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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-change-metadata</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="element">
  <template>
    <gr-change-metadata mutable="true"></gr-change-metadata>
  </template>
</test-fixture>

<test-fixture id="plugin-host">
  <template>
    <gr-plugin-host></gr-plugin-host>
  </template>
</test-fixture>

<script type="module">
import '../../../test/common-test-setup.js';
import '../../plugins/gr-plugin-host/gr-plugin-host.js';
import './gr-change-metadata.js';
import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
import {resetPlugins} from '../../../test/test-utils.js';
import {pluginLoader} from '../../shared/gr-js-api-interface/gr-plugin-loader.js';
import {_testOnly_initGerritPluginApi} from '../../shared/gr-js-api-interface/gr-gerrit.js';

const pluginApi = _testOnly_initGerritPluginApi();

suite('gr-change-metadata integration tests', () => {
  let sandbox;
  let element;

  const sectionSelectors = [
    'section.strategy',
    'section.topic',
  ];

  const labels = {
    CI: {
      all: [
        {value: 1, name: 'user 2', _account_id: 1},
        {value: 2, name: 'user '},
      ],
      values: {
        ' 0': 'Don\'t submit as-is',
        '+1': 'No score',
        '+2': 'Looks good to me',
      },
    },
  };

  const getStyle = function(selector, name) {
    return window.getComputedStyle(
        dom(element.root).querySelector(selector))[name];
  };

  function createElement() {
    const element = fixture('element');
    element.change = {labels, status: 'NEW'};
    element.revision = {};
    return element;
  }

  setup(() => {
    sandbox = sinon.sandbox.create();
    stub('gr-rest-api-interface', {
      getConfig() { return Promise.resolve({}); },
      getLoggedIn() { return Promise.resolve(false); },
      deleteVote() { return Promise.resolve({ok: true}); },
    });
  });

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

  suite('by default', () => {
    setup(done => {
      element = createElement();
      flush(done);
    });

    for (const sectionSelector of sectionSelectors) {
      test(sectionSelector + ' does not have display: none', () => {
        assert.notEqual(getStyle(sectionSelector, 'display'), 'none');
      });
    }
  });

  suite('with plugin style', () => {
    setup(done => {
      resetPlugins();
      const pluginHost = fixture('plugin-host');
      pluginHost.config = {
        plugin: {
          js_resource_paths: [],
          html_resource_paths: [
            new URL('test/plugin.html?' + Math.random(),
                window.location.href).toString(),
          ],
        },
      };
      element = createElement();
      const importSpy = sandbox.spy(element.$.externalStyle, '_import');
      pluginLoader.awaitPluginsLoaded().then(() => {
        Promise.all(importSpy.returnValues).then(() => {
          flush(done);
        });
      });
    });

    for (const sectionSelector of sectionSelectors) {
      test(sectionSelector + ' may have display: none', () => {
        assert.equal(getStyle(sectionSelector, 'display'), 'none');
      });
    }
  });

  suite('label updates', () => {
    let plugin;

    setup(() => {
      pluginApi.install(p => plugin = p, '0.1',
          new URL('test/plugin.html?' + Math.random(),
              window.location.href).toString());
      sandbox.stub(pluginLoader, 'arePluginsLoaded').returns(true);
      pluginLoader.loadPlugins([]);
      element = createElement();
    });

    test('labels changed callback', done => {
      let callCount = 0;
      const labelChangeSpy = sandbox.spy(arg => {
        callCount++;
        if (callCount === 1) {
          assert.deepEqual(arg, labels);
          assert.equal(arg.CI.all.length, 2);
          element.set(['change', 'labels'], {
            CI: {
              all: [
                {value: 1, name: 'user 2', _account_id: 1},
              ],
              values: {
                ' 0': 'Don\'t submit as-is',
                '+1': 'No score',
                '+2': 'Looks good to me',
              },
            },
          });
        } else if (callCount === 2) {
          assert.equal(arg.CI.all.length, 1);
          done();
        }
      });

      plugin.changeMetadata().onLabelsChanged(labelChangeSpy);
    });
  });
});
</script>