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import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
import * as React from 'react';
import { SelectedAssetAmountInput } from '../containers/selected_asset_amount_input';
import { ColorOption } from '../style/theme';
import { AsyncProcessState } from '../types';
import { format } from '../util/format';
import { Container, Flex, Text } from './ui';
export interface InstantHeadingProps {
selectedAssetAmount?: BigNumber;
totalEthBaseAmount?: BigNumber;
ethUsdPrice?: BigNumber;
quoteState: AsyncProcessState;
buyOrderState: AsyncProcessState;
}
const Placeholder = () => (
<Text fontWeight="bold" fontColor={ColorOption.white}>
—
</Text>
);
const displaytotalEthBaseAmount = ({
selectedAssetAmount,
totalEthBaseAmount,
}: InstantHeadingProps): React.ReactNode => {
if (_.isUndefined(selectedAssetAmount)) {
return '0 ETH';
}
return format.ethBaseAmount(totalEthBaseAmount, 4, <Placeholder />);
};
const displayUsdAmount = ({
totalEthBaseAmount,
selectedAssetAmount,
ethUsdPrice,
}: InstantHeadingProps): React.ReactNode => {
if (_.isUndefined(selectedAssetAmount)) {
return '$0.00';
}
return format.ethBaseAmountInUsd(totalEthBaseAmount, ethUsdPrice, 2, <Placeholder />);
};
const loadingOrAmount = (quoteState: AsyncProcessState, amount: React.ReactNode): React.ReactNode => {
if (quoteState === AsyncProcessState.PENDING) {
return (
<Text fontWeight="bold" fontColor={ColorOption.white}>
…loading
</Text>
);
} else {
return amount;
}
};
const topText = (buyOrderState: AsyncProcessState): string => {
if (buyOrderState === AsyncProcessState.FAILURE) {
return 'Order failed';
}
return 'I want to buy';
};
export const InstantHeading: React.StatelessComponent<InstantHeadingProps> = props => {
return (
<Container
backgroundColor={ColorOption.primaryColor}
padding="20px"
width="100%"
borderRadius="3px 3px 0px 0px"
>
<Container marginBottom="5px">
<Text
letterSpacing="1px"
fontColor={ColorOption.white}
opacity={0.7}
fontWeight={500}
textTransform="uppercase"
fontSize="12px"
>
{topText(props.buyOrderState)}
</Text>
</Container>
<Flex direction="row" justify="space-between">
<SelectedAssetAmountInput fontSize="45px" />
<Flex direction="column" justify="space-between">
<Container marginBottom="5px">
<Text fontSize="16px" fontColor={ColorOption.white} fontWeight={500}>
{loadingOrAmount(props.quoteState, displaytotalEthBaseAmount(props))}
</Text>
</Container>
<Text fontSize="16px" fontColor={ColorOption.white} opacity={0.7}>
{loadingOrAmount(props.quoteState, displayUsdAmount(props))}
</Text>
</Flex>
</Flex>
</Container>
);
};
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