/**
 * @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 './rv-reviewers_html.js';

class RvReviewers extends Polymer.Element {
  /** @returns {string} name of the component */
  static get is() { return 'rv-reviewers'; }

  /** @returns {?} template for this component */
  static get template() { return htmlTemplate; }

  /**
   * Defines properties of the component
   *
   * @returns {?}
   */
  static get properties() {
    return {
      pluginRestApi: Object,
      repoName: String,
      _canModifyConfig: {
        type: Boolean,
        computed: '_computeCanModifyConfig(_isOwner, _hasModifyCapability)',
      },
      _loading: {
        type: Boolean,
        value: true,
      },
      _isOwner: {
        type: Boolean,
        value: false,
      },
      _hasModifyCapability: {
        type: Boolean,
        value: false,
      },
    };
  }

  connectedCallback() {
    super.connectedCallback();
    this.pluginRestApi = this.plugin.restApi();
    this._setCanModifyConfig();
  }

  _handleCommandTap() {
    this.$.rvScreenOverlay.open();
  }

  _handleRvEditScreenClose() {
    this.$.rvScreenOverlay.close();
  }

  _setCanModifyConfig() {
    const promises = [];
    promises.push(this._getRepoAccess(this.repoName).then( access => {
      if (access && access[this.repoName] && access[this.repoName].is_owner) {
        this._isOwner = true;
      }
    }));
    promises.push(this._getCapabilities().then(capabilities => {
      if (capabilities['reviewers-modifyReviewersConfig']) {
        this._hasModifyCapability = true;
      }
    }));
    Promise.all(promises).then(() => {
      this._loading = false;
    });
  }

  _computeCanModifyConfig(isOwner, hasModifyCapability) {
    return isOwner || hasModifyCapability;
  }

  _getRepoAccess(repoName) {
    return this.pluginRestApi.get(
        '/access/?project=' + encodeURIComponent(repoName));
  }

  _getCapabilities() {
    return this.pluginRestApi.get('/accounts/self/capabilities');
  }
}

customElements.define(RvReviewers.is, RvReviewers);