import express from 'express';
import cors from 'cors';
import cookieParser from 'cookie-parser';
import dotenv from 'dotenv';
import { publicRouter } from './routes/public.js';
import { adminRouter } from './routes/admin.js';
import { runMigrations } from './db/migrate.js';
import { initFirstAdmin } from './scripts/init-admin.js';

dotenv.config();

const app = express();
const PORT = parseInt(process.env.PORT || '3000', 10);

app.use(express.json({ limit: '1mb' }));
app.use(cookieParser());

app.use(
    cors({
        origin:
            process.env.NODE_ENV === 'production'
                ? false
                : ['http://localhost:5173', 'http://127.0.0.1:5173'],
        credentials: true,
    })
);

app.get('/api/health', (_req, res) => {
    res.json({ ok: true, service: 'umbyte-backend' });
});

app.use('/api', publicRouter);
app.use('/api/admin', adminRouter);

app.use((err: Error, _req: express.Request, res: express.Response, _next: express.NextFunction) => {
    console.error('[error]', err);
    res.status(500).json({ error: 'internal_error' });
});

async function start() {
    try {
        await runMigrations();
        await initFirstAdmin();

        app.listen(PORT, () => {
            console.log(`[umbyte-backend] listening on :${PORT}`);
        });
    } catch (err) {
        console.error('[startup] fatal error:', err);
        process.exit(1);
    }
}

start();