import { inject, Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { Bet, CreateBetRequest, UpdateBetRequest } from '../../models/bet.model';
import { SuccessResponse } from '../../models/api-responses.model';
import { map } from 'rxjs/operators';
import { toDate } from '../../utils/type-guards';

function mapBet(bet: any): Bet {
    return {
        ...bet,
        startDate: toDate(bet.startDate)!,
        endDate: toDate(bet.endDate)
    };
}

@Injectable({
    providedIn: 'root'
})
export class BetApiService {
    private http = inject(HttpClient);
    private readonly apiUrl = 'http://localhost:3000/api/v1/bets';

    getUserBets(): Observable<Bet[]> {
        return this.http.get<SuccessResponse<Bet[]>>(`${this.apiUrl}/user`).pipe(
            map(res => res.data.map(mapBet))
        );
    }

    getPublicBets(): Observable<Bet[]> {
        return this.http.get<SuccessResponse<Bet[]>>(`${this.apiUrl}/public`).pipe(
            map(res => res.data.map(mapBet))
        );
    }

    getBets(): Observable<Bet[]> {
        return this.http.get<SuccessResponse<Bet[]>>(this.apiUrl).pipe(
            map(res => res.data.map(mapBet))
        );
    }

    getBet(id: string): Observable<Bet> {
        return this.http.get<SuccessResponse<Bet>>(`${this.apiUrl}/${id}`).pipe(
            map(res => mapBet(res.data))
        );
    }

    createBet(bet: CreateBetRequest): Observable<Bet> {
        return this.http.post<SuccessResponse<Bet>>(this.apiUrl, bet).pipe(
            map(res => mapBet(res.data))
        );
    }

    updateBet(id: string, bet: UpdateBetRequest): Observable<Bet> {
        return this.http.put<SuccessResponse<Bet>>(`${this.apiUrl}/${id}`, bet).pipe(
            map(res => mapBet(res.data))
        );
    }

    deleteBet(id: string): Observable<void> {
        return this.http.delete<SuccessResponse<null>>(`${this.apiUrl}/${id}`).pipe(
            map(() => undefined)
        );
    }
}