import express from 'express';
import dotenv from 'dotenv';
import { registerConversationRoutes } from './routes/conversations';
import {
  registerWebhookRoutes,
  clearWebhooks,
  registerWebhook,
  waitForGateway,
  WebhookConfig,
} from './webhook';

dotenv.config();

if (process.env.NODE_ENV === 'development') {
  process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
}

if (
  process.env.NODE_ENV !== 'development' &&
  process.env.NODE_TLS_REJECT_UNAUTHORIZED === '0'
) {
  throw new Error('NODE_TLS_REJECT_UNAUTHORIZED está activado en producción. Abortando.');
}

const app = express();
app.use(express.json());

const port = Number(process.env.PORT) || 3001;
const agentUrl = process.env.LLM_AGENT_URL as string | undefined;
const openWaUrl = process.env.OPEN_WA_URL as string | undefined;

const config: WebhookConfig = {
  API_URL: openWaUrl || '',
  MAX_ATTEMPTS: parseInt(process.env.MAX_ATTEMPTS || '100', 10),
  RETRY_MS: parseInt(process.env.RETRY_MS || '2000', 10),
};

registerConversationRoutes(app, openWaUrl);
registerWebhookRoutes(app, config, openWaUrl, agentUrl);

app.listen(port, async () => {
  console.log(`WhatsApp router listening on ${port}`);
  try {
    await waitForGateway(config);
    await clearWebhooks(config);
    await registerWebhook(config, port);
  } catch (err: any) {
    console.error('Webhook setup failed:', err.message);
  }
});