/**
 * Get an unique ID
 *
 * @returns {String} Unique ID
 */
export const generateUId = (): string => {
	const uniqueId       = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
		const r          = (Math.random() * 16) | 0;
		const v          = c === 'x' ? r : (r & 0x3) | 0x8;
		return v.toString(16);
	});
	return uniqueId;
};

export let airTrackerCommonData = {
	sessionId: generateUId(),
};

export const getBrowserInfo = (sessionId: string | undefined) => {
	const { navigator, screen } = window || {};
	const { language, userAgent } = navigator || {};
	const { colorDepth, height, width } = screen || {};

	return {
		device_id: sessionId, // need to pass risk device js session id
		screen_height: height,
		screen_width: width,
		screen_color_depth: colorDepth,
		language: language,
		timezone: new Date().getTimezoneOffset(),
		browser: {
			java_enabled: navigator?.javaEnabled(),
			javascript_enabled: true,
			user_agent: userAgent,
		},
	};
}

export const initAirwallex = (env: string, locale: string, callback: () => void): void => {
	const initAirwallexInterval = setInterval(() => {
		if (window.Airwallex) {
			clearInterval(initAirwallexInterval);
			Airwallex!.init({
				env,
				locale,
				origin: window.location.origin,
			} as Parameters<NonNullable<typeof window.Airwallex>['init']>[0]);
			callback();
		}
	}, 1000);
};

export const getLocaleFromBrowserLanguage = (): string => {
	const language = navigator.language || navigator.userLanguage || '';
	const locale   = language.split('-')[0];
	// if locale is zh-HK or zh-TW, return zh-hk
	if (locale === 'zh' && (language === 'zh-HK' || language === 'zh-TW')) {
		return 'zh-HK';
	}

	return locale;
}

export const getSessionId = (): string | null | undefined => {
	return document.getElementById('airwallex-fraud-api')?.getAttribute('data-order-session-id');
}

export const getOrderAttributionData = (): Record<string, string> => {
	if (typeof wc_order_attribution === 'undefined' || typeof wc_order_attribution.getAttributionData !== 'function') {
		return {};
	}

	const attributionData = wc_order_attribution.getAttributionData();
	const prefixedData: Record<string, string> = {};

	for (const [key, value] of Object.entries(attributionData)) {
		prefixedData[`wc_order_attribution_${key}`] = value;
	}

	return prefixedData;
};