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

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

	constructor() {
	}

	/**
	 * The signed-in user's name, cached so a freshly added draft row can show an
	 * author before it has been saved. Purely cosmetic: the server records the
	 * author from the session, never from anything the client sends.
	 *
	 * The session itself is an httpOnly cookie and is deliberately not here -
	 * this app used to keep a sessionId/sessionKey pair in localStorage and
	 * append it to every URL, which is what the auth cutover removed.
	 */
	static saveNameToLocalStorage(name: string): void {
		localStorage.setItem('name', name);
	}

	static getNameFromLocalStorage(): string {
		return localStorage.getItem('name') ?? '';
	}

	static clearName(): void {
		localStorage.removeItem('name');
	}
}