/**
 * @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-shell-command/gr-shell-command.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-commands-dialog_html.js';

const Commands = {
  CREATE: 'git commit',
  AMEND: 'git commit --amend',
  PUSH_PREFIX: 'git push origin HEAD:refs/for/',
};

/** @extends PolymerElement */
class GrCreateCommandsDialog extends GestureEventListeners(
    LegacyElementMixin(
        PolymerElement)) {
  static get template() { return htmlTemplate; }

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

  static get properties() {
    return {
      branch: String,
      _createNewCommitCommand: {
        type: String,
        readonly: true,
        value: Commands.CREATE,
      },
      _amendExistingCommitCommand: {
        type: String,
        readonly: true,
        value: Commands.AMEND,
      },
      _pushCommand: {
        type: String,
        computed: '_computePushCommand(branch)',
      },
    };
  }

  open() {
    this.$.commandsOverlay.open();
  }

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

  _computePushCommand(branch) {
    return Commands.PUSH_PREFIX + branch;
  }
}

customElements.define(GrCreateCommandsDialog.is, GrCreateCommandsDialog);