#!/bin/bash
set -euo pipefail

TOPIC="${1:-}"
TITLE="${2:-}"
MESSAGE="${3:-}"
PRIORITY="${4:-default}"

if [ -z "$TOPIC" ] || [ -z "$TITLE" ] || [ -z "$MESSAGE" ]; then
  echo "Usage: $0 <topic> <title> <message> [priority]" >&2
  exit 1
fi

NTFY_URL="${NTFY_URL:-https://ntfy.kaleschke.info}"

curl -fsS \
  -H "Title: $TITLE" \
  -H "Priority: $PRIORITY" \
  -d "$MESSAGE" \
  "$NTFY_URL/$TOPIC" >/dev/null