SHORT_OPTS=":vfdhi"
LONG_OPTS="version,force,debug,iso,help"

KERNEL="kernel-preboot-latest"
INITRAMFS="initramfs-default"
PBSI=$ROOT_DIR/installer/pbstick-installer

LOG_DIR="/tmp/pbmtk"

run_module_checks () {
	
	if [ ! -z $1 ]; then
	    perror "Too many parameters. \n"
	    print_usage
	    exit 1
	fi
	
	if [ -z $(which uuencode) ]; then
	    perror "'uuencode' is missing (if you are on a debian/ubuntu system: apt-get install sharutils)"
	    exit 1
	fi
}

init_params () {
	FORCE=0
	DEBUG=0
}

print_usage() {
  echo "Usage: $(basename $SELF) installer [OPTIONS]"
  echo -e "  -d  --debug   \t give more debug output"
  echo -e "  -i  --iso     \t include code for ISO generation"
  echo -e "  -f  --force   \t don't ask questions"
  echo -e "  -h  --help    \t print help"
  echo -e "  -v  --version \t print version information"
}

read_params() {
	getopt_start $@
	
	eval set -- "$GETOPT_TEMP"
	
	while true ; do
	        case "$1" in
	                -v|--version)
	                     echo  "OpenSLX PreBoot .. ($VERSION - $VDATE)."
	                     exit 0
	                   ;;
	                -h|--help)
	                     print_usage
	                     exit 0
	                   ;;
	                -i|--iso) pinfo "ISO mode not yet finished .. skipping."; shift ;;
	                -f|--force) pinfo "Disable user-interaction."; FORCE=1; shift ;;
	                -d|--debug) pinfo "Enabled debugmode."; DEBUG=1; unset_quiet; shift ;;
	                --) shift ; break ;;
	                *) perror "Internal error!" ; exit 1 ;;
	        esac
	done
}

pre_start_cleanup () {
	pinfo "Cleanup installer tmp."
	rm -rfv $ROOT_DIR/installer/tmp
	rm -fv  $ROOT_DIR/installer/stick-payload.tar.bz2
}

setup_dir_structure () {
	pinfo "Create dir structure."
	mkdir -p $ROOT_DIR/installer/tmp/share \
	         $ROOT_DIR/installer/tmp/bin \
	         $ROOT_DIR/installer/tmp/boot
}

copy_files () {
	pinfo "Copy required files."
	cp -fv $SYSLINUX/mbr/mbr.bin $ROOT_DIR/installer/tmp/share
	cp -fv $SYSLINUX/linux/syslinux $ROOT_DIR/installer/tmp/bin
	
	cp -fv $ROOT_DIR/build/$KERNEL $ROOT_DIR/installer/tmp/boot/kernel
	
	cp -fv $ROOT_DIR/build/$INITRAMFS $ROOT_DIR/installer/tmp/boot/initramfs
	
	cp -fv $SYSLINUX/com32/menu/menu.c32 $ROOT_DIR/installer/tmp/boot/
	cp -fv $SYSLINUX/com32/menu/vesamenu.c32 $ROOT_DIR/installer/tmp/boot/
	cp -fv $ROOT_DIR/config/extlinux/* $ROOT_DIR/installer/tmp/boot/
	mv -v $ROOT_DIR/installer/tmp/boot/extlinux.conf $ROOT_DIR/installer/tmp/boot/syslinux.cfg

}

create_payload () {
	pinfo "Create payload."
	cd $ROOT_DIR/installer/tmp/
	tar cjfv ../stick-payload.tar.bz2 *
	cd $ROOT_DIR
}

create_installer () {
	pinfo "Complete installer."
	cat $ROOT_DIR/installer/tpl/installer.tpl.sh > $PBSI
	echo "PAYLOAD:" >> $PBSI
	cat $ROOT_DIR/installer/stick-payload.tar.bz2 | uuencode - >> $PBSI
	chmod +rx $PBSI
}


run () {
	set_quiet
	
	pre_start_cleanup
	setup_dir_structure	
	copy_files
	create_payload
	create_installer
	
	unset_quiet
	
	pinfo "FINISHED: Installer can be found here: $PBSI!"	
}