function updateAnnouncementDurationFields() {
  var modeSelect = document.getElementById('announcement-duration-mode');
  var durationFields = document.querySelector('[data-announcement-duration-value-fields]');
  if (!modeSelect || !durationFields) {
    return;
  }

  var durationValueInput = document.getElementById('announcement-duration-value');
  var durationUnitSelect = document.getElementById('announcement-duration-unit');
  var isDurationMode = String(modeSelect.value || '').trim() === 'duration';

  durationFields.hidden = !isDurationMode;
  if (durationValueInput) {
    durationValueInput.disabled = !isDurationMode;
  }
  if (durationUnitSelect) {
    durationUnitSelect.disabled = !isDurationMode;
  }
}

function updateAnnouncementColorPickerSelection() {
  var colorInput = document.getElementById('announcement-color');
  var picker = document.querySelector('[data-announcement-color-picker-shell]');
  if (!colorInput || !picker) {
    return;
  }

  var selectedValue = String(colorInput.value || '').trim().toLowerCase() || 'primary';
  picker.querySelectorAll('[data-announcement-color-option]').forEach(function (button) {
    var isSelected = String(button.getAttribute('data-color-key') || '').trim().toLowerCase() === selectedValue;
    button.classList.toggle('is-selected', isSelected);
    button.setAttribute('aria-pressed', isSelected ? 'true' : 'false');
  });
}

function setAnnouncementScreenSelection(isSelected) {
  document.querySelectorAll('input[name="screen_ids[]"]').forEach(function (input) {
    input.checked = isSelected;
  });
}

function positionAnnouncementTypePicker() {
  var picker = document.querySelector('[data-announcement-type-picker]');
  var toggle = document.querySelector('[data-announcement-type-picker-toggle]');
  var shell = document.querySelector('[data-announcement-type-picker-shell]');
  if (!picker || picker.hidden || !toggle || !shell) {
    return;
  }

  var padding = 8;
  var toggleRect = toggle.getBoundingClientRect();
  var menuRect = picker.getBoundingClientRect();
  var viewportHeight = window.innerHeight || document.documentElement.clientHeight || toggleRect.bottom;
  var placementAbove = false;
  var spaceBelow = viewportHeight - toggleRect.bottom - padding;
  var spaceAbove = toggleRect.top - padding;

  if (menuRect.height > spaceBelow && spaceAbove > spaceBelow) {
    placementAbove = true;
  }

  picker.classList.toggle('is-open-above', placementAbove);
}

function closeAnnouncementTypePicker() {
  var picker = document.querySelector('[data-announcement-type-picker]');
  var toggle = document.querySelector('[data-announcement-type-picker-toggle]');
  if (!picker) {
    return;
  }

  picker.hidden = true;
  picker.classList.remove('is-open-above');
  if (toggle) {
    toggle.setAttribute('aria-expanded', 'false');
  }
}

function openAnnouncementTypePicker() {
  var picker = document.querySelector('[data-announcement-type-picker]');
  var toggle = document.querySelector('[data-announcement-type-picker-toggle]');
  if (!picker) {
    return;
  }

  picker.hidden = false;
  if (toggle) {
    toggle.setAttribute('aria-expanded', 'true');
  }

  if (typeof window !== 'undefined' && window.requestAnimationFrame) {
    window.requestAnimationFrame(positionAnnouncementTypePicker);
  } else {
    positionAnnouncementTypePicker();
  }
}

function updateAnnouncementTypePickerSelection() {
  var typeInput = document.getElementById('announcement-type');
  var previewButton = document.querySelector('[data-announcement-type-picker-toggle]');
  var picker = document.querySelector('[data-announcement-type-picker]');
  if (!typeInput || !previewButton || !picker) {
    return;
  }

  var selectedValue = String(typeInput.value || '').trim().toLowerCase();
  var selectedOption = picker.querySelector('[data-announcement-type-option][data-type-key="' + selectedValue + '"]');
  var label = selectedOption ? String(selectedOption.getAttribute('data-type-label') || selectedOption.textContent || selectedValue).trim() : selectedValue;
  var iconKey = selectedOption ? String(selectedOption.getAttribute('data-type-icon') || '').trim().toLowerCase() : '';
  var icon = previewButton.querySelector('[data-announcement-type-picker-icon]');
  var text = previewButton.querySelector('[data-announcement-type-picker-label]');

  previewButton.setAttribute('aria-label', label);
  previewButton.setAttribute('title', label);
  if (icon) {
    icon.className = 'bi bi-' + iconKey;
  }
  if (text) {
    text.textContent = label;
  }

  picker.querySelectorAll('[data-announcement-type-option]').forEach(function (button) {
    var isSelected = String(button.getAttribute('data-type-key') || '').trim().toLowerCase() === selectedValue;
    button.classList.toggle('is-selected', isSelected);
    button.setAttribute('aria-pressed', isSelected ? 'true' : 'false');
  });
}

function setAnnouncementTypeValue(typeKey) {
  var typeInput = document.getElementById('announcement-type');
  if (!typeInput) {
    return;
  }

  var normalized = String(typeKey || '').trim().toLowerCase();
  if (!normalized) {
    return;
  }

  typeInput.value = normalized;
  updateAnnouncementTypePickerSelection();
}

function updateAnnouncementIconPreview() {
  var iconSelect = document.getElementById('announcement-icon');
  var preview = document.querySelector('[data-announcement-icon-preview]');
  if (!iconSelect || !preview) {
    return;
  }

  var selectedOption = iconSelect.options[iconSelect.selectedIndex] || null;
  var iconKey = selectedOption ? String(selectedOption.value || '').trim().toLowerCase() : '';
  var label = selectedOption ? String(selectedOption.textContent || selectedOption.label || iconKey).trim() : iconKey;

  preview.className = 'announcement-icon-preview';
  preview.innerHTML = '<i class="bi bi-' + iconKey + '" aria-hidden="true"></i>';
  preview.setAttribute('aria-label', label);
  preview.setAttribute('title', label);
}

function positionAnnouncementIconPicker() {
  var picker = document.querySelector('[data-announcement-icon-picker]');
  var toggle = document.querySelector('[data-announcement-icon-picker-toggle]');
  var shell = document.querySelector('[data-announcement-icon-picker-shell]');
  if (!picker || picker.hidden || !toggle || !shell) {
    return;
  }

  var padding = 8;
  var toggleRect = toggle.getBoundingClientRect();
  var menuRect = picker.getBoundingClientRect();
  var viewportHeight = window.innerHeight || document.documentElement.clientHeight || toggleRect.bottom;
  var placementAbove = false;
  var spaceBelow = viewportHeight - toggleRect.bottom - padding;
  var spaceAbove = toggleRect.top - padding;

  if (menuRect.height > spaceBelow && spaceAbove > spaceBelow) {
    placementAbove = true;
  }

  picker.classList.toggle('is-open-above', placementAbove);
}

function closeAnnouncementIconPicker() {
  var picker = document.querySelector('[data-announcement-icon-picker]');
  var toggle = document.querySelector('[data-announcement-icon-picker-toggle]');
  if (!picker) {
    return;
  }

  picker.hidden = true;
  picker.classList.remove('is-open-above');
  if (toggle) {
    toggle.setAttribute('aria-expanded', 'false');
  }
}

function openAnnouncementIconPicker() {
  var picker = document.querySelector('[data-announcement-icon-picker]');
  var toggle = document.querySelector('[data-announcement-icon-picker-toggle]');
  if (!picker) {
    return;
  }

  picker.hidden = false;
  if (toggle) {
    toggle.setAttribute('aria-expanded', 'true');
  }

  if (typeof window !== 'undefined' && window.requestAnimationFrame) {
    window.requestAnimationFrame(positionAnnouncementIconPicker);
  } else {
    positionAnnouncementIconPicker();
  }
}

function updateAnnouncementIconPickerSelection() {
  var iconSelect = document.getElementById('announcement-icon');
  var previewButton = document.querySelector('[data-announcement-icon-picker-toggle]');
  var picker = document.querySelector('[data-announcement-icon-picker]');
  if (!iconSelect || !previewButton || !picker) {
    return;
  }

  var selectedOption = iconSelect.options[iconSelect.selectedIndex] || null;
  var selectedValue = selectedOption ? String(selectedOption.value || '').trim().toLowerCase() : '';
  var label = selectedOption ? String(selectedOption.textContent || selectedOption.label || selectedValue).trim() : selectedValue;
  var icon = previewButton.querySelector('[data-announcement-icon-picker-icon]');
  var text = previewButton.querySelector('[data-announcement-icon-picker-label]');

  previewButton.setAttribute('aria-label', label);
  previewButton.setAttribute('title', label);
  if (icon) {
    icon.className = 'bi bi-' + selectedValue;
  }
  if (text) {
    text.textContent = label;
  }

  picker.querySelectorAll('[data-announcement-icon-option]').forEach(function (button) {
    var isSelected = String(button.getAttribute('data-icon-key') || '').trim().toLowerCase() === selectedValue;
    button.classList.toggle('is-selected', isSelected);
    button.setAttribute('aria-pressed', isSelected ? 'true' : 'false');
  });
}

function setAnnouncementIconValue(iconKey) {
  var iconSelect = document.getElementById('announcement-icon');
  if (!iconSelect) {
    return;
  }

  var normalized = String(iconKey || '').trim().toLowerCase();
  if (!normalized) {
    return;
  }

  iconSelect.value = normalized;
  updateAnnouncementIconPreview();
  updateAnnouncementIconPickerSelection();
}

function initAnnouncementForm() {
  var typeInput = document.getElementById('announcement-type');
  var typePickerToggle = document.querySelector('[data-announcement-type-picker-toggle]');
  var typePicker = document.querySelector('[data-announcement-type-picker]');
  var typePickerClose = document.querySelector('[data-announcement-type-picker-close]');
  var modeSelect = document.getElementById('announcement-duration-mode');
  var colorInput = document.getElementById('announcement-color');
  var colorPicker = document.querySelector('[data-announcement-color-picker-shell]');
  var screenSelectAll = document.querySelector('[data-announcement-screen-select-all]');
  var screenSelectNone = document.querySelector('[data-announcement-screen-select-none]');
  var iconSelect = document.getElementById('announcement-icon');
  var iconPickerToggle = document.querySelector('[data-announcement-icon-picker-toggle]');
  var iconPicker = document.querySelector('[data-announcement-icon-picker]');
  var iconPickerClose = document.querySelector('[data-announcement-icon-picker-close]');

  if (typeInput) {
    updateAnnouncementTypePickerSelection();
  }

  if (typePickerToggle) {
    typePickerToggle.addEventListener('click', function (event) {
      event.preventDefault();
      var isExpanded = typePicker && !typePicker.hidden;
      if (isExpanded) {
        closeAnnouncementTypePicker();
      } else {
        openAnnouncementTypePicker();
      }
    });
  }

  if (typePickerClose) {
    typePickerClose.addEventListener('click', function (event) {
      event.preventDefault();
      closeAnnouncementTypePicker();
    });
  }

  if (typePicker) {
    typePicker.addEventListener('click', function (event) {
      var button = event.target && event.target.closest ? event.target.closest('[data-announcement-type-option]') : null;
      if (!button) {
        return;
      }

      event.preventDefault();
      setAnnouncementTypeValue(button.getAttribute('data-type-key'));
      closeAnnouncementTypePicker();
    });
  }

  if (modeSelect) {
    modeSelect.addEventListener('change', updateAnnouncementDurationFields);
    updateAnnouncementDurationFields();
  }

  if (colorInput) {
    updateAnnouncementColorPickerSelection();
  }

  if (colorPicker) {
    colorPicker.addEventListener('click', function (event) {
      var button = event.target && event.target.closest ? event.target.closest('[data-announcement-color-option]') : null;
      if (!button) {
        return;
      }

      event.preventDefault();
      colorInput.value = String(button.getAttribute('data-color-key') || '').trim().toLowerCase();
      updateAnnouncementColorPickerSelection();
    });
  }

  if (screenSelectAll) {
    screenSelectAll.addEventListener('click', function (event) {
      event.preventDefault();
      setAnnouncementScreenSelection(true);
    });
  }

  if (screenSelectNone) {
    screenSelectNone.addEventListener('click', function (event) {
      event.preventDefault();
      setAnnouncementScreenSelection(false);
    });
  }

  if (iconSelect) {
    iconSelect.addEventListener('change', updateAnnouncementIconPreview);
    updateAnnouncementIconPreview();
  }

  if (iconPickerToggle) {
    iconPickerToggle.addEventListener('click', function (event) {
      event.preventDefault();
      var isExpanded = iconPicker && !iconPicker.hidden;
      if (isExpanded) {
        closeAnnouncementIconPicker();
      } else {
        openAnnouncementIconPicker();
      }
    });
  }

  if (iconPickerClose) {
    iconPickerClose.addEventListener('click', function (event) {
      event.preventDefault();
      closeAnnouncementIconPicker();
    });
  }

  if (iconPicker) {
    iconPicker.addEventListener('click', function (event) {
      var button = event.target && event.target.closest ? event.target.closest('[data-announcement-icon-option]') : null;
      if (!button) {
        return;
      }

      event.preventDefault();
      setAnnouncementIconValue(button.getAttribute('data-icon-key'));
      closeAnnouncementIconPicker();
    });
  }

  window.addEventListener('resize', positionAnnouncementIconPicker);
  window.addEventListener('resize', positionAnnouncementTypePicker);

  document.addEventListener('click', function (event) {
    var typePickerNode = document.querySelector('[data-announcement-type-picker]');
    var typeToggleNode = document.querySelector('[data-announcement-type-picker-toggle]');
    if (typePickerNode && !typePickerNode.hidden) {
      if (!(typePickerNode.contains(event.target) || (typeToggleNode && typeToggleNode.contains(event.target)))) {
        closeAnnouncementTypePicker();
      }
    }

    var picker = document.querySelector('[data-announcement-icon-picker]');
    var toggle = document.querySelector('[data-announcement-icon-picker-toggle]');
    if (!picker || picker.hidden) {
      return;
    }

    if (picker.contains(event.target) || (toggle && toggle.contains(event.target))) {
      return;
    }

    closeAnnouncementIconPicker();
  });

  updateAnnouncementIconPickerSelection();
}

if (typeof document !== 'undefined') {
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', initAnnouncementForm, { once: true });
  } else {
    initAnnouncementForm();
  }
}