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import React, { useState } from 'react';
import { makeStyles } from '@material-ui/core/styles';
import {
Card,
CardActionArea,
CardMedia,
Avatar,
CardHeader
} from '@material-ui/core/';
import { Which, Poll } from 'which-types';
import PercentageBar from './PercentageBar';
import { post } from '../../requests';
interface PropTypes {
initialPoll: Poll;
navigate: (prefix: string, id: string) => void;
}
const DATE_FORMAT = {
month: 'long',
day: 'numeric',
year: 'numeric',
hour: '2-digit',
minute: '2-digit',
};
const useStyles = makeStyles(theme => ({
root: {
maxWidth: theme.spacing(75),
height: 488,
margin: '40px auto'
},
images: {
height: theme.spacing(50),
width: 300
},
imagesBlock: {
display: 'flex'
},
avatar: {
cursor: 'pointer'
},
rateLine: {
position: 'relative',
width: '100%',
height: theme.spacing(2),
backgroundColor: theme.palette.primary.light
},
fillRateLine: {
height: theme.spacing(2),
backgroundColor: theme.palette.primary.main,
transitionDuration: '0.5s'
}
}));
const PollCard: React.FC<PropTypes> = ({ initialPoll, navigate }) => {
const [poll, setPoll] = useState<Poll>(initialPoll);
const classes = useStyles();
const { author, contents: { left, right }, userChoice } = poll;
const date: String = new Date(poll.createdAt).toLocaleString('default', DATE_FORMAT);
const handleNavigate = () => {
navigate('profile', poll.author._id);
};
const vote = (which: Which) => {
if (userChoice) return;
post('votes/', { which, pollId: poll._id }).then(() => {
poll.contents[which].votes += 1;
poll.userChoice = which;
setPoll({ ...poll });
});
};
const handleLeft = () => vote('left');
const handleRight = () => vote('right');
const leftPercentage = Math.round(100 * (left.votes / (left.votes + right.votes)));
const percentage = {
left: leftPercentage,
right: 100 - leftPercentage
};
const dominant: Which = left.votes >= right.votes ? 'left' : 'right';
return (
<Card className={classes.root}>
<CardHeader
avatar={(
<Avatar
aria-label="avatar"
src={author.avatarUrl}
alt={author.username[0].toUpperCase()}
onClick={handleNavigate}
className={classes.avatar}
/>
)}
title={author.username}
subheader={date}
/>
<div className={classes.imagesBlock}>
<CardActionArea onDoubleClick={handleLeft}>
<CardMedia
className={classes.images}
image={left.url}
/>
<PercentageBar value={percentage.left} which="left" like={userChoice === 'left'} />
</CardActionArea>
<CardActionArea onDoubleClick={handleRight}>
<CardMedia
className={classes.images}
image={right.url}
/>
<PercentageBar value={percentage.right} which="right" like={userChoice === 'right'} />
</CardActionArea>
</div>
<div className={classes.rateLine}>
<div
className={classes.fillRateLine}
style={{
width: `${percentage[dominant]}%`,
float: dominant
}}
/>
</div>
</Card>
);
};
export default PollCard;
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