window.addEventListener("DOMContentLoaded", function() {
    document.getElementById("login_button").addEventListener("click", function(event) {
        event.preventDefault();
        document.querySelector("#login_form").submit();
    });

    document.getElementById("login_form").addEventListener("submit", function(event) {
        if(this.password.value == "" || this.username.value == ""){
          e.preventDefault();
        }
    });

    if(window.location.pathname == "/signup/" || window.location.pathname == "/signup"){
        document.querySelector("#login_form").insertAdjacentHTML("afterbegin", "<input type='text' name='token' placeholder='Token' required autocomplete='off' />");
        document.querySelector("#login_form").setAttribute("action", "/signup");
    }
    if(window.location.hash == "#failed") {
        window.location.hash = "";
        M.toast({ html: "Couldn't find a user with that username or password..", displayLength: 4000, classes: "red lighten"});
    }
});