#!/usr/bin/env bash
# Check Besu/node health for a given container VMID. Run on Proxmox host.
# Usage: ./scripts/health/check-node-health.sh <VMID>

set -euo pipefail

VMID="${1:-}"
if [ -z "$VMID" ]; then
    echo "Usage: $0 <VMID>"
    exit 1
fi

if ! command -v pct >/dev/null 2>&1; then
    echo "Error: pct not found. Run on Proxmox host."
    exit 1
fi

STATUS=$(pct status "$VMID" 2>/dev/null | awk '{print $2}' || echo "unknown")
if [ "$STATUS" != "running" ]; then
    echo "VMID $VMID: container not running ($STATUS)"
    exit 0
fi

SVC=""
for s in besu-validator besu; do
    if pct exec "$VMID" -- systemctl is-active "$s" 2>/dev/null | grep -q "active"; then
        SVC="$s"
        break
    fi
done

if [ -n "$SVC" ]; then
    echo "VMID $VMID: $SVC active"
else
    echo "VMID $VMID: no besu service active (container running)"
fi
exit 0