import '~/commons';
import { GlTableLite } from '@gitlab/ui';
import { mount } from '@vue/test-utils';
import fixture from 'test_fixtures/pipelines/pipelines.json';
import { mockTracking, unmockTracking } from 'helpers/tracking_helper';
import { extendedWrapper } from 'helpers/vue_test_utils_helper';
import PipelineMiniGraph from '~/pipelines/components/pipeline_mini_graph/pipeline_mini_graph.vue';
import PipelineOperations from '~/pipelines/components/pipelines_list/pipeline_operations.vue';
import PipelineTriggerer from '~/pipelines/components/pipelines_list/pipeline_triggerer.vue';
import PipelineUrl from '~/pipelines/components/pipelines_list/pipeline_url.vue';
import PipelinesTable from '~/pipelines/components/pipelines_list/pipelines_table.vue';
import PipelinesTimeago from '~/pipelines/components/pipelines_list/time_ago.vue';
import {
  PipelineKeyOptions,
  BUTTON_TOOLTIP_RETRY,
  BUTTON_TOOLTIP_CANCEL,
  TRACKING_CATEGORIES,
} from '~/pipelines/constants';

import CiBadgeLink from '~/vue_shared/components/ci_badge_link.vue';

jest.mock('~/pipelines/event_hub');

describe('Pipelines Table', () => {
  let pipeline;
  let wrapper;
  let trackingSpy;

  const defaultProps = {
    pipelines: [],
    viewType: 'root',
    pipelineKeyOption: PipelineKeyOptions[0],
  };

  const createMockPipeline = () => {
    // Clone fixture as it could be modified by tests
    const { pipelines } = JSON.parse(JSON.stringify(fixture));
    return pipelines.find((p) => p.user !== null && p.commit !== null);
  };

  const createComponent = (props = {}) => {
    wrapper = extendedWrapper(
      mount(PipelinesTable, {
        propsData: {
          ...defaultProps,
          ...props,
        },
      }),
    );
  };

  const findGlTableLite = () => wrapper.findComponent(GlTableLite);
  const findCiBadgeLink = () => wrapper.findComponent(CiBadgeLink);
  const findPipelineInfo = () => wrapper.findComponent(PipelineUrl);
  const findTriggerer = () => wrapper.findComponent(PipelineTriggerer);
  const findPipelineMiniGraph = () => wrapper.findComponent(PipelineMiniGraph);
  const findTimeAgo = () => wrapper.findComponent(PipelinesTimeago);
  const findActions = () => wrapper.findComponent(PipelineOperations);

  const findTableRows = () => wrapper.findAllByTestId('pipeline-table-row');
  const findStatusTh = () => wrapper.findByTestId('status-th');
  const findPipelineTh = () => wrapper.findByTestId('pipeline-th');
  const findStagesTh = () => wrapper.findByTestId('stages-th');
  const findActionsTh = () => wrapper.findByTestId('actions-th');
  const findRetryBtn = () => wrapper.findByTestId('pipelines-retry-button');
  const findCancelBtn = () => wrapper.findByTestId('pipelines-cancel-button');

  beforeEach(() => {
    pipeline = createMockPipeline();
  });

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

    wrapper = null;
  });

  describe('Pipelines Table', () => {
    beforeEach(() => {
      createComponent({ pipelines: [pipeline], viewType: 'root' });
    });

    it('displays table', () => {
      expect(findGlTableLite().exists()).toBe(true);
    });

    it('should render table head with correct columns', () => {
      expect(findStatusTh().text()).toBe('Status');
      expect(findPipelineTh().text()).toBe('Pipeline');
      expect(findStagesTh().text()).toBe('Stages');
      expect(findActionsTh().text()).toBe('Actions');
    });

    it('should display a table row', () => {
      expect(findTableRows()).toHaveLength(1);
    });

    describe('status cell', () => {
      it('should render a status badge', () => {
        expect(findCiBadgeLink().exists()).toBe(true);
      });
    });

    describe('pipeline cell', () => {
      it('should render pipeline information', () => {
        expect(findPipelineInfo().exists()).toBe(true);
      });

      it('should display the pipeline id', () => {
        expect(findPipelineInfo().text()).toContain(`#${pipeline.id}`);
      });
    });

    describe('stages cell', () => {
      it('should render pipeline mini graph', () => {
        expect(findPipelineMiniGraph().exists()).toBe(true);
      });

      it('should render the right number of stages', () => {
        const stagesLength = pipeline.details.stages.length;
        expect(findPipelineMiniGraph().props('stages').length).toBe(stagesLength);
      });

      it('should render the latest downstream pipelines only', () => {
        // component receives two downstream pipelines. one of them is already outdated
        // because we retried the trigger job, so the mini pipeline graph will only
        // render the newly created downstream pipeline instead
        expect(pipeline.triggered).toHaveLength(2);
        expect(findPipelineMiniGraph().props('downstreamPipelines')).toHaveLength(1);
      });

      describe('when pipeline does not have stages', () => {
        beforeEach(() => {
          pipeline = createMockPipeline();
          pipeline.details.stages = [];

          createComponent({ pipelines: [pipeline] });
        });

        it('stages are not rendered', () => {
          expect(findPipelineMiniGraph().props('stages')).toHaveLength(0);
        });
      });
    });

    describe('duration cell', () => {
      it('should render duration information', () => {
        expect(findTimeAgo().exists()).toBe(true);
      });
    });

    describe('operations cell', () => {
      it('should render pipeline operations', () => {
        expect(findActions().exists()).toBe(true);
      });

      it('should render retry action tooltip', () => {
        expect(findRetryBtn().attributes('title')).toBe(BUTTON_TOOLTIP_RETRY);
      });

      it('should render cancel action tooltip', () => {
        expect(findCancelBtn().attributes('title')).toBe(BUTTON_TOOLTIP_CANCEL);
      });
    });

    describe('triggerer cell', () => {
      it('should render the pipeline triggerer', () => {
        expect(findTriggerer().exists()).toBe(true);
      });
    });

    describe('tracking', () => {
      beforeEach(() => {
        trackingSpy = mockTracking(undefined, wrapper.element, jest.spyOn);
      });

      afterEach(() => {
        unmockTracking();
      });

      it('tracks status badge click', () => {
        findCiBadgeLink().vm.$emit('ciStatusBadgeClick');

        expect(trackingSpy).toHaveBeenCalledWith(undefined, 'click_ci_status_badge', {
          label: TRACKING_CATEGORIES.table,
        });
      });

      it('tracks retry pipeline button click', () => {
        findRetryBtn().vm.$emit('click');

        expect(trackingSpy).toHaveBeenCalledWith(undefined, 'click_retry_button', {
          label: TRACKING_CATEGORIES.table,
        });
      });

      it('tracks cancel pipeline button click', () => {
        findCancelBtn().vm.$emit('click');

        expect(trackingSpy).toHaveBeenCalledWith(undefined, 'click_cancel_button', {
          label: TRACKING_CATEGORIES.table,
        });
      });

      it('tracks pipeline mini graph stage click', () => {
        findPipelineMiniGraph().vm.$emit('miniGraphStageClick');

        expect(trackingSpy).toHaveBeenCalledWith(undefined, 'click_minigraph', {
          label: TRACKING_CATEGORIES.table,
        });
      });
    });
  });
});