import app from "./api/server";
import { setupSockets } from "./api/sockets";
import { engine, PORT, prisma } from "./constants";
import { unifiSites } from "./managers/unifiSites";
import { events } from "./modules/globalEvents";
import { setupEventDebugger } from "./modules/logging/eventDebugger";
import { signPermissions } from "./modules/permission-utils/signPermissions";
import { RoleController } from "./controllers/RoleController";
import { initializeWorkerSystem, getBoss } from "./workert";
import { WorkerQueue } from "./modules/workers/queues";
import { enqueueIncrementalSync } from "./modules/workers/incremental-sync";
import { startCommsServer } from "./modules/workers/coms";
import cuid from "cuid";

const startupArgs = new Set(Bun.argv.slice(2));
const simpleTerminalMode =
  startupArgs.has("-st") || startupArgs.has("--simple-terminal");

// Setup global event debugger in non-production environments
if (Bun.env.NODE_ENV == "development" && !simpleTerminalMode) {
  setupEventDebugger({ processLabel: "API" });
}

// Helper to run a startup task safely — failures are logged but never crash the process.
const safeStartup = async (label: string, fn: () => Promise<void>) => {
  try {
    await fn();
  } catch (err) {
    console.error(`[startup] ${label} failed`, err);
  }
};

// ---------------------------------------------------------------------------
// Start the HTTP server FIRST so the pod is reachable immediately.
// All data-sync tasks run afterwards and are non-blocking.
// ---------------------------------------------------------------------------
Bun.serve({
  port: PORT,
  idleTimeout: 255,
  websocket: engine.handler().websocket,
  fetch: (req, server) => {
    const url = new URL(req.url);

    if (url.pathname.startsWith("/socket.io/")) {
      return engine.handleRequest(req, server as any);
    }

    return app.fetch(req, server);
  },
});

console.log(`[startup] Server listening on port ${PORT}`);

setupSockets();
console.log("[startup] Socket namespaces initialized");

// Initialize worker system (PgBoss connection)
await safeStartup("initializeWorkerSystem", () => initializeWorkerSystem());

// Start the inter-process comms server so the worker can connect on :8671
startCommsServer();
console.log("[startup] Comms server listening on :8671");

// Enqueue a full dalpuri sync on startup
await safeStartup("enqueueDalpuriFullSync", async () => {
  const jobId = await getBoss().send(WorkerQueue.DALPURI_FULL_SYNC, {}, { singletonKey: `startup-${Date.now()}` });
  if (jobId) {
    console.log(`[startup] Dalpuri full sync enqueued: ${jobId}`);
  } else {
    console.warn("[startup] Dalpuri full sync send returned null — job may already be pending or PgBoss not ready");
  }
});

// Broadcast incremental sync jobs from the API process every 5s so the
// interval survives worker restarts.
setInterval(() => {
  enqueueIncrementalSync().catch((err) =>
    console.error(`[interval] enqueueIncrementalSync failed: ${err?.message ?? err}`)
  );
}, 5_000);

// ---------------------------------------------------------------------------
// Background initialisation — none of this blocks the server.
// ---------------------------------------------------------------------------

// Ensure administrator role exists
await safeStartup("ensureAdminRole", async () => {
  const existingAdmin = await prisma.role.findFirst({
    where: { moniker: "administrator" },
    include: { users: { include: { roles: true } } },
  });

  if (!existingAdmin) {
    const id = cuid();
    const created = await prisma.role.create({
      data: {
        id,
        moniker: "administrator",
        title: "Admin",
        permissions: signPermissions({
          issuer: "roles",
          subject: id,
          permissions: ["*"],
        }),
      },
      include: { users: { include: { roles: true } } },
    });
    events.emit("role:created", new RoleController(created));
  }
});

// Enqueue an initial cold-load metrics refresh on startup
await safeStartup("enqueueSalesMetricsRefresh", async () => {
  const jobId = await getBoss().send(
    WorkerQueue.REFRESH_SALES_METRICS,
    { forceColdLoad: true },
    { singletonKey: `startup-metrics-${Date.now()}` }
  );
  if (jobId) {
    console.log(`[startup] Sales metrics refresh enqueued: ${jobId}`);
  } else {
    console.warn("[startup] Sales metrics refresh send returned null — job may already be pending");
  }
});

// Enqueue a metrics refresh every 5 minutes
setInterval(() => {
  getBoss()
    .send(WorkerQueue.REFRESH_SALES_METRICS, {}, { singletonKey: "metrics-interval" })
    .catch((err) =>
      console.error(`[interval] REFRESH_SALES_METRICS enqueue failed: ${err?.message ?? err}`)
    );
}, 5 * 60 * 1000);

// Sync UniFi sites
await safeStartup("syncSites", async () => {
  await unifiSites.syncSites();
});
setInterval(() => {
  return unifiSites
    .syncSites()
    .catch((err) =>
      console.error(`[interval] syncSites failed: ${err?.message ?? err}`)
    );
}, 60 * 1000);