/**
 * @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-edit-controls';
import {GrEditControls} from './gr-edit-controls';
import {GerritNav} from '../../core/gr-navigation/gr-navigation';
import {queryAll, stubRestApi, waitUntil} from '../../../test/test-utils';
import {createChange, createRevision} from '../../../test/test-data-generators';
import {GrAutocomplete} from '../../shared/gr-autocomplete/gr-autocomplete';
import {CommitId, NumericChangeId, PatchSetNum} from '../../../types/common';
import {RepoName} from '../../../api/rest-api';
import {queryAndAssert} from '../../../test/test-utils';
import * as MockInteractions from '@polymer/iron-test-helpers/mock-interactions';
import {fixture, html} from '@open-wc/testing-helpers';
import {GrButton} from '../../shared/gr-button/gr-button';
import '../../shared/gr-dialog/gr-dialog';

suite('gr-edit-controls tests', () => {
  let element: GrEditControls;

  let showDialogSpy: sinon.SinonSpy;
  let closeDialogSpy: sinon.SinonSpy;
  let hideDialogStub: sinon.SinonStub;
  let queryStub: sinon.SinonStub;

  setup(async () => {
    element = await fixture<GrEditControls>(html`
      <gr-edit-controls></gr-edit-controls>
    `);
    element.change = createChange();
    element.patchNum = 1 as PatchSetNum;
    showDialogSpy = sinon.spy(element, 'showDialog');
    closeDialogSpy = sinon.spy(element, 'closeDialog');
    hideDialogStub = sinon.stub(element, 'hideAllDialogs');
    queryStub = stubRestApi('queryChangeFiles').returns(Promise.resolve([]));
    await element.updateComplete;
  });

  test('all actions exist', () => {
    // We take 1 away from the total found, due to an extra button being
    // added for the file uploads (browse).
    assert.equal(
      queryAll<GrButton>(element, 'gr-button').length - 1,
      element.actions.length
    );
  });

  suite('edit button CUJ', () => {
    let editDiffStub: sinon.SinonStub;
    let navStub: sinon.SinonStub;
    let openAutoComplete: GrAutocomplete;

    setup(() => {
      editDiffStub = sinon.stub(GerritNav, 'getEditUrlForDiff');
      navStub = sinon.stub(GerritNav, 'navigateToRelativeUrl');
      openAutoComplete = queryAndAssert<GrAutocomplete>(
        element.openDialog,
        'gr-autocomplete'
      );
    });

    test('isValidPath', () => {
      assert.isFalse(element.isValidPath(''));
      assert.isFalse(element.isValidPath('test/'));
      assert.isFalse(element.isValidPath('/'));
      assert.isTrue(element.isValidPath('test/path.cpp'));
      assert.isTrue(element.isValidPath('test.js'));
    });

    test('open', async () => {
      assert.isFalse(hideDialogStub.called);
      MockInteractions.tap(queryAndAssert(element, '#open'));
      element.patchNum = 1 as PatchSetNum;
      await showDialogSpy.lastCall.returnValue;
      assert.isTrue(hideDialogStub.called);
      assert.isTrue(element.openDialog!.disabled);
      assert.isFalse(queryStub.called);
      // Setup focused manually - in headless mode Chrome sometimes don't
      // setup focus. flush and/or flushAsynchronousOperations don't help
      openAutoComplete.focused = true;
      openAutoComplete.noDebounce = true;
      openAutoComplete.text = 'src/test.cpp';
      await element.updateComplete;
      assert.isTrue(queryStub.called);
      await waitUntil(() => !element.openDialog!.disabled);
      queryAndAssert<GrButton>(
        element.openDialog,
        'gr-button[primary]'
      ).click();
      await waitUntil(() => editDiffStub.called);

      assert.isTrue(navStub.called);
      assert.deepEqual(editDiffStub.lastCall.args, [
        element.change,
        'src/test.cpp',
        element.patchNum,
      ]);
      assert.isTrue(closeDialogSpy.called);
    });

    test('cancel', async () => {
      MockInteractions.tap(queryAndAssert(element, '#open'));
      return showDialogSpy.lastCall.returnValue.then(async () => {
        assert.isTrue(element.openDialog!.disabled);
        openAutoComplete.noDebounce = true;
        openAutoComplete.text = 'src/test.cpp';
        await element.updateComplete;
        await waitUntil(() => !element.openDialog!.disabled);
        MockInteractions.tap(
          queryAndAssert<GrButton>(element.openDialog, 'gr-button')
        );
        assert.isFalse(editDiffStub.called);
        assert.isFalse(navStub.called);
        await waitUntil(() => closeDialogSpy.called);
        assert.equal(element.path, '');
      });
    });
  });

  suite('delete button CUJ', () => {
    let eventStub: sinon.SinonStub;
    let deleteStub: sinon.SinonStub;
    let deleteAutocomplete: GrAutocomplete;

    setup(() => {
      eventStub = sinon.stub(element, 'dispatchEvent');
      deleteStub = stubRestApi('deleteFileInChangeEdit');
      const deleteDialog = element.deleteDialog;
      deleteAutocomplete = queryAndAssert<GrAutocomplete>(
        deleteDialog,
        'gr-autocomplete'
      );
    });

    test('delete', async () => {
      deleteStub.returns(Promise.resolve({ok: true}));
      MockInteractions.tap(queryAndAssert(element, '#delete'));
      await showDialogSpy.lastCall.returnValue;
      assert.isTrue(element.deleteDialog!.disabled);
      assert.isFalse(queryStub.called);
      // Setup focused manually - in headless mode Chrome sometimes don't
      // setup focus. flush and/or flushAsynchronousOperations don't help
      deleteAutocomplete.focused = true;
      deleteAutocomplete.noDebounce = true;
      deleteAutocomplete.text = 'src/test.cpp';
      await element.updateComplete;
      assert.isTrue(queryStub.called);
      await waitUntil(() => !element.deleteDialog!.disabled);
      MockInteractions.tap(
        queryAndAssert(element.deleteDialog, 'gr-button[primary]')
      );
      await element.updateComplete;

      assert.isTrue(deleteStub.called);
      await deleteStub.lastCall.returnValue;
      assert.equal(element.path, '');
      assert.equal(eventStub.firstCall.args[0].type, 'reload');
      assert.isTrue(closeDialogSpy.called);
    });

    test('delete fails', async () => {
      deleteStub.returns(Promise.resolve({ok: false}));
      MockInteractions.tap(queryAndAssert(element, '#delete'));
      await showDialogSpy.lastCall.returnValue;
      assert.isTrue(element.deleteDialog!.disabled);
      assert.isFalse(queryStub.called);
      // Setup focused manually - in headless mode Chrome sometimes don't
      // setup focus. flush and/or flushAsynchronousOperations don't help
      deleteAutocomplete.focused = true;
      deleteAutocomplete.noDebounce = true;
      deleteAutocomplete.text = 'src/test.cpp';
      await element.updateComplete;
      assert.isTrue(queryStub.called);
      await waitUntil(() => !element.deleteDialog!.disabled);
      MockInteractions.tap(
        queryAndAssert(element.deleteDialog, 'gr-button[primary]')
      );
      await element.updateComplete;

      assert.isTrue(deleteStub.called);

      await deleteStub.lastCall.returnValue;
      assert.isFalse(eventStub.called);
      assert.isFalse(closeDialogSpy.called);
    });

    test('cancel', () => {
      MockInteractions.tap(queryAndAssert(element, '#delete'));
      return showDialogSpy.lastCall.returnValue.then(async () => {
        assert.isTrue(element.deleteDialog!.disabled);
        queryAndAssert<GrAutocomplete>(
          element.deleteDialog,
          'gr-autocomplete'
        ).text = 'src/test.cpp';
        await element.updateComplete;
        await waitUntil(() => !element.deleteDialog!.disabled);
        MockInteractions.tap(queryAndAssert(element.deleteDialog, 'gr-button'));
        assert.isFalse(eventStub.called);
        assert.isTrue(closeDialogSpy.called);
        await waitUntil(() => element.path === '');
      });
    });
  });

  suite('rename button CUJ', () => {
    let eventStub: sinon.SinonStub;
    let renameStub: sinon.SinonStub;
    let renameAutocomplete: GrAutocomplete;

    setup(() => {
      eventStub = sinon.stub(element, 'dispatchEvent');
      renameStub = stubRestApi('renameFileInChangeEdit');
      const renameDialog = element.renameDialog;
      renameAutocomplete = queryAndAssert<GrAutocomplete>(
        renameDialog,
        'gr-autocomplete'
      );
    });

    test('rename', async () => {
      renameStub.returns(Promise.resolve({ok: true}));
      MockInteractions.tap(queryAndAssert(element, '#rename'));
      await showDialogSpy.lastCall.returnValue;
      assert.isTrue(element.renameDialog!.disabled);
      assert.isFalse(queryStub.called);
      // Setup focused manually - in headless mode Chrome sometimes don't
      // setup focus. flush and/or flushAsynchronousOperations don't help
      renameAutocomplete.focused = true;
      renameAutocomplete.noDebounce = true;
      renameAutocomplete.text = 'src/test.cpp';
      await element.updateComplete;
      assert.isTrue(queryStub.called);
      assert.isTrue(element.renameDialog!.disabled);

      element.newPathIronInput!.bindValue = 'src/test.newPath';
      await element.updateComplete;

      assert.isFalse(element.renameDialog!.disabled);
      MockInteractions.tap(
        queryAndAssert(element.renameDialog, 'gr-button[primary]')
      );
      await element.updateComplete;
      assert.isTrue(renameStub.called);

      await renameStub.lastCall.returnValue;
      assert.equal(element.path, '');
      assert.equal(eventStub.firstCall.args[0].type, 'reload');
      assert.isTrue(closeDialogSpy.called);
    });

    test('rename fails', async () => {
      renameStub.returns(Promise.resolve({ok: false}));
      MockInteractions.tap(queryAndAssert(element, '#rename'));
      await showDialogSpy.lastCall.returnValue;
      assert.isTrue(element.renameDialog!.disabled);
      assert.isFalse(queryStub.called);
      // Setup focused manually - in headless mode Chrome sometimes don't
      // setup focus. flush and/or flushAsynchronousOperations don't help
      renameAutocomplete.focused = true;
      renameAutocomplete.noDebounce = true;
      renameAutocomplete.text = 'src/test.cpp';
      await element.updateComplete;
      assert.isTrue(queryStub.called);
      assert.isTrue(element.renameDialog!.disabled);

      element.newPathIronInput!.bindValue = 'src/test.newPath';
      await element.updateComplete;

      assert.isFalse(element.renameDialog!.disabled);
      MockInteractions.tap(
        queryAndAssert(element.renameDialog, 'gr-button[primary]')
      );
      await element.updateComplete;

      assert.isTrue(renameStub.called);

      await renameStub.lastCall.returnValue;
      assert.isFalse(eventStub.called);
      assert.isFalse(closeDialogSpy.called);
    });

    test('cancel', () => {
      MockInteractions.tap(queryAndAssert(element, '#rename'));
      return showDialogSpy.lastCall.returnValue.then(async () => {
        assert.isTrue(element.renameDialog!.disabled);
        queryAndAssert<GrAutocomplete>(
          element.renameDialog,
          'gr-autocomplete'
        ).text = 'src/test.cpp';
        element.newPathIronInput!.bindValue = 'src/test.newPath';
        await element.updateComplete;
        assert.isFalse(element.renameDialog!.disabled);
        MockInteractions.tap(queryAndAssert(element.renameDialog, 'gr-button'));
        assert.isFalse(eventStub.called);
        assert.isTrue(closeDialogSpy.called);
        await waitUntil(() => element.path === '');
      });
    });
  });

  suite('restore button CUJ', () => {
    let eventStub: sinon.SinonStub;
    let restoreStub: sinon.SinonStub;

    setup(() => {
      eventStub = sinon.stub(element, 'dispatchEvent');
      restoreStub = stubRestApi('restoreFileInChangeEdit');
    });

    test('restore hidden by default', () => {
      assert.isTrue(
        queryAndAssert(element, '#restore').classList.contains('invisible')!
      );
    });

    test('restore', () => {
      restoreStub.returns(Promise.resolve({ok: true}));
      element.path = 'src/test.cpp';
      MockInteractions.tap(queryAndAssert(element, '#restore'));
      return showDialogSpy.lastCall.returnValue.then(async () => {
        MockInteractions.tap(
          queryAndAssert(element.restoreDialog, 'gr-button[primary]')
        );
        await element.updateComplete;

        assert.isTrue(restoreStub.called);
        assert.equal(restoreStub.lastCall.args[1], 'src/test.cpp');
        return restoreStub.lastCall.returnValue.then(() => {
          assert.equal(element.path, '');
          assert.equal(eventStub.firstCall.args[0].type, 'reload');
          assert.isTrue(closeDialogSpy.called);
        });
      });
    });

    test('restore fails', () => {
      restoreStub.returns(Promise.resolve({ok: false}));
      element.path = 'src/test.cpp';
      MockInteractions.tap(queryAndAssert(element, '#restore'));
      return showDialogSpy.lastCall.returnValue.then(async () => {
        MockInteractions.tap(
          queryAndAssert(element.restoreDialog, 'gr-button[primary]')
        );
        await element.updateComplete;

        assert.isTrue(restoreStub.called);
        assert.equal(restoreStub.lastCall.args[1], 'src/test.cpp');
        return restoreStub.lastCall.returnValue.then(() => {
          assert.isFalse(eventStub.called);
          assert.isFalse(closeDialogSpy.called);
        });
      });
    });

    test('cancel', () => {
      element.path = 'src/test.cpp';
      MockInteractions.tap(queryAndAssert(element, '#restore'));
      return showDialogSpy.lastCall.returnValue.then(() => {
        MockInteractions.tap(
          queryAndAssert(element.restoreDialog, 'gr-button')
        );
        assert.isFalse(eventStub.called);
        assert.isTrue(closeDialogSpy.called);
        assert.equal(element.path, '');
      });
    });
  });

  suite('save file upload', () => {
    let navStub: sinon.SinonStub;
    let fileStub: sinon.SinonStub;

    setup(() => {
      navStub = sinon.stub(GerritNav, 'navigateToChange');
      fileStub = stubRestApi('saveFileUploadChangeEdit');
    });

    test('handleUploadConfirm', () => {
      fileStub.returns(Promise.resolve({ok: true}));

      element.change = {
        ...createChange(),
        _number: 1 as NumericChangeId,
        project: 'project' as RepoName,
        revisions: {
          abcd: {
            ...createRevision(1),
            _number: 1 as PatchSetNum,
          },
          efgh: {
            ...createRevision(2),
            _number: 2 as PatchSetNum,
          },
        },
        current_revision: 'efgh' as CommitId,
      };

      element.handleUploadConfirm('test.php', 'base64').then(() => {
        assert.isTrue(navStub.calledWithExactly(1 as NumericChangeId));
      });
    });
  });

  test('openOpenDialog', async () => {
    await element.openOpenDialog('test/path.cpp');
    assert.isFalse(element.openDialog!.hasAttribute('hidden'));
    assert.equal(
      queryAndAssert<GrAutocomplete>(element.openDialog, 'gr-autocomplete')
        .text,
      'test/path.cpp'
    );
  });

  test('getDialogFromEvent', async () => {
    const spy = sinon.spy(element, 'getDialogFromEvent');
    element.addEventListener('tap', element.getDialogFromEvent);

    MockInteractions.tap(element.openDialog!);
    await element.updateComplete;
    assert.equal(spy.lastCall.returnValue!.id, 'openDialog');

    MockInteractions.tap(element.deleteDialog!);
    await element.updateComplete;
    assert.equal(spy.lastCall.returnValue!.id, 'deleteDialog');

    MockInteractions.tap(
      queryAndAssert<GrAutocomplete>(element.deleteDialog, 'gr-autocomplete')
    );
    await element.updateComplete;
    assert.equal(spy.lastCall.returnValue!.id, 'deleteDialog');

    MockInteractions.tap(element);
    await element.updateComplete;
    assert.notOk(spy.lastCall.returnValue);
  });
});