import express from 'express';
import color from 'chalk';
import cors from 'cors';

// Model
import ProductModel from './model/ProductModel.js'; // Dateiendung nicht vergessen

const PORT = 8000;
const HOST = '127.0.0.1'; // 'localhost'
const BASE_URL = `http://${HOST}:${PORT}`;

const app = express();
const products = ProductModel();

const corsOptions = {
  origin: 'http://localhost:3000',
  optionsSuccessStatus: 200, // some legacy browsers (IE11, various SmartTVs) choke on 204
};

// lade Produkte
products.load();

// Middleware
app.use(cors(corsOptions)); // Fängt alle HTTP-Requests vor den Routenabfragen ab.

// Routes
app.get('/', (req, res) => {
  // console.log(req.headers);

  res.send('SERVER WORKS!'); // HTTP-Response wird gesendet.
});

app.get('/persons', (req, res) => {
  // res.setHeader('Content-Type', 'application/json'); // nicht notwendig den Content-Type selber zu definieren, da das express automatisch zuweist.

  const persons = [
    { firstName: 'John', lastName: 'Wick' },
    { firstName: 'Jane', lastName: 'Doe' },
    { firstName: 'Max', lastName: 'Mustermann' },
  ];
  // res.send(JSON.stringify(persons)); // nicht notwendig JS Objekte in JSON Strings umzuwandeln, das das express automatisch umwandelt

  res.send(persons);
});

app.get('/api/products', (req, res) => {
  const data = products.getAll();
  res.send(data);
});

app.listen(PORT, HOST, () => {
  console.log(color.magenta(`🚀 Server is running at: ${BASE_URL}`));
  console.log(color.yellow('CTRL + C to close.'));
});