import { GlIcon, GlSkeletonLoader } from '@gitlab/ui';
import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import VueApollo from 'vue-apollo';
import issueQueryResponse from 'test_fixtures/graphql/issuable/popover/queries/issue.query.graphql.json';
import issueQuery from 'ee_else_ce/issuable/popover/queries/issue.query.graphql';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import IssueDueDate from '~/boards/components/issue_due_date.vue';
import IssueMilestone from '~/issuable/components/issue_milestone.vue';
import StatusBox from '~/issuable/components/status_box.vue';
import IssuePopover from '~/issuable/popover/components/issue_popover.vue';
import WorkItemTypeIcon from '~/work_items/components/work_item_type_icon.vue';

describe('Issue Popover', () => {
  let wrapper;

  Vue.use(VueApollo);

  const findWorkItemIcon = () => wrapper.findComponent(WorkItemTypeIcon);

  const mountComponent = ({
    queryResponse = jest.fn().mockResolvedValue(issueQueryResponse),
  } = {}) => {
    wrapper = shallowMount(IssuePopover, {
      apolloProvider: createMockApollo([[issueQuery, queryResponse]]),
      propsData: {
        target: document.createElement('a'),
        projectPath: 'foo/bar',
        iid: '1',
        cachedTitle: 'Cached title',
      },
    });
  };

  afterEach(() => {
    wrapper.destroy();
  });

  it('shows skeleton-loader while apollo is loading', () => {
    mountComponent();

    expect(wrapper.findComponent(GlSkeletonLoader).exists()).toBe(true);
  });

  it('should not show any work item icon while apollo is loading', () => {
    mountComponent();

    expect(findWorkItemIcon().exists()).toBe(false);
  });

  describe('when loaded', () => {
    beforeEach(() => {
      mountComponent();
      return waitForPromises();
    });

    it('shows status badge', () => {
      expect(wrapper.findComponent(StatusBox).props()).toEqual({
        issuableType: 'issue',
        initialState: issueQueryResponse.data.project.issue.state,
      });
    });

    it('shows opened time', () => {
      expect(wrapper.text()).toContain('Opened 4 days ago');
    });

    it('shows title', () => {
      expect(wrapper.find('h5').text()).toBe(issueQueryResponse.data.project.issue.title);
    });

    it('shows the work type icon', () => {
      expect(findWorkItemIcon().props('workItemType')).toBe(
        issueQueryResponse.data.project.issue.type,
      );
    });

    it('shows reference', () => {
      expect(wrapper.text()).toContain('foo/bar#1');
    });

    it('shows confidential icon', () => {
      const icon = wrapper.findComponent(GlIcon);

      expect(icon.exists()).toBe(true);
      expect(icon.props('name')).toBe('eye-slash');
    });

    it('shows due date', () => {
      const component = wrapper.findComponent(IssueDueDate);

      expect(component.exists()).toBe(true);
      expect(component.props('date')).toBe('2020-07-05');
      expect(component.props('closed')).toBe(false);
    });

    it('shows milestone', () => {
      const component = wrapper.findComponent(IssueMilestone);

      expect(component.exists()).toBe(true);
      expect(component.props('milestone')).toMatchObject({
        title: '15.2',
        startDate: '2020-07-01',
        dueDate: '2020-07-30',
      });
    });
  });
});