#!/bin/bash
# postinst script for jilo-web
#
# see: dh_installdeb(1)

set -e

case "$1" in
    configure)

        # loading debconf
        . /usr/share/debconf/confmodule

        # get the domain and web folder
        db_get jilo-web/domain
        if [ -z "$RET" ] ; then
            db_get jilo-web/domain "localhost"
            db_input critical jilo-web/domain || true
            db_go
            db_get jilo-web/domain
        fi
        DOMAIN=$(echo "$RET" | xargs echo -n)

# FIXME use this for subfolder install, if given
        db_get jilo-web/folder
        WEB_DIR="$RET"

        INSTALL_DIR="/usr/share/jilo-web"
        DOC_DIR="/usr/share/doc/jilo-web"

        # store the info for later reconfiguration
        db_set jilo-web/domain $DOMAIN
        db_set jilo-web/folder $WEB_DIR

        # we need a webserver, check for Apache and Nginx
        WEB_SERVER=""

        # install and enable apache vhost
        if dpkg-query -W -f='${status}' apache2 2>/dev/null | grep -q "ok installed"; then
            WEB_SERVER="apache2"
            cp "${DOC_DIR}/config.apache" /etc/apache2/sites-available/jilo-web.conf
            sed -i -e "s/\$DOMAIN/$DOMAIN/g" /etc/apache2/sites-available/jilo-web.conf
            # there is '/' in INSTALL_DIR, we use '%'
            sed -i -e "s%\$INSTALL_DIR%$INSTALL_DIR%g" /etc/apache2/sites-available/jilo-web.conf
            a2ensite jilo-web.conf
            /etc/init.d/apache2 reload

        # install and enable nginx vhost
        elif dpkg-query -W -f='${status}' nginx 2>/dev/null | grep -q "ok installed"; then
            WEB_SERVER="nginx"
            cp "${DOC_DIR}/config.nginx" /etc/nginx/sites-available/jilo-web
            sed -i -e "s/\$DOMAIN/$DOMAIN/g" /etc/nginx/sites-available/jilo-web
            # there is '/' in INSTALL_DIR, we use '%'
            sed -i -e "s%\$INSTALL_DIR%$INSTALL_DIR%g" /etc/nginx/sites-available/jilo-web
            ln -s /etc/nginx/sites-available/jilo-web /etc/nginx/sites-enabled/
            /etc/init.d/nginx reload
        else
            echo "Nginx or Apache is needed, please install one of them first."
            exit 1
        fi

        # permissions for web folder
        chown -R www-data:www-data "$INSTALL_DIR"
        chmod -R ug+rw "$INSTALL_DIR"

        # stopping debconf
        db_stop
    ;;

    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