import { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Observable, of } from 'rxjs';
import { catchError, map, tap } from 'rxjs/operators';
import { Result } from './result';

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

  //headers: new HttpHeaders({ 'Content-Type': 'application/json' })


  constructor(private http: HttpClient) { }

  predict(type:string, criteria:string): Observable<any>{

	let m = {
    "min_score": 0.1,
    "query": {
      "match": {
        "value": "xsxsx"
      }
    },
    "highlight" : {
      "pre_tags" : ["<mark>"],
      "post_tags" : ["</mark>"],
      "fields" : {
        "value" : {}
      }
    }
  };
	m.query.match.value = criteria;

	//return this.http.post<any>(this.url,m,this.httpOptions).pipe(
  //    catchError(this.handleError('predict', new Result()))
  //  );

//  }

private handleError<T> (operation = 'operation', result?: T) {
  return (error: any): Observable<T> => {

    console.error(error);

    return of(result as T);
  };
}

};