#!/bin/sh
# Fallback polling: pull → verify → apply signed bundle (profile fallback).
set -eu

INTERVAL="${EVOBGP_SYNC_INTERVAL_SEC:-300}"
BASE="${EVOBGP_CONTROL_PLANE_URL:?EVOBGP_CONTROL_PLANE_URL required}"
TOKEN="${EVOBGP_NODE_TOKEN:?EVOBGP_NODE_TOKEN required}"
SPEAKER="${EVOBGP_SPEAKER_ID:?EVOBGP_SPEAKER_ID required}"
PUB="${EVOBGP_BUNDLE_PUBKEY_BASE64:?EVOBGP_BUNDLE_PUBKEY_BASE64 required}"
EXTRACT="/etc/bird"
BUNDLE="/tmp/evobgp-bundle.tar.gz"
SOCKET="${EVOBGP_BIRDC_SOCKET:-/run/bird/bird.ctl}"

sync_once() {
  evobgp-node pull-bundle \
    -base-url "$BASE" \
    -token "$TOKEN" \
    -speaker-id "$SPEAKER" \
    -o "$BUNDLE" || return 1
  evobgp-node apply-bundle \
    -f "$BUNDLE" \
    -extract-dir "$EXTRACT" \
    -pubkey-base64 "$PUB" \
    -socket "$SOCKET"
}

echo "sync-bundle: polling every ${INTERVAL}s speaker=${SPEAKER}"
while true; do
  if sync_once; then
    echo "sync-bundle: ok $(date -u +%Y-%m-%dT%H:%M:%SZ)"
  else
    echo "sync-bundle: failed $(date -u +%Y-%m-%dT%H:%M:%SZ)" >&2
  fi
  sleep "$INTERVAL"
done