import hbs from 'htmlbars-inline-precompile';
import { findAll, find, render } from '@ember/test-helpers';
import { module, test } from 'qunit';
import { setupRenderingTest } from 'ember-qunit';
import { startMirage } from 'nomad-ui/initializers/ember-cli-mirage';
import { initialize as fragmentSerializerInitializer } from 'nomad-ui/initializers/fragment-serializer';

module('Integration | Component | job-page/parts/placement-failures', function(hooks) {
  setupRenderingTest(hooks);

  hooks.beforeEach(function() {
    fragmentSerializerInitializer(this.owner);
    window.localStorage.clear();
    this.store = this.owner.lookup('service:store');
    this.server = startMirage();
    this.server.create('namespace');
  });

  hooks.afterEach(function() {
    this.server.shutdown();
    window.localStorage.clear();
  });

  test('when the job has placement failures, they are called out', async function(assert) {
    this.server.create('job', { failedPlacements: true, createAllocations: false });
    await this.store.findAll('job');

    const job = this.store.peekAll('job').get('firstObject');
    await job.reload();

    this.set('job', job);

    await render(hbs`
      <JobPage::Parts::PlacementFailures @job={{job}} />)
    `);

    const failedEvaluation = this.get('job.evaluations')
      .filterBy('hasPlacementFailures')
      .sortBy('modifyIndex')
      .reverse()
      .get('firstObject');
    const failedTGAllocs = failedEvaluation.get('failedTGAllocs');

    assert.ok(find('[data-test-placement-failures]'), 'Placement failures section found');

    const taskGroupLabels = findAll('[data-test-placement-failure-task-group]').map(title =>
      title.textContent.trim()
    );

    failedTGAllocs.forEach(alloc => {
      const name = alloc.get('name');
      assert.ok(
        taskGroupLabels.find(label => label.includes(name)),
        `${name} included in placement failures list`
      );
      assert.ok(
        taskGroupLabels.find(label => label.includes(alloc.get('coalescedFailures') + 1)),
        'The number of unplaced allocs = CoalescedFailures + 1'
      );
    });
  });

  test('when the job has no placement failures, the placement failures section is gone', async function(assert) {
    this.server.create('job', { noFailedPlacements: true, createAllocations: false });
    await this.store.findAll('job');

    const job = this.store.peekAll('job').get('firstObject');
    await job.reload();

    this.set('job', job);

    await render(hbs`
      <JobPage::Parts::PlacementFailures @job={{job}} />)
    `);

    assert.notOk(find('[data-test-placement-failures]'), 'Placement failures section not found');
  });
});