import express from 'express';
import cors from 'cors';
import { createServer } from 'http';
import { WebSocketServer } from 'ws';
import { initDb } from './db';
import { accountsRouter } from './routes/accounts';
import { promptsRouter } from './routes/prompts';
import { pipelineRouter } from './routes/pipeline';
import { assetsRouter } from './routes/assets';
import { configsRouter } from './routes/configs';
import { handleChat } from './ws/chat';

const app = express();
const server = createServer(app);
const wss = new WebSocketServer({ server, path: '/ws' });

app.use(cors());
app.use(express.json({ limit: '50mb' }));

app.use('/api/accounts', accountsRouter);
app.use('/api/prompts', promptsRouter);
app.use('/api/pipeline', pipelineRouter);
app.use('/api/assets', assetsRouter);
app.use('/api/configs', configsRouter);

wss.on('connection', handleChat);

const PORT = 3007;
initDb();

server.on('error', (err: NodeJS.ErrnoException) => {
  if (err.code === 'EADDRINUSE') {
    console.error(`Port ${PORT} is in use. Run: npx kill-port ${PORT}`);
    process.exit(1);
  }
  throw err;
});

server.listen(PORT, () => {
  console.log(`Server running on http://localhost:${PORT}`);
});

process.on('SIGTERM', () => { server.close(); process.exit(0); });
process.on('SIGINT', () => { server.close(); process.exit(0); });