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 getAnnouncementActionButtonState() {
  var actionForm = document.getElementById('announcement-action-form');
  var visibleButton = document.querySelector('button[form="announcement-action-form"]');
  var actionPath = actionForm ? String(actionForm.getAttribute('action') || '').trim() : '';
  var isPlay = /\/play$/.test(actionPath);
  var isActive = !isPlay;
  var selectedScreenCount = document.querySelectorAll('input[name="screen_ids[]"]:checked').length;

  return {
    visibleButton: visibleButton,
    actionForm: actionForm,
    isActive: isActive,
    hasTargets: selectedScreenCount > 0,
    actionDisabled: !isActive && selectedScreenCount === 0,
    actionLabel: isActive ? 'Stop' : 'Play',
    actionIcon: isActive ? 'bi-stop-fill' : 'bi-play-fill',
    actionClassName: !isActive && selectedScreenCount === 0
      ? 'btn-outline-info'
      : (isActive ? 'btn-outline-warning' : 'btn-info'),
    actionDisabledTitle: !isActive && selectedScreenCount === 0
      ? 'Select at least one screen group to play this announcement.'
      : '',
    actionConfirmMessage: isActive
      ? 'Stop this announcement on the selected screens now?'
      : 'Send this announcement to the selected screens now?'
  };
}

function updateAnnouncementActionButtonState() {
  var state = getAnnouncementActionButtonState();
  if (!state.visibleButton) {
    return;
  }

  state.visibleButton.className = state.visibleButton.className.replace(/btn-outline-(info|warning|success)|btn-info/g, state.actionClassName);
  state.visibleButton.disabled = state.actionDisabled;
  state.visibleButton.setAttribute('aria-disabled', state.actionDisabled ? 'true' : 'false');
  state.visibleButton.setAttribute('title', state.actionDisabled ? state.actionDisabledTitle : state.actionConfirmMessage);
  state.visibleButton.setAttribute('aria-label', state.actionLabel);

  var icon = state.visibleButton.querySelector('i.bi');
  if (icon) {
    icon.className = 'bi ' + state.actionIcon + ' me-1';
  }

  var label = state.visibleButton.childNodes.length > 1 ? state.visibleButton.childNodes[state.visibleButton.childNodes.length - 1] : null;
  if (label && label.nodeType === Node.TEXT_NODE) {
    label.textContent = state.actionLabel;
  } else {
    state.visibleButton.textContent = state.actionLabel;
  }

  if (state.actionForm) {
    state.actionForm.setAttribute('data-confirm-message', state.actionConfirmMessage);
  }
}

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 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]');

  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);
    });
  }

  document.addEventListener('web-async-save:success', function (event) {
    var detail = event && event.detail ? event.detail : null;
    var form = detail && detail.form ? detail.form : null;
    if (!form || form.id !== 'announcement-form') {
      return;
    }

    updateAnnouncementActionButtonState();
  });

  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();
      }
    }

  });

  updateAnnouncementActionButtonState();
}

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