{% extends "base.html" %}

{% block title %}{{ _("connections.title") }} - {{ _("app.name") }}{% endblock %}

{% block content %}
<main id="main-content" class="max-w-4xl mx-auto px-4 py-8">
  <div class="mb-8">
    <h1 class="text-2xl font-bold text-gray-900 dark:text-white">{{ _("connections.title") }}</h1>
    <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">{{ _("connections.description") }}</p>
  </div>

  <!-- SSO Auto Login Section -->
  {% if oauth_configured %}
  <section class="bg-white dark:bg-gray-800 shadow rounded-lg p-6 mb-6">
    <div class="flex items-center justify-between">
      <div>
        <h2 class="text-lg font-semibold text-gray-900 dark:text-white">{{ _("connections.sso_auto_login_title") }}</h2>
        <p class="text-sm text-gray-500 dark:text-gray-400 mt-1">{{ _("connections.sso_auto_login_description") }}</p>
      </div>
      <div>
        <label class="doc-toggle">
          <input type="checkbox" id="sso-auto-login-toggle" class="sr-only"
                 {% if sso_auto_login %}checked{% endif %}
                 onchange="toggleSetting('sso_auto_login', this.checked)">
          <span class="doc-toggle-track" aria-hidden="true"></span>
          <span class="ml-3 text-sm font-medium text-gray-700 dark:text-gray-300">{{ _("connections.sso_auto_login") }}</span>
        </label>
      </div>
    </div>
  </section>
  {% endif %}

  <!-- Mobile Phone Upload Section -->
  <section class="bg-white dark:bg-gray-800 shadow rounded-lg p-6 mb-6">
    <div class="flex items-center justify-between">
      <div>
        <h2 class="text-lg font-semibold text-gray-900 dark:text-white">{{ _("connections.mobile_upload_title") }}</h2>
        <p class="text-sm text-gray-500 dark:text-gray-400 mt-1">{{ _("connections.mobile_upload_description") }}</p>
        {% if not frontend_url_configured %}
        <p class="text-xs text-amber-600 dark:text-amber-400 mt-2">
          <i class="fas fa-exclamation-triangle mr-1" aria-hidden="true"></i>
          {{ _("connections.frontend_url_note") }}
        </p>
        {% endif %}
      </div>
      <div>
        <label class="doc-toggle">
          <input type="checkbox" id="qr-upload-toggle" class="sr-only"
                 {% if qr_login_enabled %}checked{% endif %}
                 onchange="toggleSetting('qr_login_enabled', this.checked)">
          <span class="doc-toggle-track" aria-hidden="true"></span>
          <span class="ml-3 text-sm font-medium text-gray-700 dark:text-gray-300">{{ _("connections.qr_code_enabled") }}</span>
        </label>
      </div>
    </div>
  </section>

  <!-- Services Section -->
  <section class="mb-6">
    <h2 class="text-lg font-semibold text-gray-900 dark:text-white mb-4">{{ _("connections.unlinked_services") }}</h2>
    <div class="space-y-3">
      {% for service in services %}
      <div class="bg-white dark:bg-gray-800 shadow rounded-lg overflow-hidden border border-gray-100 dark:border-gray-700">
        <div class="p-5 flex flex-col sm:flex-row sm:items-center gap-4">
          <div class="flex items-center gap-3 flex-1 min-w-0">
            <div class="flex-shrink-0 w-10 h-10 flex items-center justify-center rounded-lg bg-gray-100 dark:bg-gray-700">
              <i class="{{ service.icon }} text-lg" aria-hidden="true"></i>
            </div>
            <div class="min-w-0 flex-1">
              <h3 class="text-base font-semibold text-gray-900 dark:text-white truncate">{{ service.name }}</h3>
              <p class="text-sm text-gray-500 dark:text-gray-400">{{ service.description }}</p>
            </div>
          </div>
          <div class="flex items-center gap-3">
            {% if service.linked %}
            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-200">
              <i class="fas fa-check-circle mr-1" aria-hidden="true"></i> {{ _("connections.linked") }}
            </span>
            {% else %}
            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-600 dark:bg-gray-700 dark:text-gray-400">
              {{ _("connections.unlinked") }}
            </span>
            {% endif %}
            <button
              type="button"
              class="inline-flex items-center px-4 py-2 text-sm font-medium rounded-md border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-200 bg-white dark:bg-gray-800 hover:bg-gray-50 dark:hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-indigo-500"
              style="min-height:44px; min-width:44px"
              onclick="openServiceModal('{{ service.key }}')"
              aria-label="{{ _('connections.configure') }} {{ service.name }}"
            >
              <i class="fas fa-cog mr-2" aria-hidden="true"></i>
              {{ _("connections.configure") }}
            </button>
          </div>
        </div>
      </div>
      {% endfor %}
    </div>
  </section>

  <p class="text-xs text-gray-400 dark:text-gray-500 mt-4">
    <i class="fas fa-info-circle mr-1" aria-hidden="true"></i>
    {{ _("connections.save_note") }}
  </p>
</main>

<!-- Service Configuration Modal -->
<div id="service-modal" class="fixed inset-0 z-50 flex items-center justify-center bg-black/50 px-4 hidden" role="dialog" aria-modal="true" aria-labelledby="service-modal-title" aria-describedby="service-modal-description">
  <div class="bg-white dark:bg-gray-800 rounded-lg shadow-xl w-full max-w-lg overflow-y-auto max-h-[90vh]" onclick="event.stopPropagation()">
    <div class="px-6 pt-6 pb-2 flex items-center justify-between border-b border-gray-200 dark:border-gray-700">
      <div>
        <h2 id="service-modal-title" class="text-lg font-semibold text-gray-900 dark:text-white"></h2>
        <p id="service-modal-description" class="text-xs text-gray-500 dark:text-gray-400 mt-1">{{ _("connections.save_note") }}</p>
      </div>
      <button type="button" onclick="closeServiceModal()" class="text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 focus:outline-none focus:ring-2 focus:ring-indigo-500 rounded-md p-1" style="min-height:44px; min-width:44px" aria-label="Close">
        <i class="fas fa-times text-xl" aria-hidden="true"></i>
      </button>
    </div>
    <form id="service-form" onsubmit="saveServiceSettings(event)">
      <div id="service-fields" class="px-6 py-4 space-y-4">
        <!-- Dynamically populated -->
      </div>
      <div class="px-6 py-4 border-t border-gray-200 dark:border-gray-700 flex justify-end gap-3">
        <button type="button" onclick="closeServiceModal()" class="px-4 py-2 text-sm font-medium rounded-md border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-200 hover:bg-gray-50 dark:hover:bg-gray-700" style="min-height:44px;">
          {{ _("common.cancel") }}
        </button>
        <button type="submit" class="inline-flex items-center px-4 py-2 text-sm font-medium rounded-md bg-indigo-600 hover:bg-indigo-700 text-white focus:outline-none focus:ring-2 focus:ring-indigo-500" style="min-height:44px;">
          <i class="fas fa-save mr-2" aria-hidden="true"></i>
          {{ _("common.save") }}
        </button>
      </div>
    </form>
  </div>
</div>

<!-- Accessible notification banner -->
<div id="save-notification" class="fixed top-4 right-4 z-[60] hidden max-w-sm" role="alert" aria-live="assertive">
  <div id="save-notification-inner" class="rounded-lg shadow-lg px-4 py-3 text-sm font-medium flex items-center gap-2">
    <i id="save-notification-icon" class="fas" aria-hidden="true"></i>
    <span id="save-notification-text"></span>
  </div>
</div>

<script>
const serviceSettings = {{ service_settings | tojson }};
const settingMetadata = {};
{% for svc_key, svc_fields in service_settings.items() %}
{% for field in svc_fields %}
settingMetadata['{{ field.key }}'] = {{ field.metadata | tojson }};
{% endfor %}
{% endfor %}

let currentServiceKey = null;

function openServiceModal(serviceKey) {
  currentServiceKey = serviceKey;
  const fields = serviceSettings[serviceKey] || [];
  const modal = document.getElementById('service-modal');
  const title = document.getElementById('service-modal-title');
  const container = document.getElementById('service-fields');

  // Find service name from the page
  const serviceCards = document.querySelectorAll('[onclick*="' + serviceKey + '"]');
  let serviceName = serviceKey;
  if (serviceCards.length > 0) {
    const card = serviceCards[0].closest('.bg-white, .dark\\:bg-gray-800');
    if (card) {
      const h3 = card.querySelector('h3');
      if (h3) serviceName = h3.textContent.trim();
    }
  }
  title.textContent = '{{ _("connections.configure") }} ' + serviceName;

  container.innerHTML = '';
  fields.forEach(function(field) {
    const meta = field.metadata || {};
    const div = document.createElement('div');
    div.setAttribute('data-field-key', field.key);

    if (meta.type === 'boolean') {
      // For boolean fields use a plain paragraph for the title so the toggle's
      // own <label> wrapper is the only interactive label (no nested <label>s).
      const titleEl = document.createElement('p');
      titleEl.className = 'block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1';
      titleEl.textContent = field.key.replace(/_/g, ' ').replace(/\b\w/g, function(c) { return c.toUpperCase(); });
      div.appendChild(titleEl);
    } else {
      const label = document.createElement('label');
      label.setAttribute('for', 'field-' + field.key);
      label.className = 'block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1';
      label.textContent = field.key.replace(/_/g, ' ').replace(/\b\w/g, function(c) { return c.toUpperCase(); });
      div.appendChild(label);
    }

    if (meta.description) {
      const desc = document.createElement('p');
      desc.className = 'text-xs text-gray-500 dark:text-gray-400 mb-2';
      desc.textContent = meta.description;
      div.appendChild(desc);
    }

    if (meta.type === 'boolean') {
      // Styled toggle switch using .doc-toggle CSS class (compatible with Tailwind v2 CDN).
      const toggleWrapper = document.createElement('label');
      toggleWrapper.className = 'doc-toggle';
      toggleWrapper.setAttribute('aria-label', field.key.replace(/_/g, ' ').replace(/\b\w/g, function(c) { return c.toUpperCase(); }));

      const checkbox = document.createElement('input');
      checkbox.type = 'checkbox';
      checkbox.id = 'field-' + field.key;
      checkbox.name = field.key;
      checkbox.className = 'sr-only';
      const val = field.value;
      if (val === true || val === 'true' || val === '1' || val === 'True') {
        checkbox.checked = true;
      }

      const slider = document.createElement('span');
      slider.className = 'doc-toggle-track';
      slider.setAttribute('aria-hidden', 'true');

      toggleWrapper.appendChild(checkbox);
      toggleWrapper.appendChild(slider);
      div.appendChild(toggleWrapper);

      // When the Dropbox "use global credentials" toggle changes, update the
      // visibility of the separate client-id / client-secret fields.
      if (field.key === 'social_auth_dropbox_use_global_credentials') {
        checkbox.addEventListener('change', function() {
          updateDropboxCredentialFieldsVisibility(this.checked);
        });
      }
      // When the Google "use global credentials" toggle changes, update visibility.
      if (field.key === 'social_auth_google_use_global_credentials') {
        checkbox.addEventListener('change', function() {
          updateGoogleCredentialFieldsVisibility(this.checked);
        });
      }
      // When the Microsoft "use global credentials" toggle changes, update visibility.
      if (field.key === 'social_auth_microsoft_use_global_credentials') {
        checkbox.addEventListener('change', function() {
          updateMicrosoftCredentialFieldsVisibility(this.checked);
        });
      }
    } else {
      const input = document.createElement('input');
      input.type = meta.sensitive ? 'password' : 'text';
      input.id = 'field-' + field.key;
      input.name = field.key;
      input.className = 'w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 dark:bg-gray-700 dark:text-white text-sm';
      input.placeholder = meta.sensitive ? '••••••••' : '';
      // Don't pre-fill sensitive values with masked data
      if (!meta.sensitive && field.value != null) {
        input.value = field.value;
      }
      div.appendChild(input);
    }

    if (meta.help_link) {
      const link = document.createElement('a');
      link.href = meta.help_link;
      link.target = '_blank';
      link.rel = 'noopener noreferrer';
      link.className = 'text-xs text-indigo-600 hover:text-indigo-500 mt-1 inline-block';
      link.textContent = meta.help_link_label || 'Documentation';
      div.appendChild(link);
    }

    container.appendChild(div);
  });

  // Apply initial visibility for Dropbox credential fields based on the
  // current value of the "use global credentials" toggle.
  if (currentServiceKey === 'dropbox') {
    const useGlobalField = fields.find(function(f) { return f.key === 'social_auth_dropbox_use_global_credentials'; });
    if (useGlobalField) {
      const val = useGlobalField.value;
      const isGlobal = val === true || val === 'true' || val === '1' || val === 'True';
      updateDropboxCredentialFieldsVisibility(isGlobal);
    }
  }
  // Apply initial visibility for Google credential fields.
  if (currentServiceKey === 'google') {
    const useGlobalField = fields.find(function(f) { return f.key === 'social_auth_google_use_global_credentials'; });
    if (useGlobalField) {
      const val = useGlobalField.value;
      const isGlobal = val === true || val === 'true' || val === '1' || val === 'True';
      updateGoogleCredentialFieldsVisibility(isGlobal);
    }
  }
  // Apply initial visibility for Microsoft credential fields.
  if (currentServiceKey === 'microsoft') {
    const useGlobalField = fields.find(function(f) { return f.key === 'social_auth_microsoft_use_global_credentials'; });
    if (useGlobalField) {
      const val = useGlobalField.value;
      const isGlobal = val === true || val === 'true' || val === '1' || val === 'True';
      updateMicrosoftCredentialFieldsVisibility(isGlobal);
    }
  }

  modal.classList.remove('hidden');
  // Focus first input
  setTimeout(function() {
    const firstInput = container.querySelector('input');
    if (firstInput) firstInput.focus();
  }, 100);
}

function closeServiceModal() {
  document.getElementById('service-modal').classList.add('hidden');
  currentServiceKey = null;
}

function saveServiceSettings(event) {
  event.preventDefault();
  if (!currentServiceKey) return;

  const fields = serviceSettings[currentServiceKey] || [];
  const updates = {};

  fields.forEach(function(field) {
    const meta = field.metadata || {};
    const el = document.getElementById('field-' + field.key);
    if (!el) return;

    if (meta.type === 'boolean') {
      updates[field.key] = el.checked ? 'true' : 'false';
    } else {
      // Only send non-empty values for sensitive fields (empty = no change)
      if (meta.sensitive && !el.value) return;
      updates[field.key] = el.value;
    }
  });

  // Save each setting via the API
  const csrfToken = document.querySelector('meta[name="csrf-token"]')?.content || '';
  const promises = Object.entries(updates).map(function([key, value]) {
    return fetch('/api/settings/' + key, {
      method: 'PUT',
      headers: {
        'Content-Type': 'application/json',
        'X-CSRF-Token': csrfToken,
      },
      body: JSON.stringify({ value: value }),
    });
  });

  Promise.all(promises)
    .then(function(responses) {
      const allOk = responses.every(function(r) { return r.ok; });
      if (allOk) {
        closeServiceModal();
        location.reload();
      } else {
        showNotification('error', 'Some settings failed to save. Please check the values and try again.');
      }
    })
    .catch(function(err) {
      console.error('Error saving settings:', err);
      showNotification('error', 'Failed to save settings. Please try again.');
    });
}

// Show or hide the Dropbox client-id / client-secret fields depending on
// whether the "use global credentials" toggle is enabled.
function updateDropboxCredentialFieldsVisibility(useGlobal) {
  ['social_auth_dropbox_client_id', 'social_auth_dropbox_client_secret'].forEach(function(key) {
    const el = document.querySelector('[data-field-key="' + key + '"]');
    if (el) {
      el.style.display = useGlobal ? 'none' : '';
    }
  });
}

// Show or hide the Google client-id / client-secret fields depending on
// whether the "use global credentials" toggle is enabled.
function updateGoogleCredentialFieldsVisibility(useGlobal) {
  ['social_auth_google_client_id', 'social_auth_google_client_secret'].forEach(function(key) {
    const el = document.querySelector('[data-field-key="' + key + '"]');
    if (el) {
      el.style.display = useGlobal ? 'none' : '';
    }
  });
}

// Show or hide the Microsoft client-id / client-secret fields depending on
// whether the "use global credentials" toggle is enabled.
function updateMicrosoftCredentialFieldsVisibility(useGlobal) {
  ['social_auth_microsoft_client_id', 'social_auth_microsoft_client_secret'].forEach(function(key) {
    const el = document.querySelector('[data-field-key="' + key + '"]');
    if (el) {
      el.style.display = useGlobal ? 'none' : '';
    }
  });
}

function toggleSetting(key, value) {
  const csrfToken = document.querySelector('meta[name="csrf-token"]')?.content || '';
  fetch('/api/settings/' + key, {
    method: 'PUT',
    headers: {
      'Content-Type': 'application/json',
      'X-CSRF-Token': csrfToken,
    },
    body: JSON.stringify({ value: value ? 'true' : 'false' }),
  }).catch(function(err) {
    console.error('Error toggling setting:', err);
  });
}

// Close modal on Escape
document.addEventListener('keydown', function(e) {
  if (e.key === 'Escape') closeServiceModal();
});

// Close modal on backdrop click
document.getElementById('service-modal')?.addEventListener('click', function(e) {
  if (e.target === this) closeServiceModal();
});

function showNotification(type, message) {
  var el = document.getElementById('save-notification');
  var inner = document.getElementById('save-notification-inner');
  var icon = document.getElementById('save-notification-icon');
  var text = document.getElementById('save-notification-text');
  if (!el) return;
  text.textContent = message;
  if (type === 'error') {
    inner.className = 'rounded-lg shadow-lg px-4 py-3 text-sm font-medium flex items-center gap-2 bg-red-100 text-red-800 dark:bg-red-900 dark:text-red-200';
    icon.className = 'fas fa-exclamation-circle';
  } else {
    inner.className = 'rounded-lg shadow-lg px-4 py-3 text-sm font-medium flex items-center gap-2 bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-200';
    icon.className = 'fas fa-check-circle';
  }
  el.classList.remove('hidden');
  setTimeout(function() { el.classList.add('hidden'); }, 5000);
}
</script>
{% endblock %}