#!/usr/bin/env bash
# Live Proxmox guest inventory + drift vs config/ip-addresses.conf.
# Usage: bash scripts/it-ops/export-live-inventory-and-drift.sh
# Requires: SSH key root@SEED, python3 locally and on PVE.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
# shellcheck source=/dev/null
source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true
SEED="${SEED_HOST:-${PROXMOX_HOST_R630_01:-192.168.11.11}}"
OUT_DIR="${OUT_DIR:-${PROJECT_ROOT}/reports/status}"
TS="$(date +%Y%m%d_%H%M%S)"
TMP="${TMPDIR:-/tmp}/live_inv_${TS}.json"
PY="${SCRIPT_DIR}/lib/collect_inventory_remote.py"

mkdir -p "$OUT_DIR"

stub_unreachable() {
  python3 - <<'PY'
import json
from datetime import datetime, timezone
print(json.dumps({
    "collected_at": datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ"),
    "error": "seed_unreachable",
    "guests": [],
}, indent=2))
PY
}

if ! ping -c1 -W2 "$SEED" >/dev/null 2>&1; then
  stub_unreachable >"$TMP"
else
  if ! ssh -o BatchMode=yes -o ConnectTimeout=15 -o StrictHostKeyChecking=no \
    "root@${SEED}" "python3 -" <"$PY" >"$TMP" 2>/dev/null; then
    stub_unreachable >"$TMP"
  fi
fi

set +e
python3 "${SCRIPT_DIR}/compute_ipam_drift.py" --live "$TMP" \
  --ip-conf "${PROJECT_ROOT}/config/ip-addresses.conf" \
  --all-vmids-md "${PROJECT_ROOT}/docs/04-configuration/ALL_VMIDS_ENDPOINTS.md" \
  --out-dir "$OUT_DIR"
DRIFT_RC=$?
set -e

cp -f "$OUT_DIR/live_inventory.json" "${OUT_DIR}/live_inventory_${TS}.json" 2>/dev/null || true
cp -f "$OUT_DIR/drift.json" "${OUT_DIR}/drift_${TS}.json" 2>/dev/null || true
rm -f "$TMP"
echo "Latest: ${OUT_DIR}/live_inventory.json , ${OUT_DIR}/drift.json"
exit "${DRIFT_RC}"