#!/bin/bash
#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

. /usr/share/debconf/confmodule

db_title OFBiz
db_version 2.0
db_capb backup
#DEBHELPER#

if [ -f /usr/share/dbconfig-common/dpkg/config ]; then
	dbc_dbuser="ofbiz"
	dbc_dbname="ofbiz"
	dbc_dbtype="pgsql"
	dbc_dbtypes="pgsql, mysql, derby, hsql"
	#dbc_authmethod_admin="ident"
	dbc_authmethod_user="password"
	. /usr/share/dbconfig-common/dpkg/config
	dbc_go ofbiz $@
fi
if [ -r "/etc/ofbiz/dbc-debconf.cfg" ]; then
	. "/etc/ofbiz/dbc-debconf.cfg"
fi
set_if() {
	if [ "$2" ]; then
		db_set "$1" "$2"
		return 0
	fi
	return 1;
}
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 2>/dev/null | 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
}
if [ -r "/etc/ofbiz/debconf.cfg" ]; then
	eval `sed -n 's/^ofbiz\.admin\.\(port\|key\)=\(.*\)/ofbiz_admin_\1=\2;/p' "/etc/ofbiz/debconf.cfg" `
fi
if [ "z" = "z$ofbiz_admin_port" ]; then
	ofbiz_admin_port="10523"
fi
#env LANG=C LC_ALL=C sed -n -e 's/[^[:alnum:]]//g;p;q' < /dev/urandom | cut -b1-12
#db_set ofbiz/admin-password ofbiz || true
set_if ofbiz/admin-user "$ofbiz_admin_user" || true
set_if ofbiz/admin-port "$ofbiz_admin_port" || true
cmd="$1"
shift
version="$2"
shift || true

ofb_dc_admin_user() {
	db_input high ofbiz/admin-user || true
}
ofb_dc_admin_port() {
	db_input low ofbiz/admin-port || true
}
ofb_dc_get_dbcc() {
	. /etc/dbconfig-common/ofbiz.conf
}
ofb_dc_postgresql_fieldtype() {
	if [ "$dbc_dbtype" = "pgsql" ]; then
		db_input low ofbiz/fieldtype/postgres || true
	fi
}
declare -a ofb_dc_list
ofb_dc_list=(
	ofb_dc_admin_user
	ofb_dc_admin_port
#	ofb_dc_get_dbcc
	ofb_dc_postgresql_fieldtype
)

case "$cmd" in
	(configure|reconfigure)
		STATE=0
		while :; do
			[[ $STATE = -1 ]] && exit 10
			[[ $STATE = ${#ofb_dc_list[*]} ]] && break
			${ofb_dc_list[$STATE]}
			if db_go; then
				STATE=$(($STATE + 1))
			else
				STATE=$(($STATE - 1))
			fi
		done
	;;
esac
get ofbiz_admin_port ofbiz/admin-port
db_stop

if [ "z" = "z$ofbiz_admin_port" ]; then
	ofbiz_admin_port="10523"
fi
if [ "z" = "z$ofbiz_admin_key" ]; then
	ofbiz_admin_key="$(get_random_chars 32)"
fi
if [ -e "/etc/ofbiz/debconf.cfg" ]; then
	sed -i \
		-e "s/^ofbiz.admin.port=\".*\"\$/ofbiz.admin.port=\"$ofbiz_admin_port\"/" \
		-e "s/^ofbiz.admin.key=\".*\"\$/ofbiz.admin.key=\"$ofbiz_admin_key\"/" \
		"/etc/ofbiz/debconf.cfg"
else
	cat > "/etc/ofbiz/debconf.cfg.new" << _EOF_
ofbiz.admin.port=$ofbiz_admin_port
ofbiz.admin.key=$ofbiz_admin_key
_EOF_
	chmod 640 "/etc/ofbiz/debconf.cfg.new"
	mv "/etc/ofbiz/debconf.cfg.new" "/etc/ofbiz/debconf.cfg"
fi