<!DOCTYPE html>
<!--
@license
Copyright (C) 2016 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-ranged-comment-layer</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<script src="../gr-diff/gr-diff-line.js"></script>

<link rel="import" href="gr-ranged-comment-layer.html">

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

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

<script>
  suite('gr-ranged-comment-layer', () => {
    let element;
    let sandbox;

    setup(() => {
      const initialCommentRanges = [
        {
          side: 'left',
          range: {
            end_character: 9,
            end_line: 39,
            start_character: 6,
            start_line: 36,
          },
        },
        {
          side: 'right',
          range: {
            end_character: 22,
            end_line: 12,
            start_character: 10,
            start_line: 10,
          },
        },
        {
          side: 'right',
          range: {
            end_character: 15,
            end_line: 100,
            start_character: 5,
            start_line: 100,
          },
        },
        {
          side: 'right',
          range: {
            end_character: 2,
            end_line: 55,
            start_character: 32,
            start_line: 55,
          },
        },
      ];

      sandbox = sinon.sandbox.create();
      element = fixture('basic');
      element.commentRanges = initialCommentRanges;
    });

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

    suite('annotate', () => {
      let sandbox;
      let el;
      let line;
      let annotateElementStub;
      const lineNumberEl = document.createElement('td');

      setup(() => {
        sandbox = sinon.sandbox.create();
        annotateElementStub = sandbox.stub(GrAnnotation, 'annotateElement');
        el = document.createElement('div');
        el.setAttribute('data-side', 'left');
        line = new GrDiffLine(GrDiffLine.Type.BOTH);
        line.text = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit,';
      });

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

      test('type=Remove no-comment', () => {
        line.type = GrDiffLine.Type.REMOVE;
        line.beforeNumber = 40;

        element.annotate(el, lineNumberEl, line);

        assert.isFalse(annotateElementStub.called);
      });

      test('type=Remove has-comment', () => {
        line.type = GrDiffLine.Type.REMOVE;
        line.beforeNumber = 36;
        const expectedStart = 6;
        const expectedLength = line.text.length - expectedStart;

        element.annotate(el, lineNumberEl, line);

        assert.isTrue(annotateElementStub.called);
        const lastCall = annotateElementStub.lastCall;
        assert.equal(lastCall.args[0], el);
        assert.equal(lastCall.args[1], expectedStart);
        assert.equal(lastCall.args[2], expectedLength);
        assert.equal(lastCall.args[3], 'range');
      });

      test('type=Remove has-comment hovering', () => {
        line.type = GrDiffLine.Type.REMOVE;
        line.beforeNumber = 36;
        element.set(['commentRanges', 0, 'hovering'], true);

        const expectedStart = 6;
        const expectedLength = line.text.length - expectedStart;

        element.annotate(el, lineNumberEl, line);

        assert.isTrue(annotateElementStub.called);
        const lastCall = annotateElementStub.lastCall;
        assert.equal(lastCall.args[0], el);
        assert.equal(lastCall.args[1], expectedStart);
        assert.equal(lastCall.args[2], expectedLength);
        assert.equal(lastCall.args[3], 'rangeHighlight');
      });

      test('type=Both has-comment', () => {
        line.type = GrDiffLine.Type.BOTH;
        line.beforeNumber = 36;

        const expectedStart = 6;
        const expectedLength = line.text.length - expectedStart;

        element.annotate(el, lineNumberEl, line);

        assert.isTrue(annotateElementStub.called);
        const lastCall = annotateElementStub.lastCall;
        assert.equal(lastCall.args[0], el);
        assert.equal(lastCall.args[1], expectedStart);
        assert.equal(lastCall.args[2], expectedLength);
        assert.equal(lastCall.args[3], 'range');
      });

      test('type=Both has-comment off side', () => {
        line.type = GrDiffLine.Type.BOTH;
        line.beforeNumber = 36;
        el.setAttribute('data-side', 'right');

        element.annotate(el, lineNumberEl, line);

        assert.isFalse(annotateElementStub.called);
      });

      test('type=Add has-comment', () => {
        line.type = GrDiffLine.Type.ADD;
        line.afterNumber = 12;
        el.setAttribute('data-side', 'right');

        const expectedStart = 0;
        const expectedLength = 22;

        element.annotate(el, lineNumberEl, line);

        assert.isTrue(annotateElementStub.called);
        const lastCall = annotateElementStub.lastCall;
        assert.equal(lastCall.args[0], el);
        assert.equal(lastCall.args[1], expectedStart);
        assert.equal(lastCall.args[2], expectedLength);
        assert.equal(lastCall.args[3], 'range');
      });
    });

    test('_handleCommentRangesChange overwrite', () => {
      element.set('commentRanges', []);

      assert.equal(Object.keys(element._rangesMap.left).length, 0);
      assert.equal(Object.keys(element._rangesMap.right).length, 0);
    });

    test('_handleCommentRangesChange hovering', () => {
      const notifyStub = sinon.stub();
      element.addListener(notifyStub);

      element.set(['commentRanges', 1, 'hovering'], true);

      assert.isTrue(notifyStub.called);
      const lastCall = notifyStub.lastCall;
      assert.equal(lastCall.args[0], 10);
      assert.equal(lastCall.args[1], 12);
      assert.equal(lastCall.args[2], 'right');
    });

    test('_handleCommentRangesChange splice out', () => {
      const notifyStub = sinon.stub();
      element.addListener(notifyStub);

      element.splice('commentRanges', 1, 1);

      assert.isTrue(notifyStub.called);
      const lastCall = notifyStub.lastCall;
      assert.equal(lastCall.args[0], 10);
      assert.equal(lastCall.args[1], 12);
      assert.equal(lastCall.args[2], 'right');
    });

    test('_handleCommentRangesChange splice in', () => {
      const notifyStub = sinon.stub();
      element.addListener(notifyStub);

      element.splice('commentRanges', 1, 0, {
        side: 'left',
        range: {
          end_character: 15,
          end_line: 275,
          start_character: 5,
          start_line: 250,
        },
      });

      assert.isTrue(notifyStub.called);
      const lastCall = notifyStub.lastCall;
      assert.equal(lastCall.args[0], 250);
      assert.equal(lastCall.args[1], 275);
      assert.equal(lastCall.args[2], 'left');
    });

    test('_computeCommentMap creates maps correctly', () => {
      // There is only one ranged comment on the left, but it spans ll.36-39.
      const leftKeys = [];
      for (let i = 36; i <= 39; i++) { leftKeys.push('' + i); }
      assert.deepEqual(Object.keys(element._rangesMap.left).sort(),
          leftKeys.sort());

      assert.equal(element._rangesMap.left[36].length, 1);
      assert.equal(element._rangesMap.left[36][0].start, 6);
      assert.equal(element._rangesMap.left[36][0].end, -1);

      assert.equal(element._rangesMap.left[37].length, 1);
      assert.equal(element._rangesMap.left[37][0].start, 0);
      assert.equal(element._rangesMap.left[37][0].end, -1);

      assert.equal(element._rangesMap.left[38].length, 1);
      assert.equal(element._rangesMap.left[38][0].start, 0);
      assert.equal(element._rangesMap.left[38][0].end, -1);

      assert.equal(element._rangesMap.left[39].length, 1);
      assert.equal(element._rangesMap.left[39][0].start, 0);
      assert.equal(element._rangesMap.left[39][0].end, 9);

      // The right has two ranged comments, one spanning ll.10-12 and the other
      // on line 100.
      const rightKeys = [];
      for (let i = 10; i <= 12; i++) { rightKeys.push('' + i); }
      rightKeys.push('55', '100');
      assert.deepEqual(Object.keys(element._rangesMap.right).sort(),
          rightKeys.sort());

      assert.equal(element._rangesMap.right[10].length, 1);
      assert.equal(element._rangesMap.right[10][0].start, 10);
      assert.equal(element._rangesMap.right[10][0].end, -1);

      assert.equal(element._rangesMap.right[11].length, 1);
      assert.equal(element._rangesMap.right[11][0].start, 0);
      assert.equal(element._rangesMap.right[11][0].end, -1);

      assert.equal(element._rangesMap.right[12].length, 1);
      assert.equal(element._rangesMap.right[12][0].start, 0);
      assert.equal(element._rangesMap.right[12][0].end, 22);

      assert.equal(element._rangesMap.right[100].length, 1);
      assert.equal(element._rangesMap.right[100][0].start, 5);
      assert.equal(element._rangesMap.right[100][0].end, 15);
    });

    test('_getRangesForLine normalizes invalid ranges', () => {
      const line = {
        afterNumber: 55,
        text: '_getRangesForLine normalizes invalid ranges',
      };
      const ranges = element._getRangesForLine(line, 'right');
      assert.equal(ranges.length, 1);
      const range = ranges[0];
      assert.isTrue(range.start < range.end, 'start and end are normalized');
      assert.equal(range.end, line.text.length);
    });
  });
</script>