM, this is currently:";
		ERROR=${ERROR}"\nonly availble as a Developer Preview from the Apple Developer site.";
		errordialog "Unable to launch dmdirc!" "${ERROR}";
		exit 1;
	fi

	# Now we can run the client for real, this allows stderr/stdout output
	# to be seen, and the shell script exits with the correct exit code.
	
	APPLEOPTS=""
#	APPLEOPTS="${APPLEOPTS} -Dcom.apple.mrj.application.growbox.intrudes=false"
#	APPLEOPTS="${APPLEOPTS} -Dcom.apple.mrj.application.live-resize=true"
#	APPLEOPTS="${APPLEOPTS} -Dcom.apple.mrj.application.apple.menu.about.name=DMDirc"
#	APPLEOPTS="${APPLEOPTS} -Dapple.awt.showGrowBox=true"
#	APPLEOPTS="${APPLEOPTS} -Dapple.laf.useScreenMenuBar=true"
	
	${JAVA}${APPLEOPTS} -ea -jar ${jar} -l osx-${LAUNCHERVERSION} ${params}
	exit $?;
else
	echo "Failed.";
	errordialog "Unable to launch dmdirc!" "No jar file found";
fi