import Vue from 'vue';
import tableRowComp from '~/pipelines/components/pipelines_table_row.vue';

describe('Pipelines Table Row', () => {
  const jsonFixtureName = 'pipelines/pipelines.json';
  const buildComponent = (pipeline) => {
    const PipelinesTableRowComponent = Vue.extend(tableRowComp);
    return new PipelinesTableRowComponent({
      el: document.querySelector('.test-dom-element'),
      propsData: {
        pipeline,
        service: {},
      },
    }).$mount();
  };

  let component;
  let pipeline;
  let pipelineWithoutAuthor;
  let pipelineWithoutCommit;

  preloadFixtures(jsonFixtureName);

  beforeEach(() => {
    const pipelines = getJSONFixture(jsonFixtureName).pipelines;
    pipeline = pipelines.find(p => p.id === 1);
    pipelineWithoutAuthor = pipelines.find(p => p.id === 2);
    pipelineWithoutCommit = pipelines.find(p => p.id === 3);
  });

  afterEach(() => {
    component.$destroy();
  });

  it('should render a table row', () => {
    component = buildComponent(pipeline);
    expect(component.$el.getAttribute('class')).toContain('gl-responsive-table-row');
  });

  describe('status column', () => {
    beforeEach(() => {
      component = buildComponent(pipeline);
    });

    it('should render a pipeline link', () => {
      expect(
        component.$el.querySelector('.table-section.commit-link a').getAttribute('href'),
      ).toEqual(pipeline.path);
    });

    it('should render status text', () => {
      expect(
        component.$el.querySelector('.table-section.commit-link a').textContent,
      ).toContain(pipeline.details.status.text);
    });
  });

  describe('information column', () => {
    beforeEach(() => {
      component = buildComponent(pipeline);
    });

    it('should render a pipeline link', () => {
      expect(
        component.$el.querySelector('.table-section:nth-child(2) a').getAttribute('href'),
      ).toEqual(pipeline.path);
    });

    it('should render pipeline ID', () => {
      expect(
        component.$el.querySelector('.table-section:nth-child(2) a > span').textContent,
      ).toEqual(`#${pipeline.id}`);
    });

    describe('when a user is provided', () => {
      it('should render user information', () => {
        expect(
          component.$el.querySelector('.table-section:nth-child(2) a:nth-child(3)').getAttribute('href'),
        ).toEqual(pipeline.user.path);

        expect(
          component.$el.querySelector('.table-section:nth-child(2) img').getAttribute('data-original-title'),
        ).toEqual(pipeline.user.name);
      });
    });
  });

  describe('commit column', () => {
    it('should render link to commit', () => {
      component = buildComponent(pipeline);

      const commitLink = component.$el.querySelector('.branch-commit .commit-sha');
      expect(commitLink.getAttribute('href')).toEqual(pipeline.commit.commit_path);
    });

    const findElements = () => {
      const commitTitleElement = component.$el.querySelector('.branch-commit .commit-title');
      const commitAuthorElement = commitTitleElement.querySelector('a.avatar-image-container');

      if (!commitAuthorElement) {
        return { commitAuthorElement };
      }

      const commitAuthorLink = commitAuthorElement.getAttribute('href');
      const commitAuthorName = commitAuthorElement.querySelector('img.avatar').getAttribute('data-original-title');

      return { commitAuthorElement, commitAuthorLink, commitAuthorName };
    };

    it('renders nothing without commit', () => {
      expect(pipelineWithoutCommit.commit).toBe(null);
      component = buildComponent(pipelineWithoutCommit);

      const { commitAuthorElement } = findElements();

      expect(commitAuthorElement).toBe(null);
    });

    it('renders commit author', () => {
      component = buildComponent(pipeline);
      const { commitAuthorLink, commitAuthorName } = findElements();

      expect(commitAuthorLink).toEqual(pipeline.commit.author.path);
      expect(commitAuthorName).toEqual(pipeline.commit.author.username);
    });

    it('renders commit with unregistered author', () => {
      expect(pipelineWithoutAuthor.commit.author).toBe(null);
      component = buildComponent(pipelineWithoutAuthor);

      const { commitAuthorLink, commitAuthorName } = findElements();

      expect(commitAuthorLink).toEqual(`mailto:${pipelineWithoutAuthor.commit.author_email}`);
      expect(commitAuthorName).toEqual(pipelineWithoutAuthor.commit.author_name);
    });
  });

  describe('stages column', () => {
    beforeEach(() => {
      component = buildComponent(pipeline);
    });

    it('should render an icon for each stage', () => {
      expect(
        component.$el.querySelectorAll('.table-section:nth-child(4) .js-builds-dropdown-button').length,
      ).toEqual(pipeline.details.stages.length);
    });
  });

  describe('actions column', () => {
    beforeEach(() => {
      component = buildComponent(pipeline);
    });

    it('should render the provided actions', () => {
      expect(
        component.$el.querySelectorAll('.table-section:nth-child(6) ul li').length,
      ).toEqual(pipeline.details.manual_actions.length);
    });
  });
});