#!/bin/sh
#Licensed to the Apache Software Foundation (ASF) under one
#or more contributor license agreements.  See the NOTICE file
#distributed with this work for additional information
#regarding copyright ownership.  The ASF licenses this file
#to you under the Apache License, Version 2.0 (the
#"License"); you may not use this file except in compliance
#with the License.  You may obtain a copy of the License at
#
#http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing,
#software distributed under the License is distributed on an
#"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
#KIND, either express or implied.  See the License for the
#specific language governing permissions and limitations
#under the License.

set -e

: "$0" "$@"
JAVA_HOME=""
JAVA_HOMES="/usr/lib/jvm/java-6-openjdk"
for possible in $JAVA_HOMES; do
	if [ -e "$possible/bin/java" ]; then
		JAVA_HOME="$possible"
		break
	fi
done
if ! [ "$JAVA_HOME" ]; then
	echo "Couldn't find a java."
	echo "Tried $JAVA_HOMES"
	exit 1
fi
JAVA="$JAVA_HOME/bin/java"

encrypt_password() {
	(
		cd /usr/share/ofbiz
		"$JAVA" -classpath framework/base/build/lib/ofbiz-base.jar:framework/common/build/lib/ofbiz-common.jar:framework/base/config:framework/entity/build/lib/ofbiz-entity.jar:framework/base/lib/javolution.jar:framework/base/lib/commons/commons-collections.jar:framework/base/lib/jdbm.jar:framework/base/lib/log4j.jar:framework/security/config:support EncryptPassword "$1"
	)
}
munge_conffile() {
	tmp="$1"
	source="$2"
	case "$source" in
		(framework/entity/config/entityengine.xml)
			. /etc/dbconfig-common/ofbiz.conf
			xalan \
				-xsl "/usr/share/ofbiz/support/entityengine.xslt" \
				-in "/usr/share/ofbiz/ucf/$source" \
				-param dbtype "'$dbc_dbtype'" \
				-param dbuser "'$dbc_dbuser'" \
				-param dbpass "'$dbc_dbpass'" \
				-param dbserver "'$dbc_dbserver'" \
				-param dbport "'$dbc_dbport'" \
				-param dbname "'$dbc_dbname'" > $tmp
		;;
		(*)
			echo "Unknown file: $source"
			exit 1
		;;
	esac
}
configure_ofbiz() {
	extra=""
	: ofbiz_readers "$ofbiz_readers"
	: ofbiz_import_readers "$ofbiz_import_readers"
	: ofbiz_override_data "$ofbiz_override_data"
	if [ "$ofbiz_readers" ]; then
		if [ "$ofbiz_import_readers" ]; then
			extra="$extra -readers=\"$ofbiz_readers\""
		fi
		if [ "$ofbiz_override_data" ]; then
			trap 'rm -f "$tempfile1" "$tempfile2"' EXIT
			tempdir="$(mktemp -d)"
			chown ofbiz:ofbiz "$tempdir"
			trap 'rm -rf "$tempdir"' EXIT
			files=""
			{
				IFS="," set -- $ofbiz_readers
				while [ $# -gt 0 ]; do
					if true; then
						xalan -q \
						-param reader "'$1'" \
						-param password "'$ofbiz_password_encrypted'" \
						-param ofbizhome "'/usr/share/ofbiz'" \
						-xsl "/usr/share/ofbiz/support/override-data.xslt" \
						-in "/usr/share/ofbiz/framework/base/config/component-load.xml" \
						-out "$tempdir/reader-$1.xml"
					chown ofbiz:ofbiz "$tempdir/reader-$1.xml"
					fi
					if [ "$files" ]; then
						files="$files,$tempdir/reader-$1.xml"
					else
						files="$tempdir/reader-$1.xml"
					fi
					shift
				done
			}
			trap '' EXIT
			if [ "$files" ]; then
				extra="$extra -file=\"$files\""
			fi
		fi
		eval /etc/init.d/ofbiz install $extra
	fi
	#rm -f "$tempfile1" "$tempfile2"
}
fix_readers() {
	IFS=", " set -- "$@"
	while [ $# -gt 0 ]; do
		echo -n "$1"
		shift
		if [ $# -gt 0 ]; then
			echo ','
		fi
	done
}
get_random_chars() {
	(
		LANG=C
		LC_ALL=C
		length="$1"
		chars=""
		while :; do
			needed_length=$((${length} - ${#chars}))
			chars="$chars$(dd if=/dev/urandom count="${needed_length}" bs=1 | sed -n -e 's/[^[:alnum:]]//g;p;q')"
			if [ "${#chars}" -ge "$length" ]; then
				break
			fi
		done
		echo $chars
	)
}
get() {
	var_name="$1"
	debconf_name="$2"
	shift 2
	if db_get "$debconf_name"; then
		if eval ! [ "\"\$$var_name\" = \"\$RET\"" ]; then
			while [ $# -gt 0 ]; do
				eval $1=1
				shift
			done
			eval $var_name=\"\$RET\"
		fi
	else
		echo "Couldn't fetch '$debconf_name' from debconf!"
		exit 1
	fi
}
start_ofbiz() {
	if [ -x "/etc/init.d/ofbiz" ]; then
		if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
			invoke-rc.d ofbiz start || exit $?
		else
			/etc/init.d/ofbiz start || exit $?
		fi
	fi
}
stop_ofbiz() {
	if [ -x "/etc/init.d/ofbiz" ]; then
		if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
			invoke-rc.d ofbiz stop || exit $?
		else
			/etc/init.d/ofbiz stop || exit $?
		fi
	fi
}

. /usr/share/debconf/confmodule
. /usr/share/dbconfig-common/dpkg/postinst
dbc_generate_include=sh:/etc/ofbiz/debconf.cfg
[ "$1" != "triggered" ] && dbc_go ofbiz "$@"
if [ -e /etc/ofbiz/debconf.cfg ]; then
	ofbiz_admin_key=""
	. /etc/ofbiz/debconf.cfg
else
	ofbiz_admin_key="$(get_random_chars 32)"
	ofbiz_readers=""
	ofbiz_admin_port=""
fi

if [ "$1" = "triggered" ]; then
	for trigger in $2; do
		case "$trigger" in
			(ofbiz-start)
				start_ofbiz
				;;
			(ofbiz-install|ofbiz-upgrade)
				ofbiz_reseed=""
				if [ "$trigger" = "ofbiz-install" ]; then
					ofbiz_reseed=1
					ofbiz_import_readers=1
				fi
				get ofbiz_readers ofbiz/readers ofbiz_import_readers ofbiz_reseed
				if [ "z" = "z$ofbiz_readers" ]; then
					ofbiz_readers="seed"
				else
					ofbiz_readers="seed,$ofbiz_readers"
				fi
				ofbiz_readers="$(fix_readers "$ofbiz_readers")"
				get ofbiz_admin_port ofbiz/admin-port
				stop_ofbiz
				if [ "z" != "z$ofbiz_reseed" ]; then
					echo "Need to modify ofbiz data." 1>&2
					configure_ofbiz
				fi
				dpkg-trigger --no-await ofbiz-start
				;;
		esac
	done
	db_stop
	exit 0
fi

ofbiz_reseed=""
case "$1" in
	(configure|reconfigure)
		if [ "$2" ]; then
			dpkg-trigger --no-await ofbiz-upgrade
		else
			dpkg-trigger --no-await ofbiz-install
			if ! getent passwd ofbiz 2>/dev/null >/dev/null; then
				adduser --quiet --group --no-create-home --system --shell /bin/sh --home /var/lib/ofbiz ofbiz
			fi
			dpkg-statoverride --update --add ofbiz ofbiz 755 /var/lib/ofbiz
		fi
	;;
esac
#DEBHELPER#
db_stop
exit