import './overlay.scss';
export interface InvoiceOverlayConfig {
    /**
     * Close Confirmo overlay after invoice status changes to ConfirmoOverlayInvoiceStatus.PAID
     */
    closeAfterPaid?: boolean;
    /**
     * Specify delay after which the overlay should be automatically closed when payment complete (requires closeAfterPaid to be set to true)
     * @default 2000
     */
    closeAfterPaidTimeoutMs?: number;
}
declare enum ConfirmoOverlayInvoiceStatus {
    PREPARED = "prepared",
    ACTIVE = "active",
    CONFIRMING = "confirming",
    PAID = "paid",
    EXPIRED = "expired",
    ERROR = "error"
}
/**
 * Events fired from Public invoice view via window#postMessage API https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage
 *
 * A component using @confirmo/overlay can listen to InvoiceOverlayMessageEventData accordingly:
 *   const overlay = Invoice.open(invoiceUrl);
 *   window.addEventListener('message', (event) => {
 *     if (
 *       invoiceUrl.includes(event.origin) &&
 *       event.data.action === ConfirmoOverlayMessageAction.CONFIRMO_OVERLAY_INVOICE_STATUS_CHANGE &&
 *       event.data.status === ConfirmoOverlayInvoiceStatus.PAID
 *     ) {
 *       // handle paid invoice (close overlay, redirect, etc.)
 *       overlay.close();
 *     }
 *   });
 */
export declare enum ConfirmoOverlayMessageAction {
    /**
     * Event fired on "Back to Merchant" btn click
     */
    CLOSE_CONFIRMO_OVERLAY = "CLOSE_CONFIRMO_OVERLAY",
    /**
     * Event fired on invoice status change
     */
    CONFIRMO_OVERLAY_INVOICE_STATUS_CHANGE = "CONFIRMO_OVERLAY_INVOICE_STATUS_CHANGE"
}
export interface InvoiceOverlayMessageEventData {
    action: ConfirmoOverlayMessageAction;
    status?: ConfirmoOverlayInvoiceStatus;
    returnUrl?: string;
}
export declare class Invoice {
    private callback;
    private bodyOverflow;
    private confirmoMainFrame;
    /**
     *
     * @param {String} invoiceUrl
     * @param {Function} callback
     * @param {InvoiceOverlayConfig} overlayConfig
     */
    private constructor();
    /**
     * Opens Confirmo overlay
     *
     * @param {string} invoiceUrl - Url of invoice
     * @param {function} [callback] - Callback to call after closing Confirmo overlay
     * @param {InvoiceOverlayConfig} [overlayConfig] - Confirmo overlay configuration
     *
     * @example
     *
     * // URL of invoice created from REST API
     * const invoice_url = 'https://confirmo.demo/#/public/invoice/invv9e1rxdz8';
     *
     * // Callback which is called when overlay was closed
     * const callback_fnc = () => alert('Overlay has been closed');
     *
     * // Invoice overlay config
     * const overlayConfig = {
     *   closeAfterPaid: true,
     *   closeAfterPaidTimeoutMs: 2000,
     * };
     *
     * Invoice.open(invoice_url, callback_fnc, overlayConfig);
     */
    static open(invoiceUrl: string, callback?: Function, overlayConfig?: InvoiceOverlayConfig): Invoice;
    /**
     * Closes Confirmo overlay
     */
    close(): void;
}
export {};