#!/bin/bash

# Copyright (c) 2014, 2022, 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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=h5nH
-----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
	SIGNEDBY="[signed-by=/usr/share/keyrings/mysql-apt-config.gpg]"
	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 ${SIGNEDBY} ${REPO_URL} ${PLATFORM} mysql-5.7"
		DEB_SRC[${SERVER}]="# deb-src ${SIGNEDBY} ${REPO_URL} ${PLATFORM} mysql-5.7"
	else
		DEB[${SERVER}]="deb ${SIGNEDBY} ${REPO_URL} ${PLATFORM} ${SELECT[${SERVER}]}"
		DEB_SRC[${SERVER}]="deb-src ${SIGNEDBY} ${REPO_URL} ${PLATFORM} ${SELECT[${SERVER}]}"
	fi

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

	if [ "${SELECT[${PREVIEW}]}" = "Enabled" ];
	then
		DEB[${PREVIEW}]="deb ${SIGNEDBY} ${REPO_URL} ${PLATFORM} mysql-tools-preview"
	else
		DEB[${PREVIEW}]="#deb ${SIGNEDBY} ${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 ${SIGNEDBY} ${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
	cat $GPG_FILE | gpg -o /usr/share/keyrings/mysql-apt-config.gpg --dearmor
	remove_temp_mysql_gpg_file $GPG_FILE

	save_settings

	;;

	reconfigure)

	save_settings

	;;
esac