import React from 'react';
import clsx from 'clsx';
import { makeStyles } from '@material-ui/core/styles';
import Button from '@material-ui/core/Button';
import FormControlLabel from '@material-ui/core/FormControlLabel';
import Switch from '@material-ui/core/Switch';

const useStyles = makeStyles({
  button: {
    background: 'linear-gradient(45deg, #FE6B8B 30%, #FF8E53 90%)',
    borderRadius: 3,
    border: 0,
    color: 'white',
    height: 48,
    padding: '0 30px',
    boxShadow: '0 3px 5px 2px rgba(255, 105, 135, .3)',
  },
  buttonBlue: {
    background: 'linear-gradient(45deg, #2196F3 30%, #21CBF3 90%)',
    boxShadow: '0 3px 5px 2px rgba(33, 203, 243, .3)',
  },
});

export default function DynamicClassName() {
  const classes = useStyles();
  const [color, setColor] = React.useState<string>('default');

  const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
    setColor(event.target.checked ? 'blue' : 'default');
  };

  return (
    <React.Fragment>
      <FormControlLabel
        control={
          <Switch
            checked={color === 'blue'}
            onChange={handleChange}
            color="primary"
            value="dynamic-class-name"
          />
        }
        label="Blue"
      />
      <Button
        className={clsx(classes.button, {
          [classes.buttonBlue]: color === 'blue',
        })}
      >
        {'Class name branch'}
      </Button>
    </React.Fragment>
  );
}