#!/bin/bash -e

. /usr/share/debconf/confmodule
db_version 2.0
db_capb backup
db_title Apache 2.2 mod-mono

tempfile=`/bin/tempfile`

# Figure out which module we want to connect to
USE_MONO_SERVER=none

if [ -x /usr/bin/mod-mono-server2 ]; then
    USE_MONO_SERVER=mod-mono-server2
fi

if [ -x /usr/bin/mod-mono-server4 ]; then
    if [ -x /usr/bin/mod-mono-server2 ]; then
	USE_MONO_SERVER=ask
    else
	USE_MONO_SERVER=mod-mono-server4
    fi
fi

# See if we need to ask questions
if [ "x$USE_MONO_SERVER" = "xask" ]; then
    # Loop until we get a proper response
    STATE=1
    
    while [ "$STATE"  != 0 -a "$STATE" != 2 ]; do
	case "$STATE" in
	    1)
		db_input medium libapache2-mod-mono/mono-server || true
		if db_go; then
		    db_get libapache2-mod-mono/mono-server || true
		    USE_MONO_SERVER=$RET
		    STATE=2
		else
		    STATE=0
		fi
		;;
	esac
    done

    if [ "$STATE" = 0 ]; then
	exit 1
    fi
fi

# Change the includes as appropriate
MONO_CONF=/etc/apache2/mods-available/mod_mono.conf

# Exit without an error if the user has deleted their config for some reason
# We can't merely create a new config here, as it breaks conffile tracking
if [ ! -e "$MONO_CONF" ]; then
    exit 0
fi

case "$USE_MONO_SERVER" in
    none)
	# Can't find anything
	echo "Either mono-apache-server2 or mono-apache-server4 needs "
	echo "to be installed."
	exit 1
	;;
    mod-mono-server2)
	echo "Using mono-apache-server2..."
	sed 's@^Include.*$@Include /etc/mono-server2/mono-server2-hosts.conf@' \
	    < $MONO_CONF > $tempfile
	cp -f $tempfile $MONO_CONF
	rm -f $tempfile
	;;
    mod-mono-server4)
	echo "Using mono-apache-server4..."
	sed 's@^Include.*$@Include /etc/mono-server4/mono-server4-hosts.conf@'\
	    < $MONO_CONF > $tempfile
	cp -f $tempfile $MONO_CONF
	rm -f $tempfile
	;;
esac