const express = require('express');
const cors = require('cors');
const passport = require('passport');
require('./config/passport'); // Load JWT strategy
const User = require('./models/User');
const Block = require('./models/Block');
const { sequelize, connectDB } = require('./config/database');

const app = express();
const PORT = process.env.PORT || 5000;

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

// Serve static frontend
app.use(express.static('public'));

// Routes
app.use('/api/auth', require('./routes/auth'));
app.use('/api/drawings', require('./routes/drawings'));
app.use('/api/blocks', require('./routes/blocks'));
app.use('/api/dxf', require('./routes/dxf'));
app.use('/api/plugins', require('./routes/plugins'));

// Health check
app.get('/api/health', (req, res) => res.json({ status: 'ok' }));

// SPA fallback – serve index.html for all non-API routes
app.get(/^(?!\/api\/).*/, (req, res) => {
  res.sendFile('public/index.html', { root: __dirname });
});

// Connect DB and start
connectDB().then(() => sequelize.sync({ force: false })).then(async () => {
  // Seed admin user if not exists
  const bcrypt = require('bcryptjs');
  const existing = await User.findOne({ where: { email: 'admin@cad.local' } });
  if (!existing) {
    await User.create({ email: 'admin@cad.local', password: 'admin123' });
    console.log('Admin user created: admin@cad.local / admin123');
  }
  app.listen(PORT, () => console.log(`Server running on port ${PORT}`));
}).catch(err => {
  console.error('Unable to start server:', err);
});