server.js

const http = require("http");
const fs = require("fs");
const path = require("path");

// Définir une liste de chemins dans lesquels chercher les fichiers
const possiblePaths = [
  path.join(__dirname, "./todo-app/public"),
  path.join(__dirname, "./todo-app/public/js"),
  path.join(__dirname, "./todo-app"),
  path.join(__dirname, "."),
];

const server = http.createServer((req, res) => {
  let fileFound = false;

  // Itérer sur chaque chemin possible
  for (const basePath of possiblePaths) {
    let filePath = path.join(
      basePath,
      req.url === "/" ? "index.html" : req.url
    );

    if (fs.existsSync(filePath)) {
      fileFound = true;
      serveFile(filePath, res);
      break;
    }
  }

  // Si le fichier n'a pas été trouvé, renvoyer index.html par défaut
  if (!fileFound) {
    const fallbackFilePath = path.join(
      __dirname,
      "./todo-app/public",
      "index.html"
    );
    serveFile(fallbackFilePath, res);
  }
});

function serveFile(filePath, res) {
  fs.readFile(filePath, (err, content) => {
    if (err) {
      res.writeHead(500);
      res.end("Erreur du serveur: " + err.code);
      return;
    }

    const extname = path.extname(filePath);
    let contentType = "text/html"; // Par défaut

    switch (extname) {
      case ".js":
        contentType = "application/javascript";
        break;
      case ".css":
        contentType = "text/css";
        break;
      case ".json":
        contentType = "application/json";
        break;
      case ".png":
        contentType = "image/png";
        break;
      case ".jpg":
        contentType = "image/jpg";
        break;
      case ".ico":
        contentType = "image/x-icon";
        break;
      // Ajouter d'autres types MIME si nécessaire
    }

    res.writeHead(200, { "Content-Type": contentType });
    res.end(content, "utf-8");
  });
}

const PORT = 3001;
server.listen(PORT, () => {
  console.log(`Le serveur écoute sur http://localhost:${PORT}`);
});