buster/apps/server/src/api/v2/slack/index.ts

import { Hono } from 'hono';
import { HTTPException } from 'hono/http-exception';
import { requireAuth } from '../../../middleware/auth';
import { SlackError, slackHandler } from './handler';

const app = new Hono()
  // Public endpoints (no auth required for OAuth flow)
  .post('/auth/init', requireAuth, (c) => slackHandler.initiateOAuth(c))
  .get('/auth/callback', (c) => slackHandler.handleOAuthCallback(c))
  // Protected endpoints
  .get('/integration', requireAuth, (c) => slackHandler.getIntegration(c))
  .get('/channels', requireAuth, (c) => slackHandler.getChannels(c))
  .delete('/integration', requireAuth, (c) => slackHandler.removeIntegration(c))
  // Error handling
  .onError((e, c) => {
    if (e instanceof SlackError) {
      return c.json(e.toResponse(), e.statusCode);
    }
    if (e instanceof HTTPException) {
      return e.getResponse();
    }

    console.error('Unhandled error in Slack routes:', e);
    return c.json({ error: 'Internal server error' }, 500);
  });

export default app;