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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-linked-text</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"/>
<script src="../../../scripts/util.js"></script>

<link rel="import" href="gr-linked-text.html">

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

<test-fixture id="basic">
  <template>
    <gr-linked-text>
      <div id="output"></div>
    </gr-linked-text>
  </template>
</test-fixture>

<script>
  suite('gr-linked-text tests', () => {
    let element;
    let sandbox;

    setup(() => {
      element = fixture('basic');
      sandbox = sinon.sandbox.create();
      sandbox.stub(Gerrit.Nav, 'mapCommentlinks', x => x);
      element.config = {
        ph: {
          match: '([Bb]ug|[Ii]ssue)\\s*#?(\\d+)',
          link: 'https://bugs.chromium.org/p/gerrit/issues/detail?id=$2',
        },
        prefixsameinlinkandpattern: {
          match: '([Hh][Tt][Tt][Pp]example)\\s*#?(\\d+)',
          link: 'https://bugs.chromium.org/p/gerrit/issues/detail?id=$2',
        },
        changeid: {
          match: '(I[0-9a-f]{8,40})',
          link: '#/q/$1',
        },
        changeid2: {
          match: 'Change-Id: +(I[0-9a-f]{8,40})',
          link: '#/q/$1',
        },
        googlesearch: {
          match: 'google:(.+)',
          link: 'https://bing.com/search?q=$1', // html should supercede link.
          html: '<a href="https://google.com/search?q=$1">$1</a>',
        },
        hashedhtml: {
          match: 'hash:(.+)',
          html: '<a href="#/awesomesauce">$1</a>',
        },
        baseurl: {
          match: 'test (.+)',
          html: '<a href="/r/awesomesauce">$1</a>',
        },
        anotatstartwithbaseurl: {
          match: 'a test (.+)',
          html: '[Lookup: <a href="/r/awesomesauce">$1</a>]',
        },
        disabledconfig: {
          match: 'foo:(.+)',
          link: 'https://google.com/search?q=$1',
          enabled: false,
        },
      };
    });

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

    test('URL pattern was parsed and linked.', () => {
      // Regular inline link.
      const url = 'https://bugs.chromium.org/p/gerrit/issues/detail?id=3650';
      element.content = url;
      const linkEl = element.$.output.childNodes[0];
      assert.equal(linkEl.target, '_blank');
      assert.equal(linkEl.rel, 'noopener');
      assert.equal(linkEl.href, url);
      assert.equal(linkEl.textContent, url);
    });

    test('Bug pattern was parsed and linked', () => {
      // "Issue/Bug" pattern.
      element.content = 'Issue 3650';

      let linkEl = element.$.output.childNodes[0];
      const url = 'https://bugs.chromium.org/p/gerrit/issues/detail?id=3650';
      assert.equal(linkEl.target, '_blank');
      assert.equal(linkEl.href, url);
      assert.equal(linkEl.textContent, 'Issue 3650');

      element.content = 'Bug 3650';
      linkEl = element.$.output.childNodes[0];
      assert.equal(linkEl.target, '_blank');
      assert.equal(linkEl.rel, 'noopener');
      assert.equal(linkEl.href, url);
      assert.equal(linkEl.textContent, 'Bug 3650');
    });

    test('Pattern with same prefix as link was correctly parsed', () => {
      // Pattern starts with the same prefix (`http`) as the url.
      element.content = 'httpexample 3650';

      assert.equal(element.$.output.childNodes.length, 1);
      const linkEl = element.$.output.childNodes[0];
      const url = 'https://bugs.chromium.org/p/gerrit/issues/detail?id=3650';
      assert.equal(linkEl.target, '_blank');
      assert.equal(linkEl.href, url);
      assert.equal(linkEl.textContent, 'httpexample 3650');
    });

    test('Change-Id pattern was parsed and linked', () => {
      // "Change-Id:" pattern.
      const changeID = 'I11d6a37f5e9b5df0486f6c922d8836dfa780e03e';
      const prefix = 'Change-Id: ';
      element.content = prefix + changeID;

      const textNode = element.$.output.childNodes[0];
      const linkEl = element.$.output.childNodes[1];
      assert.equal(textNode.textContent, prefix);
      const url = '/q/' + changeID;
      assert.isFalse(linkEl.hasAttribute('target'));
      // Since url is a path, the host is added automatically.
      assert.isTrue(linkEl.href.endsWith(url));
      assert.equal(linkEl.textContent, changeID);
    });

    test('Change-Id pattern was parsed and linked with base url', () => {
      window.CANONICAL_PATH = '/r';

      // "Change-Id:" pattern.
      const changeID = 'I11d6a37f5e9b5df0486f6c922d8836dfa780e03e';
      const prefix = 'Change-Id: ';
      element.content = prefix + changeID;

      const textNode = element.$.output.childNodes[0];
      const linkEl = element.$.output.childNodes[1];
      assert.equal(textNode.textContent, prefix);
      const url = '/r/q/' + changeID;
      assert.isFalse(linkEl.hasAttribute('target'));
      // Since url is a path, the host is added automatically.
      assert.isTrue(linkEl.href.endsWith(url));
      assert.equal(linkEl.textContent, changeID);
    });

    test('Multiple matches', () => {
      element.content = 'Issue 3650\nIssue 3450';
      const linkEl1 = element.$.output.childNodes[0];
      const linkEl2 = element.$.output.childNodes[2];

      assert.equal(linkEl1.target, '_blank');
      assert.equal(linkEl1.href,
          'https://bugs.chromium.org/p/gerrit/issues/detail?id=3650');
      assert.equal(linkEl1.textContent, 'Issue 3650');

      assert.equal(linkEl2.target, '_blank');
      assert.equal(linkEl2.href,
          'https://bugs.chromium.org/p/gerrit/issues/detail?id=3450');
      assert.equal(linkEl2.textContent, 'Issue 3450');
    });

    test('Change-Id pattern parsed before bug pattern', () => {
      // "Change-Id:" pattern.
      const changeID = 'I11d6a37f5e9b5df0486f6c922d8836dfa780e03e';
      const prefix = 'Change-Id: ';

      // "Issue/Bug" pattern.
      const bug = 'Issue 3650';

      const changeUrl = '/q/' + changeID;
      const bugUrl = 'https://bugs.chromium.org/p/gerrit/issues/detail?id=3650';

      element.content = prefix + changeID + bug;

      const textNode = element.$.output.childNodes[0];
      const changeLinkEl = element.$.output.childNodes[1];
      const bugLinkEl = element.$.output.childNodes[2];

      assert.equal(textNode.textContent, prefix);

      assert.isFalse(changeLinkEl.hasAttribute('target'));
      assert.isTrue(changeLinkEl.href.endsWith(changeUrl));
      assert.equal(changeLinkEl.textContent, changeID);

      assert.equal(bugLinkEl.target, '_blank');
      assert.equal(bugLinkEl.href, bugUrl);
      assert.equal(bugLinkEl.textContent, 'Issue 3650');
    });

    test('html field in link config', () => {
      element.content = 'google:do a barrel roll';
      const linkEl = element.$.output.childNodes[0];
      assert.equal(linkEl.getAttribute('href'),
          'https://google.com/search?q=do a barrel roll');
      assert.equal(linkEl.textContent, 'do a barrel roll');
    });

    test('removing hash from links', () => {
      element.content = 'hash:foo';
      const linkEl = element.$.output.childNodes[0];
      assert.isTrue(linkEl.href.endsWith('/awesomesauce'));
      assert.equal(linkEl.textContent, 'foo');
    });

    test('html with base url', () => {
      window.CANONICAL_PATH = '/r';

      element.content = 'test foo';
      const linkEl = element.$.output.childNodes[0];
      assert.isTrue(linkEl.href.endsWith('/r/awesomesauce'));
      assert.equal(linkEl.textContent, 'foo');
    });

    test('a is not at start', () => {
      window.CANONICAL_PATH = '/r';

      element.content = 'a test foo';
      const linkEl = element.$.output.childNodes[1];
      assert.isTrue(linkEl.href.endsWith('/r/awesomesauce'));
      assert.equal(linkEl.textContent, 'foo');
    });

    test('hash html with base url', () => {
      window.CANONICAL_PATH = '/r';

      element.content = 'hash:foo';
      const linkEl = element.$.output.childNodes[0];
      assert.isTrue(linkEl.href.endsWith('/r/awesomesauce'));
      assert.equal(linkEl.textContent, 'foo');
    });

    test('disabled config', () => {
      element.content = 'foo:baz';
      assert.equal(element.$.output.innerHTML, 'foo:baz');
    });

    test('R=email labels link correctly', () => {
      element.removeZeroWidthSpace = true;
      element.content = 'R=\u200Btest@google.com';
      assert.equal(element.$.output.textContent, 'R=test@google.com');
      assert.equal(element.$.output.innerHTML.match(/(R=<a)/g).length, 1);
    });

    test('CC=email labels link correctly', () => {
      element.removeZeroWidthSpace = true;
      element.content = 'CC=\u200Btest@google.com';
      assert.equal(element.$.output.textContent, 'CC=test@google.com');
      assert.equal(element.$.output.innerHTML.match(/(CC=<a)/g).length, 1);
    });

    test('only {http,https,mailto} protocols are linkified', () => {
      element.content = 'xx mailto:test@google.com yy';
      let links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'mailto:test@google.com');
      assert.equal(links[0].innerHTML, 'mailto:test@google.com');

      element.content = 'xx http://google.com yy';
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'http://google.com');
      assert.equal(links[0].innerHTML, 'http://google.com');

      element.content = 'xx https://google.com yy';
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'https://google.com');
      assert.equal(links[0].innerHTML, 'https://google.com');

      element.content = 'xx ssh://google.com yy';
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 0);

      element.content = 'xx ftp://google.com yy';
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 0);
    });

    test('links without leading whitespace are linkified', () => {
      element.content = 'xx abcmailto:test@google.com yy';
      assert.equal(element.$.output.innerHTML.substr(0, 6), 'xx abc');
      let links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'mailto:test@google.com');
      assert.equal(links[0].innerHTML, 'mailto:test@google.com');

      element.content = 'xx defhttp://google.com yy';
      assert.equal(element.$.output.innerHTML.substr(0, 6), 'xx def');
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'http://google.com');
      assert.equal(links[0].innerHTML, 'http://google.com');

      element.content = 'xx qwehttps://google.com yy';
      assert.equal(element.$.output.innerHTML.substr(0, 6), 'xx qwe');
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'https://google.com');
      assert.equal(links[0].innerHTML, 'https://google.com');

      // Non-latin character
      element.content = 'xx абвhttps://google.com yy';
      assert.equal(element.$.output.innerHTML.substr(0, 6), 'xx абв');
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 1);
      assert.equal(links[0].getAttribute('href'), 'https://google.com');
      assert.equal(links[0].innerHTML, 'https://google.com');

      element.content = 'xx ssh://google.com yy';
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 0);

      element.content = 'xx ftp://google.com yy';
      links = element.$.output.querySelectorAll('a');
      assert.equal(links.length, 0);
    });

    test('overlapping links', () => {
      element.config = {
        b1: {
          match: '(B:\\s*)(\\d+)',
          html: '$1<a href="ftp://foo/$2">$2</a>',
        },
        b2: {
          match: '(B:\\s*\\d+\\s*,\\s*)(\\d+)',
          html: '$1<a href="ftp://foo/$2">$2</a>',
        },
      };
      element.content = '- B: 123, 45';
      const links = Polymer.dom(element.root).querySelectorAll('a');

      assert.equal(links.length, 2);
      assert.equal(element.$$('span').textContent, '- B: 123, 45');

      assert.equal(links[0].href, 'ftp://foo/123');
      assert.equal(links[0].textContent, '123');

      assert.equal(links[1].href, 'ftp://foo/45');
      assert.equal(links[1].textContent, '45');
    });

    test('_contentOrConfigChanged called with config', () => {
      const contentStub = sandbox.stub(element, '_contentChanged');
      const contentConfigStub = sandbox.stub(element, '_contentOrConfigChanged');
      element.content = 'some text';
      assert.isTrue(contentStub.called);
      assert.isTrue(contentConfigStub.called);
    });
  });
</script>