// Shared announcement form view-model builder.

const { DEFAULT_ANNOUNCEMENT_ICON } = require('#src/data/announcement-icons');

function buildDefaultAnnouncement() {
  return {
    id: null,
    message: '',
    short_label: '',
    announcement_type: 'lower-third',
    color_key: 'primary',
    icon_key: DEFAULT_ANNOUNCEMENT_ICON,
    durationMode: 'duration',
    duration_seconds: null,
    durationValue: 5,
    durationUnit: 'minutes',
    durationLabel: 'Until disabled',
    screen_ids: []
  };
}

function buildAnnouncementFormViewModel(announcement, message, currentUser, options, isEdit) {
  const announcementTypes = Array.isArray(options && options.announcementTypes) ? options.announcementTypes : [];
  const announcementColors = Array.isArray(options && options.announcementColors) ? options.announcementColors : [];
  const announcementIcons = Array.isArray(options && options.announcementIcons) ? options.announcementIcons : [];
  const announcementScreens = Array.isArray(options && options.announcementScreens) ? options.announcementScreens : [];
  const viewOptions = options || {};
  const viewAnnouncement = Object.assign({}, buildDefaultAnnouncement(), announcement || {});
  const canDelete = Boolean(currentUser && Array.isArray(currentUser.permissionKeys) && currentUser.permissionKeys.indexOf('announcements.delete') !== -1);
  const hasTargets = Array.isArray(viewAnnouncement.screen_ids) && viewAnnouncement.screen_ids.length > 0;
  const isActive = !(viewAnnouncement.expires_at && new Date(viewAnnouncement.expires_at).getTime() <= Date.now());

  return {
    title: isEdit ? 'Edit announcement' : 'Add announcement',
    active: 'announcements',
    message: message,
    currentUser: currentUser || null,
    announcement: viewAnnouncement,
    isEdit: Boolean(isEdit),
    showSaveSecondaryActions: true,
    messageVariant: viewOptions.messageVariant || '',
    actionLabel: isActive ? 'Stop' : 'Play',
    actionIcon: isActive ? 'bi-stop-fill' : 'bi-play-fill',
    actionDisabled: !isActive && !hasTargets,
    actionClassName: !isActive && !hasTargets
      ? 'btn-outline-info'
      : (isActive ? 'btn-outline-warning' : 'btn-info'),
    actionDisabledTitle: !isActive && !hasTargets
      ? '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?',
    actionPath: isEdit && viewAnnouncement.id
      ? (isActive ? '/announcements/' + viewAnnouncement.id + '/stop' : '/announcements/' + viewAnnouncement.id + '/play')
      : '',
    showDeleteAction: Boolean(canDelete || !isEdit),
    deleteDisabled: !isEdit || !Boolean(viewAnnouncement && viewAnnouncement.canDelete),
    deleteConfirmMessage: isEdit ? 'Delete this announcement?' : '',
    deleteTitle: !isEdit
      ? 'Delete is available after the announcement has been created.'
      : (!Boolean(viewAnnouncement && viewAnnouncement.canDelete) ? 'This announcement is currently active and cannot be deleted.' : ''),
    formAction: isEdit && viewAnnouncement && viewAnnouncement.id ? '/announcements/' + viewAnnouncement.id : '/announcements',
    formAttrs: 'data-async-save' + (isEdit ? ' data-async-save-close-url="/announcements"' : ' data-async-save-new-redirect="response-url"') + ' data-async-save-new-url="/announcements/new"',
    cancelUrl: '/announcements',
    deleteUrl: isEdit && viewAnnouncement && viewAnnouncement.id ? '/announcements/' + viewAnnouncement.id + '/delete' : '',
    actionFormId: 'announcement-action-form',
    announcementTypes: announcementTypes,
    announcementColors: announcementColors,
    announcementIcons: announcementIcons,
    announcementScreens: announcementScreens
  };
}

module.exports = {
  buildAnnouncementFormViewModel: buildAnnouncementFormViewModel
};