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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="/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"/>
<link rel="import" href="gr-account-list.html">

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

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

<script>
  class MockSuggestionsProvider {
    getSuggestions(input) {
      return Promise.resolve([]);
    }

    makeSuggestionItem(item) {
      return item;
    }
  }

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

    let existingAccount1;
    let existingAccount2;
    let sandbox;
    let element;
    let suggestionsProvider;

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

    setup(() => {
      sandbox = sinon.sandbox.create();
      existingAccount1 = makeAccount();
      existingAccount2 = makeAccount();

      stub('gr-rest-api-interface', {
        getConfig() { return Promise.resolve({}); },
      });
      element = fixture('basic');
      element.accounts = [existingAccount1, existingAccount2];
      suggestionsProvider = new MockSuggestionsProvider();
      element.suggestionsProvider = suggestionsProvider;
    });

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

    test('account entry only appears when editable', () => {
      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', () => {
      flushAsynchronousOperations();
      sandbox.stub(element, '_computeRemovable').returns(true);
      // Existing accounts are listed.
      let 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.
      const 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: existingAccount1});
      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: existingAccount1});
      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.
      const 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('_getSuggestions uses filter correctly', done => {
      const originalSuggestions = [
        {
          email: 'abc@example.com',
          text: 'abcd',
          _account_id: 3,
        },
        {
          email: 'qwe@example.com',
          text: 'qwer',
          _account_id: 1,
        },
        {
          email: 'xyz@example.com',
          text: 'aaaaa',
          _account_id: 25,
        },
      ];
      sandbox.stub(suggestionsProvider, 'getSuggestions')
          .returns(Promise.resolve(originalSuggestions));
      sandbox.stub(suggestionsProvider, 'makeSuggestionItem', suggestion => {
        return {
          name: suggestion.email,
          value: suggestion._account_id,
        };
      });


      element._getSuggestions().then(suggestions => {
        // Default is no filtering.
        assert.equal(suggestions.length, 3);

        // Set up filter that only accepts suggestion1.
        const accountId = originalSuggestions[0]._account_id;
        element.filter = function(suggestion) {
          return suggestion._account_id === accountId;
        };

        element._getSuggestions().then(suggestions => {
          assert.deepEqual(suggestions,
              [{name: originalSuggestions[0].email,
                value: originalSuggestions[0]._account_id}]);
        }).then(done);
      });
    });

    test('_computeChipClass', () => {
      const 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', () => {
      const newAccount = makeAccount();
      newAccount._pendingAdd = true;
      element.readonly = false;
      element.removableValues = [];
      assert.isFalse(element._computeRemovable(existingAccount1, false));
      assert.isTrue(element._computeRemovable(newAccount, false));


      element.removableValues = [existingAccount1];
      assert.isTrue(element._computeRemovable(existingAccount1, false));
      assert.isTrue(element._computeRemovable(newAccount, false));
      assert.isFalse(element._computeRemovable(existingAccount2, false));

      element.readonly = true;
      assert.isFalse(element._computeRemovable(existingAccount1, true));
      assert.isFalse(element._computeRemovable(newAccount, true));
    });

    test('submitEntryText', () => {
      element.allowAnyInput = true;
      flushAsynchronousOperations();

      const getTextStub = sandbox.stub(element.$.entry, 'getText');
      getTextStub.onFirstCall().returns('');
      getTextStub.onSecondCall().returns('test');
      getTextStub.onThirdCall().returns('test@test');

      // When entry is empty, return true.
      const clearStub = sandbox.stub(element.$.entry, 'clear');
      assert.isTrue(element.submitEntryText());
      assert.isFalse(clearStub.called);

      // When entry is invalid, return false.
      assert.isFalse(element.submitEntryText());
      assert.isFalse(clearStub.called);

      // When entry is valid, return true and clear text.
      assert.isTrue(element.submitEntryText());
      assert.isTrue(clearStub.called);
      assert.equal(element.additions()[0].account.email, 'test@test');
    });

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

      const newAccount = makeAccount();
      element._handleAdd({
        detail: {
          value: {
            account: newAccount,
          },
        },
      });
      const 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', () => {
      assert.isNull(element.pendingConfirmation);
      assert.deepEqual(element.additions(), []);

      const group = makeGroup();
      const reviewer = {
        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,
          },
        },
      ]);
    });

    test('removeAccount fails if account is not removable', () => {
      element.readonly = true;
      const acct = makeAccount();
      element.accounts = [acct];
      element._removeAccount(acct);
      assert.equal(element.accounts.length, 1);
    });

    test('max-count', () => {
      element.maxCount = 1;
      const acct = makeAccount();
      element._handleAdd({
        detail: {
          value: {
            account: acct,
          },
        },
      });
      flushAsynchronousOperations();
      assert.isTrue(element.$.entry.hasAttribute('hidden'));
    });

    test('enter text calls suggestions provider', done => {
      const suggestions = [
        {
          email: 'abc@example.com',
          text: 'abcd',
        },
        {
          email: 'qwe@example.com',
          text: 'qwer',
        },
      ];
      const getSuggestionsStub =
          sandbox.stub(suggestionsProvider, 'getSuggestions')
              .returns(Promise.resolve(suggestions));

      const makeSuggestionItemStub =
          sandbox.stub(suggestionsProvider, 'makeSuggestionItem', item => item);

      const input = element.$.entry.$.input;

      input.text = 'newTest';
      MockInteractions.focus(input.$.input);
      input.noDebounce = true;
      flushAsynchronousOperations();
      flush(() => {
        assert.isTrue(getSuggestionsStub.calledOnce);
        assert.equal(getSuggestionsStub.lastCall.args[0], 'newTest');
        assert.equal(makeSuggestionItemStub.getCalls().length, 2);
        done();
      });
    });

    suite('allowAnyInput', () => {
      setup(() => {
        element.allowAnyInput = true;
      });

      test('adds emails', () => {
        const accountLen = element.accounts.length;
        element._handleAdd({detail: {value: 'test@test'}});
        assert.equal(element.accounts.length, accountLen + 1);
        assert.equal(element.accounts[accountLen].email, 'test@test');
      });

      test('toasts on invalid email', () => {
        const toastHandler = sandbox.stub();
        element.addEventListener('show-alert', toastHandler);
        element._handleAdd({detail: {value: 'test'}});
        assert.isTrue(toastHandler.called);
      });
    });

    test('_accountMatches', () => {
      const acct = makeAccount();

      assert.isTrue(element._accountMatches(acct, acct));
      acct.email = 'test';
      assert.isTrue(element._accountMatches(acct, acct));
      assert.isTrue(element._accountMatches({email: 'test'}, acct));

      assert.isFalse(element._accountMatches({}, acct));
      assert.isFalse(element._accountMatches({email: 'test2'}, acct));
      assert.isFalse(element._accountMatches({_account_id: -1}, acct));
    });

    suite('keyboard interactions', () => {
      test('backspace at text input start removes last account', done => {
        const input = element.$.entry.$.input;
        sandbox.stub(input, '_updateSuggestions');
        sandbox.stub(element, '_computeRemovable').returns(true);
        flush(() => {
          // Next line is a workaround for Firefix not moving cursor
          // on input field update
          assert.equal(
              element._getNativeInput(input.$.input).selectionStart, 0);
          input.text = 'test';
          MockInteractions.focus(input.$.input);
          flushAsynchronousOperations();
          assert.equal(element.accounts.length, 2);
          MockInteractions.pressAndReleaseKeyOn(
              element._getNativeInput(input.$.input), 8); // Backspace
          assert.equal(element.accounts.length, 2);
          input.text = '';
          MockInteractions.pressAndReleaseKeyOn(
              element._getNativeInput(input.$.input), 8); // Backspace
          flushAsynchronousOperations();
          assert.equal(element.accounts.length, 1);
          done();
        });
      });

      test('arrow key navigation', done => {
        const input = element.$.entry.$.input;
        input.text = '';
        element.accounts = [makeAccount(), makeAccount()];
        flush(() => {
          MockInteractions.focus(input.$.input);
          flushAsynchronousOperations();
          const chips = element.accountChips;
          const chipsOneSpy = sandbox.spy(chips[1], 'focus');
          MockInteractions.pressAndReleaseKeyOn(input.$.input, 37); // Left
          assert.isTrue(chipsOneSpy.called);
          const chipsZeroSpy = sandbox.spy(chips[0], 'focus');
          MockInteractions.pressAndReleaseKeyOn(chips[1], 37); // Left
          assert.isTrue(chipsZeroSpy.called);
          MockInteractions.pressAndReleaseKeyOn(chips[0], 37); // Left
          assert.isTrue(chipsZeroSpy.calledOnce);
          MockInteractions.pressAndReleaseKeyOn(chips[0], 39); // Right
          assert.isTrue(chipsOneSpy.calledTwice);
          done();
        });
      });

      test('delete', done => {
        element.accounts = [makeAccount(), makeAccount()];
        flush(() => {
          const focusSpy = sandbox.spy(element.accountChips[1], 'focus');
          const removeSpy = sandbox.spy(element, '_removeAccount');
          MockInteractions.pressAndReleaseKeyOn(
              element.accountChips[0], 8); // Backspace
          assert.isTrue(focusSpy.called);
          assert.isTrue(removeSpy.calledOnce);

          MockInteractions.pressAndReleaseKeyOn(
              element.accountChips[1], 46); // Delete
          assert.isTrue(removeSpy.calledTwice);
          done();
        });
      });
    });
  });
</script>