/**
 * @license
 * Copyright 2022 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import * as sinon from 'sinon';
import {assert} from '@open-wc/testing';
import {SinonStubbedMember} from 'sinon';
import {
  AccountId,
  BranchName,
  EmailAddress,
  NumericChangeId,
  RepoName,
  TopicName,
} from '../../api/rest-api';
import {
  NavigationService,
  navigationToken,
} from '../../elements/core/gr-navigation/gr-navigation';
import '../../test/common-test-setup';
import {testResolver} from '../../test/common-test-setup';
import {createChange} from '../../test/test-data-generators';
import {
  createSearchUrl,
  SearchUrlOptions,
  SearchViewModel,
  searchViewModelToken,
} from './search';

const CHANGE_ID = 'IcA3dAB3edAB9f60B8dcdA6ef71A75980e4B7127';
const COMMIT_HASH = '12345678';

suite('search view state tests', () => {
  test('createSearchUrl', () => {
    let options: SearchUrlOptions = {
      owner: 'a%b',
      repo: 'c%d' as RepoName,
      branch: 'e%f' as BranchName,
      topic: 'g%h' as TopicName,
      statuses: ['op%en'],
    };
    assert.equal(
      createSearchUrl(options),
      '/q/owner:a%2525b+project:c%2525d+branch:e%2525f+' +
        'topic:"g%2525h"+status:op%2525en'
    );

    window.CANONICAL_PATH = '/base';
    assert.equal(createSearchUrl(options).substring(0, 5), '/base');
    window.CANONICAL_PATH = undefined;

    options.offset = 100;
    assert.equal(
      createSearchUrl(options),
      '/q/owner:a%2525b+project:c%2525d+branch:e%2525f+' +
        'topic:"g%2525h"+status:op%2525en,100'
    );
    delete options.offset;

    // The presence of the query param overrides other options.
    options.query = 'foo$bar';
    assert.equal(createSearchUrl(options), '/q/foo%24bar');

    options.offset = 100;
    assert.equal(createSearchUrl(options), '/q/foo%24bar,100');

    options = {statuses: ['a', 'b', 'c']};
    assert.equal(
      createSearchUrl(options),
      '/q/(status:a OR status:b OR status:c)'
    );

    options = {topic: 'test' as TopicName};
    assert.equal(createSearchUrl(options), '/q/topic:"test"');

    options = {topic: 'test test' as TopicName};
    assert.equal(createSearchUrl(options), '/q/topic:"test+test"');

    options = {topic: 'test:test' as TopicName};
    assert.equal(createSearchUrl(options), '/q/topic:"test:test"');
  });

  suite('query based navigation', () => {
    let replaceUrlStub: SinonStubbedMember<NavigationService['replaceUrl']>;
    let model: SearchViewModel;

    setup(() => {
      model = testResolver(searchViewModelToken);
      replaceUrlStub = sinon.stub(testResolver(navigationToken), 'replaceUrl');
    });

    teardown(() => {
      model.finalize();
    });

    test('Searching for a change ID redirects to change', async () => {
      const change = {...createChange(), _number: 1 as NumericChangeId};

      model.redirectSingleResult(CHANGE_ID, [change]);

      assert.isTrue(replaceUrlStub.called);
      assert.equal(replaceUrlStub.lastCall.firstArg, '/c/test-project/+/1');
    });

    test('Searching for a change num redirects to change', async () => {
      const change = {...createChange(), _number: 1 as NumericChangeId};

      model.redirectSingleResult('1', [change]);

      assert.isTrue(replaceUrlStub.called);
      assert.equal(replaceUrlStub.lastCall.firstArg, '/c/test-project/+/1');
    });

    test('Commit hash redirects to change', async () => {
      const change = {...createChange(), _number: 1 as NumericChangeId};

      model.redirectSingleResult(COMMIT_HASH, [change]);

      assert.isTrue(replaceUrlStub.called);
      assert.equal(replaceUrlStub.lastCall.firstArg, '/c/test-project/+/1');
    });

    test('No results: no redirect', async () => {
      model.redirectSingleResult(CHANGE_ID, []);

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

    test('More than 1 result: no redirect', async () => {
      const change1 = {...createChange(), _number: 1 as NumericChangeId};
      const change2 = {...createChange(), _number: 2 as NumericChangeId};

      model.redirectSingleResult(CHANGE_ID, [change1, change2]);

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

  suite('selectors', () => {
    let model: SearchViewModel;
    let userId: AccountId | EmailAddress | undefined;
    let repo: RepoName | undefined;

    setup(() => {
      model = testResolver(searchViewModelToken);
      model.userId$.subscribe(x => (userId = x));
      model.repo$.subscribe(x => (repo = x));
    });

    teardown(() => {
      model.finalize();
    });

    test('userId', async () => {
      assert.isUndefined(userId);

      // userId set when all owners are the same
      model.updateState({
        query: 'owner:foo',
        changes: [
          {...createChange(), owner: {email: 'foo@bar' as EmailAddress}},
          {...createChange(), owner: {email: 'foo@bar' as EmailAddress}},
        ],
      });
      assert.equal(userId, 'foo@bar' as EmailAddress);

      // userId not set when multiple owners exist
      model.updateState({
        query: 'owner:foo',
        changes: [
          {...createChange(), owner: {email: 'foo@bar' as EmailAddress}},
          {...createChange(), owner: {email: 'foo@foo' as EmailAddress}},
        ],
      });
      assert.isUndefined(userId);

      // userId not set when query is not about owner
      model.updateState({
        query: 'foo bar baz',
        changes: [
          {...createChange(), owner: {email: 'foo@bar' as EmailAddress}},
        ],
      });
      assert.isUndefined(userId);
    });

    test('repo', async () => {
      assert.isUndefined(repo);

      model.updateState({
        query: 'foo bar baz',
        changes: [{...createChange(), project: 'test-repo' as RepoName}],
      });
      assert.isUndefined(repo);

      model.updateState({
        query: 'foo bar baz',
        changes: [{...createChange()}],
      });
      assert.isUndefined(repo);

      model.updateState({
        query: 'project: test-repo',
        changes: [{...createChange(), project: 'test-repo' as RepoName}],
      });
      assert.equal(repo, 'test-repo' as RepoName);

      model.updateState({
        query: 'project:test-repo status:open',
        changes: [{...createChange(), project: 'test-repo' as RepoName}],
      });
      assert.equal(repo, 'test-repo' as RepoName);
    });
  });
});