/**
 * Core authentication types for the nostr-biometric-login-service
 */
export interface AuthenticationOptions {
    /** List of Nostr relay URLs to connect to */
    relays: string[];
    /** Duration in seconds for magic link validity */
    magicLinkExpiry: number;
    /** Duration in seconds for session validity */
    sessionDuration: number;
    /** Optional configuration for WebAuthn */
    webAuthn?: WebAuthnOptions;
}
export interface WebAuthnOptions {
    /** Relying Party ID (usually your domain) */
    rpId: string;
    /** Relying Party name (displayed to user) */
    rpName: string;
    /** Expected origin for WebAuthn verification (e.g., 'https://example.com') */
    origin: string | string[];
    /** User verification requirement */
    userVerification?: UserVerificationRequirement;
    /** Timeout in milliseconds */
    timeout?: number;
}
/**
 * Stored credential data from a successful WebAuthn registration.
 * Contains the public key and counter needed for authentication verification.
 */
export interface StoredCredential {
    /** Base64url-encoded credential ID */
    credentialID: string;
    /** Base64url-encoded credential public key */
    credentialPublicKey: string;
    /** Sign counter for clone detection */
    counter: number;
    /** The credential backing type (e.g., 'singleDevice' or 'multiDevice') */
    credentialBackedUp: boolean;
    /** The credential device type */
    credentialDeviceType: string;
    /** Transports supported by this credential */
    transports?: AuthenticatorTransport[];
}
export interface AuthenticationState {
    /** Current step in the authentication process */
    step: AuthenticationStep;
    /** Any error that occurred during authentication */
    error?: string;
    /** Session token if authentication is complete */
    sessionToken?: string;
    /** Timestamp when the session expires */
    sessionExpiry?: number;
}
export declare enum AuthenticationStep {
    /** Initial state */
    IDLE = "IDLE",
    /** Sending magic link */
    SENDING_MAGIC_LINK = "SENDING_MAGIC_LINK",
    /** Waiting for magic link click */
    WAITING_FOR_MAGIC_LINK = "WAITING_FOR_MAGIC_LINK",
    /** Magic link verified, starting WebAuthn */
    STARTING_WEBAUTHN = "STARTING_WEBAUTHN",
    /** WebAuthn in progress */
    WEBAUTHN_IN_PROGRESS = "WEBAUTHN_IN_PROGRESS",
    /** Authentication complete */
    COMPLETE = "COMPLETE",
    /** Authentication failed */
    FAILED = "FAILED"
}
export type UserVerificationRequirement = 'required' | 'preferred' | 'discouraged';
export interface MagicLinkPayload {
    /** Timestamp when the magic link was created */
    createdAt: number;
    /** Timestamp when the magic link expires */
    expiresAt: number;
    /** Random token for verification */
    token: string;
    /** Public key of the user */
    pubkey: string;
}
export interface SessionToken {
    /** The actual session token */
    token: string;
    /** Timestamp when the session was created */
    createdAt: number;
    /** Timestamp when the session expires */
    expiresAt: number;
    /** Public key of the authenticated user */
    pubkey: string;
}