document.getElementById("login-form").addEventListener("submit", async function(event) {
event.preventDefault();
let username = document.getElementById("username").value;
let password = document.getElementById("password").value;
let response = await fetch("/login", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ username, password })
});
let data = await response.json();
if (response.ok) {
alert("Connexion réussie !");
window.location.href = "/";
} else {
alert(data.error);
}
});