import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Statistics } from './statistics';
import { Observable } from 'rxjs';
import { Aggregate } from './aggregate';

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

  constructor(private http: HttpClient) { 
  }

  getStatistics(): Observable<Statistics> {
    return this.http.get<Statistics>('https://vz.home.peper.info/rest-vz/stats?houseId=1&duration=P7D');
  }

  getLatestData(houseId: Number, duration: Number): Observable<Aggregate[]> {
    return this.http.get<Aggregate[]>('https://vz.home.peper.info/rest-vz/latest-data', {
      params: {
        houseId: houseId + '',
        timeWindow: duration + '',
      }
    });
  }

  getStatsFromTimeframe(houseId: number, start: Date, end: Date) : Observable<Statistics> {
    return this.http.get<Statistics>('https://vz.home.peper.info/rest-vz/stats', {
      params: {
        houseId: houseId + '',
        timestampStart: start.getTime() + '',
        timestampEnd: end.getTime() + '',
      }
    });
  }

  getStatisticsWithDuration(duration: string | undefined, houseId: Number): Observable<Statistics> {
    if (duration) {
      return this.http.get<Statistics>('https://vz.home.peper.info/rest-vz/stats', {
        params: {
          houseId: houseId + '',
          duration: duration,
        }
      });
    } else {
      return this.http.get<Statistics>('https://vz.home.peper.info/rest-vz/stats', {
        params: {
          houseId: houseId + '',
        }
      });
    }
  }

}