server.ts

import express from 'express';
import path from 'path';
import fs from 'fs/promises';
import { fileURLToPath } from 'url';
import { createServer as createViteServer } from 'vite';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const STORAGE_DIR = path.join(__dirname, 'Storage');
const NOTES_FILE = path.join(STORAGE_DIR, 'notes.json');

async function ensureStorage() {
  try {
    await fs.access(STORAGE_DIR);
  } catch {
    await fs.mkdir(STORAGE_DIR, { recursive: true });
    // Initialize empty notes file if not exists
    await fs.writeFile(NOTES_FILE, JSON.stringify([]));
    console.log('Created Storage directory and notes.json');
  }
}

async function startServer() {
  await ensureStorage();
  
  const app = express();
  const PORT = 3000;

  app.use(express.json({ limit: '10mb' }));

  // API Routes
  app.get('/api/notes', async (req, res) => {
    try {
      const data = await fs.readFile(NOTES_FILE, 'utf-8');
      res.json(JSON.parse(data));
    } catch (error) {
      res.status(500).json({ error: 'Failed to read notes' });
    }
  });

  app.post('/api/notes', async (req, res) => {
    try {
      const notes = req.body;
      await fs.writeFile(NOTES_FILE, JSON.stringify(notes, null, 2));
      res.json({ success: true });
    } catch (error) {
      res.status(500).json({ error: 'Failed to save notes' });
    }
  });

  // Vite Middleware for development
  if (process.env.NODE_ENV !== 'production') {
    const vite = await createViteServer({
      server: { middlewareMode: true },
      appType: 'spa',
    });
    app.use(vite.middlewares);
  } else {
    // Production static files
    const distPath = path.join(__dirname, 'dist');
    app.use(express.static(distPath));
    app.get('*', (req, res) => {
      res.sendFile(path.join(distPath, 'index.html'));
    });
  }

  app.listen(PORT, '0.0.0.0', () => {
    console.log(`Server running on http://localhost:${PORT}`);
  });
}

startServer();