import { Injectable, inject } from '@angular/core';
import { HttpClient, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';

import { Event } from '../interfaces/event';
import { getAppConfig } from './app-config.service';

@Injectable({
  providedIn: 'root',
})
export class EventService {
  private http = inject(HttpClient);
  private baseUrl = `${getAppConfig().apiBaseUrl}/api/events`;

  /** Fetch events, optionally filtered by active status. */
  getEvents(active?: boolean): Observable<Event[]> {
    let params = new HttpParams();
    if (active !== undefined) params = params.set('active', String(active));
    return this.http.get<Event[]>(this.baseUrl, { params });
  }

  getEvent(id: number): Observable<Event> {
    return this.http.get<Event>(`${this.baseUrl}/${id}`);
  }

  createEvent(payload: Omit<Event, 'id'>): Observable<Event> {
    return this.http.post<Event>(this.baseUrl, payload);
  }

  updateEvent(id: number, payload: Partial<Event>): Observable<Event> {
    return this.http.put<Event>(`${this.baseUrl}/${id}`, payload);
  }

  deleteEvent(id: number): Observable<void> {
    return this.http.delete<void>(`${this.baseUrl}/${id}`);
  }
}