import { Injectable } from '@angular/core';
import { MatSnackBar } from '@angular/material';
import { Router } from '@angular/router';
import { Subject, Observable } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class MessageService {
  private subject = new Subject<any>();
  private keepAfterNavigationChange = false;

  constructor(private _snackBar: MatSnackBar, private router: Router) { }

  snackBar(msg: string) {
    this._snackBar.open(msg, "x", {
      duration: 3000,
      verticalPosition: "top",
    });
  }

  success(message: string, duration: number = 5, keepAfterNavigationChange = false) {
    this.keepAfterNavigationChange = keepAfterNavigationChange;
    this.subject.next({ type: 'success', text: message, duration: duration });
  }

  error(message: string, duration: number = 5, keepAfterNavigationChange = false) {
    this.keepAfterNavigationChange = keepAfterNavigationChange;
    this.subject.next({ type: 'error', text: message, duration: duration });
  }

  getMessage(): Observable<any> {
    return this.subject.asObservable();
  }

}