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import React, {
useState,
useRef,
FormEvent,
useMemo
} from 'react';
import { useHistory } from 'react-router-dom';
import { makeStyles } from '@material-ui/core/styles';
import {
TextField,
Button,
InputAdornment,
IconButton
} from '@material-ui/core';
import { Visibility, VisibilityOff } from '@material-ui/icons';
import { post } from '../../requests';
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'
}
}));
interface ErrorStates {
username: boolean | undefined;
email: boolean | undefined;
password: boolean | undefined;
}
const Registration: React.FC = () => {
const [values, setValues] = useState<ErrorStates>({
username: false,
email: false,
password: false
});
const [showPassword, setShowPassword] = useState<boolean>(false);
const classes = useStyles();
const usernameRef = useRef<HTMLInputElement>();
const emailRef = useRef<HTMLInputElement>();
const passwordRef = useRef<HTMLInputElement>();
const { login } = useAuth();
const history = useHistory();
const isValid = useMemo(() => {
return !values.username && !values.email && !values.password;
}, [values]);
const handleSubmit = (event:FormEvent<HTMLFormElement>) => {
event.preventDefault();
const username = usernameRef.current?.value?.toLowerCase();
const password = passwordRef.current?.value;
const email = emailRef.current?.value;
if (username && password && isValid) {
post('/users', { username, password, email })
.then(() => login(username, password))
.then(() => history.push(`/profile/${username}`));
}
};
const handleLogin = () => {
history.push('/login');
};
const handleClickShowPassword = () => {
setShowPassword(prevState => !prevState);
};
const handleMouseDownPassword = (event: React.MouseEvent<HTMLButtonElement>) => {
event.preventDefault();
};
const handleUsernameChange = (e: React.FocusEvent<HTMLInputElement>) => {
setValues({
...values,
username: e.currentTarget.value.length === 0
});
};
const handleEmailChange = (e: React.FocusEvent<HTMLInputElement>) => {
setValues({
...values,
email: !/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i.test(e.currentTarget.value)
});
};
const handlePasswordChange = (e: React.FocusEvent<HTMLInputElement>) => {
setValues({
...values,
password: e.currentTarget.value.length < 6
});
};
return (
<>
<div className={classes.formHeader}>Sign Up</div>
<form className={classes.root} noValidate autoComplete="off" onSubmit={handleSubmit}>
<TextField
inputRef={usernameRef}
label="Username"
error={values.username}
helperText={values.username && 'This field is required'}
required
onBlur={handleUsernameChange}
/>
<TextField
inputRef={emailRef}
label="Email"
error={values.email}
helperText={values.email && 'Invalid email address'}
onBlur={handleEmailChange}
/>
<TextField
inputRef={passwordRef}
label="Password"
required
error={values.password}
helperText={values.password && 'Should be at least 6 characters'}
type={showPassword ? 'text' : 'password'}
onBlur={handlePasswordChange}
InputProps={{
endAdornment: (
<InputAdornment position="end">
<IconButton
size="small"
aria-label="toggle password visibility"
onClick={handleClickShowPassword}
onMouseDown={handleMouseDownPassword}
>
{showPassword ? <Visibility /> : <VisibilityOff />}
</IconButton>
</InputAdornment>
)
}}
/>
<Button variant="contained" type="submit">submit</Button>
</form>
<div className={classes.formTransfer}>
<div>Already have an account?</div>
<span
onClick={handleLogin}
className={classes.transferButton}
role="presentation"
>
Log in
</span>
</div>
</>
);
};
export default Registration;
|
