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import React, { useContext, useState } from 'react';
import { useNavigate } from 'react-router-dom';
import PropTypes from 'prop-types';
import { Button, Card, Container, Text, TextInput, Title } from '@mantine/core';
import { useForm } from 'react-hook-form'
import { ZodError, z } from 'zod';
import { UserDataContext } from '../../context/user-data-context';
let host = import.meta.env.VITE_BACKEND_HOST;
const loginSchema = z.object({
username: z.string().min(5, { message: 'Username should not be less than 5 characters' }).max(15, { message: 'Username should not be more than 15 characters' }),
password: z.string().min(8, { message: 'Password should not be less than 8 characters' }).max(15, { message: 'Password should not be more than 15 characters' })
}).required();
const signupSchema = z.object({
username: z.string().min(5, { message: 'Username should not be less than 5 characters' }).max(15, { message: 'Username should not be more than 15 characters' }),
email: z.string().email({ message: 'Please enter a valid email address' }),
password: z.string().min(8, { message: 'Password should not be less than 8 characters' }).max(15, { message: 'Password should not be more than 15 characters' }),
}).required();
const AuthenticationPage = (props) => {
const navigate = useNavigate();
const { isLogin } = props;
return (
<Container maw="100%" sx={(theme) => ({ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100vh', backgroundImage: theme.fn.gradient({ from: 'blue', to: 'teal' }) })}>
<Card shadow="md" p="lg" style={{ maxWidth: 400, width: '100%' }}>
<Title align="center" variant="h4" order={1} style={{ marginBottom: 20 }}>
{isLogin ? 'Login' : 'Sign Up'}
</Title>
<div>
{isLogin ? <LoginForm /> : <SignupForm />}
{/* Toggle between login and signup */}
<Text align="center" style={{ marginBottom: 10 }}>
{isLogin ? 'Don\'t have an account?' : 'Already have an account?'}
<Button
variant="link"
color="lime"
size="md"
p="10px"
onClick={() => { navigate(isLogin ? '/signup' : '/login', { replace: true }) }}
>
<Text color='lime'>
{isLogin ? 'Sign Up' : 'Login'}
</Text>
</Button>
</Text>
</div>
</Card>
</Container>
);
};
AuthenticationPage.propTypes = {
isLogin: PropTypes.bool
}
const LoginForm = () => {
const { setIsLoggedIn } = useContext(UserDataContext)
const { register, handleSubmit, setError, formState: { errors } } = useForm();
const [errorMsg, setErrorMsg] = useState("")
const [isLoading, setIsLoading] = useState(false);
const navigate = useNavigate();
const loginHandler = async (data) => {
setIsLoading(true);
try {
loginSchema.parse(data);
let loginUrl = `${host}/api/auth/login`
const response = await fetch(loginUrl, { method: 'POST', body: JSON.stringify(data), headers: { 'Content-Type': 'application/json' }, credentials: 'include' })
const resData = await response.json();
setIsLoading(false);
if (response.ok) {
localStorage.setItem('user', JSON.stringify(resData.user))
localStorage.setItem('loggedIn', true);
setIsLoggedIn(true);
return navigate('/');
} else {
setErrorMsg(resData.message || "Something went wrong");
}
} catch (err) {
setIsLoading(false);
if (err instanceof ZodError) {
let formattedError = err.format();
formattedError.username && setError('username', { message: formattedError.username._errors[0] });
formattedError.password && setError('password', { message: formattedError.password._errors[0] });
} else {
console.error(err);
setErrorMsg("Something went wrong")
}
}
}
return (
<form onSubmit={handleSubmit(loginHandler)}>
<TextInput error={errors?.username?.message} name="username" type="text" placeholder="username" {...register('username')} style={{ marginBottom: 10, padding: '10px' }} />
<TextInput error={errors?.password?.message} type="password" placeholder="Password" {...register('password')} style={{ marginBottom: 10, padding: '10px' }} />
<Button loading={isLoading} type="submit" fullWidth variant="filled" color="lime" style={{ marginBottom: 10 }}>
Login
</Button>
<Text style={{ color: 'red', textAlign: 'center', fontSize: '150%' }}>
{errorMsg}
</Text>
</form>
);
};
const SignupForm = () => {
const navigate = useNavigate();
const { setIsLoggedIn } = useContext(UserDataContext)
const { register, handleSubmit, setError, formState: { errors } } = useForm();
const [errorMsg, setErrorMsg] = useState("")
const [isLoading, setIsLoading] = useState(false);
const signupHandler = async (data) => {
setIsLoading(true)
try {
signupSchema.parse(data)
let signupUrl = `${host}/api/auth/signup`;
const response = await fetch(signupUrl, { method: 'POST', body: JSON.stringify(data), headers: { 'Content-Type': 'application/json' } })
const resData = await response.json();
if (response.ok) {
localStorage.setItem('user', JSON.stringify(resData.user))
localStorage.setItem('loggedIn', true);
setIsLoggedIn(true);
return navigate('/');
} else {
setIsLoading(false);
setErrorMsg(resData.message);
resData?.error?.username && setError('username', { message: resData.error.username });
resData?.error?.email && setError('email', { message: resData.error.email });
}
} catch (err) {
setIsLoading(false);
if (err instanceof ZodError) {
let formattedError = err.format();
formattedError.username && setError('username', { message: formattedError.username._errors[0] });
formattedError.email && setError('email', { message: formattedError.email._errors[0] });
formattedError.password && setError('password', { message: formattedError.password._errors[0] });
} else {
console.error(err)
setErrorMsg("Something went wrong")
}
}
}
return (
<form onSubmit={handleSubmit(signupHandler)}>
<TextInput {...register('username')} error={errors?.username?.message} type="text" placeholder="Username" style={{ marginBottom: 10, padding: '10px' }} />
<TextInput {...register('email')} error={errors?.email?.message} type="email" placeholder="Email" style={{ marginBottom: 10, padding: '10px' }} />
<TextInput {...register('password')} error={errors?.password?.message} type="password" placeholder="Password" style={{ marginBottom: 10, padding: '10px' }} />
<Button loading={isLoading} type="submit" fullWidth variant="filled" color="lime" style={{ marginBottom: 10 }}>
Sign Up
</Button>
<Text style={{ color: 'red', textAlign: 'center', fontSize: '150%' }}>
{errorMsg}
</Text>
</form>
);
};
export default AuthenticationPage;
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