// ── Profile Page ──

var _profileMde = null;

registerPage('profile', {
  async init() {
    var profile = await apiGetProfile();
    if (!profile) return;

    var usernameInput = document.getElementById('profileUsername');
    var displayNameInput = document.getElementById('profileDisplayName');
    var defaultPathInput = document.getElementById('profileDefaultPath');
    var personaInput = document.getElementById('profilePersona');
    var saveBtn = document.getElementById('profileSaveBtn');

    // EasyMDE für Persona
    _profileMde = createMDE(personaInput, {
      initialValue: profile.persona || '',
      minHeight: '150px',
      placeholder: 'Beschreibe dich selbst – Name, Rolle, Präferenzen, Kommunikationsstil...'
    });

    var currentPwInput = document.getElementById('profileCurrentPassword');
    var newPwInput = document.getElementById('profileNewPassword');
    var confirmPwInput = document.getElementById('profileConfirmPassword');
    var passwordBtn = document.getElementById('profilePasswordBtn');

    var logoutBtn = document.getElementById('profileLogoutBtn');

    // Felder befüllen
    usernameInput.value = profile.username || '';
    displayNameInput.value = profile.displayName || '';
    defaultPathInput.value = profile.defaultPath || '';

    // Profil speichern
    saveBtn.addEventListener('click', () => withButtonLoading(saveBtn, 'Speichern...', async () => {
      try {
        var updated = await apiUpdateProfile({
          displayName: displayNameInput.value.trim(),
          persona: _profileMde.value().trim()
        });
        if (currentUser) currentUser.displayName = updated.displayName;
        showToast('Profil gespeichert');
      } catch (err) {
        showToast(err.message, 'error');
      }
    }));

    // Passwort ändern
    passwordBtn.addEventListener('click', async function() {
      var currentPw = currentPwInput.value;
      var newPw = newPwInput.value;
      var confirmPw = confirmPwInput.value;

      if (!currentPw || !newPw) {
        showToast('Alle Felder ausfüllen', 'error');
        return;
      }

      if (newPw !== confirmPw) {
        showToast('Neue Passwörter stimmen nicht überein', 'error');
        return;
      }

      await withButtonLoading(passwordBtn, 'Ändern...', async () => {
        try {
          await apiChangePassword(currentPw, newPw);
          currentPwInput.value = '';
          newPwInput.value = '';
          confirmPwInput.value = '';
          showToast('Passwort geändert');
        } catch (err) {
          showToast(err.message, 'error');
        }
      });
    });

    // Logout
    logoutBtn.addEventListener('click', async function() {
      await apiLogout();
      currentUser = null;
      navigateTo('login');
    });
  },
  destroy() {
    if (_profileMde) {
      _profileMde.toTextArea();
      _profileMde = null;
    }
  }
});