import { logger } from "./logger.js";
import { pool } from "./db.js";
import { startHealthServer, setSessionCountsProvider } from "./health.js";
import { sessionManager } from "./whatsapp/session-manager.js";
import { startBoss, stopBoss } from "./scheduler/pgboss-client.js";
import { registerReminderJobs } from "./scheduler/reminder-jobs.js";
import {
  startCommandConsumer,
  registerDefaultHandlers,
} from "./ipc/command-consumer.js";
import { sweepStalePendingAccounts } from "./ipc/pair-handler.js";

async function main(): Promise<void> {
  logger.info("bot starting");
  const health = startHealthServer();
  setSessionCountsProvider(() => sessionManager.getCounts());

  const boss = await startBoss();
  await registerReminderJobs(boss);

  registerDefaultHandlers();
  const stopConsumer = await startCommandConsumer();

  await sweepStalePendingAccounts();
  await sessionManager.resumeFromDb();

  const shutdown = async (signal: string): Promise<void> => {
    logger.info({ signal }, "shutting down");
    await stopConsumer();
    await sessionManager.stopAll();
    await stopBoss();
    health.close();
    await pool.end();
    process.exit(0);
  };

  process.on("SIGINT", () => void shutdown("SIGINT"));
  process.on("SIGTERM", () => void shutdown("SIGTERM"));

  logger.info("bot ready");
}

main().catch((err) => {
  logger.fatal({ err }, "bot failed to start");
  process.exit(1);
});