#!/usr/bin/env bun
import { createWorkbenchHttpApp } from "../../internal/workbench/http.ts";
import { workbenchRuntime } from "../../internal/workbench/runtime.ts";
import { startHwlabKafkaEventBridge } from "../../internal/cloud/kafka-event-bridge.ts";

const runtime = workbenchRuntime(process.env, { eventPublisher: null });
const kafkaEventBridge = runtime.mode === "agentrun-native" ? startHwlabKafkaEventBridge({ env: process.env }) : null;
const app = createWorkbenchHttpApp({ dispatch: runtime.dispatch, snapshot: runtime.application.snapshot?.bind(runtime.application), authorization: process.env.WORKBENCH_API_AUTHORIZATION, mode: runtime.mode, kafkaEventBridge, close: async () => { await kafkaEventBridge?.stop?.(); await runtime.close(); } });
const host = process.env.WORKBENCH_API_HOST || "0.0.0.0";
const port = positivePort(process.env.WORKBENCH_API_PORT || process.env.PORT, 6677);
const idleTimeoutConfig = positiveIntegerOrDefault(process.env.WORKBENCH_API_IDLE_TIMEOUT_SECONDS, 60);
const idleTimeout = idleTimeoutConfig.value;
if (idleTimeoutConfig.warningReason) {
  process.stderr.write(`${JSON.stringify({ event: "hwlab.config.warning", code: "workbench_api_idle_timeout_defaulted", configKey: "WORKBENCH_API_IDLE_TIMEOUT_SECONDS", reason: idleTimeoutConfig.warningReason, defaultValue: idleTimeout, blocking: false, valuesPrinted: false })}\n`);
}
const server = Bun.serve({ hostname: host, port, idleTimeout, fetch: (request) => app.fetch(request) });
process.stdout.write(`${JSON.stringify({ serviceId: "hwlab-workbench-api", status: "listening", mode: runtime.mode, host, port: server.port, idleTimeout, temporalNamespace: runtime.temporalNamespace, taskQueue: runtime.taskQueue })}\n`);
for (const signal of ["SIGINT", "SIGTERM"] as const) process.once(signal, async () => { server.stop(true); await app.close(); process.exit(0); });

function positivePort(value: string | undefined, fallback: number) { const parsed = Number.parseInt(String(value ?? fallback), 10); if (!Number.isInteger(parsed) || parsed < 1 || parsed > 65535) throw new Error("WORKBENCH_API_PORT must be a valid port"); return parsed; }
function positiveIntegerOrDefault(value: string | undefined, fallback: number) {
  const raw = String(value ?? "").trim();
  if (!raw) return { value: fallback, warningReason: "missing" };
  const parsed = Number.parseInt(raw, 10);
  if (!Number.isSafeInteger(parsed) || parsed < 1 || String(parsed) !== raw) return { value: fallback, warningReason: "invalid-positive-integer" };
  return { value: parsed, warningReason: null };
}
