#!/bin/bash

# Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

. /usr/share/debconf/confmodule

create_temp_mysql_gpg_file () {
	cat <<EOF > $1
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1
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=Xqbo
-----END PGP PUBLIC KEY BLOCK-----
EOF
	chmod 400 $1
}
remove_temp_mysql_gpg_file () {
	if [ -f "$1" ];
	then
		rm -f $1
	fi
}


save_settings() {
	set -e

	SERVER=0
	TOOLS=1
	PREVIEW=2
	db_get mysql-apt-config/repo-distro && DISTRO=$RET
	db_get mysql-apt-config/repo-codename && PLATFORM=$RET
	db_get mysql-apt-config/repo-url && REPO_URL_BASE=$RET
	if [ ! "${DISTRO}" = "ubuntu" -a ! "${DISTRO}" = "debian" ];
	then
		echo "Unsupported distribution ${DISTRO}"
		echo "To manually select package repository, please run dpkg-reconfigure mysql-apt-config"
		exit 0
	fi
	REPO_URL="${REPO_URL_BASE}/${DISTRO}/"

	db_get mysql-apt-config/select-server		&& SELECT[${SERVER}]=$RET
	db_get mysql-apt-config/select-tools		&& SELECT[${TOOLS}]=$RET
	db_get mysql-apt-config/select-preview		&& SELECT[${PREVIEW}]=$RET
	DEB[${SERVER}]=""
	DEB[${TOOLS}]=""
	DEB[${PREVIEW}]=""

	DEB_SRC[${SERVER}]=""
	DEB_SRC[${TOOLS}]=""
	DEB_SRC[${PREVIEW}]=""

	if [ -z "${SELECT[${SERVER}]}" ] || [ "${SELECT[${SERVER}]}" = "${NULL}" ];
	then
		DEB[${SERVER}]="# deb ${REPO_URL} ${PLATFORM} mysql-5.7"
		DEB_SRC[${SERVER}]="# deb-src ${REPO_URL} ${PLATFORM} mysql-5.7"
	else
		DEB[${SERVER}]="deb ${REPO_URL} ${PLATFORM} ${SELECT[${SERVER}]}"
		DEB_SRC[${SERVER}]="deb-src ${REPO_URL} ${PLATFORM} ${SELECT[${SERVER}]}"
	fi

	if [ "${SELECT[${TOOLS}]}" = "Enabled" ];
	then
		DEB[${TOOLS}]="deb ${REPO_URL} ${PLATFORM} mysql-tools"
	else
		DEB[${TOOLS}]="#deb ${REPO_URL} ${PLATFORM} mysql-tools"
	fi

	if [ "${SELECT[${PREVIEW}]}" = "Enabled" ];
	then
		DEB[${PREVIEW}]="deb ${REPO_URL} ${PLATFORM} mysql-tools-preview"
	else
		DEB[${PREVIEW}]="#deb ${REPO_URL} ${PLATFORM} mysql-tools-preview"
	fi

	cat <<EOF > /etc/apt/sources.list.d/mysql.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out entries below, but any other modifications may be lost.
# Use command 'dpkg-reconfigure mysql-apt-config' as root for modifications.
deb ${REPO_URL} ${PLATFORM} mysql-apt-config
${DEB[${SERVER}]}
${DEB[${TOOLS}]}
${DEB[${PREVIEW}]}
${DEB_SRC[${SERVER}]}
EOF
	set +e
}

case "$1" in
	configure)

	GPG_FILE=`mktemp`
	create_temp_mysql_gpg_file $GPG_FILE
	apt-key add $GPG_FILE
	remove_temp_mysql_gpg_file $GPG_FILE

	save_settings

	;;

	reconfigure)

	save_settings

	;;
esac