import { Observable } from 'rxjs';
import { AuthSession, AuthStatus, WebSessionStart } from './models/session.model';
/** Customer-facing Telegram QR/session auth. Distinct storage/state from AdminAuthService by design. */
export declare class AuthService {
    private readonly api;
    private sessionSignal;
    private statusSignal;
    private showLoginSignal;
    /** Current auth session */
    readonly session: import("@angular/core").Signal<AuthSession | null>;
    /** Current auth status */
    readonly status: import("@angular/core").Signal<AuthStatus>;
    /** Whether user is fully authenticated */
    readonly isAuthenticated: import("@angular/core").Signal<boolean>;
    /** Whether to show login dialog */
    readonly showLoginDialog: import("@angular/core").Signal<boolean>;
    /** Display name of authenticated user */
    readonly displayName: import("@angular/core").Signal<string | null>;
    private sessionCheckTimer?;
    constructor();
    /** Check the current webSessionID cookie against the auth backend. */
    checkSession(): void;
    /** Check session without updating internal state beyond activating on success (used for polling). */
    checkSessionOnce(webSessionID?: string | null): Observable<AuthSession | null>;
    /**
     * Called after user completes Telegram login.
     */
    onTelegramLoginComplete(): void;
    /** Generate the Telegram login URL for bot-based auth */
    getTelegramLoginUrl(webSessionID: string): string;
    /** Generate a Telegram app deep link for mobile login without opening a browser tab. */
    getTelegramAppLoginUrl(webSessionID: string): string;
    /** Create a backend web session and return the Telegram start link for it. */
    createWebSession(): Observable<WebSessionStart>;
    /** Show login dialog (called when user tries to pay without being logged in) */
    requestLogin(): void;
    /** Hide login dialog */
    hideLogin(): void;
    /** Logout — clears session on backend and locally */
    logout(): void;
    private activateSession;
    private clearAuthState;
    /** Schedule a session re-check before it expires */
    private scheduleSessionRefresh;
    private clearSessionRefresh;
    private getStoredWebSessionID;
    private setStoredWebSessionID;
    private clearStoredWebSessionID;
}