#!/usr/bin/env bash
# UPTIME-PROBE-SENTINEL-9c2f — phase 56 fixture marker: this token exists
# nowhere else, so the extension_kb rows are unambiguous in the shared DB.
#
# uptime.sh — homelab service probe: polls the core services and posts a
# ntfy alert on the first failure. A novel (.sh) file on purpose — it
# only imports when BOR_IMPORT_EXTENSIONS names the sh extension.

set -euo pipefail

ALERT_TOPIC="homelab-alerts"
NTFY_URL="https://ntfy.reeseapps.com"
CHECKS=(
  "k3s|https://10.0.1.10:6443/healthz"
  "gitlab|https://gitlab.reeseapps.com/-/health_check"
  "ntfy|https://ntfy.reeseapps.com/health"
)

probe() {
  local name="$1" url="$2"
  curl -s -o /dev/null -w "%{http_code}" --max-time 10 "$url"
}

main() {
  local line name code
  for line in "${CHECKS[@]}"; do
    name="${line%%|*}"
    code="$(probe "$name" "${line#*|}")"
    if [[ "$code" != "200" ]]; then
      echo "uptime: $name answered $code (expected 200)" >&2
      curl -s -X POST "$NTFY_URL/$ALERT_TOPIC" \
        -H "Title: homelab check failed" \
        -d "$name is down (HTTP $code)"
    fi
  done
  echo "uptime: round complete"
}

main "$@"