import cors from 'cors';
import express from 'express';
import { config } from './config.js';
import { backupRouter } from './routes/backup.js';
import { healthRouter } from './routes/health.js';
import { jobsRouter } from './routes/jobs.js';
import { restoreRouter } from './routes/restore.js';
import { schedulesRouter } from './routes/schedules.js';
import { settingsRouter } from './routes/settings.js';
import { snapshotsRouter } from './routes/snapshots.js';
import { vmsRouter } from './routes/vms.js';
import { startScheduler } from './scheduler.js';

const app = express();

app.use(cors());
app.use(express.json());

app.use((req, res, next) => {
  if (!config.apiToken) {
    next();
    return;
  }
  const header = req.get('authorization') || '';
  if (header === `Bearer ${config.apiToken}`) {
    next();
    return;
  }
  res.status(401).json({ error: 'Unauthorized.' });
});

app.use('/api/health', healthRouter);
app.use('/api/vms', vmsRouter);
app.use('/api/snapshots', snapshotsRouter);
app.use('/api/jobs', jobsRouter);
app.use('/api/backup', backupRouter);
app.use('/api/restore', restoreRouter);
app.use('/api/schedules', schedulesRouter);
app.use('/api/settings', settingsRouter);

app.use((error, _req, res, _next) => {
  const status = error.status || 500;
  res.status(status).json({ error: error.message || 'Internal server error.' });
});

app.listen(config.port, () => {
  console.log(`Incus backup API listening on http://localhost:${config.port}`);
});

startScheduler().catch((error) => {
  console.error(`Failed to start scheduler: ${error.message}`);
});