import { Injectable } from '@angular/core';
import {AngularFireDatabase} from '@angular/fire/compat/database';
import {Session} from '../edit/session';
import {SpeechTimeService} from './speech-time.service';

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

  constructor(private database: AngularFireDatabase,
              private speechTimes: SpeechTimeService) { }

  public addSession(sessionNumber: string, date: string, body: string | undefined): void {
    if (body == null) {
      console.error("body should not be undefined");
      return;
    }
    const sessionRef = this.database.list<Session>('sessions');
    sessionRef.push({
      number: +sessionNumber,
      date: date,
      body: body
    });
  }

  public deleteSession(sessionKey: string | null): void {
    const sessionRef = this.database.list<Session>('sessions');
    if (sessionKey != null) {
      sessionRef.remove(sessionKey);
      this.speechTimes.deleteSpeechTimes(sessionKey);
    }
  }
}