/**
 * Copyright (c) HashiCorp, Inc.
 * SPDX-License-Identifier: MPL-2.0
 */

/* eslint-disable qunit/require-expect */
import { currentURL, click } from '@ember/test-helpers';
import { module, test } from 'qunit';
import { setupApplicationTest } from 'ember-qunit';
import { setupMirage } from 'ember-cli-mirage/test-support';
import a11yAudit from 'nomad-ui/tests/helpers/a11y-audit';
import pageSizeSelect from './behaviors/page-size-select';
import JobsList from 'nomad-ui/tests/pages/jobs/list';
import percySnapshot from '@percy/ember';
import faker from 'nomad-ui/mirage/faker';

let managementToken, clientToken;

module('Acceptance | jobs list', function (hooks) {
  setupApplicationTest(hooks);
  setupMirage(hooks);

  hooks.beforeEach(function () {
    // Required for placing allocations (a result of creating jobs)
    server.create('node-pool');
    server.create('node');

    managementToken = server.create('token');
    clientToken = server.create('token');

    window.localStorage.clear();
    window.localStorage.nomadTokenSecret = managementToken.secretId;
  });

  test('it passes an accessibility audit', async function (assert) {
    await JobsList.visit();
    await a11yAudit(assert);
  });

  test('visiting /jobs', async function (assert) {
    await JobsList.visit();

    assert.equal(currentURL(), '/jobs');
    assert.equal(document.title, 'Jobs - Nomad');
  });

  test('/jobs should list the first page of jobs sorted by modify index', async function (assert) {
    faker.seed(1);
    const jobsCount = JobsList.pageSize + 1;
    server.createList('job', jobsCount, { createAllocations: true });

    await JobsList.visit();

    await percySnapshot(assert);

    const sortedJobs = server.db.jobs.sortBy('modifyIndex').reverse();
    assert.equal(JobsList.jobs.length, JobsList.pageSize);
    JobsList.jobs.forEach((job, index) => {
      assert.equal(job.name, sortedJobs[index].name, 'Jobs are ordered');
    });
  });

  test('each job row should contain information about the job', async function (assert) {
    server.createList('job', 2);
    const job = server.db.jobs.sortBy('modifyIndex').reverse()[0];
    const taskGroups = server.db.taskGroups.where({ jobId: job.id });

    await JobsList.visit();

    const jobRow = JobsList.jobs.objectAt(0);

    assert.equal(jobRow.name, job.name, 'Name');
    assert.notOk(jobRow.hasNamespace);
    assert.equal(jobRow.nodePool, job.nodePool, 'Node Pool');
    assert.equal(jobRow.link, `/ui/jobs/${job.id}@default`, 'Detail Link');
    assert.equal(jobRow.status, job.status, 'Status');
    assert.equal(jobRow.type, typeForJob(job), 'Type');
    assert.equal(jobRow.priority, job.priority, 'Priority');
    assert.equal(jobRow.taskGroups, taskGroups.length, '# Groups');
  });

  test('each job row should link to the corresponding job', async function (assert) {
    server.create('job');
    const job = server.db.jobs[0];

    await JobsList.visit();
    await JobsList.jobs.objectAt(0).clickName();

    assert.equal(currentURL(), `/jobs/${job.id}@default`);
  });

  test('the new job button transitions to the new job page', async function (assert) {
    await JobsList.visit();
    await JobsList.runJobButton.click();

    assert.equal(currentURL(), '/jobs/run');
  });

  test('the job run button is disabled when the token lacks permission', async function (assert) {
    window.localStorage.nomadTokenSecret = clientToken.secretId;

    await JobsList.visit();

    assert.ok(JobsList.runJobButton.isDisabled);
  });

  test('the anonymous policy is fetched to check whether to show the job run button', async function (assert) {
    window.localStorage.removeItem('nomadTokenSecret');

    server.create('policy', {
      id: 'anonymous',
      name: 'anonymous',
      rulesJSON: {
        Namespaces: [
          {
            Name: 'default',
            Capabilities: ['list-jobs', 'submit-job'],
          },
        ],
      },
    });

    await JobsList.visit();
    assert.notOk(JobsList.runJobButton.isDisabled);
  });

  test('when there are no jobs, there is an empty message', async function (assert) {
    faker.seed(1);
    await JobsList.visit();

    await percySnapshot(assert);

    assert.ok(JobsList.isEmpty, 'There is an empty message');
    assert.equal(
      JobsList.emptyState.headline,
      'No Jobs',
      'The message is appropriate'
    );
  });

  test('when there are jobs, but no matches for a search result, there is an empty message', async function (assert) {
    server.create('job', { name: 'cat 1' });
    server.create('job', { name: 'cat 2' });

    await JobsList.visit();

    await JobsList.search.fillIn('dog');
    assert.ok(JobsList.isEmpty, 'The empty message is shown');
    assert.equal(
      JobsList.emptyState.headline,
      'No Matches',
      'The message is appropriate'
    );
  });

  test('searching resets the current page', async function (assert) {
    server.createList('job', JobsList.pageSize + 1, {
      createAllocations: false,
    });

    await JobsList.visit();
    await JobsList.nextPage();

    assert.equal(
      currentURL(),
      '/jobs?page=2',
      'Page query param captures page=2'
    );

    await JobsList.search.fillIn('foobar');

    assert.equal(currentURL(), '/jobs?search=foobar', 'No page query param');
  });

  test('Search order overrides Sort order', async function (assert) {
    server.create('job', { name: 'car', modifyIndex: 1, priority: 200 });
    server.create('job', { name: 'cat', modifyIndex: 2, priority: 150 });
    server.create('job', { name: 'dog', modifyIndex: 3, priority: 100 });
    server.create('job', { name: 'dot', modifyIndex: 4, priority: 50 });

    await JobsList.visit();

    // Expect list to be in reverse modifyIndex order by default
    assert.equal(JobsList.jobs.objectAt(0).name, 'dot');
    assert.equal(JobsList.jobs.objectAt(1).name, 'dog');
    assert.equal(JobsList.jobs.objectAt(2).name, 'cat');
    assert.equal(JobsList.jobs.objectAt(3).name, 'car');

    // When sorting by name, expect list to be in alphabetical order
    await click('[data-test-sort-by="name"]'); // sorts desc
    await click('[data-test-sort-by="name"]'); // sorts asc

    assert.equal(JobsList.jobs.objectAt(0).name, 'car');
    assert.equal(JobsList.jobs.objectAt(1).name, 'cat');
    assert.equal(JobsList.jobs.objectAt(2).name, 'dog');
    assert.equal(JobsList.jobs.objectAt(3).name, 'dot');

    // When searching, the "name" sort is locked in. Fuzzy results for cat return both car and cat, but cat first.
    await JobsList.search.fillIn('cat');
    assert.equal(JobsList.jobs.length, 2);
    assert.equal(JobsList.jobs.objectAt(0).name, 'cat'); // higher fuzzy
    assert.equal(JobsList.jobs.objectAt(1).name, 'car');

    // Clicking priority sorter will maintain the search filter, but change the order
    await click('[data-test-sort-by="priority"]'); // sorts desc
    assert.equal(JobsList.jobs.objectAt(0).name, 'car'); // higher priority first
    assert.equal(JobsList.jobs.objectAt(1).name, 'cat');

    // Modifying search again will prioritize search "fuzzy" order
    await JobsList.search.fillIn(''); // trigger search reset
    await JobsList.search.fillIn('cat');
    assert.equal(JobsList.jobs.objectAt(0).name, 'cat'); // higher fuzzy
    assert.equal(JobsList.jobs.objectAt(1).name, 'car');
  });

  test('when a cluster has namespaces, each job row includes the job namespace', async function (assert) {
    server.createList('namespace', 2);
    server.createList('job', 2);
    const job = server.db.jobs.sortBy('modifyIndex').reverse()[0];

    await JobsList.visit({ namespace: '*' });

    const jobRow = JobsList.jobs.objectAt(0);
    assert.equal(jobRow.namespace, job.namespaceId);
  });

  test('when the namespace query param is set, only matching jobs are shown', async function (assert) {
    server.createList('namespace', 2);
    const job1 = server.create('job', {
      namespaceId: server.db.namespaces[0].id,
    });
    const job2 = server.create('job', {
      namespaceId: server.db.namespaces[1].id,
    });

    await JobsList.visit();
    assert.equal(JobsList.jobs.length, 2, 'All jobs by default');

    const firstNamespace = server.db.namespaces[0];
    await JobsList.visit({ namespace: firstNamespace.id });
    assert.equal(JobsList.jobs.length, 1, 'One job in the default namespace');
    assert.equal(
      JobsList.jobs.objectAt(0).name,
      job1.name,
      'The correct job is shown'
    );

    const secondNamespace = server.db.namespaces[1];
    await JobsList.visit({ namespace: secondNamespace.id });

    assert.equal(
      JobsList.jobs.length,
      1,
      `One job in the ${secondNamespace.name} namespace`
    );
    assert.equal(
      JobsList.jobs.objectAt(0).name,
      job2.name,
      'The correct job is shown'
    );
  });

  test('when accessing jobs is forbidden, show a message with a link to the tokens page', async function (assert) {
    server.pretender.get('/v1/jobs', () => [403, {}, null]);

    await JobsList.visit();
    assert.equal(JobsList.error.title, 'Not Authorized');

    await JobsList.error.seekHelp();
    assert.equal(currentURL(), '/settings/tokens');
  });

  function typeForJob(job) {
    return job.periodic
      ? 'periodic'
      : job.parameterized
      ? 'parameterized'
      : job.type;
  }

  test('the jobs list page has appropriate faceted search options', async function (assert) {
    await JobsList.visit();

    assert.ok(
      JobsList.facets.namespace.isHidden,
      'Namespace facet not found (no namespaces)'
    );
    assert.ok(JobsList.facets.type.isPresent, 'Type facet found');
    assert.ok(JobsList.facets.status.isPresent, 'Status facet found');
    assert.ok(JobsList.facets.datacenter.isPresent, 'Datacenter facet found');
    assert.ok(JobsList.facets.prefix.isPresent, 'Prefix facet found');
  });

  testSingleSelectFacet('Namespace', {
    facet: JobsList.facets.namespace,
    paramName: 'namespace',
    expectedOptions: ['All (*)', 'default', 'namespace-2'],
    optionToSelect: 'namespace-2',
    async beforeEach() {
      server.create('namespace', { id: 'default' });
      server.create('namespace', { id: 'namespace-2' });
      server.createList('job', 2, { namespaceId: 'default' });
      server.createList('job', 2, { namespaceId: 'namespace-2' });
      await JobsList.visit();
    },
    filter(job, selection) {
      return job.namespaceId === selection;
    },
  });

  testFacet('Type', {
    facet: JobsList.facets.type,
    paramName: 'type',
    expectedOptions: [
      'Batch',
      'Pack',
      'Parameterized',
      'Periodic',
      'Service',
      'System',
      'System Batch',
    ],
    async beforeEach() {
      server.createList('job', 2, { createAllocations: false, type: 'batch' });
      server.createList('job', 2, {
        createAllocations: false,
        type: 'batch',
        periodic: true,
        childrenCount: 0,
      });
      server.createList('job', 2, {
        createAllocations: false,
        type: 'batch',
        parameterized: true,
        childrenCount: 0,
      });
      server.createList('job', 2, {
        createAllocations: false,
        type: 'service',
      });
      await JobsList.visit();
    },
    filter(job, selection) {
      let displayType = job.type;
      if (job.parameterized) displayType = 'parameterized';
      if (job.periodic) displayType = 'periodic';
      return selection.includes(displayType);
    },
  });

  testFacet('Status', {
    facet: JobsList.facets.status,
    paramName: 'status',
    expectedOptions: ['Pending', 'Running', 'Dead'],
    async beforeEach() {
      server.createList('job', 2, {
        status: 'pending',
        createAllocations: false,
        childrenCount: 0,
      });
      server.createList('job', 2, {
        status: 'running',
        createAllocations: false,
        childrenCount: 0,
      });
      server.createList('job', 2, {
        status: 'dead',
        createAllocations: false,
        childrenCount: 0,
      });
      await JobsList.visit();
    },
    filter: (job, selection) => selection.includes(job.status),
  });

  testFacet('Datacenter', {
    facet: JobsList.facets.datacenter,
    paramName: 'dc',
    expectedOptions(jobs) {
      const allDatacenters = new Set(
        jobs.mapBy('datacenters').reduce((acc, val) => acc.concat(val), [])
      );
      return Array.from(allDatacenters).sort();
    },
    async beforeEach() {
      server.create('job', {
        datacenters: ['pdx', 'lax'],
        createAllocations: false,
        childrenCount: 0,
      });
      server.create('job', {
        datacenters: ['pdx', 'ord'],
        createAllocations: false,
        childrenCount: 0,
      });
      server.create('job', {
        datacenters: ['lax', 'jfk'],
        createAllocations: false,
        childrenCount: 0,
      });
      server.create('job', {
        datacenters: ['jfk', 'dfw'],
        createAllocations: false,
        childrenCount: 0,
      });
      server.create('job', {
        datacenters: ['pdx'],
        createAllocations: false,
        childrenCount: 0,
      });
      await JobsList.visit();
    },
    filter: (job, selection) =>
      job.datacenters.find((dc) => selection.includes(dc)),
  });

  testFacet('Prefix', {
    facet: JobsList.facets.prefix,
    paramName: 'prefix',
    expectedOptions: ['hashi (3)', 'nmd (2)', 'pre (2)'],
    async beforeEach() {
      [
        'pre-one',
        'hashi_one',
        'nmd.one',
        'one-alone',
        'pre_two',
        'hashi.two',
        'hashi-three',
        'nmd_two',
        'noprefix',
      ].forEach((name) => {
        server.create('job', {
          name,
          createAllocations: false,
          childrenCount: 0,
        });
      });
      await JobsList.visit();
    },
    filter: (job, selection) =>
      selection.find((prefix) => job.name.startsWith(prefix)),
  });

  test('when the facet selections result in no matches, the empty state states why', async function (assert) {
    server.createList('job', 2, {
      status: 'pending',
      createAllocations: false,
      childrenCount: 0,
    });

    await JobsList.visit();

    await JobsList.facets.status.toggle();
    await JobsList.facets.status.options.objectAt(1).toggle();
    assert.ok(JobsList.isEmpty, 'There is an empty message');
    assert.equal(
      JobsList.emptyState.headline,
      'No Matches',
      'The message is appropriate'
    );
  });

  test('the jobs list is immediately filtered based on query params', async function (assert) {
    server.create('job', { type: 'batch', createAllocations: false });
    server.create('job', { type: 'service', createAllocations: false });

    await JobsList.visit({ type: JSON.stringify(['batch']) });

    assert.equal(
      JobsList.jobs.length,
      1,
      'Only one job shown due to query param'
    );
  });

  test('when the user has a client token that has a namespace with a policy to run a job', async function (assert) {
    const READ_AND_WRITE_NAMESPACE = 'read-and-write-namespace';
    const READ_ONLY_NAMESPACE = 'read-only-namespace';

    server.create('namespace', { id: READ_AND_WRITE_NAMESPACE });
    server.create('namespace', { id: READ_ONLY_NAMESPACE });

    const policy = server.create('policy', {
      id: 'something',
      name: 'something',
      rulesJSON: {
        Namespaces: [
          {
            Name: READ_AND_WRITE_NAMESPACE,
            Capabilities: ['submit-job'],
          },
          {
            Name: READ_ONLY_NAMESPACE,
            Capabilities: ['list-job'],
          },
        ],
      },
    });

    clientToken.policyIds = [policy.id];
    clientToken.save();

    window.localStorage.nomadTokenSecret = clientToken.secretId;

    await JobsList.visit({ namespace: READ_AND_WRITE_NAMESPACE });
    assert.notOk(JobsList.runJobButton.isDisabled);

    await JobsList.visit({ namespace: READ_ONLY_NAMESPACE });
    assert.notOk(JobsList.runJobButton.isDisabled);
  });

  test('when the user has no client tokens that allow them to run a job', async function (assert) {
    const READ_AND_WRITE_NAMESPACE = 'read-and-write-namespace';
    const READ_ONLY_NAMESPACE = 'read-only-namespace';

    server.create('namespace', { id: READ_ONLY_NAMESPACE });

    const policy = server.create('policy', {
      id: 'something',
      name: 'something',
      rulesJSON: {
        Namespaces: [
          {
            Name: READ_ONLY_NAMESPACE,
            Capabilities: ['list-job'],
          },
        ],
      },
    });

    clientToken.policyIds = [policy.id];
    clientToken.save();

    window.localStorage.nomadTokenSecret = clientToken.secretId;

    await JobsList.visit({ namespace: READ_AND_WRITE_NAMESPACE });
    assert.ok(JobsList.runJobButton.isDisabled);

    await JobsList.visit({ namespace: READ_ONLY_NAMESPACE });
    assert.ok(JobsList.runJobButton.isDisabled);
  });

  pageSizeSelect({
    resourceName: 'job',
    pageObject: JobsList,
    pageObjectList: JobsList.jobs,
    async setup() {
      server.createList('job', JobsList.pageSize, {
        shallow: true,
        createAllocations: false,
      });
      await JobsList.visit();
    },
  });

  async function facetOptions(assert, beforeEach, facet, expectedOptions) {
    await beforeEach();
    await facet.toggle();

    let expectation;
    if (typeof expectedOptions === 'function') {
      expectation = expectedOptions(server.db.jobs);
    } else {
      expectation = expectedOptions;
    }

    assert.deepEqual(
      facet.options.map((option) => option.label.trim()),
      expectation,
      'Options for facet are as expected'
    );
  }

  function testSingleSelectFacet(
    label,
    { facet, paramName, beforeEach, filter, expectedOptions, optionToSelect }
  ) {
    test(`the ${label} facet has the correct options`, async function (assert) {
      await facetOptions(assert, beforeEach, facet, expectedOptions);
    });

    test(`the ${label} facet filters the jobs list by ${label}`, async function (assert) {
      await beforeEach();
      await facet.toggle();

      const option = facet.options.findOneBy('label', optionToSelect);
      const selection = option.key;
      await option.select();

      const expectedJobs = server.db.jobs
        .filter((job) => filter(job, selection))
        .sortBy('modifyIndex')
        .reverse();

      JobsList.jobs.forEach((job, index) => {
        assert.equal(
          job.id,
          expectedJobs[index].id,
          `Job at ${index} is ${expectedJobs[index].id}`
        );
      });
    });

    test(`selecting an option in the ${label} facet updates the ${paramName} query param`, async function (assert) {
      await beforeEach();
      await facet.toggle();

      const option = facet.options.objectAt(1);
      const selection = option.key;
      await option.select();

      assert.ok(
        currentURL().includes(`${paramName}=${selection}`),
        'URL has the correct query param key and value'
      );
    });
  }

  function testFacet(
    label,
    { facet, paramName, beforeEach, filter, expectedOptions }
  ) {
    test(`the ${label} facet has the correct options`, async function (assert) {
      await facetOptions(assert, beforeEach, facet, expectedOptions);
    });

    test(`the ${label} facet filters the jobs list by ${label}`, async function (assert) {
      let option;

      await beforeEach();
      await facet.toggle();

      option = facet.options.objectAt(0);
      await option.toggle();

      const selection = [option.key];
      const expectedJobs = server.db.jobs
        .filter((job) => filter(job, selection))
        .sortBy('modifyIndex')
        .reverse();

      JobsList.jobs.forEach((job, index) => {
        assert.equal(
          job.id,
          expectedJobs[index].id,
          `Job at ${index} is ${expectedJobs[index].id}`
        );
      });
    });

    test(`selecting multiple options in the ${label} facet results in a broader search`, async function (assert) {
      const selection = [];

      await beforeEach();
      await facet.toggle();

      const option1 = facet.options.objectAt(0);
      const option2 = facet.options.objectAt(1);
      await option1.toggle();
      selection.push(option1.key);
      await option2.toggle();
      selection.push(option2.key);

      const expectedJobs = server.db.jobs
        .filter((job) => filter(job, selection))
        .sortBy('modifyIndex')
        .reverse();

      JobsList.jobs.forEach((job, index) => {
        assert.equal(
          job.id,
          expectedJobs[index].id,
          `Job at ${index} is ${expectedJobs[index].id}`
        );
      });
    });

    test(`selecting options in the ${label} facet updates the ${paramName} query param`, async function (assert) {
      const selection = [];

      await beforeEach();
      await facet.toggle();

      const option1 = facet.options.objectAt(0);
      const option2 = facet.options.objectAt(1);
      await option1.toggle();
      selection.push(option1.key);
      await option2.toggle();
      selection.push(option2.key);

      assert.ok(
        currentURL().includes(encodeURIComponent(JSON.stringify(selection))),
        'URL has the correct query param key and value'
      );
    });

    test('the run job button works when filters are set', async function (assert) {
      ['pre-one', 'pre-two', 'pre-three'].forEach((name) => {
        server.create('job', {
          name,
          createAllocations: false,
          childrenCount: 0,
        });
      });

      await JobsList.visit();

      await JobsList.facets.prefix.toggle();
      await JobsList.facets.prefix.options[0].toggle();

      await JobsList.runJobButton.click();
      assert.equal(currentURL(), '/jobs/run');
    });
  }
});