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import React, { useState } from 'react';
import {
useMediaQuery, InputLabel, Select, MenuItem, FormControl, Button, TextField, Link, Snackbar, IconButton, Tooltip,
} from '@mui/material';
import makeStyles from '@mui/styles/makeStyles';
import CloseIcon from '@mui/icons-material/Close';
import LockOpenIcon from '@mui/icons-material/LockOpen';
import { useTheme } from '@mui/material/styles';
import { useDispatch, useSelector } from 'react-redux';
import { useNavigate } from 'react-router-dom';
import { sessionActions } from '../store';
import { useLocalization, useTranslation } from '../common/components/LocalizationProvider';
import LoginLayout from './LoginLayout';
import usePersistedState from '../common/util/usePersistedState';
import { nativePostMessage } from '../common/components/NativeInterface';
import LogoImage from './LogoImage';
const useStyles = makeStyles((theme) => ({
options: {
position: 'fixed',
top: theme.spacing(1),
right: theme.spacing(1),
},
container: {
display: 'flex',
flexDirection: 'column',
gap: theme.spacing(2),
},
extraContainer: {
display: 'flex',
gap: theme.spacing(2),
},
registerButton: {
minWidth: 'unset',
},
resetPassword: {
cursor: 'pointer',
textAlign: 'center',
marginTop: theme.spacing(2),
},
}));
const LoginPage = () => {
const classes = useStyles();
const dispatch = useDispatch();
const navigate = useNavigate();
const theme = useTheme();
const t = useTranslation();
const { languages, language, setLanguage } = useLocalization();
const languageList = Object.entries(languages).map((values) => ({ code: values[0], name: values[1].name }));
const [failed, setFailed] = useState(false);
const [email, setEmail] = usePersistedState('loginEmail', '');
const [password, setPassword] = useState('');
const registrationEnabled = useSelector((state) => state.session.server.registration);
const languageEnabled = useSelector((state) => !state.session.server.attributes['ui.disableLoginLanguage']);
const emailEnabled = useSelector((state) => state.session.server.emailEnabled);
const [announcementShown, setAnnouncementShown] = useState(false);
const announcement = useSelector((state) => state.session.server.announcement);
const handleSubmit = async (event) => {
event.preventDefault();
try {
const response = await fetch('/api/session', {
method: 'POST',
body: new URLSearchParams(`email=${encodeURIComponent(email)}&password=${encodeURIComponent(password)}`),
});
if (response.ok) {
const user = await response.json();
dispatch(sessionActions.updateUser(user));
nativePostMessage('login');
navigate('/');
} else {
throw Error(await response.text());
}
} catch (error) {
setFailed(true);
setPassword('');
}
};
const handleSpecialKey = (e) => {
if (e.keyCode === 13 && email && password) {
handleSubmit(e);
}
};
return (
<LoginLayout>
<div className={classes.options}>
{(window.appInterface || (window.webkit && window.webkit.messageHandlers.appInterface)) && (
<Tooltip title={t('settingsServer')}>
<IconButton onClick={() => navigate('/change-server')}>
<LockOpenIcon />
</IconButton>
</Tooltip>
)}
</div>
<div className={classes.container}>
{useMediaQuery(theme.breakpoints.down('lg')) && <LogoImage color={theme.palette.primary.main} />}
<TextField
required
error={failed}
label={t('userEmail')}
name="email"
value={email}
autoComplete="email"
autoFocus={!email}
onChange={(e) => setEmail(e.target.value)}
onKeyUp={handleSpecialKey}
helperText={failed && 'Invalid username or password'}
/>
<TextField
required
error={failed}
label={t('userPassword')}
name="password"
value={password}
type="password"
autoComplete="current-password"
autoFocus={!!email}
onChange={(e) => setPassword(e.target.value)}
onKeyUp={handleSpecialKey}
/>
<Button
onClick={handleSubmit}
onKeyUp={handleSpecialKey}
variant="contained"
color="secondary"
disabled={!email || !password}
>
{t('loginLogin')}
</Button>
<div className={classes.extraContainer}>
<Button
className={classes.registerButton}
onClick={() => navigate('/register')}
disabled={!registrationEnabled}
color="secondary"
>
{t('loginRegister')}
</Button>
{languageEnabled && (
<FormControl fullWidth>
<InputLabel>{t('loginLanguage')}</InputLabel>
<Select label={t('loginLanguage')} value={language} onChange={(e) => setLanguage(e.target.value)}>
{languageList.map((it) => <MenuItem key={it.code} value={it.code}>{it.name}</MenuItem>)}
</Select>
</FormControl>
)}
</div>
{emailEnabled && (
<Link
onClick={() => navigate('/reset-password')}
className={classes.resetPassword}
underline="none"
variant="caption"
>
{t('loginReset')}
</Link>
)}
</div>
<Snackbar
open={!!announcement && !announcementShown}
message={announcement}
action={(
<IconButton size="small" color="inherit" onClick={() => setAnnouncementShown(true)}>
<CloseIcon fontSize="small" />
</IconButton>
)}
/>
</LoginLayout>
);
};
export default LoginPage;
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