server.js

import express from "express";

function getNextId() {
  const maxId = notes.reduce((max, note) => (note.id > max ? note.id : max), 0);
  return maxId + 1;
}

const notes = [
  {
    id: 1,
    title: "Nota 1",
    content: "Contenido de la nota 1",
  },
];

const app = express();
app.use(express.json());
const port = 3000;

app.get("/", (req, res) => {
  res.json({
    message: "Bienvenido a la API de notas",
    version: "1.0",
    endpoints: {
      getNotes: "/notes",
      createNote: "/notes",
      deleteNote: "/notes/:id",
    },
  });
});

app.get("/notes", (req, res) => {
  res.json(notes);
});

app.delete("/notes/:id", (req, res) => {
  const noteId = parseInt(req.params.id);
  const noteIndex = notes.findIndex((note) => note.id === noteId);

  if (noteIndex === -1) {
    return res.status(404).json({ message: "Nota no encontrada" });
  }

  notes.splice(noteIndex, 1);
  res.status(204).send();
});

app.post("/notes", (req, res) => {
  const newNote = {
    id: getNextId(),
    title: req.body.title,
    content: req.body.content,
  };

  notes.push(newNote);

  res.status(201).json(newNote);
});

app.patch("/notes/:id", (req, res) => {
  const noteId = parseInt(req.params.id);
  const note = notes.find((note) => note.id === noteId);

  if (!note) {
    return res.status(404).json({ message: "Nota no encontrada" });
  }

  if (req.body.title !== undefined) {
    note.title = req.body.title;
  }
  if (req.body.content !== undefined) {
    note.content = req.body.content;
  }

  res.json(note);
});

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