#!/usr/bin/env bash
set -euo pipefail

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
LEDGER="${HOMELAB_GOLDEN_LEDGER:-${REPO_ROOT}/infra/pimox/golden-image-ledger.yml}"

case "${1:-show}" in
    show)
        sed -n '1,220p' "$LEDGER"
        ;;
    check)
        if [ ! -s "$LEDGER" ]; then
            echo "missing ledger: $LEDGER" >&2
            exit 1
        fi
        python3 - "$LEDGER" <<'PY'
import sys

try:
    import yaml
except ImportError:
    print("yaml module unavailable; ledger file exists")
    raise SystemExit(0)

path = sys.argv[1]
with open(path, encoding="utf-8") as handle:
    doc = yaml.safe_load(handle) or {}

required = [
    "template.vmid",
    "template.name",
    "os.distribution",
    "os.release",
    "os.architecture",
    "kubernetes.kubelet",
    "kubernetes.kubeadm",
    "kubernetes.kubectl",
]
missing = []
for dotted in required:
    value = doc
    for part in dotted.split("."):
        value = value.get(part) if isinstance(value, dict) else None
    if value in (None, ""):
        missing.append(dotted)

if missing:
    print("missing required ledger fields:")
    for item in missing:
        print(f"  {item}")
    raise SystemExit(1)

print(f"ledger ok: {path}")
PY
        ;;
    update-stamp)
        echo "Manual edit is preferred so image URLs/checksums stay reviewable: $LEDGER" >&2
        exit 1
        ;;
    *)
        echo "Usage: ./jeannie golden-ledger {show|check}" >&2
        exit 1
        ;;
esac