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`,
            {}
        );
    }
}
