/**
 * @license
 * Copyright (C) 2018 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 '../../shared/gr-dialog/gr-dialog.js';
import '../../shared/gr-overlay/gr-overlay.js';
import '../../shared/gr-repo-branch-picker/gr-repo-branch-picker.js';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {htmlTemplate} from './gr-create-destination-dialog_html.js';

/**
 * Fired when a destination has been picked. Event details contain the repo
 * name and the branch name.
 *
 * @event confirm
 * @extends PolymerElement
 */
class GrCreateDestinationDialog extends GestureEventListeners(
    LegacyElementMixin(
        PolymerElement)) {
  static get template() { return htmlTemplate; }

  static get is() { return 'gr-create-destination-dialog'; }

  static get properties() {
    return {
      _repo: String,
      _branch: String,
      _repoAndBranchSelected: {
        type: Boolean,
        value: false,
        computed: '_computeRepoAndBranchSelected(_repo, _branch)',
      },
    };
  }

  open() {
    this._repo = '';
    this._branch = '';
    this.$.createOverlay.open();
  }

  _handleClose() {
    this.$.createOverlay.close();
  }

  _pickerConfirm(e) {
    this.$.createOverlay.close();
    const detail = {repo: this._repo, branch: this._branch};
    // e is a 'confirm' event from gr-dialog. We want to fire a more detailed
    // 'confirm' event here, so let's stop propagation of the bare event.
    e.preventDefault();
    e.stopPropagation();
    this.dispatchEvent(new CustomEvent('confirm', {detail, bubbles: false}));
  }

  _computeRepoAndBranchSelected(repo, branch) {
    return !!(repo && branch);
  }
}

customElements.define(GrCreateDestinationDialog.is,
    GrCreateDestinationDialog);