/**
 * @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 '../../../styles/shared-styles.js';
import '../../plugins/gr-endpoint-decorator/gr-endpoint-decorator.js';
import '../../plugins/gr-endpoint-param/gr-endpoint-param.js';
import '../../shared/gr-avatar/gr-avatar.js';
import '../../shared/gr-date-formatter/gr-date-formatter.js';
import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
import '../../../styles/dashboard-header-styles.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-user-header_html.js';
import {GerritNav} from '../../core/gr-navigation/gr-navigation.js';

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

  static get is() { return 'gr-user-header'; }

  static get properties() {
    return {
    /** @type {?string} */
      userId: {
        type: String,
        observer: '_accountChanged',
      },

      showDashboardLink: {
        type: Boolean,
        value: false,
      },

      loggedIn: {
        type: Boolean,
        value: false,
      },

      /**
       * @type {?{name: ?, email: ?, registered_on: ?}}
       */
      _accountDetails: {
        type: Object,
        value: null,
      },

      /** @type {?string} */
      _status: {
        type: String,
        value: null,
      },
    };
  }

  _accountChanged(userId) {
    if (!userId) {
      this._accountDetails = null;
      this._status = null;
      return;
    }

    this.$.restAPI.getAccountDetails(userId).then(details => {
      this._accountDetails = details;
    });
    this.$.restAPI.getAccountStatus(userId).then(status => {
      this._status = status;
    });
  }

  _computeDisplayClass(status) {
    return status ? ' ' : 'hide';
  }

  _computeDetail(accountDetails, name) {
    return accountDetails ? accountDetails[name] : '';
  }

  _computeStatusClass(accountDetails) {
    return this._computeDetail(accountDetails, 'status') ? '' : 'hide';
  }

  _computeDashboardUrl(accountDetails) {
    if (!accountDetails) { return null; }
    const id = accountDetails._account_id;
    const email = accountDetails.email;
    if (!id && !email ) { return null; }
    return GerritNav.getUrlForUserDashboard(id ? id : email);
  }

  _computeDashboardLinkClass(showDashboardLink, loggedIn) {
    return showDashboardLink && loggedIn ?
      'dashboardLink' : 'dashboardLink hide';
  }
}

customElements.define(GrUserHeader.is, GrUserHeader);