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

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.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-account-list.html">

<test-fixture id="basic">
  <template>
    <gr-account-list></gr-account-list>
  </template>
</test-fixture>

<script>
  suite('gr-account-list tests', function() {
    var _nextAccountId = 0;
    var makeAccount = function() {
      var accountId = ++_nextAccountId;
      return {
        _account_id: accountId,
      };
    };
    var makeGroup = function() {
      var groupId = 'group' + (++_nextAccountId);
      return {
        id: groupId,
      };
    };

    var existingReviewer1;
    var existingReviewer2;
    var element;

    function getChips() {
      return Polymer.dom(element.root).querySelectorAll('gr-account-chip');
    }

    setup(function() {
      existingReviewer1 = makeAccount();
      existingReviewer2 = makeAccount();

      element = fixture('basic');
      element.accounts = [existingReviewer1, existingReviewer2];

      stub('gr-rest-api-interface', {
        getConfig: function() {
          return Promise.resolve({});
        },
      });
    });

    test('account entry only appears when editable', function() {
      element.readonly = false;
      assert.isFalse(element.$.entry.hasAttribute('hidden'));
      element.readonly = true;
      assert.isTrue(element.$.entry.hasAttribute('hidden'));
    });

    test('addition and removal of account/group chips', function() {
      flushAsynchronousOperations();

      // Existing accounts are listed.
      var chips = getChips();
      assert.equal(chips.length, 2);
      assert.isFalse(chips[0].classList.contains('pendingAdd'));
      assert.isFalse(chips[1].classList.contains('pendingAdd'));

      // New accounts are added to end with pendingAdd class.
      var newAccount = makeAccount();
      element._handleAdd({
        detail: {
          value: {
            account: newAccount,
          },
        },
      });
      flushAsynchronousOperations();
      chips = getChips();
      assert.equal(chips.length, 3);
      assert.isFalse(chips[0].classList.contains('pendingAdd'));
      assert.isFalse(chips[1].classList.contains('pendingAdd'));
      assert.isTrue(chips[2].classList.contains('pendingAdd'));

      // Removed accounts are taken out of the list.
      element.fire('remove', {account: existingReviewer1});
      flushAsynchronousOperations();
      chips = getChips();
      assert.equal(chips.length, 2);
      assert.isFalse(chips[0].classList.contains('pendingAdd'));
      assert.isTrue(chips[1].classList.contains('pendingAdd'));

      // Invalid remove is ignored.
      element.fire('remove', {account: existingReviewer1});
      element.fire('remove', {account: newAccount});
      flushAsynchronousOperations();
      chips = getChips();
      assert.equal(chips.length, 1);
      assert.isFalse(chips[0].classList.contains('pendingAdd'));

      // New groups are added to end with pendingAdd and group classes.
      var newGroup = makeGroup();
      element._handleAdd({
        detail: {
          value: {
            group: newGroup,
          },
        },
      });
      flushAsynchronousOperations();
      chips = getChips();
      assert.equal(chips.length, 2);
      assert.isTrue(chips[1].classList.contains('group'));
      assert.isTrue(chips[1].classList.contains('pendingAdd'));

      // Removed groups are taken out of the list.
      element.fire('remove', {account: newGroup});
      flushAsynchronousOperations();
      chips = getChips();
      assert.equal(chips.length, 1);
      assert.isFalse(chips[0].classList.contains('pendingAdd'));
    });

    test('_computeChipClass', function() {
      var account = makeAccount();
      assert.equal(element._computeChipClass(account), '');
      account._pendingAdd = true;
      assert.equal(element._computeChipClass(account), 'pendingAdd');
      account._group = true;
      assert.equal(element._computeChipClass(account), 'group pendingAdd');
      account._pendingAdd = false;
      assert.equal(element._computeChipClass(account), 'group');
    });

    test('_computeRemovable', function() {
      var newAccount = makeAccount();
      newAccount._pendingAdd = true;
      element.readonly = false;
      assert.isFalse(element._computeRemovable(existingReviewer1));
      assert.isTrue(element._computeRemovable(newAccount));

      element.readonly = true;
      assert.isFalse(element._computeRemovable(existingReviewer1));
      assert.isFalse(element._computeRemovable(newAccount));
    });

    test('additions returns sanitized new accounts and groups', function() {
      assert.equal(element.additions().length, 0);

      var newAccount = makeAccount();
      element._handleAdd({
        detail: {
          value: {
            account: newAccount,
          },
        },
      });
      var newGroup = makeGroup();
      element._handleAdd({
        detail: {
          value: {
            group: newGroup,
          },
        },
      });

      assert.deepEqual(element.additions(), [
        {
          account: {
            _account_id: newAccount._account_id,
            _pendingAdd: true,
          },
        },
        {
          group: {
            id: newGroup.id,
            _group: true,
            _pendingAdd: true,
          },
        },
      ]);
    });

    test('large group confirmations', function() {
      assert.isNull(element.pendingConfirmation);
      assert.deepEqual(element.additions(), []);

      var group = makeGroup();
      var reviewer = {
        group: group,
        count: 10,
        confirm: true,
      };
      element._handleAdd({
        detail: {
          value: reviewer,
        },
      });

      assert.deepEqual(element.pendingConfirmation, reviewer);
      assert.deepEqual(element.additions(), []);

      element.confirmGroup(group);
      assert.isNull(element.pendingConfirmation);
      assert.deepEqual(element.additions(), [
        {
          group: {
            id: group.id,
            _group: true,
            _pendingAdd: true,
            confirmed: true,
          },
        },
      ]);
    });
  });
</script>