import { Injectable } from '@angular/core';
import { HttpClient, HttpResponse } from '@angular/common/http';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
import * as moment from 'moment';

import { environment } from '@env/environment';


type EntityResponseType = HttpResponse<any>;

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

  constructor(protected http: HttpClient) {}

  find(id: string): Observable<EntityResponseType> {
    return this.http
      .get<any>(`${environment.apiUrl}/api/contracts/${id}`, { observe: 'response' })
      .pipe(map((res: EntityResponseType) => this.convertDateFromServer(res)));
  }

  saveContractHistory(contractId: string, stepId: string): Observable<EntityResponseType> {
    return this.http
      .post<any>(`${environment.apiUrl}/api/contract-histories/save/${contractId}/${stepId}`, { observe: 'response' })
      .pipe(map((res: EntityResponseType) => this.convertDateFromServer(res)));
  }

  protected convertDateFromServer(res: EntityResponseType): EntityResponseType {
    if (res.body) {
      res.body.signatureDate = res.body.signatureDate ? moment(res.body.signatureDate) : undefined;
      res.body.effectiveDate = res.body.effectiveDate ? moment(res.body.effectiveDate) : undefined;
      res.body.currentStepSince = res.body.currentStepSince ? moment(res.body.currentStepSince) : undefined;
    }
    return res;
  }

}