<!DOCTYPE html>
<!--
Copyright (C) 2015 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">
<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">

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

<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('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('message is not retrieved from storage when other editing is true',
        function(done) {
      var storageStub = sandbox.stub(element.$.storage, 'getDraftComment');
      var loadSpy = sandbox.spy(element, '_loadLocalDraft');

      element.changeNum = 1;
      element.patchNum = 1;
      element.comment = {
        author: {
          name: 'Mr. Peanutbutter',
          email: 'tenn1sballchaser@aol.com',
        },
        line: 5,
        __otherEditing: true,
      };
      flush(function() {
        assert.isTrue(loadSpy.called);
        assert.isFalse(storageStub.called);
        done();
      });
    });

    test('message is retrieved from storage when there is no other editing',
        function(done) {
      var storageStub = sandbox.stub(element.$.storage, 'getDraftComment');
      var loadSpy = sandbox.spy(element, '_loadLocalDraft');

      element.changeNum = 1;
      element.patchNum = 1;
      element.comment = {
        author: {
          name: 'Mr. Peanutbutter',
          email: 'tenn1sballchaser@aol.com',
        },
        line: 5,
      };
      flush(function() {
        assert.isTrue(loadSpy.called);
        assert.isTrue(storageStub.called);
        done();
      });
    });

    test('_getPatchNum', function() {
      element.side = 'PARENT';
      element.patchNum = 1;
      assert.equal(element._getPatchNum(), 'PARENT');
      element.side = 'REVISION';
      assert.equal(element._getPatchNum(), 1);
    });

    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');
    });

    suite('while editing', function() {
      setup(function() {
        element.editing = true;
        element._messageText = 'test';
        sandbox.stub(element, '_handleCancel');
        sandbox.stub(element, '_handleSave');
        flushAsynchronousOperations();
      });

      suite('when text is empty', function() {
        setup(function() {
          element._messageText = '';
        });

        test('esc closes comment when text is empty', function() {
          MockInteractions.pressAndReleaseKeyOn(
              element.$.editTextarea, 27); // esc
          assert.isTrue(element._handleCancel.called);
        });

        test('ctrl+enter does not save', function() {
          MockInteractions.pressAndReleaseKeyOn(
              element.$.editTextarea, 13, 'ctrl'); // ctrl + enter
          assert.isFalse(element._handleSave.called);
        });

        test('meta+enter does not save', function() {
          MockInteractions.pressAndReleaseKeyOn(
              element.$.editTextarea, 13, 'meta'); // meta + enter
          assert.isFalse(element._handleSave.called);
        });

        test('ctrl+s does not save', function() {
          MockInteractions.pressAndReleaseKeyOn(
              element.$.editTextarea, 83, 'ctrl'); // ctrl + s
          assert.isFalse(element._handleSave.called);
        });
      });

      test('esc does not close comment that has content', function() {
        MockInteractions.pressAndReleaseKeyOn(
            element.$.editTextarea, 27); // esc
        assert.isFalse(element._handleCancel.called);
      });

      test('ctrl+enter saves', function() {
        MockInteractions.pressAndReleaseKeyOn(
            element.$.editTextarea, 13, 'ctrl'); // ctrl + enter
        assert.isTrue(element._handleSave.called);
      });

      test('meta+enter saves', function() {
        MockInteractions.pressAndReleaseKeyOn(
            element.$.editTextarea, 13, 'meta'); // meta + enter
        assert.isTrue(element._handleSave.called);
      });

      test('ctrl+s saves', function() {
        MockInteractions.pressAndReleaseKeyOn(
            element.$.editTextarea, 83, 'ctrl'); // ctrl + s
        assert.isTrue(element._handleSave.called);
      });
    });
    test('delete comment button for non-admins is hidden', function() {
      element._isAdmin = false;
      assert.isTrue(element.$$('.action.delete').hidden);
    });

    test('delete comment', function(done) {
      sandbox.stub(
          element.$.restAPI, 'deleteComment').returns(Promise.resolve());
      sandbox.spy(element.$.overlay, 'open');
      element.changeNum = 42;
      element.patchNum = 0xDEADBEEF;
      element._isAdmin = true;
      MockInteractions.tap(element.$$('.action.delete'));
      element.$.overlay.open.lastCall.returnValue.then(function() {
        element.$.confirmDeleteComment.message = 'removal reason';
        element._handleConfirmDeleteComment();
        assert.isTrue(element.$.restAPI.deleteComment.calledWith(
            42, 0xDEADBEEF, 'baf0414d_60047215', 'removal reason'));
        done();
      });
    });
  });

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

    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 = {
        __commentSide: 'right',
        __draft: true,
        __draftID: 'temp_draft_id',
        path: '/path/to/file',
        line: 5,
      };
      element.commentSide = 'right';
      sandbox = sinon.sandbox.create();
    });

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

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

      element.showActions = true;
      assert.isFalse(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isTrue(element.$$('.robotActions').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.$$('.resolve')),
          'resolve is not visible');
      assert.isFalse(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isTrue(element.$$('.robotActions').hasAttribute('hidden'));

      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.isTrue(isVisible(element.$$('.resolve')), 'resolve is visible');
      assert.isFalse(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isTrue(element.$$('.robotActions').hasAttribute('hidden'));

      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.isFalse(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isTrue(element.$$('.robotActions').hasAttribute('hidden'));

      element.comment.id = 'foo';
      element.draft = true;
      element.editing = true;
      assert.isTrue(isVisible(element.$$('.cancel')), 'cancel is visible');
      assert.isFalse(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isTrue(element.$$('.robotActions').hasAttribute('hidden'));

      element.isRobotComment = true;
      element.draft = true;
      assert.isTrue(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isFalse(element.$$('.robotActions').hasAttribute('hidden'));

      // It is not expected to see Robot comment drafts, but if they appear,
      // they will behave the same as non-drafts.
      element.draft = false;
      assert.isTrue(element.$$('.humanActions').hasAttribute('hidden'));
      assert.isFalse(element.$$('.robotActions').hasAttribute('hidden'));
    });

    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 = '';
      var eraseMessageDraftSpy = sandbox.spy(element, '_eraseDraftComment');

      // 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++;
        assert.isFalse(eraseMessageDraftSpy.called);
        if (numDiscardEvents === 2) {
          assert.isFalse(updateStub.called);
          done();
        }
      });
      MockInteractions.tap(element.$$('.cancel'));
      element.flushDebouncer('fire-update');
      element._messageText = '';
      MockInteractions.pressAndReleaseKeyOn(element.$.editTextarea, 27); // esc
    });

    test('draft discard removes message from storage', function(done) {
      element._messageText = '';
      var eraseMessageDraftSpy = sandbox.spy(element, '_eraseDraftComment');

      var numDiscardEvents = 0;
      element.addEventListener('comment-discard', function(e) {
        assert.isTrue(eraseMessageDraftSpy.called);
        done();
      });
      MockInteractions.tap(element.$$('.discard'));
    });

    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');
      let cancelDebounce = sandbox.stub(element, 'cancelDebouncer');

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

    test('proper event fires on resolve', function(done) {
      element.addEventListener('comment-update', function(e) {
        assert.isTrue(e.detail.comment.unresolved);
        done();
      });
      MockInteractions.tap(element.$$('.resolve input'));
    });

    test('resolved comment state indicated by checkbox', function() {
      element.comment = {unresolved: false};
      assert.isTrue(element.$$('.resolve input').checked);
      element.comment = {unresolved: true};
      assert.isFalse(element.$$('.resolve input').checked);
    });
  });
</script>