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

import { ErrorLoggerService } from '../core/error-logger.service';
import { Product } from '../core/product';

const httpOptions = {
  headers: new HttpHeaders({ 'Content-Type': 'application/json' }),
};

const url = '/api/temporal-products';
const serviceName = 'ProductService';

@Injectable({ providedIn: 'root' })
export class TemporalProductService {
  private http = inject(HttpClient);
  private log = inject(ErrorLoggerService);

  get(id: string): Observable<Product> {
    return this.http
      .get<Product>(`${url}/${id}`)
      .pipe(catchError(this.log.handleError(serviceName, `get id=${id}`))) as Observable<Product>;
  }

  list(): Observable<Product[][]> {
    return this.http
      .get<Product[][]>(`${url}/list`)
      .pipe(catchError(this.log.handleError(serviceName, 'list'))) as Observable<Product[][]>;
  }

  update(product: Product): Observable<void> {
    return this.http
      .put<Product>(`${url}/${product.versionId}`, product, httpOptions)
      .pipe(catchError(this.log.handleError(serviceName, 'update'))) as Observable<void>;
  }

  delete(id: string): Observable<void> {
    return this.http
      .delete<Product>(`${url}/${id}`, httpOptions)
      .pipe(catchError(this.log.handleError(serviceName, 'delete'))) as Observable<void>;
  }
}