/**
 * @license
 * Copyright (C) 2017 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.
 */

import '../../../test/common-test-setup-karma';
import './gr-group-members';
import {GrGroupMembers, ItemType} from './gr-group-members';
import {
  addListenerForTest,
  mockPromise,
  queryAll,
  queryAndAssert,
  stubBaseUrl,
  stubRestApi,
  waitUntil,
} from '../../../test/test-utils';
import {
  AccountId,
  AccountInfo,
  EmailAddress,
  GroupId,
  GroupInfo,
  GroupName,
} from '../../../types/common';
import {GrButton} from '../../shared/gr-button/gr-button';
import {GrAutocomplete} from '../../shared/gr-autocomplete/gr-autocomplete';
import * as MockInteractions from '@polymer/iron-test-helpers/mock-interactions';
import {PageErrorEvent} from '../../../types/events.js';

const basicFixture = fixtureFromElement('gr-group-members');

suite('gr-group-members tests', () => {
  let element: GrGroupMembers;

  let groups: GroupInfo;
  let groupMembers: AccountInfo[];
  let includedGroups: GroupInfo[];
  let groupStub: sinon.SinonStub;

  setup(async () => {
    groups = {
      id: 'testId1' as GroupId,
      name: 'Administrators' as GroupName,
      owner: 'Administrators',
      group_id: 1,
    };

    groupMembers = [
      {
        _account_id: 1000097 as AccountId,
        name: 'Jane Roe',
        email: 'jane.roe@example.com' as EmailAddress,
        username: 'jane',
      },
      {
        _account_id: 1000096 as AccountId,
        name: 'Test User',
        email: 'john.doe@example.com' as EmailAddress,
      },
      {
        _account_id: 1000095 as AccountId,
        name: 'Gerrit',
      },
      {
        _account_id: 1000098 as AccountId,
      },
    ];

    includedGroups = [
      {
        url: 'https://group/url',
        options: {
          visible_to_all: false,
        },
        id: 'testId' as GroupId,
        name: 'testName' as GroupName,
      },
      {
        url: '/group/url',
        options: {
          visible_to_all: false,
        },
        id: 'testId2' as GroupId,
        name: 'testName2' as GroupName,
      },
      {
        url: '#/group/url',
        options: {
          visible_to_all: false,
        },
        id: 'testId3' as GroupId,
        name: 'testName3' as GroupName,
      },
    ];

    stubRestApi('getSuggestedAccounts').callsFake(input => {
      if (input.startsWith('test')) {
        return Promise.resolve([
          {
            _account_id: 1000096 as AccountId,
            name: 'test-account',
            email: 'test.account@example.com' as EmailAddress,
            username: 'test123',
          },
          {
            _account_id: 1001439 as AccountId,
            name: 'test-admin',
            email: 'test.admin@example.com' as EmailAddress,
            username: 'test_admin',
          },
          {
            _account_id: 1001439 as AccountId,
            name: 'test-git',
            username: 'test_git',
          },
        ]);
      } else {
        return Promise.resolve([]);
      }
    });
    stubRestApi('getSuggestedGroups').callsFake(input => {
      if (input.startsWith('test')) {
        return Promise.resolve({
          'test-admin': {
            id: '1ce023d3fb4e4260776fb92cd08b52bbd21ce70a',
          },
          'test/Administrator (admin)': {
            id: 'test%3Aadmin',
          },
        });
      } else {
        return Promise.resolve({});
      }
    });
    stubRestApi('getGroupMembers').returns(Promise.resolve(groupMembers));
    stubRestApi('getIsGroupOwner').returns(Promise.resolve(true));
    stubRestApi('getIncludedGroup').returns(Promise.resolve(includedGroups));
    element = basicFixture.instantiate();
    await element.updateComplete;
    stubBaseUrl('https://test/site');
    element.groupId = 'testId1' as GroupId;
    groupStub = stubRestApi('getGroupConfig').returns(Promise.resolve(groups));
    return element.loadGroupDetails();
  });

  test('includedGroups', () => {
    assert.equal(element.includedGroups!.length, 3);
    assert.equal(
      queryAll<HTMLAnchorElement>(element, '.nameColumn a')[0].href,
      includedGroups[0].url
    );
    assert.equal(
      queryAll<HTMLAnchorElement>(element, '.nameColumn a')[1].href,
      'https://test/site/group/url'
    );
    assert.equal(
      queryAll<HTMLAnchorElement>(element, '.nameColumn a')[2].href,
      'https://test/site/group/url'
    );
  });

  test('save members correctly', async () => {
    element.groupOwner = true;

    const memberName = 'test-admin';

    const saveStub = stubRestApi('saveGroupMember').callsFake(() =>
      Promise.resolve({})
    );

    const button = queryAndAssert<GrButton>(element, '#saveGroupMember');

    assert.isTrue(button.hasAttribute('disabled'));

    const groupMemberSearchInput = queryAndAssert<GrAutocomplete>(
      element,
      '#groupMemberSearchInput'
    );
    groupMemberSearchInput.text = memberName;
    groupMemberSearchInput.value = '1234';

    await waitUntil(() => !button.hasAttribute('disabled'));

    return element.handleSavingGroupMember().then(() => {
      assert.isTrue(button.hasAttribute('disabled'));
      assert.isFalse(
        queryAndAssert<HTMLHeadingElement>(
          element,
          '#Title'
        ).classList.contains('edited')
      );
      assert.equal(saveStub.lastCall.args[0], 'Administrators');
      assert.equal(saveStub.lastCall.args[1], 1234);
    });
  });

  test('save included groups correctly', async () => {
    element.groupOwner = true;

    const includedGroupName = 'testName';

    const saveIncludedGroupStub = stubRestApi('saveIncludedGroup').callsFake(
      () => Promise.resolve({id: '0' as GroupId})
    );

    const button = queryAndAssert<GrButton>(element, '#saveIncludedGroups');

    await waitUntil(() => button.hasAttribute('disabled'));

    const includedGroupSearchInput = queryAndAssert<GrAutocomplete>(
      element,
      '#includedGroupSearchInput'
    );
    includedGroupSearchInput.text = includedGroupName;
    includedGroupSearchInput.value = 'testId';

    await waitUntil(() => !button.hasAttribute('disabled'));

    return element.handleSavingIncludedGroups().then(() => {
      assert.isTrue(button.hasAttribute('disabled'));
      assert.isFalse(
        queryAndAssert<HTMLHeadingElement>(
          element,
          '#Title'
        ).classList.contains('edited')
      );
      assert.equal(saveIncludedGroupStub.lastCall.args[0], 'Administrators');
      assert.equal(saveIncludedGroupStub.lastCall.args[1], 'testId');
    });
  });

  test('add included group 404 shows helpful error text', async () => {
    element.groupOwner = true;
    element.groupName = 'test' as GroupName;

    const memberName = 'bad-name';
    const alertStub = sinon.stub();
    element.addEventListener('show-alert', alertStub);
    const errorResponse = {...new Response(), status: 404, ok: false};
    stubRestApi('saveIncludedGroup').callsFake((_, _non, errFn) => {
      if (errFn !== undefined) {
        errFn(errorResponse);
      } else {
        assert.fail('errFn is undefined');
      }
      return Promise.resolve(undefined);
    });

    const groupMemberSearchInput = queryAndAssert<GrAutocomplete>(
      element,
      '#groupMemberSearchInput'
    );
    groupMemberSearchInput.text = memberName;
    groupMemberSearchInput.value = '1234';

    await element.updateComplete;
    element.handleSavingIncludedGroups().then(() => {
      assert.isTrue(alertStub.called);
    });
  });

  test('add included group network-error throws an exception', async () => {
    element.groupOwner = true;
    const memberName = 'bad-name';
    stubRestApi('saveIncludedGroup').throws(new Error());

    const groupMemberSearchInput = queryAndAssert<GrAutocomplete>(
      element,
      '#groupMemberSearchInput'
    );
    groupMemberSearchInput.text = memberName;
    groupMemberSearchInput.value = '1234';

    let exceptionThrown = false;
    try {
      await element.handleSavingIncludedGroups();
    } catch (e) {
      exceptionThrown = true;
    }
    assert.isTrue(exceptionThrown);
  });

  test('getAccountSuggestions empty', async () => {
    const accounts = await element.getAccountSuggestions('nonexistent');
    assert.equal(accounts.length, 0);
  });

  test('getAccountSuggestions non-empty', async () => {
    const accounts = await element.getAccountSuggestions('test-');
    assert.equal(accounts.length, 3);
    assert.equal(accounts[0].name, 'test-account <test.account@example.com>');
    assert.equal(accounts[1].name, 'test-admin <test.admin@example.com>');
    assert.equal(accounts[2].name, 'test-git');
  });

  test('getGroupSuggestions empty', async () => {
    const groups = await element.getGroupSuggestions('nonexistent');

    assert.equal(groups.length, 0);
  });

  test('getGroupSuggestions non-empty', async () => {
    const groups = await element.getGroupSuggestions('test');

    assert.equal(groups.length, 2);
    assert.equal(groups[0].name, 'test-admin');
    assert.equal(groups[1].name, 'test/Administrator (admin)');
  });

  test('delete member', () => {
    const deleteBtns = queryAll<GrButton>(element, '.deleteMembersButton');
    MockInteractions.tap(deleteBtns[0]);
    assert.equal(element.itemId, 1000097 as AccountId);
    assert.equal(element.itemName, 'jane');
    MockInteractions.tap(deleteBtns[1]);
    assert.equal(element.itemId, 1000096 as AccountId);
    assert.equal(element.itemName, 'Test User');
    MockInteractions.tap(deleteBtns[2]);
    assert.equal(element.itemId, 1000095 as AccountId);
    assert.equal(element.itemName, 'Gerrit');
    MockInteractions.tap(deleteBtns[3]);
    assert.equal(element.itemId, 1000098 as AccountId);
    assert.equal(element.itemName, '1000098');
  });

  test('delete included groups', () => {
    const deleteBtns = queryAll<GrButton>(
      element,
      '.deleteIncludedGroupButton'
    );
    MockInteractions.tap(deleteBtns[0]);
    assert.equal(element.itemId, 'testId' as GroupId);
    assert.equal(element.itemName, 'testName');
    MockInteractions.tap(deleteBtns[1]);
    assert.equal(element.itemId, 'testId2' as GroupId);
    assert.equal(element.itemName, 'testName2');
    MockInteractions.tap(deleteBtns[2]);
    assert.equal(element.itemId, 'testId3' as GroupId);
    assert.equal(element.itemName, 'testName3');
  });

  test('computeGroupUrl', () => {
    assert.isUndefined(element.computeGroupUrl(undefined));

    let url = '#/admin/groups/uuid-529b3c2605bb1029c8146f9de4a91c776fe64498';
    assert.equal(
      element.computeGroupUrl(url),
      'https://test/site/admin/groups/' +
        'uuid-529b3c2605bb1029c8146f9de4a91c776fe64498'
    );

    url =
      'https://gerrit.local/admin/groups/' +
      'uuid-529b3c2605bb1029c8146f9de4a91c776fe64498';
    assert.equal(element.computeGroupUrl(url), url);
  });

  test('fires page-error', async () => {
    groupStub.restore();

    element.groupId = 'testId1' as GroupId;

    const response = {...new Response(), status: 404};
    stubRestApi('getGroupConfig').callsFake((_, errFn) => {
      if (errFn !== undefined) {
        errFn(response);
      }
      return Promise.resolve(undefined);
    });
    const promise = mockPromise();
    addListenerForTest(document, 'page-error', e => {
      assert.deepEqual((e as PageErrorEvent).detail.response, response);
      promise.resolve();
    });

    element.loadGroupDetails();
    await promise;
  });

  test('_computeItemName', () => {
    assert.equal(element.computeItemTypeName(ItemType.MEMBER), 'Member');
    assert.equal(
      element.computeItemTypeName(ItemType.INCLUDED_GROUP),
      'Included Group'
    );
  });
});