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import React, { useState, useRef } from 'react';
import { useHistory } from 'react-router-dom';
import { makeStyles } from '@material-ui/core/styles';
import {
TextField,
Button,
FormControlLabel,
Switch
} from '@material-ui/core';
import { useAuth } from '../../hooks/useAuth';
const useStyles = makeStyles(theme => ({
root: {
'& > *': {
margin: theme.spacing(1),
width: theme.spacing(35)
},
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
textAlign: 'center'
},
formHeader: {
textAlign: 'center',
fontSize: 25
},
formTransfer: {
display: 'flex',
justifyContent: 'center'
},
transferButton: {
marginLeft: 10,
color: 'green',
cursor: 'pointer'
}
}));
const Login: React.FC = () => {
const [error, setError] = useState<boolean>(false);
const [remember, setRemember] = useState<boolean>(true);
const classes = useStyles();
const nameRef = useRef<HTMLInputElement>();
const passwordRef = useRef<HTMLInputElement>();
const { login } = useAuth();
const history = useHistory();
const handleCheck = () => {
setRemember(!remember);
};
const handleSubmit = async () => {
const name = nameRef.current?.value?.toLowerCase();
const password = passwordRef.current?.value;
if (name && password) {
login(name, password, remember).then(success => {
if (success) history.push(`/profile/${name}`);
else setError(true);
});
}
};
const handleRegistration = () => {
history.push('/registration');
};
return (
<>
<div className={classes.formHeader}>Sign In</div>
<form className={classes.root} noValidate autoComplete="off">
<TextField
inputRef={nameRef}
error={error}
label="Login"
/>
<TextField
inputRef={passwordRef}
error={error}
helperText={error && 'Invalid credentials'}
label="Password"
type="password"
/>
<FormControlLabel
control={<Switch color="primary" onClick={handleCheck} checked={remember} size="small" />}
label="Remember me"
/>
<Button variant="contained" onClick={handleSubmit}>submit</Button>
</form>
<div className={classes.formTransfer}>
<div>{'Don\'t have an account?'}</div>
<span
onClick={handleRegistration}
className={classes.transferButton}
role="presentation"
>
Sign up
</span>
</div>
</>
);
};
export default Login;
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