{#
  auth_modal.html — Login- und Registrierungs-Modal für v2
  Einbinden via: {% include "v2/components/auth_modal.html" %}
  Öffnen via:    document.getElementById('v2-auth-modal').style.display = 'flex'
#}
{% from "v2/components/icon.html" import icon %}

<!-- ── v2 Auth Modal ──────────────────────────────────────────────────── -->
<div id="v2-auth-modal"
     role="dialog" aria-modal="true" aria-labelledby="v2-auth-modal-title"
     style="display:none;position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:400;justify-content:center;align-items:center;"
     onclick="if(event.target===this)v2AuthModalClose()">

  <div style="background:var(--paper);border-radius:8px;padding:var(--space-6);max-width:440px;width:90%;box-shadow:0 8px 32px rgba(0,0,0,0.22);font-family:var(--font-sans);">

    <!-- Header -->
    <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-5);">
      <h3 id="v2-auth-modal-title"
          style="margin:0;font-family:var(--font-sans);font-size:1.1rem;font-weight:700;color:var(--ecg-blue);letter-spacing:0.03em;">
        Anmelden
      </h3>
      <button onclick="v2AuthModalClose()"
              aria-label="Modal schließen"
              style="background:none;border:none;cursor:pointer;color:var(--ecg-dark);opacity:0.6;font-size:1.2rem;line-height:1;padding:0;">✕</button>
    </div>

    <!-- Tabs -->
    <div style="display:flex;border-bottom:2px solid var(--hairline);margin-bottom:var(--space-5);">
      <button id="v2-auth-tab-login"
              onclick="v2AuthSwitchTab('login')"
              style="flex:1;padding:var(--space-2) var(--space-3);border:none;background:none;cursor:pointer;font-family:var(--font-sans);font-size:0.9rem;font-weight:700;color:var(--ecg-blue);border-bottom:2px solid var(--ecg-blue);margin-bottom:-2px;">
        Anmelden
      </button>
      <button id="v2-auth-tab-register"
              onclick="v2AuthSwitchTab('register')"
              style="flex:1;padding:var(--space-2) var(--space-3);border:none;background:none;cursor:pointer;font-family:var(--font-sans);font-size:0.9rem;font-weight:400;color:var(--ecg-light);margin-bottom:-2px;">
        Registrieren
      </button>
    </div>

    <!-- Login Form -->
    <form id="v2-auth-login-form" onsubmit="v2AuthSubmitLogin(event)"
          style="display:flex;flex-direction:column;gap:var(--space-3);">
      <input name="username" placeholder="Benutzername" required autocomplete="username"
             style="padding:var(--space-2) var(--space-3);border:1px solid var(--hairline);border-radius:4px;font-family:var(--font-sans);font-size:0.95rem;background:var(--surface);color:var(--ecg-dark);outline:none;">
      <input name="password" type="password" placeholder="Passwort" required autocomplete="current-password"
             style="padding:var(--space-2) var(--space-3);border:1px solid var(--hairline);border-radius:4px;font-family:var(--font-sans);font-size:0.95rem;background:var(--surface);color:var(--ecg-dark);outline:none;">
      <button type="submit"
              style="padding:var(--space-3);background:var(--ecg-blue);color:#fff;border:none;border-radius:4px;cursor:pointer;font-family:var(--font-sans);font-size:0.95rem;font-weight:700;letter-spacing:0.04em;">
        Anmelden
      </button>
    </form>

    <!-- Register Form -->
    <form id="v2-auth-register-form" onsubmit="v2AuthSubmitRegister(event)"
          style="display:none;flex-direction:column;gap:var(--space-3);">
      <input name="firstName" placeholder="Vorname" required autocomplete="given-name"
             style="padding:var(--space-2) var(--space-3);border:1px solid var(--hairline);border-radius:4px;font-family:var(--font-sans);font-size:0.95rem;background:var(--surface);color:var(--ecg-dark);outline:none;">
      <input name="lastName" placeholder="Nachname" required autocomplete="family-name"
             style="padding:var(--space-2) var(--space-3);border:1px solid var(--hairline);border-radius:4px;font-family:var(--font-sans);font-size:0.95rem;background:var(--surface);color:var(--ecg-dark);outline:none;">
      <input name="email" type="email" placeholder="E-Mail-Adresse" required autocomplete="email"
             style="padding:var(--space-2) var(--space-3);border:1px solid var(--hairline);border-radius:4px;font-family:var(--font-sans);font-size:0.95rem;background:var(--surface);color:var(--ecg-dark);outline:none;">
      <input name="username" placeholder="Benutzername (frei wählbar)" required autocomplete="username"
             style="padding:var(--space-2) var(--space-3);border:1px solid var(--hairline);border-radius:4px;font-family:var(--font-sans);font-size:0.95rem;background:var(--surface);color:var(--ecg-dark);outline:none;">
      <button type="submit"
              style="padding:var(--space-3);background:var(--ecg-green);color:#fff;border:none;border-radius:4px;cursor:pointer;font-family:var(--font-sans);font-size:0.95rem;font-weight:700;letter-spacing:0.04em;">
        Freischaltung beantragen
      </button>
      <p style="margin:0;font-size:0.78rem;color:var(--ecg-light);">
        Nach Freischaltung erhalten Sie eine E-Mail zum Passwort setzen.
      </p>
    </form>

    <!-- Status-Anzeige (Fehler / Erfolg) -->
    <div id="v2-auth-status" style="margin-top:var(--space-3);font-size:0.875rem;min-height:1.2em;"></div>

  </div>
</div>

<script>
/* ── v2 Auth Modal ───────────────────────────────────────────────────── */
(function () {

  function open() {
    const modal = document.getElementById('v2-auth-modal');
    if (modal) modal.style.display = 'flex';
    // Status leeren bei jedem Öffnen
    const status = document.getElementById('v2-auth-status');
    if (status) status.innerHTML = '';
  }

  function close() {
    const modal = document.getElementById('v2-auth-modal');
    if (modal) modal.style.display = 'none';
  }

  function switchTab(tab) {
    const loginForm    = document.getElementById('v2-auth-login-form');
    const registerForm = document.getElementById('v2-auth-register-form');
    const tabLogin     = document.getElementById('v2-auth-tab-login');
    const tabRegister  = document.getElementById('v2-auth-tab-register');
    const title        = document.getElementById('v2-auth-modal-title');
    const status       = document.getElementById('v2-auth-status');

    if (!loginForm || !registerForm) return;

    const isLogin = tab === 'login';
    loginForm.style.display    = isLogin ? 'flex' : 'none';
    registerForm.style.display = isLogin ? 'none' : 'flex';

    // Tab-Stile
    const activeStyle   = 'color:var(--ecg-blue);font-weight:700;border-bottom:2px solid var(--ecg-blue);margin-bottom:-2px;';
    const inactiveStyle = 'color:var(--ecg-light);font-weight:400;margin-bottom:-2px;';
    tabLogin.style.cssText    += isLogin ? activeStyle : inactiveStyle;
    tabRegister.style.cssText += isLogin ? inactiveStyle : activeStyle;

    if (title) title.textContent = isLogin ? 'Anmelden' : 'Registrieren';
    if (status) status.innerHTML = '';
  }

  async function submitLogin(e) {
    e.preventDefault();
    const form   = e.target;
    const status = document.getElementById('v2-auth-status');
    status.innerHTML = '<span style="color:var(--ecg-blue);">Anmeldung läuft\u2026</span>';
    try {
      const resp = await fetch('/api/auth/login', {
        method:  'POST',
        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
        body:    new URLSearchParams(new FormData(form)).toString()
      });
      const data = await resp.json();
      if (resp.ok && data.authenticated) {
        status.innerHTML = '<span style="color:var(--ecg-green);">Angemeldet.</span>';
        close();
        location.reload();
      } else {
        status.innerHTML = '<span style="color:#c33;">' + (data.detail || 'Anmeldung fehlgeschlagen') + '</span>';
      }
    } catch (err) {
      status.innerHTML = '<span style="color:#c33;">' + err.message + '</span>';
    }
  }

  async function submitRegister(e) {
    e.preventDefault();
    const form   = e.target;
    const status = document.getElementById('v2-auth-status');
    status.innerHTML = '<span style="color:var(--ecg-blue);">Wird registriert\u2026</span>';
    try {
      const resp = await fetch('/api/auth/register', {
        method:  'POST',
        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
        body:    new URLSearchParams(new FormData(form)).toString()
      });
      const data = await resp.json();
      if (resp.ok) {
        status.innerHTML = '<span style="color:var(--ecg-green);">Freischaltung beantragt. Sie erhalten eine E-Mail, sobald Ihr Konto aktiviert ist.</span>';
        form.reset();
      } else {
        status.innerHTML = '<span style="color:#c33;">' + (data.detail || 'Registrierung fehlgeschlagen') + '</span>';
      }
    } catch (err) {
      status.innerHTML = '<span style="color:#c33;">' + err.message + '</span>';
    }
  }

  // ESC schließt Modal
  document.addEventListener('keydown', function (e) {
    if (e.key === 'Escape') close();
  });

  // Globale API für Topbar-Button und externe Aufrufer
  window.v2AuthModalOpen    = open;
  window.v2AuthModalClose   = close;
  window.v2AuthSwitchTab    = switchTab;
  window.v2AuthSubmitLogin  = submitLogin;
  window.v2AuthSubmitRegister = submitRegister;

})();
</script>