#!/bin/bash
set -euo pipefail  # Strikte Fehlerbehandlung

# Check für Parameter
if [ -z "$1" ]; then
    echo "Usage: $0 <minutes>"
    exit 1
fi

MINS="$1"  # Quote für safety
CREDS=$(cat /root/secret/ntfy.txt || exit 1)  # Explizites error handling
TOPIC="KX8E5dbho7Q4VUVi-feed"

# Sende Notification
if ! curl -f -s \
    -u "$CREDS" \
    -d "Homeserver fährt in $MINS Minuten runter." \
    -H "Title: Server Shutdown" \
    -H "Priority: high" \
    https://ntfy.sh/$TOPIC; then
    echo "Failed to send notification"
    exit 1
fi

# Warte auf Zustellung
sleep 5

# Führe Shutdown aus
shutdown "$MINS"