import { mkdir, readFile, writeFile } from "node:fs/promises";
import path from "node:path";

import { registrySnapshotDigest } from "./lib/registry-compatibility.ts";

const inputPath =
  process.argv[2] ?? "artifacts/quality/registry-current-snapshot.json";
const outputPath =
  process.argv[3] ?? "config/contracts/registry-baseline.json";
const owner = process.env.REGISTRY_BASELINE_OWNER;
const reason = process.env.REGISTRY_BASELINE_REASON;

if (!owner || !reason) {
  process.stderr.write(
    "REGISTRY_BASELINE_OWNER and REGISTRY_BASELINE_REASON are required.\n",
  );
  process.exit(1);
}

const input = JSON.parse(await readFile(inputPath, "utf8"));
const snapshot = input.registries
  ? { schemaVersion: 2, registries: input.registries }
  : input;
const digest = registrySnapshotDigest(snapshot);
await mkdir(path.dirname(outputPath), { recursive: true });
await writeFile(outputPath, `${JSON.stringify(snapshot, null, 2)}\n`);
await writeFile(
  "config/contracts/registry-baseline.approval.json",
  `${JSON.stringify(
    {
      schemaVersion: 1,
      snapshotDigest: digest,
      owner,
      reason,
      approvedAt: new Date().toISOString(),
    },
    null,
    2,
  )}\n`,
);
process.stdout.write(`Registry baseline updated: ${digest}\n`);