#!/bin/sh

set -e

# Source debconf library.
. /usr/share/debconf/confmodule
db_version 2.0

#
# Skip, if we are not in "configure" or "reconfigure" state
#
if [ "$1" != "configure" ] && [ "$1" != "reconfigure" ]; then
	exit 0
fi

#
# retrieve various configuration options from debconf
#
db_get colplot/webserver
WWWTYPE="$RET"

# done with debconf...
db_stop

# Only create link and grant permissions on first install
if [ ! -n "$2" ] ; then
    chown -R www-data:www-data /usr/share/colplot/site
    ln -sf /usr/bin/colplot /usr/share/colplot/site/index.cgi
fi

# Update the webserver, if needed
case $WWWTYPE in
    apache2)
	if [ -e /etc/apache2/conf-available/colplot.conf ] ; then
		ucf --debconf-ok /usr/share/colplot/conf_templates/colplot.apache.conf /etc/apache2/conf-available/colplot.conf
		ucfr colplot /etc/apache2/conf-available/colplot.conf
		if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
	    		. /usr/share/apache2/apache2-maintscript-helper
	    		apache2_invoke enconf colplot
		else
	    		echo "Apache2 not installed, skipping"
		fi
	else
	    echo "Apache2 not installed, skipping"
	fi
	;;
    lighttpd)
	ucf --debconf-ok /usr/share/colplot/conf_templates/colplot.lighttpd.conf /etc/lighttpd/conf-available/20-colplot.conf
	ucfr colplot /etc/lighttpd/conf-available/20-colplot.conf
	if [ -e /etc/lighttpd/conf-available/20-colplot.conf ] ; then
	    if which lighty-enable-mod >/dev/null 2>&1 ; then
		lighty-enable-mod colplot || \
                    if [ "$?" != "2" ] ; then exit 1 ; else true ; fi
	    else
		echo "Lighttpd not installed, skipping"
	    fi
	fi
	;;
    *)
	;;
esac

# Always trigger reload of webservers if the configuration is enabled
if [ -e /etc/apache2/conf.d/colplot.conf -o -e /etc/apache2/conf-enabled/colplot.conf ] ; then
    invoke-rc.d apache2 reload || true
fi
if [ -e /etc/lighttpd/conf-enabled/20-colplot.conf ] ; then
    invoke-rc.d lighttpd reload 3>/dev/null || true
fi


exit 0