/**
 * @license
 * Copyright (C) 2019 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 {htmlTemplate} from './gr-serviceuser-ssh-panel_html.js';

class GrServiceUserSshPanel extends Polymer.GestureEventListeners(
    Polymer.Element) {
  /** @returns {?} template for this component */
  static get template() { return htmlTemplate; }

  /** @returns {string} name of the component */
  static get is() { return 'gr-serviceuser-ssh-panel'; }

  /**
   * Defines properties of the component
   *
   * @returns {?}
   */
  static get properties() {
    return {
      _restApi: Object,
      _serviceUser: Object,
      _keys: Array,
      /** @type {?} */
      _keyToView: Object,
      _newKey: {
        type: String,
        value: '',
      },
      _keysToRemove: {
        type: Array,
        value() { return []; },
      },
    };
  }

  loadData(restApi, serviceUser) {
    this._restApi = restApi;
    this._serviceUser = serviceUser;
    return this._restApi.get(`${this._serviceUser._account_id}/sshkeys`)
        .then(keys => {
          if (!keys) {
            this._keys = [];
            return;
          }
          this._keys = keys;
        });
  }

  _getStatusLabel(isValid) {
    return isValid ? 'Valid' : 'Invalid';
  }

  _showKey(e) {
    const el = Polymer.dom(e).localTarget;
    const index = parseInt(el.getAttribute('data-index'), 10);
    this._keyToView = this._keys[index];
    this.$.viewKeyOverlay.open();
  }

  _closeOverlay() {
    this.$.viewKeyOverlay.close();
  }

  _handleDeleteKey(e) {
    const el = Polymer.dom(e).localTarget;
    const index = parseInt(el.getAttribute('data-index'), 10);
    this.push('_keysToRemove', this._keys[index]);

    const promises = this._keysToRemove.map(key => {
      this._restApi.delete(
          `${this._serviceUser._account_id}/sshkeys/${key.seq}`);
    });

    return Promise.all(promises).then(() => {
      this.splice('_keys', index, 1);
      this._keysToRemove = [];
    });
  }

  _handleAddKey() {
    this.$.addButton.disabled = true;
    this.$.newKey.disabled = true;
    return this._restApi.post(`${this._serviceUser._account_id}/sshkeys`,
        this._newKey.trim(), null, 'plain/text')
        .then(key => {
          this.push('_keys', key);
        }).catch(() => {
          this.$.addButton.disabled = false;
          this.$.newKey.disabled = false;
        });
  }

  _computeAddButtonDisabled(newKey) {
    return !newKey.length;
  }
}

customElements.define(GrServiceUserSshPanel.is, GrServiceUserSshPanel);