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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-label-score-row</title>

<script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/components/wct-browser-legacy/browser.js"></script>

<test-fixture id="basic">
  <template>
    <gr-label-score-row></gr-label-score-row>
  </template>
</test-fixture>

<script type="module">
import '../../../test/common-test-setup.js';
import './gr-label-score-row.js';
import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
suite('gr-label-row-score tests', () => {
  let element;
  let sandbox;

  setup(done => {
    sandbox = sinon.sandbox.create();
    element = fixture('basic');
    element.labels = {
      'Code-Review': {
        values: {
          '0': 'No score',
          '+1': 'good',
          '+2': 'excellent',
          '-1': 'bad',
          '-2': 'terrible',
        },
        default_value: 0,
        value: 1,
        all: [{
          _account_id: 123,
          value: 1,
        }],
      },
      'Verified': {
        values: {
          '0': 'No score',
          '+1': 'good',
          '+2': 'excellent',
          '-1': 'bad',
          '-2': 'terrible',
        },
        default_value: 0,
        value: 1,
        all: [{
          _account_id: 123,
          value: 1,
        }],
      },
    };

    element.permittedLabels = {
      'Code-Review': [
        '-2',
        '-1',
        ' 0',
        '+1',
        '+2',
      ],
      'Verified': [
        '-1',
        ' 0',
        '+1',
      ],
    };

    element.labelValues = {'0': 2, '1': 3, '2': 4, '-2': 0, '-1': 1};

    element.label = {
      name: 'Verified',
      value: '+1',
    };

    flush(done);
  });

  teardown(() => {
    sandbox.restore();
  });

  test('label picker', () => {
    const labelsChangedHandler = sandbox.stub();
    element.addEventListener('labels-changed', labelsChangedHandler);
    assert.ok(element.$.labelSelector);
    MockInteractions.tap(element.shadowRoot
        .querySelector(
            'gr-button[data-value="-1"]'));
    flushAsynchronousOperations();
    assert.strictEqual(element.selectedValue, '-1');
    assert.strictEqual(element.selectedItem
        .textContent.trim(), '-1');
    assert.strictEqual(
        element.$.selectedValueLabel.textContent.trim(), 'bad');
    const detail = labelsChangedHandler.args[0][0].detail;
    assert.equal(detail.name, 'Verified');
    assert.equal(detail.value, '-1');
  });

  test('_computeVoteAttribute', () => {
    let value = 1;
    let index = 0;
    const totalItems = 5;
    // positive and first position
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'positive');
    // negative and first position
    value = -1;
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'min');
    // negative but not first position
    index = 1;
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'negative');
    // neutral
    value = 0;
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'neutral');
    // positive but not last position
    value = 1;
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'positive');
    // positive and last position
    index = 4;
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'max');
    // negative and last position
    value = -1;
    assert.equal(element._computeVoteAttribute(value, index,
        totalItems), 'negative');
  });

  test('correct item is selected', () => {
    // 1 should be the value of the selected item
    assert.strictEqual(element.$.labelSelector.selected, '+1');
    assert.strictEqual(
        element.$.labelSelector.selectedItem
            .textContent.trim(), '+1');
    assert.strictEqual(
        element.$.selectedValueLabel.textContent.trim(), 'good');
  });

  test('do not display tooltips on touch devices', () => {
    const verifiedBtn = element.shadowRoot
        .querySelector(
            'iron-selector > gr-button[data-value="-1"]');

    // On touch devices, tooltips should not be shown.
    verifiedBtn._isTouchDevice = true;
    verifiedBtn._handleShowTooltip();
    assert.isNotOk(verifiedBtn._tooltip);
    verifiedBtn._handleHideTooltip();
    assert.isNotOk(verifiedBtn._tooltip);

    // On other devices, tooltips should be shown.
    verifiedBtn._isTouchDevice = false;
    verifiedBtn._handleShowTooltip();
    assert.isOk(verifiedBtn._tooltip);
    verifiedBtn._handleHideTooltip();
    assert.isNotOk(verifiedBtn._tooltip);
  });

  test('_computeLabelValue', () => {
    assert.strictEqual(element._computeLabelValue(element.labels,
        element.permittedLabels,
        element.label), '+1');
  });

  test('_computeBlankItems', () => {
    element.labelValues = {
      '-2': 0,
      '-1': 1,
      '0': 2,
      '1': 3,
      '2': 4,
    };

    assert.strictEqual(element._computeBlankItems(element.permittedLabels,
        'Code-Review').length, 0);

    assert.strictEqual(element._computeBlankItems(element.permittedLabels,
        'Verified').length, 1);
  });

  test('labelValues returns no keys', () => {
    element.labelValues = {};

    assert.deepEqual(element._computeBlankItems(element.permittedLabels,
        'Code-Review'), []);
  });

  test('changes in label score are reflected in the DOM', () => {
    element.labels = {
      'Code-Review': {
        values: {
          '0': 'No score',
          '+1': 'good',
          '+2': 'excellent',
          '-1': 'bad',
          '-2': 'terrible',
        },
        default_value: 0,
      },
      'Verified': {
        values: {
          ' 0': 'No score',
          '+1': 'good',
          '+2': 'excellent',
          '-1': 'bad',
          '-2': 'terrible',
        },
        default_value: 0,
      },
    };
    const selector = element.$.labelSelector;
    element.set('label', {name: 'Verified', value: ' 0'});
    flushAsynchronousOperations();
    assert.strictEqual(selector.selected, ' 0');
    assert.strictEqual(
        element.$.selectedValueLabel.textContent.trim(), 'No score');
  });

  test('without permitted labels', () => {
    element.permittedLabels = {
      Verified: [
        '-1',
        ' 0',
        '+1',
      ],
    };
    flushAsynchronousOperations();
    assert.isOk(element.$.labelSelector);
    assert.isFalse(element.$.labelSelector.hidden);

    element.permittedLabels = {};
    flushAsynchronousOperations();
    assert.isOk(element.$.labelSelector);
    assert.isTrue(element.$.labelSelector.hidden);

    element.permittedLabels = {Verified: []};
    flushAsynchronousOperations();
    assert.isOk(element.$.labelSelector);
    assert.isTrue(element.$.labelSelector.hidden);
  });

  test('asymetrical labels', done => {
    element.permittedLabels = {
      'Code-Review': [
        '-2',
        '-1',
        ' 0',
        '+1',
        '+2',
      ],
      'Verified': [
        ' 0',
        '+1',
      ],
    };
    flush(() => {
      assert.strictEqual(element.$.labelSelector
          .items.length, 2);
      assert.strictEqual(
          dom(element.root).querySelectorAll('.placeholder').length,
          3);

      element.permittedLabels = {
        'Code-Review': [
          ' 0',
          '+1',
        ],
        'Verified': [
          '-2',
          '-1',
          ' 0',
          '+1',
          '+2',
        ],
      };
      flush(() => {
        assert.strictEqual(element.$.labelSelector
            .items.length, 5);
        assert.strictEqual(
            dom(element.root).querySelectorAll('.placeholder').length,
            0);
        done();
      });
    });
  });

  test('default_value', () => {
    element.permittedLabels = {
      Verified: [
        '-1',
        ' 0',
        '+1',
      ],
    };
    element.labels = {
      Verified: {
        values: {
          '0': 'No score',
          '+1': 'good',
          '+2': 'excellent',
          '-1': 'bad',
          '-2': 'terrible',
        },
        default_value: -1,
      },
    };
    element.label = {
      name: 'Verified',
      value: null,
    };
    flushAsynchronousOperations();
    assert.strictEqual(element.selectedValue, '-1');
  });

  test('default_value is null if not permitted', () => {
    element.permittedLabels = {
      Verified: [
        '-1',
        ' 0',
        '+1',
      ],
    };
    element.labels = {
      'Code-Review': {
        values: {
          '0': 'No score',
          '+1': 'good',
          '+2': 'excellent',
          '-1': 'bad',
          '-2': 'terrible',
        },
        default_value: -1,
      },
    };
    element.label = {
      name: 'Code-Review',
      value: null,
    };
    flushAsynchronousOperations();
    assert.isNull(element.selectedValue);
  });
});
</script>