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

import { HistoryEntry } from '../interfaces/history-entry';
import { getAppConfig } from './app-config.service';

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

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

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

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

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

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