import { isPlatformBrowser } from '@angular/common';
import { Inject, Injectable, PLATFORM_ID } from '@angular/core';

@Injectable({
  providedIn: 'root'
})
export class StorageService {

  private isBrowser: boolean = false;

  constructor(@Inject(PLATFORM_ID) platformId: object) {
    this.isBrowser = isPlatformBrowser(platformId);
  }

  getItem(key: string): string | null {
    if (this.isBrowser) {
      return localStorage.getItem(key);
    }
    return null;
  }

  setItem(key: string, value: string) {
    if (this.isBrowser) {
      localStorage.setItem(key, value);
    }
  }

  clear() {
    if (this.isBrowser) {
      localStorage.clear();
    }
  }
}