extends layout.pug

block content
  if loggedIn
    .col-lg-6.col-lg-offset-3.col-md-6.col-md-offset-3
      .alert.alert-danger.messagebox.center
        strong Already logged in
        p.
          You are already logged in.  If you intend to register a new account, please <a href="/logout?redirect=/register">Logout</a> first.
        // TODO Link to My Account page
  else if !registered
    .col-lg-6.col-lg-offset-3.col-md-6.col-md-offset-3
      if registerError
        .alert.alert-danger.messagebox.center
          strong Registration Failed
          p= registerError
      h2 Register
      form(role="form", action="/register", method="post", onsubmit="return verify()")
        input(type="hidden", name="_csrf", value=csrfToken)
        .form-group
          label.control-label(for="username") Username
          input#register-username.form-control(type="text", name="name", onkeyup="checkUsername()", maxlength="20")
          p#validate_username.text-danger.pull-right
        .form-group
          label.control-label(for="password") Password
          input#register-password.form-control(type="password", name="password", onkeyup="checkPasswords()")
          p#validate_password.text-danger.pull-right
        .form-group
          label.control-label(for="password_confirm") Confirm Password
          input#register-password-confirm.form-control(type="password", onkeyup="checkPasswords()")
          p#validate_confirm.text-danger.pull-right
        .form-group
          label.control-label(for="email") Email (optional)
          input#register-email.form-control(type="email", name="email")
          p#validate_email.text-danger.pull-right
          p
            | Providing an email address is optional and will allow you to recover your account via email if you forget your password.
            strong &nbsp;&nbsp;If you do not provide an email address, you will not be able to recover a lost account!
        button#registerbtn.btn.btn-success.btn-block(type="submit") Register
  else
    .col-lg-6.col-lg-offset-3.col-md-6.col-md-offset-3
      .alert.alert-success.messagebox.center
        strong Registration Successful
        p Thanks for registering, #{registerName}!  Now you can <a href="/login">Login</a> to use your account.

append footer
  script(type="text/javascript").
    function verify() {
      var valid = checkUsername();
      valid = checkPasswords() && valid;
      valid = checkEmail() && valid;
      return valid;
    }
    function checkUsername() {
      function stateError(text){
        target.parent()
          .addClass("has-error")
          .removeClass("has-success");
        $("#validate_username").text(text);
      }
      var target = $("#register-username");
      var name = target.val();
      if (name === "") {
        stateError('Username must not be empty')
        return false;
      } else if (!(/^[-\w\u00c0-\u00ff]{1,20}$/).test(name)) {
        stateError("Username must consist of 1-20 characters" +
                    " a-Z, A-Z, 0-9, -, or _.");
        return false;
      } else {
        target.parent()
          .removeClass("has-error")
          .addClass("has-success");
        $("#validate_username").text('');
      }
    }
    function checkPasswords() {
      function stateError(text, target, validator){
        target.parent()
          .addClass("has-error")
          .removeClass("has-success");
        $(`#${validator}`).text(text);
      }
      var target = $("#register-password");
      var target2 = $("#register-password-confirm");
      var pw = target.val();
      var pwc = target2.val();

      $("#validate_password").text('');
      $("#validate_confirm").text('');
      if (pw === "") {
        stateError('Password must not be empty', target, 'validate_password')
        return false;
      } else {
        target.parent()
          .removeClass("has-error")
          .addClass("has-success");
        if (pw !== pwc) {
          stateError('Passwords do not match', target2, 'validate_confirm')
          return false;
        } else {
          target2.parent()
            .removeClass("has-error")
            .addClass("has-success");
        }
      }
    }
    function checkEmail() {
      var email = $("#register-email").val();
      if (email.trim() === "") {
        return confirm("Are you sure you want to register without setting a recovery email address?  If you lose the password, or if your account is compromised, you WILL NOT be able to recover it.");
      }
      return true;
    }
