// records' consumer: keep the checkout current (novox/hq ADR 0153).
//
// Synced when the runtime binds the broker, on every merge the forge announces, and on a timer for
// the merges it did not hear about — a restart during a merge, a repository the forge does not emit
// for. The timer is unhurried: the record changes when thinking changes, not by the minute.
import { on } from "@novox/mesh-sdk/events";
import { recordsFromEnv, type Records } from "./records.js";

let records: Records | null = null;
try {
  records = await recordsFromEnv();
} catch (err) {
  console.log(`[records] not reading — ${err instanceof Error ? err.message : String(err)}`);
}

if (records) {
  const reader = records;
  void reader.sync().then(async () => {
    const s = await reader.standing();
    console.log(`[records] ${s.repository} at ${s.commit.slice(0, 8) || "(no commit)"}, ${s.documents} document(s)${s.lastError ? ` — ${s.lastError}` : ""}`);
  });
  setInterval(() => void reader.sync(), 10 * 60 * 1000).unref();

  // A merge on the forge into the repository this reads: pull now. The event names the repository
  // by owner and name (gitea's `pull.merged`); anything else is somebody else's merge.
  await on<{ owner?: string; repo?: string; base?: string }>("gitea.pull.merged", async (event) => {
    const merged = `${event.body.owner ?? ""}/${event.body.repo ?? ""}`;
    if (merged !== reader.repository) return;
    console.log(`[records] ${merged} merged; syncing`);
    await reader.sync();
  });
}

export { records };