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

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

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="gr-diff-comment.html">

<test-fixture id="basic">
  <template>
    <gr-diff-comment></gr-diff-comment>
  </template>
</test-fixture>

<test-fixture id="draft">
  <template>
    <gr-diff-comment draft="true"></gr-diff-comment>
  </template>
</test-fixture>

<script>

  function isVisible(el) {
    assert.ok(el);
    return getComputedStyle(el).getPropertyValue('display') !== 'none';
  }

  suite('gr-diff-comment tests', function() {
    var element;
    var sandbox;
    setup(function() {
      stub('gr-rest-api-interface', {
        getAccount: function() { return Promise.resolve(null); },
      });
      element = fixture('basic');
      element.comment = {
        author: {
          name: 'Mr. Peanutbutter',
          email: 'tenn1sballchaser@aol.com',
        },
        id: 'baf0414d_60047215',
        line: 5,
        message: 'is this a crossover episode!?',
        updated: '2015-12-08 19:48:33.843000000',
      };
      sandbox = sinon.sandbox.create();
    });

    teardown(function() {
      sandbox.restore();
    });

    test('collapsible comments', function() {
      // When a comment (not draft) is loaded, it should be collapsed
      assert.isTrue(element.collapsed);
      assert.isFalse(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is not visible');
      assert.isFalse(isVisible(element.$$('.actions')),
          'actions are not visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');

      // The header middle content is only visible when comments are collapsed.
      // It shows the message in a condensed way, and limits to a single line.
      assert.isTrue(isVisible(element.$$('.collapsedContent')),
          'header middle content is visible');

      // When the header row is clicked, the comment should expand
      MockInteractions.tap(element.$.header);
      assert.isFalse(element.collapsed);
      assert.isTrue(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is visible');
      assert.isTrue(isVisible(element.$$('.actions')),
          'actions are visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');
      assert.isFalse(isVisible(element.$$('.collapsedContent')),
          'header middle content is not visible');
    });

    test('proper event fires on reply', function(done) {
      element.addEventListener('reply', function(e) {
        assert.ok(e.detail.comment);
        done();
      });
      MockInteractions.tap(element.$$('.reply'));
    });

    test('proper event fires on quote', function(done) {
      element.addEventListener('reply', function(e) {
        assert.ok(e.detail.comment);
        assert.isTrue(e.detail.quote);
        done();
      });
      MockInteractions.tap(element.$$('.quote'));
    });

    test('proper event fires on done', function(done) {
      element.addEventListener('done', function(e) {
        done();
      });
      MockInteractions.tap(element.$$('.done'));
    });

    test('clicking on date link does not trigger nav', function() {
      var showStub = sinon.stub(page, 'show');
      var dateEl = element.$$('.date');
      assert.ok(dateEl);
      MockInteractions.tap(dateEl);
      var dest = window.location.pathname + '#5';
      assert(showStub.lastCall.calledWithExactly(dest, null, false),
          'Should navigate to ' + dest + ' without triggering nav');
      showStub.restore();
    });

    test('comment expand and collapse', function() {
      element.collapsed = true;
      assert.isFalse(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is not visible');
      assert.isFalse(isVisible(element.$$('.actions')),
          'actions are not visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');
      assert.isTrue(isVisible(element.$$('.collapsedContent')),
          'header middle content is visible');

      element.collapsed = false;
      assert.isFalse(element.collapsed);
      assert.isTrue(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is visible');
      assert.isTrue(isVisible(element.$$('.actions')),
          'actions are visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');
      assert.isFalse(isVisible(element.$$('.collapsedContent')),
          'header middle content is is not visible');
    });

    test('esc does not close comment unless text is empty', function(done) {
      element.editing = true;
      element._messageText = 'test';
      var textarea = element.$.editTextarea;
      var closeSpy = sandbox.spy(element, '_handleCancel');

      flush(function() {
        MockInteractions.pressAndReleaseKeyOn(textarea, 27); // esc
        assert.isFalse(closeSpy.called);
        element._messageText = '';
        MockInteractions.pressAndReleaseKeyOn(textarea, 27); // esc
        assert.isTrue(closeSpy.called);
        done();
      });
    });
  });

  suite('gr-diff-comment draft tests', function() {
    var element;

    setup(function() {
      stub('gr-rest-api-interface', {
        getAccount: function() { return Promise.resolve(null); },
        saveDiffDraft: function() {
          return Promise.resolve({
            ok: true,
            text: function() {
              return Promise.resolve(
                ')]}\'\n{' +
                  '"id": "baf0414d_40572e03",' +
                  '"path": "/path/to/file",' +
                  '"line": 5,' +
                  '"updated": "2015-12-08 21:52:36.177000000",' +
                  '"message": "saved!"' +
                '}'
              );
            },
          });
        },
        removeChangeReviewer: function() {
          return Promise.resolve({ok: true});
        },
      });
      stub('gr-storage', {
        getDraftComment: function() { return null; },
      });
      element = fixture('draft');
      element.changeNum = 42;
      element.patchNum = 1;
      element.editing = false;
      element.comment = {
        __draft: true,
        __draftID: 'temp_draft_id',
        path: '/path/to/file',
        line: 5,
      };
    });

    test('button visibility states', function() {
      element.showActions = false;
      assert.isTrue(element.$$('.actions').hasAttribute('hidden'));
      element.showActions = true;
      assert.isFalse(element.$$('.actions').hasAttribute('hidden'));

      element.draft = true;
      assert.isTrue(isVisible(element.$$('.edit')), 'edit is visible');
      assert.isTrue(isVisible(element.$$('.discard')), 'discard is visible');
      assert.isFalse(isVisible(element.$$('.save')), 'save is not visible');
      assert.isFalse(isVisible(element.$$('.cancel')), 'cancel is not visible');
      assert.isFalse(isVisible(element.$$('.reply')), 'reply is not visible');
      assert.isFalse(isVisible(element.$$('.quote')), 'quote is not visible');
      assert.isFalse(isVisible(element.$$('.done')), 'done is not visible');

      element.editing = true;
      assert.isFalse(isVisible(element.$$('.edit')), 'edit is not visible');
      assert.isTrue(isVisible(element.$$('.discard')), 'discard is visible');
      assert.isTrue(isVisible(element.$$('.save')), 'save is visible');
      assert.isFalse(isVisible(element.$$('.cancel')), 'cancel is visible');
      assert.isFalse(isVisible(element.$$('.reply')), 'reply is not visible');
      assert.isFalse(isVisible(element.$$('.quote')), 'quote is not visible');
      assert.isFalse(isVisible(element.$$('.done')), 'done is not visible');

      element.draft = false;
      element.editing = false;
      assert.isFalse(isVisible(element.$$('.edit')), 'edit is not visible');
      assert.isFalse(isVisible(element.$$('.discard')),
          'discard is not visible');
      assert.isFalse(isVisible(element.$$('.save')), 'save is not visible');
      assert.isFalse(isVisible(element.$$('.cancel')), 'cancel is not visible');
      assert.isTrue(isVisible(element.$$('.reply')), 'reply is visible');
      assert.isTrue(isVisible(element.$$('.quote')), 'quote is visible');
      assert.isTrue(isVisible(element.$$('.done')), 'done is visible');

      element.comment.id = 'foo';
      element.draft = true;
      element.editing = true;
      assert.isTrue(isVisible(element.$$('.cancel')), 'cancel is visible');
    });

    test('collapsible drafts', function() {
      assert.isTrue(element.collapsed);
      assert.isFalse(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is not visible');
      assert.isFalse(isVisible(element.$$('.actions')),
          'actions are not visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');
      assert.isTrue(isVisible(element.$$('.collapsedContent')),
          'header middle content is visible');

      MockInteractions.tap(element.$.header);
      assert.isFalse(element.collapsed);
      assert.isTrue(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is visible');
      assert.isTrue(isVisible(element.$$('.actions')),
          'actions are visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');
      assert.isFalse(isVisible(element.$$('.collapsedContent')),
          'header middle content is is not visible');

      // When the edit button is pressed, should still see the actions
      // and also textarea
      MockInteractions.tap(element.$$('.edit'));
      assert.isFalse(element.collapsed);
      assert.isFalse(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is not visible');
      assert.isTrue(isVisible(element.$$('.actions')),
          'actions are visible');
      assert.isTrue(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is visible');
      assert.isFalse(isVisible(element.$$('.collapsedContent')),
          'header middle content is not visible');

      // When toggle again, everything should be hidden except for textarea
      // and header middle content should be visible
      MockInteractions.tap(element.$.header);
      assert.isTrue(element.collapsed);
      assert.isFalse(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is not visible');
      assert.isFalse(isVisible(element.$$('.actions')),
          'actions are not visible');
      assert.isFalse(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is not visible');
      assert.isTrue(isVisible(element.$$('.collapsedContent')),
          'header middle content is visible');

      // When toggle again, textarea should remain open in the state it was
      // before
      MockInteractions.tap(element.$.header);
      assert.isFalse(isVisible(element.$$('gr-formatted-text')),
          'gr-formatted-text is not visible');
      assert.isTrue(isVisible(element.$$('.actions')),
          'actions are visible');
      assert.isTrue(isVisible(element.$$('iron-autogrow-textarea')),
          'textarea is visible');
      assert.isFalse(isVisible(element.$$('.collapsedContent')),
          'header middle content is not visible');
    });

    test('draft creation/cancelation', function(done) {
      assert.isFalse(element.editing);
      MockInteractions.tap(element.$$('.edit'));
      assert.isTrue(element.editing);

      element._messageText = '';
      // Save should be disabled on an empty message.
      var disabled = element.$$('.save').hasAttribute('disabled');
      assert.isTrue(disabled, 'save button should be disabled.');
      element._messageText = '     ';
      disabled = element.$$('.save').hasAttribute('disabled');
      assert.isTrue(disabled, 'save button should be disabled.');

      var updateStub = sinon.stub();
      element.addEventListener('comment-update', updateStub);

      var numDiscardEvents = 0;
      element.addEventListener('comment-discard', function(e) {
        numDiscardEvents++;
        if (numDiscardEvents == 3) {
          assert.isFalse(updateStub.called);
          done();
        }
      });
      MockInteractions.tap(element.$$('.cancel'));
      MockInteractions.tap(element.$$('.discard'));
      element.flushDebouncer('fire-update');
      element._messageText = '';
      MockInteractions.pressAndReleaseKeyOn(element.$.editTextarea, 27); // esc
    });

    test('ctrl+s saves comment', function(done) {
      var stub = sinon.stub(element, 'save', function() {
        assert.isTrue(stub.called);
        stub.restore();
        done();
      });
      element._messageText = 'is that the horse from horsing around??';
      MockInteractions.pressAndReleaseKeyOn(
        element.$.editTextarea.textarea,
        83, 'ctrl');  // 'ctrl + s'
    });

    test('draft saving/editing', function(done) {
      var fireStub = sinon.stub(element, 'fire');

      element.draft = true;
      MockInteractions.tap(element.$$('.edit'));
      element._messageText = 'good news, everyone!';
      element.flushDebouncer('fire-update');
      element.flushDebouncer('store');
      assert(fireStub.calledWith('comment-update'),
             'comment-update should be sent');
      assert.deepEqual(fireStub.lastCall.args, [
        'comment-update', {
          comment: {
            __draft: true,
            __draftID: 'temp_draft_id',
            __editing: true,
            line: 5,
            path: '/path/to/file',
          },
          patchNum: 1,
        },
      ]);
      MockInteractions.tap(element.$$('.save'));

      assert.isTrue(element.disabled,
          'Element should be disabled when creating draft.');

      element._xhrPromise.then(function(draft) {
        assert(fireStub.calledWith('comment-save'),
               'comment-save should be sent');
        assert.deepEqual(fireStub.lastCall.args[1], {
          comment: {
            __draft: true,
            __draftID: 'temp_draft_id',
            __editing: false,
            id: 'baf0414d_40572e03',
            line: 5,
            message: 'saved!',
            path: '/path/to/file',
            updated: '2015-12-08 21:52:36.177000000',
          },
          patchNum: 1,
        });
        assert.isFalse(element.disabled,
                       'Element should be enabled when done creating draft.');
        assert.equal(draft.message, 'saved!');
        assert.isFalse(element.editing);
      }).then(function() {
        MockInteractions.tap(element.$$('.edit'));
        element._messageText = 'You’ll be delivering a package to Chapek 9, ' +
            'a world where humans are killed on sight.';
        MockInteractions.tap(element.$$('.save'));
        assert.isTrue(element.disabled,
            'Element should be disabled when updating draft.');

        element._xhrPromise.then(function(draft) {
          assert.isFalse(element.disabled,
              'Element should be enabled when done updating draft.');
          assert.equal(draft.message, 'saved!');
          assert.isFalse(element.editing);
          fireStub.restore();
          done();
        });
      });
    });

    test('clicking on date link does not trigger nav', function() {
      var showStub = sinon.stub(page, 'show');
      var dateEl = element.$$('.date');
      assert.ok(dateEl);
      MockInteractions.tap(dateEl);
      var dest = window.location.pathname + '#5';
      assert(showStub.lastCall.calledWithExactly(dest, null, false),
          'Should navigate to ' + dest + ' without triggering nav');
      showStub.restore();
    });
  });
</script>