import {EventEmitter, Injectable} from '@angular/core';
import {ScreenTypeOx, PartCorrectness, UserAnswer} from 'ox-types';
import {SoundOxService} from './sound-ox.service';
import {GameActionsService} from './game-actions.service';
import {withLatestFrom} from 'rxjs/operators';
import {AppInfoOxService} from './app-info-ox.service';

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

  public surrenderEnd = new EventEmitter<void>();
  public feedbackAnimation = new EventEmitter<{ correctness: PartCorrectness, answer: UserAnswer }>();
  public endFeedback = new EventEmitter<void>();
// TODO this is just a placerholder for previous versions.
  // Games should inherit from this service and choose what to do.
  // This is needed cause you may want to play a different sound after X time
  public playFeedBackSounds = true;

  constructor(private soundService: SoundOxService,
              private appInfo: AppInfoOxService,
              private gameActions: GameActionsService<any>) {
    this.gameActions.checkedAnswer.subscribe(isCorrect => {
      // if (this.playFeedBackSounds) {
      //   if (isCorrect) {
      //     this.soundService.playRightSound(ScreenTypeOx.Game);
      //   } else {
      //     this.soundService.playWrongSound(ScreenTypeOx.Game);
      //   }
      // }
      this.feedbackAnimation.emit(isCorrect);
    });
    this.endFeedback.pipe(withLatestFrom(this.gameActions.checkedAnswer)).subscribe((params: any) => {
      if (this.playFeedBackSounds) {
        const correctness = (params[1] as { correctness: PartCorrectness, answer: UserAnswer }).correctness;
        if (correctness === 'correct' || (correctness === 'unknown')
          && ['results-without-correction', 'use'].includes(this.appInfo.microLessonInfo.creatorInfo?.metricsType)) {
          this.soundService.playRightSound(ScreenTypeOx.Game);
        } else if (params[1].correctness === 'wrong') {
          this.soundService.playWrongSound(ScreenTypeOx.Game);
        }
      }
    });
  }

}