type WhopCheckoutState = "loading" | "ready" | "disabled";
type WhopCheckoutMessage = {
    event: "resize";
    height: number;
} | {
    event: "center";
} | {
    event: "complete";
    receipt_id?: string;
    plan_id: string;
} | {
    event: "state";
    state: WhopCheckoutState;
} | {
    event: "get-email-result";
    email: string;
    event_id: string;
} | {
    event: "set-email-result";
    ok: true;
    error?: never;
    event_id: string;
} | {
    event: "set-email-result";
    ok: false;
    error: string;
    event_id: string;
};
declare function isWhopCheckoutMessage(event: MessageEvent<unknown>): event is MessageEvent<WhopCheckoutMessage>;

declare global {
	interface Window {
		wco?: {
			injected: true;
			listening: boolean;
			frames: Map<HTMLIFrameElement, () => void>;
			identifiedFrames: Map<string, HTMLIFrameElement>;
			submit: (
				identifier: string,
				data?: {
					email?: string;
				},
			) => void;
			getEmail: (identifier: string, timeout?: number) => Promise<string>;
			setEmail: (
				identifier: string,
				email: string,
				timeout?: number,
			) => Promise<void>;
		};
	}

	interface HTMLElementEventMap {
		"checkout:submit": CustomEvent<WhopCheckoutSubmitDetails>;
	}
}

type WhopCheckoutSubmitDetails = Record<never, never>;

declare function onWhopCheckoutMessage(iframe: HTMLIFrameElement, callback: (message: WhopCheckoutMessage) => void): () => void;
declare function setEmail(frame: HTMLIFrameElement, email: string, timeout?: number): Promise<void>;
declare function getEmail(frame: HTMLIFrameElement, timeout?: number): Promise<string>;
declare function submitCheckoutFrame(frame: HTMLIFrameElement, _data?: WhopCheckoutSubmitDetails): void;

interface WhopEmbeddedCheckoutStyleOptions {
    container?: {
        paddingTop?: number | string;
        paddingBottom?: number | string;
        paddingY?: number | string;
    };
}
interface WhopEmbeddedCheckoutPrefillOptions {
    email?: string;
}
interface WhopEmbeddedCheckoutThemeOptions {
    accentColor?: string;
}
declare function getEmbeddedCheckoutIframeUrl(planId: string, theme?: "light" | "dark" | "system", sessionId?: string, origin?: string, hidePrice?: boolean, skipRedirect?: boolean, utm?: Record<string, string | string[]>, styles?: WhopEmbeddedCheckoutStyleOptions, prefill?: WhopEmbeddedCheckoutPrefillOptions, themeOptions?: WhopEmbeddedCheckoutThemeOptions, hideSubmitButton?: boolean, hideTermsAndConditions?: boolean, hideEmail?: boolean, disableEmail?: boolean): string;
declare const EMBEDDED_CHECKOUT_IFRAME_SANDBOX_LIST: string[];
declare const EMBEDDED_CHECKOUT_IFRAME_ALLOW_STRING = "document-domain; execution-while-not-rendered; execution-while-out-of-viewport; payment; paymentRequest; sync-script;";

export { EMBEDDED_CHECKOUT_IFRAME_ALLOW_STRING, EMBEDDED_CHECKOUT_IFRAME_SANDBOX_LIST, type WhopCheckoutMessage, type WhopCheckoutState, type WhopCheckoutSubmitDetails, type WhopEmbeddedCheckoutPrefillOptions, type WhopEmbeddedCheckoutStyleOptions, type WhopEmbeddedCheckoutThemeOptions, getEmail, getEmbeddedCheckoutIframeUrl, isWhopCheckoutMessage, onWhopCheckoutMessage, setEmail, submitCheckoutFrame };