ConceptPortal-public/rsconcept/frontend/src/pages/RegisterPage.tsx

import { useEffect, useState } from 'react';
import { useLocation } from 'react-router-dom';
import { toast } from 'react-toastify';

import BackendError from '../components/BackendError';
import Button from '../components/common/Button';
import Form from '../components/common/Form';
import SubmitButton from '../components/common/SubmitButton';
import TextInput from '../components/common/TextInput';
import { useAuth } from '../context/AuthContext';
import { useConceptNavigation } from '../context/NagivationContext';
import { type IUserSignupData } from '../models/library';

function RegisterPage() {
  const location = useLocation();
  const { navigateTo, navigateHistory } = useConceptNavigation();
  const { user, signup, loading, error, setError } = useAuth();
  
  const [username, setUsername] = useState('');
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [password2, setPassword2] = useState('');
  const [firstName, setFirstName] = useState('');
  const [lastName, setLastName] = useState('');

  useEffect(() => {
    setError(undefined);
  }, [username, email, password, password2, setError]);

  function handleCancel() {
    if (location.key !== 'default') {
      navigateHistory(-1);
    } else {
      navigateTo('/library');
    }
  }

  function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
    event.preventDefault();
    if (!loading) {
      const data: IUserSignupData = {
        username,
        email,
        password,
        password2,
        first_name: firstName,
        last_name: lastName
      };
      signup(data, createdUser => {
        navigateTo(`/login?username=${createdUser.username}`);
        toast.success(`Пользователь успешно создан: ${createdUser.username}`);
      });
    }
  }

  return (
    <div className='flex justify-center w-full py-2'>
    { user &&
      <b>{`Вы вошли в систему как ${user.username}`}</b>}
    { !user &&
      <Form
        title='Регистрация'
        onSubmit={handleSubmit}
        dimensions='w-[24rem]'
      >
        <TextInput id='username' label='Имя пользователя' type='text'
          required
          value={username}
          onChange={event => setUsername(event.target.value)}
        />
        <TextInput id='password' label='Пароль' type='password'
          required
          value={password}
          onChange={event => setPassword(event.target.value)}
        />
        <TextInput id='password2' label='Повторите пароль' type='password'
          required
          value={password2}
          onChange={event => setPassword2(event.target.value)}
        />
        <div className='text-sm'>
          <p>- используйте уникальный пароль</p>
          <p>- портал функционирует в тестовом режиме</p>
          <p className='font-semibold text-warning'>- безопасность информации не гарантируется</p>
          {/* <p>- минимум 8 символов</p>
          <p>- большие, маленькие буквы, цифры</p>
          <p>- минимум 1 спец. символ</p> */}
        </div>
        <TextInput id='email' label='email' type='text'
          required
          value={email}
          onChange={event => setEmail(event.target.value)}
        />
        <TextInput id='first_name' label='Имя' type='text'
          value={firstName}
          onChange={event => setFirstName(event.target.value)}
        />
        <TextInput id='last_name' label='Фамилия' type='text'
          value={lastName}
          onChange={event => setLastName(event.target.value)}
        />

        <div className='flex items-center justify-center w-full gap-4 my-4'>
          <SubmitButton
            text='Регистрировать' 
            loading={loading}
            dimensions='min-w-[10rem]'
          />
          <Button 
            text='Отмена'
            onClick={() => handleCancel()}
            dimensions='min-w-[10rem]'
          />
        </div>
        { error && <BackendError error={error} />}
      </Form>
    }
    </div>
  );
}

export default RegisterPage;