const express = require('express');
const config = require('./src/config');
const { migrate } = require('./src/config/db');

// Routes
const generateRoutes = require('./src/routes/generate');
const channelsRoutes = require('./src/routes/channels');
const postsRoutes = require('./src/routes/posts');
const articlesRoutes = require('./src/routes/articles');
const statsRoutes = require('./src/routes/stats');
const notesRoutes = require('./src/routes/notes');
const seriesRoutes = require('./src/routes/series');
const categoriesRoutes = require('./src/routes/categories');

// Start queue worker
require('./src/workers/generation');

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

// Раздача загруженных файлов (обложки статей и т.п.)
const path = require('path');
const UPLOADS_DIR = process.env.UPLOADS_DIR || '/var/www/zeropost-uploads';
require('fs').mkdirSync(UPLOADS_DIR, { recursive: true });

// Public uploads — ДО auth-middleware, без секрета
app.use('/uploads', express.static(UPLOADS_DIR, { maxAge: '7d', immutable: true }));


// Simple internal auth middleware
app.use((req, res, next) => {
  const secret = req.headers['x-internal-secret'];
  if (secret !== config.internalSecret) {
    return res.status(401).json({ error: 'Unauthorized' });
  }
  next();
});

app.use('/api/generate', generateRoutes);
app.use('/api/channels', channelsRoutes);
app.use('/api/posts', postsRoutes);
app.use('/api/articles', articlesRoutes);
app.use('/api/stats', statsRoutes);
app.use('/api/notes', notesRoutes);
app.use('/api/series', seriesRoutes);
app.use('/api/categories', categoriesRoutes);

app.get('/health', (req, res) => {
  res.json({ ok: true, service: 'zeropost-engine', time: new Date() });
});

const start = async () => {
  await migrate();
  app.listen(config.port, () => {
    console.log(`[Engine] Running on port ${config.port}`);
  });
};

start().catch(err => {
  console.error('[Engine] Failed to start:', err);
  process.exit(1);
});