import { Injectable } from "@angular/core";

@Injectable({
  providedIn: "root",
})
export class SessionStorageService {
  setItem<T>(key: string, value: T) {
    try {
      const item = JSON.stringify(value);
      sessionStorage.setItem(key, item);
    } catch (e) {
      console.error("Could not set item", e);
    }
  }

  getItem<T>(key: string): T | null {
    try {
      const item = sessionStorage.getItem(key);
      return item ? (JSON.parse(item) as T) : null;
    } catch (e) {
      console.error("Could not get item", e);
      return null;
    }
  }

  /**
   * @throws Error if key is not found.
   * @param key
   */
  removeItem(key: string): void {
    sessionStorage.removeItem(key);
  }

  clear(): void {
    sessionStorage.clear();
  }
}