import { Injectable, inject } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import {
  Challenge,
  DeclineChallengeRequest,
  ListChallengesResponse,
  SendChallengeRequest,
} from '../models/challenge.models';

@Injectable({ providedIn: 'root' })
export class ChallengeService {
  private readonly http = inject(HttpClient);
  private readonly challengeBaseUrl = '/api/challenge';

  sendChallenge(username: string, request: SendChallengeRequest): Observable<Challenge> {
    return this.http.post<Challenge>(`${this.challengeBaseUrl}/${username}`, request);
  }

  listChallenges(): Observable<ListChallengesResponse> {
    return this.http.get<ListChallengesResponse>(`${this.challengeBaseUrl}`);
  }

  getChallenge(challengeId: string): Observable<Challenge> {
    return this.http.get<Challenge>(`${this.challengeBaseUrl}/${challengeId}`);
  }

  acceptChallenge(challengeId: string): Observable<Challenge> {
    return this.http.post<Challenge>(`${this.challengeBaseUrl}/${challengeId}/accept`, {});
  }

  declineChallenge(challengeId: string, request?: DeclineChallengeRequest): Observable<void> {
    return this.http.post<void>(`${this.challengeBaseUrl}/${challengeId}/decline`, request || {});
  }

  cancelChallenge(challengeId: string): Observable<void> {
    return this.http.post<void>(`${this.challengeBaseUrl}/${challengeId}/cancel`, {});
  }
}