#!/usr/bin/env bash
# Exit if any errors pop up
set -e

# Remove sock
rm -f /run/mysqld/mysqld.sock

# Abort if setup hasn't been completed yet
if [ ! -d /var/lib/mysql/mysql/ ]
then
	echo "MariaDB does not appear to be properly installed. Exiting..."
	exit 1
fi

# Function to wait for temporary mariadb to be ready
function wait_for_mariadb_start
{
	# Start mariadb
	mariadbd-safe --user=root --datadir=/var/lib/mysql/ &
    until mariadb --user=root --database=mysql -e "show tables;" >/dev/null
    do
        sleep 1
    done
}
# Function to wait for mariadb to fully exit
function wait_for_mariadb_stop
{
    mariadb --user=root -e "shutdown;"
    until ! mariadb --user=root --database=mysql -e "show tables;" >/dev/null
    do
        sleep 1
    done
}

# Roundcube database
if [ ! -d /var/lib/mysql/${MYVEMAIL_ROUNDCUBE_DBNAME}/ ]
then
	wait_for_mariadb_start

	mariadb -u root <<- ROUNDCUBE
	CREATE DATABASE ${MYVEMAIL_ROUNDCUBE_DBNAME} CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
	GRANT ALL PRIVILEGES ON ${MYVEMAIL_ROUNDCUBE_DBNAME}.* TO '${MYVEMAIL_ROUNDCUBE_DBUSER}'@'localhost' IDENTIFIED BY '${MYVEMAIL_ROUNDCUBE_DBPASS}';
	flush privileges;
	ROUNDCUBE
	mariadb ${MYVEMAIL_ROUNDCUBE_DBNAME} </usr/share/webapps/roundcube/SQL/mysql.initial.sql

	wait_for_mariadb_stop
fi

# Postfixadmin database
if [ ! -d /var/lib/mysql/${MYVEMAIL_POSTFIXADMIN_DBNAME}/ ]
then
	wait_for_mariadb_start
	mariadb -u root <<- POSTFIXADMIN
	CREATE DATABASE ${MYVEMAIL_POSTFIXADMIN_DBNAME};
	GRANT ALL PRIVILEGES ON ${MYVEMAIL_POSTFIXADMIN_DBNAME}.* to '${MYVEMAIL_POSTFIXADMIN_DBUSER}'@'localhost' IDENTIFIED BY '${MYVEMAIL_POSTFIXADMIN_DBPASS}';
	flush privileges;
	POSTFIXADMIN

	wait_for_mariadb_stop
fi

# Start mariadb
mariadbd --user=root \
	--datadir=/var/lib/mysql/ \
	--pid-file=/run/mysqld/mysqld.pid &