accounts-frontend/packages/app/components/profile/multiFactorAuth/instructions/OsInstruction.tsx

import React from 'react';
import { FormattedMessage as Message } from 'react-intl';

import messages from '../instructions.intl';
import styles from './instructions.scss';

type OS = 'android' | 'ios' | 'windows';

const linksByOs: {
    [K in OS]: {
        searchLink: string;
        featured: Array<{ link: string; label: string }>;
    };
} = {
    android: {
        searchLink: 'https://play.google.com/store/search?q=totp%20authenticator',
        featured: [
            {
                link: 'https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2',
                label: 'Google Authenticator',
            },
            {
                link: 'https://play.google.com/store/apps/details?id=org.fedorahosted.freeotp',
                label: 'FreeOTP Authenticator',
            },
            {
                link: 'https://play.google.com/store/apps/details?id=com.authenticator.authservice',
                label: 'TOTP Authenticator',
            },
        ],
    },
    ios: {
        searchLink: 'https://linkmaker.itunes.apple.com/en-us?mediaType=ios_apps&term=authenticator',
        featured: [
            {
                link: 'https://itunes.apple.com/ru/app/google-authenticator/id388497605',
                label: 'Google Authenticator',
            },
            {
                link: 'https://itunes.apple.com/us/app/otp-auth-two-factor-authentication-for-pros/id659877384',
                label: 'OTP Auth',
            },
            {
                link: 'https://itunes.apple.com/us/app/2stp-authenticator/id954311670',
                label: '2STP Authenticator',
            },
        ],
    },
    windows: {
        searchLink: 'https://www.microsoft.com/be-by/store/search/apps?devicetype=mobile&q=authenticator',
        featured: [
            {
                link: 'https://www.microsoft.com/en-us/store/p/microsoft-authenticator/9nblgggzmcj6',
                label: 'Microsoft Authenticator',
            },
            {
                link: 'https://www.microsoft.com/en-us/store/p/authenticator/9nblggh08h54',
                label: 'Authenticator+',
            },
            {
                link: 'https://www.microsoft.com/en-us/store/p/authenticator-for-windows/9nblggh4n8mx',
                label: 'Authenticator for Windows',
            },
        ],
    },
};

export default function OsInstruction({ os }: { os: OS }) {
    return (
        <div className={styles.osInstruction} data-testid="os-instruction" data-os={os}>
            <h3 className={styles.instructionTitle}>
                <Message {...messages.installOnOfTheApps} />
            </h3>

            <ul className={styles.appList}>
                {linksByOs[os].featured.map((item) => (
                    <li key={item.label}>
                        <a href={item.link} target="_blank">
                            {item.label}
                        </a>
                    </li>
                ))}
            </ul>

            <div className={styles.otherApps}>
                <a href={linksByOs[os].searchLink} target="_blank">
                    <Message {...messages.findAlternativeApps} />
                </a>
            </div>
        </div>
    );
}