import { withPluginApi } from 'discourse/lib/plugin-api';
import computed from 'ember-addons/ember-computed-decorators';
import showModal from 'discourse/lib/show-modal';

function initializePollUIBuilder(api) {
  api.modifyClass('controller:composer', {
    @computed('siteSettings.poll_enabled', 'siteSettings.poll_minimum_trust_level_to_create', 'model.topic.pm_with_non_human_user')
    canBuildPoll(pollEnabled, minimumTrustLevel, pmWithNonHumanUser) {
      return pollEnabled &&
        (
          pmWithNonHumanUser ||
          this.currentUser &&
          (
            this.currentUser.staff ||
            this.currentUser.trust_level >= minimumTrustLevel
          )
        );
    },

    actions: {
      showPollBuilder() {
        showModal('poll-ui-builder').set('toolbarEvent', this.get('toolbarEvent'));
      }
    }
  });

  api.addToolbarPopupMenuOptionsCallback(function() {
    return {
      action: 'showPollBuilder',
      icon: 'bar-chart-o',
      label: 'poll.ui_builder.title',
      condition: 'canBuildPoll'
    };
  });
}

export default {
  name: 'add-poll-ui-builder',

  initialize() {
    withPluginApi('0.8.7', initializePollUIBuilder);
  }
};