import { Injectable } from '@angular/core';
import { Effect, Actions, ofType } from '@ngrx/effects';
import { of } from 'rxjs';
import { catchError, exhaustMap, map, tap } from 'rxjs/operators';

import { MetaProbePackage, MetaProbeOs } from '@overflow/commons-typescript/model/meta';

import { MetaProbePackageService } from '../../../service/meta-probe-package.service';

import {
  ReadAllByOs,
  ReadAllByOsSuccess,
  ReadAllByOsFailure,
  ActionType,
} from './meta-probe-package.action';

@Injectable()
export class Effects {

  constructor(
    private actions$: Actions,
    private metaProbePackageService: MetaProbePackageService,
  ) { }

  @Effect()
  readAllByOs$ = this.actions$.pipe(
    ofType(ActionType.ReadAllByOs),
    map((action: ReadAllByOs) => action.payload),
    exhaustMap((metaProbeOs: MetaProbeOs) =>
      this.metaProbePackageService
        .readAllByOs(metaProbeOs)
        .pipe(
          map((result: MetaProbePackage[]) => {
            return new ReadAllByOsSuccess(result);
          }),
          catchError(error => of(new ReadAllByOsFailure(error)))
        )
    )
  );
}