#! /bin/sh

set -e

VERSION=1.25.0

if [ "$1" = "configure" ]; then
		#
		# Get mysql started if it isn't
		#
		if ! $(/etc/init.d/mysql status >/dev/null 2>&1); then
			invoke-rc.d mysql start
		fi
		if $(/etc/init.d/mysql status >/dev/null 2>&1); then
			mysqladmin --defaults-file=/etc/mysql/debian.cnf -f reload
			# test if database if already present...
			if ! $(echo quit | mysql --defaults-file=/etc/mysql/debian.cnf zm > /dev/null 2> /dev/null) ; then
			    cat /usr/share/zoneminder/db/zm_create.sql | mysql --defaults-file=/etc/mysql/debian.cnf
			    echo 'grant lock tables, alter,select,insert,update,delete on zm.* to 'zmuser'@localhost identified by "zmpass";' | mysql --defaults-file=/etc/mysql/debian.cnf mysql
			fi

			# get old version from upgrade...
			OLD_ZM_VERSION=${2%-*}
			if [ -z "$OLD_ZM_VERSION" ]; then
				# fall back to getting version from database itself, which may not necessarily be accurate?
				OLD_ZM_VERSION=$(echo 'select Value from Config where Name = "ZM_DYN_CURR_VERSION";' | mysql --defaults-file=/etc/mysql/debian.cnf --skip-column-names zm ) 
			fi
			if [ -n "$OLD_ZM_VERSION" ] && [ "$OLD_ZM_VERSION" != "$VERSION" ] ; then
				echo 'grant lock tables, create, alter on zm.* to 'zmuser'@localhost identified by "zmpass";' | mysql --defaults-file=/etc/mysql/debian.cnf mysql
				# stop zoneminder before performing database upgrade.
				invoke-rc.d zoneminder stop || true
				zmupdate.pl --nointeractive --version $OLD_ZM_VERSION 
			fi

		else
			echo 'NOTE: mysql not running, please start mysql and run dpkg-reconfigure zoneminder when it is running.'
		fi
		chown www-data:www-data /var/log/zm
		chown www-data:www-data /var/lib/zm/
		if [ -z "$2" ]; then
			chown www-data:www-data -R /var/cache/zoneminder
		fi
fi
# Ensure zoneminder is stopped...
if [ -x "/etc/init.d/zoneminder" ]; then
	if invoke-rc.d zoneminder status ; then
		invoke-rc.d zoneminder stop || exit $?
	fi
fi
#DEBHELPER#
