// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

import { NavigatorUA } from './types';
/**
 * Retrieves the device name using the User-Agent Client Hints API if available,
 * falling back to the traditional userAgent string if not.
 *
 * @returns {Promise<string>} A promise that resolves with a string representing the device name.
 *
 * Example Output:
 * navigator.userAgentData:
 *   'macOS 14.2.1 arm macOS Not A(Brand/99.0.0.0;Google Chrome/121.0.6167.160;Chromium/121.0.6167.160'
 * navigator.userAgent:
 *   'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/115.0'
 */
export const getDeviceName = async (): Promise<string> => {
	const { userAgentData } = navigator as NavigatorUA;

	if (!userAgentData) return navigator.userAgent;

	const {
		platform = '',
		platformVersion = '',
		model = '',
		architecture = '',
		fullVersionList = [],
	} = await userAgentData.getHighEntropyValues([
		'platform',
		'platformVersion',
		'architecture',
		'model',
		'fullVersionList',
	]);

	const versionList = fullVersionList
		.map((v: { brand: string; version: string }) => `${v.brand}/${v.version}`)
		.join(';');

	const deviceName = [
		platform,
		platformVersion,
		architecture,
		model,
		platform,
		versionList,
	]
		.filter(value => value)
		.join(' ');

	return deviceName || navigator.userAgent;
};