#!/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"

        # 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=""
        if dpkg-query -W -f='${status}' apache2 2>/dev/null | grep -q "ok installed"; then
            WEB_SERVER="apache2"
        elif
            WEB_SERVER="nginx"
        else
            echo "Nginx or Apache is needed, please install one of them first."
            exit 1
        fi

        # finish configuration depending on web server
        if [ "$WEB_SERVER" = "apache2" ]; then

            # vhost file
            VHOST_APACHE="/etc/apache2/sites-available/jilo-web.conf"
            cat <<EOF > "$VHOST_APACHE"
<VirtualHost *:80>
    ServerName $DOMAIN
    DocumentRoot $INSTALL_DIR

    CustomLog \${APACHE_LOG_DIR}/jilo-web_access.log combined
    ErrorLog \${APACHE_LOG_DIR}/jilo-web_error.log
</VirtualHost>
EOF

            # enable vhost and reload
            a2ensite jilo-web.conf
            /etc/init.d/apache2 reload

        elif [ "$WEB_SERVER" = "nginx" ]; then

            # vhost file
            VHOST_NGINX="/etc/nginx/sites-available/jilo-web"
            cat <<EOF > "$VHOST_NGINX"
server {
    listen 80;
    server_name $DOMAIN;

    root $INSTALL_DIR;
    index index.php;

    location / {
        try_files \$uri \$uri/ /index.php?\$args;
    }

    location ~ /\.ht {
        deny all;
    }
}
EOF

            # enable vhost and reload
            ln -s /etc/nginx/sites-available/jilo-web /etc/nginx/sites-enabled/
            /etc/init.d/nginx reload

        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