<!DOCTYPE html>
<!--
@license
Copyright (C) 2017 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<meta charset="utf-8">
<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();
  });

  function checkAriaCheckedValid() {
    const items = element.$.labelSelector.items;
    const selectedItem = element.selectedItem;
    for (let i = 0; i < items.length; i++) {
      const item = items[i];
      if (items[i] === selectedItem) {
        assert.isTrue(item.hasAttribute('aria-checked'), `item ${i}`);
        assert.equal(item.getAttribute('aria-checked'), 'true', `item ${i}`);
      } else {
        assert.isFalse(item.hasAttribute('aria-checked'), `item ${i}`);
      }
    }
  }

  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');
    checkAriaCheckedValid();
  });

  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');
    checkAriaCheckedValid();
  });

  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');
    checkAriaCheckedValid();
  });

  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('asymmetrical 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');
    checkAriaCheckedValid();
  });

  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>