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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="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>

<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-label-score-row.html">

<script>void(0);</script>

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

<script>
  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.$$(
          'gr-button[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('_computeButtonClass', () => {
      let value = 1;
      let index = 0;
      const totalItems = 5;
      // positive and first position
      assert.equal(element._computeButtonClass(value, index,
          totalItems), 'positive');
      // negative and first position
      value = -1;
      assert.equal(element._computeButtonClass(value, index,
          totalItems), 'min');
      // negative but not first position
      index = 1;
      assert.equal(element._computeButtonClass(value, index,
          totalItems), 'negative');
      // neutral
      value = 0;
      assert.equal(element._computeButtonClass(value, index,
          totalItems), 'neutral');
      // positive but not last position
      value = 1;
      assert.equal(element._computeButtonClass(value, index,
          totalItems), 'positive');
      // positive and last position
      index = 4;
      assert.equal(element._computeButtonClass(value, index,
          totalItems), 'max');
      // negative and last position
      value = -1;
      assert.equal(element._computeButtonClass(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.$$(
          'iron-selector > gr-button[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(
            Polymer.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(
              Polymer.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>