trezor-wallet/src/views/Wallet/views/AccountSummary/components/Details/index.js

/* @flow */


import React from 'react';
import BigNumber from 'bignumber.js';

import type { Coin } from 'reducers/LocalStorageReducer';
import type { Props as BaseProps } from '../../Container';

type Props = {
    // coin: $PropertyType<$ElementType<BaseProps, 'selectedAccount'>, 'coin'>,
    coin: Coin,
    summary: $ElementType<BaseProps, 'summary'>,
    balance: string,
    network: string,
    fiat: $ElementType<BaseProps, 'fiat'>,
    onToggle: $ElementType<BaseProps, 'onDetailsToggle'>
}

const SummaryDetails = (props: Props): ?React$Element<string> => {
    if (!props.summary.details) {
        return (
            <div className="summary-details">
                <div className="toggle" onClick={props.onToggle} />
            </div>
        );
    }

    const selectedCoin = props.coin;
    const fiatRate = props.fiat.find(f => f.network === selectedCoin.network);

    let balanceColumn = null;
    let rateColumn = null;

    if (fiatRate) {
        const accountBalance = new BigNumber(props.balance);
        const fiatValue = new BigNumber(fiatRate.value);
        const fiat = accountBalance.times(fiatValue).toFixed(2);

        balanceColumn = (
            <div className="column">
                <div className="label">Balance</div>
                <div className="fiat-value">${ fiat }</div>
                <div className="value">{ props.balance } { selectedCoin.symbol }</div>
            </div>
        );

        rateColumn = (
            <div className="column">
                <div className="label">Rate</div>
                <div className="fiat-value">${ fiatValue.toFixed(2) }</div>
                <div className="value">1.00 { selectedCoin.symbol }</div>
            </div>
        );
    } else {
        balanceColumn = (
            <div className="column">
                <div className="label">Balance</div>
                <div className="fiat-value">{ props.balance } { selectedCoin.symbol }</div>
            </div>
        );
    }

    return (
        <div className="summary-details opened">
            <div className="toggle" onClick={props.onToggle} />
            <div className="content">
                { balanceColumn }
                { rateColumn }
            </div>
        </div>
    );
};

export default SummaryDetails;