/*
 * 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 { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import {
  AdapterDescription,
  AdapterDescriptionUnion,
  DataProcessorInvocation,
  DataSinkInvocation,
  PipelineElementTemplate
} from '../model/gen/streampipes-model';
import { PlatformServicesCommons } from './commons.service';
import { map } from 'rxjs/operators';

@Injectable({
  providedIn: 'root'
})
export class PipelineElementTemplateService {

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

  }

  getPipelineElementTemplates(appId: string): Observable<PipelineElementTemplate[]> {
    return this.http
        .get(this.platformServicesCommons.apiBasePath
            + '/pipeline-element-templates?appId=' + appId)
        .pipe(map(data => {
          return (data as []).map(dpi => PipelineElementTemplate.fromData(dpi));
        }));
  }

  deletePipelineElementTemplate(templateId: string): Observable<any> {
    return this.http.delete(`${this.platformServicesCommons.apiBasePath}/pipeline-element-templates/${templateId}`);
  }

  getConfiguredDataProcessorForTemplate(templateId: string, invocation: DataProcessorInvocation): Observable<DataProcessorInvocation> {
    return this.http.post(this.platformServicesCommons.apiBasePath
        + '/pipeline-element-templates/' + templateId + '/processor', invocation)
        .pipe(map(response => {
          return DataProcessorInvocation.fromData(response as DataProcessorInvocation);
        }));
  }

  getConfiguredDataSinkForTemplate(templateId: string, invocation: DataSinkInvocation): Observable<DataSinkInvocation> {
    return this.http.post(this.platformServicesCommons.apiBasePath
        + '/pipeline-element-templates/' + templateId + '/sink', invocation)
        .pipe(map(response => {
          return DataSinkInvocation.fromData(response as DataSinkInvocation);
        }));
  }

  getConfiguredAdapterForTemplate(templateId: string,
                                  adapter: AdapterDescriptionUnion): Observable<any> {
    return this.http.post(this.platformServicesCommons.apiBasePath
      + '/pipeline-element-templates/' + templateId + '/adapter', adapter);
  }

  storePipelineElementTemplate(template: PipelineElementTemplate) {
    return this.http.post(this.platformServicesCommons.apiBasePath + '/pipeline-element-templates', template);
  }


}
