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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="/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="../../plugins/gr-plugin-host/gr-plugin-host.html">
<link rel="import" href="gr-change-metadata.html">

<script>void(0);</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>
  suite('gr-change-metadata integration tests', () => {
    let sandbox;
    let element;

    const sectionSelectors = [
      'section.assignee',
      '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(
          Polymer.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();
      Gerrit._testOnly_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 => {
        Gerrit._testOnly_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');
        Gerrit.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(() => {
        Gerrit.install(p => plugin = p, '0.1',
            new URL('test/plugin.html?' + Math.random(),
                    window.location.href).toString());
        sandbox.stub(Gerrit, '_arePluginsLoaded').returns(true);
        Gerrit._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>