#!/bin/sh
# postinst script for php5-lliurex-compat
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package
NOW=$(date +'%Y%m%d%h%m')
setup_apache(){
    INST="/etc/apache2-lliurex"
    FILES="ports.conf apache2.conf envvars"
    IS_DONE=0
    for file in $FILES; do
	if [ -f ${INST}/${file} ]; then
	    IS_DONE=1
	fi
    done
    if [ ${IS_DONE} -eq 1 ]; then 
	    echo "Apache2 multi-instance seems already configured, skipping multi-instance configuration"
	    return
    fi
    
    echo "Setting up apache multi-instance"
    if [ ! -f /usr/share/doc/apache2/examples/setup-instance ]; then
	echo "ERROR: setup-instance from apache2 not found !!!"
	exit 1
    fi
    if [ -d /etc/apache2-lliurex ]; then
	mv /etc/apache2-lliurex /etc/apache2-lliurex-${NOW}
    fi
    bash /usr/share/doc/apache2/examples/setup-instance lliurex
}
fix_apache_envvars(){
    FILE="/etc/apache2-lliurex/envvars"
    rc=0
    grep "APACHE_PID_FILE" $FILE | grep "lliurex" || rc=1
    if [ $rc -eq 1 ]; then
        sed -i "s/export APACHE_PID_FILE=\/var\/run\/apache2\/apache2\$SUFFIX.pid/export APACHE_PID_FILE=\/var\/run\/apache2-lliurex\/apache2\$SUFFIX.pid/g" $FILE
    fi

}
change_ports(){
    echo "Changing default ports from 80 -> 800 & 443 -> 4430 in apache-lliurex"
    if [ ! -d /etc/apache2-lliurex ]; then
	echo "ERROR: /etc/apache2-lliurex not found !!!"
	exit 1
    fi

    sed -i -r 's/80( |$)/800/g' /etc/apache2-lliurex/ports.conf
    sed -i -r 's/443( |$)/4430/g' /etc/apache2-lliurex/ports.conf
    for site in /etc/apache2-lliurex/sites-available/*.conf; do
	tst80=$(egrep ':80' ${site}|wc -l)
	tst443=$(egrep ':443' ${site}|wc -l)
	if [ ${tst80} -ne 0 ]; then
	    echo "Fixing port 80 in site: " ${site}
	    sed -i -r 's/\*:80/\*:800/g' ${site}
	fi
	if [ ${tst443} -ne 0 ]; then
	    echo "Fixing port 443 in site: " ${site}
	    sed -i -r 's/\*:443/\*:4430/g' ${site}
	fi
    done;
}
fix_mods(){
    echo "Fixing php modules in apache & apache-lliurex"
    #which fails into zmd
    if [ -x /usr/sbin/a2dismod ]; then
	DISMOD="/usr/sbin/a2dismod"
    else
	DISMOD=`/usr/bin/which a2dismod`
    fi
    if [ -L /usr/local/sbin/a2dismod-lliurex ]; then
	DISMOD_LLIUREX=/usr/local/sbin/a2dismod-lliurex
    else
	DISMOD_LLIUREX=`/usr/bin/which a2dismod-lliurex`
	if [ -z ${DISMOD_LLIUREX} ]; then
	    ln -s /usr/sbin/a2dismod /usr/local/sbin/a2dismod-lliurex
	    DISMOD_LLIUREX=/usr/local/sbin/a2dismod-lliurex
	fi
	
    fi

    if [ -L /usr/local/sbin/a2enmod-lliurex ]; then
	ENMOD_LLIUREX=/usr/local/sbin/a2enmod-lliurex
    else
	ENMOD_LLIUREX=`/usr/bin/which a2enmod-lliurex`
	if [ -z ${ENMOD_LLIUREX} ]; then
	    ln -s /usr/sbin/a2enmod /usr/local/sbin/a2enmod-lliurex
	    ENMOD_LLIUREX=/usr/local/sbin/a2enmod-lliurex
	fi
	
    fi
    
    echo "Using: ${DISMOD_LLIUREX} & ${DISMOD} & ${ENMOD_LLIUREX}"
    if [ -L /etc/apache2-lliurex/mods-enabled/php7.0.load ]; then
	echo "Disabling php7 into apache2-lliurex instance"
	${DISMOD_LLIUREX} php7.0 
    fi
    if [ -L /etc/apache2/mods-enabled/php5.load ]; then
	echo "Disabling php5 into apache2 instance"
        ${DISMOD} php5 
    fi
    if [ -f /etc/apache2-lliurex/mods-available/php7.0.conf ]; then
	mv /etc/apache2-lliurex/mods-available/php7.0.conf /etc/apache2-lliurex/mods-available/php7.0.conf.disabled
    fi
    if [ -f /etc/apache2-lliurex/mods-available/php7.0.load ]; then
	mv /etc/apache2-lliurex/mods-available/php7.0.load /etc/apache2-lliurex/mods-available/php7.0.load.disabled
    fi
    if [ -f /etc/apache2/mods-available/php5.conf ]; then
	mv /etc/apache2/mods-available/php5.conf /etc/apache2/mods-available/php5.conf.disabled
    fi
    if [ -f /etc/apache2/mods-available/php5.load ]; then
	mv /etc/apache2/mods-available/php5.load /etc/apache2/mods-available/php5.load.disabled
    fi
    TST=""
    if [ ! -f /etc/apache2/mods-available/php5.conf -o ! -f /etc/apache2/mods-available/php5.load ]; then
	TST=$(ls /etc/apache2/mods-available|grep php5)
	if [ ! -z "${TST}" ]; then
	    for x in ${TST}; do 
		cp /etc/apache2/mods-available/${x} /etc/apache2-lliurex/mods-available/${x%%.disabled}
	    done
	fi
    fi
    if [ -e /etc/apache2-lliurex/mods-available/php5.load -a ! -e /etc/apache2-lliurex/mods-enabled/php5.load ]; then
	echo "Enabling php5 into apache2-lliurex instance"
        ${ENMOD_LLIUREX} php5 
    fi
}

case "$1" in
    configure)
	if [ -f /tmp/debug_compat ]; then
    	    set -x
	fi
	
	if [ ! -e /etc/init.d/apache2-lliurex ]; then
	
		setup_apache
		change_ports
		fix_apache_envvars
		fix_mods
		echo "Enabling multi-site services"
		systemctl enable apache2-lliurex
		systemctl daemon-reload
		systemctl restart apache2-lliurex
		systemctl restart apache2
		
	fi
	
	
	if dpkg --compare-versions "$2" lt 0.7; then
	
		FILE="/etc/apache2-lliurex/envvars"
	    	    
		if [ -e $FILE ]; then
			rc=0
			grep "APACHE_PID_FILE" $FILE | grep "lliurex" || rc=1
			if [ $rc -eq 1 ]; then
				sed -i "s/export APACHE_PID_FILE=\/var\/run\/apache2\/apache2\$SUFFIX.pid/export APACHE_PID_FILE=\/var\/run\/apache2-lliurex\/apache2\$SUFFIX.pid/g" $FILE
				systemctl restart apache2-lliurex || true
			fi
		    
		fi

        fi

	
	
	if [ -f /tmp/debug_compat ]; then
	    set +x
	fi
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0