#!/bin/bash
set -e

if [ "$#" -ne 2 ]; then
    echo "Usage: server-maintenance.sh on|off <webroot>"
    exit 1
fi

MODE="$1"
WEBROOT="$2"
CONFIG="$WEBROOT/user/config/system.yaml"

if [ "$MODE" != "on" ] && [ "$MODE" != "off" ]; then
    echo "Usage: server-maintenance.sh on|off <webroot>"
    exit 1
fi

[ -f "$CONFIG" ] || { echo "Not found: $CONFIG"; exit 1; }

VALUE="false"
[ "$MODE" = "on" ] && VALUE="true"

if grep -q "^[[:space:]]*offline:" "$CONFIG"; then
    sed -i "s/^\([[:space:]]*\)offline: .*/\1offline: $VALUE/" "$CONFIG"
else
    printf '\npages:\n  offline: %s\n' "$VALUE" >> "$CONFIG"
fi

echo "Maintenance mode: $MODE (offline: $VALUE)"