/*
 * 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 { Injectable } from '@angular/core';
import { map } from 'rxjs/operators';
import { Observable } from 'rxjs';
import { DashboardConfiguration } from '../model/dashboard-configuration.model';
import { PlatformServicesCommons } from '@streampipes/platform-services';

@Injectable()
export class RestService {

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

  getVisualizablePipelines(): Observable<any> {
    return this.http.get('/visualizablepipeline/_all_docs?include_docs=true');
  }

  getPipeline(pipelineId): Observable<any> {
    return this.http.get('/pipeline/' + pipelineId);
  }

  storeImage(file: File): Observable<any> {
    const data: FormData = new FormData();
    data.append('file_upload', file, file.name);
    return this.http.post(this.imagePath, data)
        .pipe(map(res => {
          return res;
        }));
  }

  deleteDashboard(dashboardId: string) {
    return this.http.delete(`${this.url}/${dashboardId}`);
  }

  storeDashboard(dashboardConfig: DashboardConfiguration) {
    return this.http.post(this.url, dashboardConfig);
  }

  updateDashboard(dashboardConfig: DashboardConfiguration) {
    return this.http.put(this.url + '/' + dashboardConfig.dashboardId, dashboardConfig);
  }

  getDashboards(): Observable<DashboardConfiguration[]> {
    return this.http.get(this.url).pipe(map(response => {
      return response as DashboardConfiguration[];
    }));
  }

  getImageUrl(imageName: string): string {
    return `${this.imagePath}/${imageName}`;
  }

  private get url() {
    return `${this.platformServicesCommons.apiBasePath}/asset-dashboards`;
  }

  private get imagePath() {
    return `${this.url}/images`;
  }

}
