#!/bin/sh

## Copyright (c) JonDos GmbH
##
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without modification,
## are permitted provided that the following conditions are met:
##
##     * Redistributions of source code must retain the above copyright notice, this list
##       of conditions and the following disclaimer.
##     * Redistributions in binary form must reproduce the above copyright notice,
##       this list of conditions and the following disclaimer in the documentation and/or
##       other materials provided with the distribution.
##     * Neither the name of the University of Technology Dresden, Germany, nor the name of
##       the JonDos GmbH, nor the names of their contributors may be used to endorse or
##       promote products derived from this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
## PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
## LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
## NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
## SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
##

PREFIX="/usr/local"
JAVA="java"

printHelpText()
{
	echo "JonDo installation for Linux/UNIX, (2013 Copyright (c) JonDos GmbH)"
	echo "usage: $0 [options]"
	echo
	echo "The following files will be installed:"
	echo
	echo " [installpath]/bin/jondo"
	echo " [installpath]/share/java/JAP.jar"
	echo " [installpath]/share/pixmaps/jondo.png"
	echo " [installpath]/share/applications/jondo.desktop"
	echo " [installpath]/share/menu/jondo"
	echo " [installpath]/man/man1/jondo.1"
	echo
	echo "If not specified installpath defaults to \"/usr/local\"." 
	echo
	echo "Options are:"
	echo "  -h -?               shows this help text"
	echo "  -j java             full path to java binary (JRE)"
	echo "  -i installpath      installpath for installation"
	echo ""
}

javaCheck()
{
	${JAVA} -version  && return 0
        echo "WARNING: Java VM installation ${JAVA} not found."
	echo "JonDo will not be able to run without Java."
	echo "You may set the path to Java VM with option -j /path/to/java"
	echo ""
	exit 1
}


OPTSTR="j:i:h"
getopts "${OPTSTR}" CMD_OPT
while [ $? -eq 0 ]; 
do
	case ${CMD_OPT} in
		j)
			# path to java
			JAVA=${OPTARG}
			;;
		i)
			# path to java
			PREFIX=${OPTARG}
			;;
		h)
			printHelpText; 
			exit 0;;
		*)	
			echo "unrecognized option: ${CMD_OPT}"
		   	printHelpText
		   	exit 1;;
	esac
	getopts "${OPTSTR}" CMD_OPT
done

javaCheck

if [ -w ${PREFIX} ]; then
	install -d ${PREFIX}/bin
	install -d ${PREFIX}/share/java
	install -d ${PREFIX}/share/pixmaps
	install -d ${PREFIX}/share/applications
	install -d ${PREFIX}/share/menu
	install -d ${PREFIX}/man/man1

	cp -f JAP.jar ${PREFIX}/share/java
	cp -f icons/jondo-48.png ${PREFIX}/share/pixmaps/jondo.png
	cp -f icons/jondo-16.png ${PREFIX}/share/pixmaps/jondo-16.png
	cp -f man1/jondo.1 ${PREFIX}/man/man1/jondo.1
	cp -f desktop/jondo.menu ${PREFIX}/share/menu/jondo
	echo "command=\"${PREFIX}/bin/jondo\" " >> ${PREFIX}/share/menu/jondo
	cp -f desktop/jondo.desktop ${PREFIX}/share/applications
	echo "Exec=${PREFIX}/bin/jondo" >> ${PREFIX}/share/applications/jondo.desktop

	echo "#!/bin/sh" > ${PREFIX}/bin/jondo
	echo "case \"\$1\" in" >> ${PREFIX}/bin/jondo
	echo "    --remove)" >> ${PREFIX}/bin/jondo
	echo "      echo \"Delete all installed JonDo files...\"" >> ${PREFIX}/bin/jondo
	echo "      rm ${PREFIX}/share/applications/jondo.desktop" >> ${PREFIX}/bin/jondo
	echo "      rm ${PREFIX}/share/pixmaps/jondo.png" >> ${PREFIX}/bin/jondo
	echo "      rm ${PREFIX}/share/pixmaps/jondo-16.png" >> ${PREFIX}/bin/jondo
	echo "      rm ${PREFIX}/man/man1/jondo.1" >> ${PREFIX}/bin/jondo
	echo "      rm ${PREFIX}/share/menu/jondo"  >> ${PREFIX}/bin/jondo
	echo "      rm ${PREFIX}/share/java/JAP.jar"  >> ${PREFIX}/bin/jondo
	echo "      if [ -x \"\`which update-menus 2>/dev/null\`\" ]; then" >> ${PREFIX}/bin/jondo
	echo "        update-menus" >> ${PREFIX}/bin/jondo
	echo "      fi" >> ${PREFIX}/bin/jondo
	echo "      exec rm \$0 " >> ${PREFIX}/bin/jondo	
	echo "      ;;" >> ${PREFIX}/bin/jondo
	echo "   --help)" >> ${PREFIX}/bin/jondo
	echo "        $JAVA -XX:-UsePerfData -jar ${PREFIX}/share/java/JAP.jar --help" >> ${PREFIX}/bin/jondo
	echo "        echo \"--remove                     Deletes all installed JonDo files\"" >> ${PREFIX}/bin/jondo							
	echo "      ;;" >> ${PREFIX}/bin/jondo
	echo "   *)" >> ${PREFIX}/bin/jondo
	echo "      $JAVA -Djava.net.preferIPv4Stack=true -XX:-UsePerfData -jar ${PREFIX}/share/java/JAP.jar --noSystemErrorLog \"\$@\" " >> ${PREFIX}/bin/jondo
	echo "      ;;"  >> ${PREFIX}/bin/jondo
	echo "esac"  >> ${PREFIX}/bin/jondo
	echo " "  >> ${PREFIX}/bin/jondo
	chmod +x ${PREFIX}/bin/jondo

	if [ -x "`which update-menus 2>/dev/null`" ]; then
		update-menus
	fi
	echo ""
	echo "Installation successful."
	echo ""
	exit 0
else
	echo ""
	echo "ERROR: No write permission for installpath ${PREFIX}."
	echo "You may specify another installpath with option -i <path>."
	echo ""
	exit 1
fi