/*
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements.  See the NOTICE file distributed with
 *   this work for additional information regarding copyright ownership.
 *   The ASF licenses this file to You 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 { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import {
    ExistingNotification,
    NotificationItem
} from '../model/notifications.model';
import { Injectable } from '@angular/core';
import { NotificationUtils } from '../utils/notifications.utils';
import { map } from 'rxjs/operators';
import { PlatformServicesCommons } from '@streampipes/platform-services';

@Injectable()
export class NotificationsService {

    constructor(private http: HttpClient,
                private platformServicesCommons: PlatformServicesCommons) {
    }

    getNotificationsFromTime(startTime: number): Observable<NotificationItem[]> {
        return this.http
          .get(this.notificationUrl
            + '/time'
            + '?'
            + 'startTime=' + startTime)
          .pipe(map(data => {
              return data as NotificationItem[];
          }));
    }

    getNotifications(existingNotification: ExistingNotification, offset: number, limit: number): Observable<NotificationItem[]> {
        return this.http
            .get(this.notificationUrl
                + '/offset'
                + '?'
                + 'notificationType=' + NotificationUtils.makeNotificationIdFromNotification(existingNotification)
                + '&'
                + 'offset=' + offset
                + '&'
                + 'count=' + limit)
            .pipe(map(data => {
                return data as NotificationItem[];
            }));
    }

    updateNotification(notificationItem: NotificationItem): Observable<any> {
        return this.http.put(this.notificationUrl + '/' + notificationItem._id, notificationItem, {
            headers: { ignoreLoadingBar: '' }
        });
    }

    private get notificationUrl() {
        return this.platformServicesCommons.apiBasePath + '/notifications';
    }
}
