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import {useState} from 'react';
import {
Alert,
Box,
Button,
Chip,
CircularProgress,
Container,
Dialog,
DialogActions,
DialogContent,
DialogContentText,
DialogTitle,
FormControl,
IconButton,
InputAdornment,
InputLabel,
MenuItem,
Paper,
Select,
type SelectChangeEvent,
Snackbar,
Table,
TableBody,
TableCell,
TableContainer,
TableHead,
TablePagination,
TableRow,
TextField,
Tooltip,
Typography
} from '@mui/material';
import {
AccountBalance as AccountBalanceIcon,
Login as LoginIcon,
People as PeopleIcon,
Search as SearchIcon,
TrendingUp as TrendingUpIcon,
Visibility as VisibilityIcon,
Warning as WarningIcon
} from '@mui/icons-material';
import {
useGetAdminInvestorsQuery,
useGetAdminStatsQuery,
useImpersonateUserMutation
} from './../../services/adminApi.ts';
import {useAppDispatch} from '../../store/hooks';
import {setCredentials} from '../../features/auth/authSlice';
import {useNavigate} from 'react-router-dom';
// ============================================================================
// Types
// ============================================================================
interface StatCardProps {
title: string;
value: string | number;
subtitle?: string;
icon: ElementType;
color?: 'primary' | 'success' | 'warning' | 'error' | 'info';
}
interface ImpersonateTarget {
userId: number;
name: string;
}
// ============================================================================
// Constants
// ============================================================================
const kycStatusConfig = {
pending: {label: 'Pending', color: 'warning' as const},
verified: {label: 'Verified', color: 'success' as const},
rejected: {label: 'Rejected', color: 'error' as const}
};
const accountStatusConfig = {
pending: {label: 'Pending', color: 'warning' as const},
active: {label: 'Active', color: 'success' as const},
frozen: {label: 'Frozen', color: 'info' as const},
closed: {label: 'Closed', color: 'default' as const}
};
// ============================================================================
// StatCard Component
// ============================================================================
function StatCard({
title,
value,
subtitle,
icon: Icon,
color = 'primary'
}: StatCardProps): ReactElement {
return (
<Paper sx={{p: 3, height: '100%'}}>
<Box sx={{display: 'flex', alignItems: 'center', mb: 2}}>
<Box
sx={{
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
width: 48,
height: 48,
borderRadius: 2,
backgroundColor: `${color}.light`,
color: `${color}.dark`,
mr: 2
}}
>
<Icon/>
</Box>
<Typography variant="body2" color="text.secondary">
{title}
</Typography>
</Box>
<Typography variant="h4" fontWeight="bold" gutterBottom>
{value}
</Typography>
{subtitle !== undefined && subtitle !== '' && (
<Typography variant="body2" color="text.secondary">
{subtitle}
</Typography>
)}
</Paper>
);
}
// ============================================================================
// Main Component
// ============================================================================
export default function AdminDashboardPage(): ReactElement {
const dispatch = useAppDispatch();
const navigate = useNavigate();
// Table state
const [page, setPage] = useState(0);
const [rowsPerPage, setRowsPerPage] = useState(10);
const [search, setSearch] = useState('');
const [kycFilter, setKycFilter] = useState('');
const [statusFilter, setStatusFilter] = useState('');
// Impersonation dialog state
const [impersonateDialogOpen, setImpersonateDialogOpen] = useState(false);
const [impersonateTarget, setImpersonateTarget] = useState<ImpersonateTarget | null>(null);
const [errorSnackbar, setErrorSnackbar] = useState(false);
// Fetch stats
const {
data: stats,
isLoading: statsLoading,
error: statsError
} = useGetAdminStatsQuery();
// Fetch investors - use kycStatus and status as param names to match API/tests
const {
data: investorsData,
isLoading: investorsLoading
} = useGetAdminInvestorsQuery({
page: page + 1,
limit: rowsPerPage,
...(search !== '' && {search}),
...(kycFilter !== '' && {kycStatus: kycFilter}),
...(statusFilter !== '' && {status: statusFilter})
});
// Impersonation
const [impersonateUser, {isLoading: impersonating}] = useImpersonateUserMutation();
const handleImpersonateClick = (userId: number, name: string): void => {
setImpersonateTarget({userId, name});
setImpersonateDialogOpen(true);
};
const handleImpersonateCancel = (): void => {
setImpersonateDialogOpen(false);
setImpersonateTarget(null);
};
const handleImpersonateConfirm = (): void => {
Iif (impersonateTarget === null) {
return;
}
impersonateUser(impersonateTarget.userId)
.unwrap()
.then((result): void => {
setImpersonateDialogOpen(false);
setImpersonateTarget(null);
// Update auth state with impersonated user
dispatch(setCredentials({
user: {
...result.user,
role: result.user.role as 'admin' | 'investor'
},
accessToken: result.accessToken,
refreshToken: result.refreshToken
}));
// Navigate to dashboard
navigate('/dashboard');
})
.catch((): void => {
setImpersonateDialogOpen(false);
setImpersonateTarget(null);
setErrorSnackbar(true);
});
};
const formatCurrency = (value: string | number): string => {
const num = typeof value === 'string' ? parseFloat(value) : value;
return new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
minimumFractionDigits: 0,
maximumFractionDigits: 0
}).format(num);
};
const handleSearchChange = (e: React.ChangeEvent<HTMLInputElement>): void => {
setSearch(e.target.value);
setPage(0);
};
const handleKycFilterChange = (e: SelectChangeEvent): void => {
setKycFilter(e.target.value);
setPage(0);
};
const handleStatusFilterChange = (e: SelectChangeEvent): void => {
setStatusFilter(e.target.value);
setPage(0);
};
const handlePageChange = (_e: unknown, newPage: number): void => {
setPage(newPage);
};
const handleRowsPerPageChange = (e: React.ChangeEvent<HTMLInputElement>): void => {
setRowsPerPage(parseInt(e.target.value, 10));
setPage(0);
};
if (statsLoading) {
return (
<Box
sx={{
display: 'flex',
justifyContent: 'center',
alignItems: 'center',
minHeight: '60vh'
}}
>
<CircularProgress/>
</Box>
);
}
if (statsError !== undefined) {
return (
<Container maxWidth="xl" sx={{mt: 4}}>
<Alert severity="error">
Failed to load admin dashboard. Please try again.
</Alert>
</Container>
);
}
// Extract stats with defaults
const totalAum = stats?.totalAum ?? '0';
const totalAccounts = stats?.totalAccounts ?? 0;
const totalInvestors = stats?.totalInvestors ?? 0;
const activeInvestors = stats?.activeInvestors ?? 0;
const pendingKyc = stats?.pendingKyc ?? 0;
const totalAvailableForLoan = stats?.totalAvailableForLoan ?? '0';
return (
<Box sx={{backgroundColor: 'background.default', minHeight: '100vh', py: 4}}>
<Container maxWidth="xl">
{/* Header */}
<Box sx={{mb: 4}}>
<Typography variant="h4" fontWeight="bold" gutterBottom>
Admin Dashboard
</Typography>
<Typography variant="body1" color="text.secondary">
Platform overview and investor management
</Typography>
</Box>
{/* Stats Grid */}
<Box
sx={{
display: 'grid',
gridTemplateColumns: {
xs: '1fr',
sm: 'repeat(2, 1fr)',
md: 'repeat(4, 1fr)'
},
gap: 3,
mb: 4
}}
>
<StatCard
title="Total AUM"
value={formatCurrency(totalAum)}
subtitle={`${String(totalAccounts)} accounts`}
icon={AccountBalanceIcon}
color="primary"
/>
<StatCard
title="Total Investors"
value={totalInvestors}
subtitle={`${String(activeInvestors)} active`}
icon={PeopleIcon}
color="success"
/>
<StatCard
title="Pending KYC"
value={pendingKyc}
subtitle="Awaiting verification"
icon={WarningIcon}
color="warning"
/>
<StatCard
title="Available Credit"
value={formatCurrency(totalAvailableForLoan)}
subtitle="Platform-wide"
icon={TrendingUpIcon}
color="info"
/>
</Box>
{/* Investors Table */}
<Paper sx={{p: 3}}>
<Typography variant="h6" fontWeight="bold" gutterBottom>
Investors
</Typography>
{/* Filters */}
<Box
sx={{
display: 'flex',
gap: 2,
mb: 3,
flexWrap: 'wrap'
}}
>
<TextField
placeholder="Search by name or email..."
value={search}
onChange={handleSearchChange}
size="small"
sx={{minWidth: 250}}
slotProps={{
input: {
startAdornment: (
<InputAdornment position="start">
<SearchIcon color="action"/>
</InputAdornment>
)
}
}}
/>
<FormControl size="small" sx={{minWidth: 140}}>
<InputLabel id="kyc-status-label">KYC Status</InputLabel>
<Select
labelId="kyc-status-label"
id="kyc-status-select"
value={kycFilter}
label="KYC Status"
onChange={handleKycFilterChange}
>
<MenuItem value="">All</MenuItem>
<MenuItem value="pending">Pending</MenuItem>
<MenuItem value="verified">Verified</MenuItem>
<MenuItem value="rejected">Rejected</MenuItem>
</Select>
</FormControl>
<FormControl size="small" sx={{minWidth: 140}}>
<InputLabel id="status-label">Status</InputLabel>
<Select
labelId="status-label"
id="status-select"
value={statusFilter}
label="Status"
onChange={handleStatusFilterChange}
>
<MenuItem value="">All</MenuItem>
<MenuItem value="active">Active</MenuItem>
<MenuItem value="inactive">Inactive</MenuItem>
<MenuItem value="suspended">Suspended</MenuItem>
</Select>
</FormControl>
</Box>
{/* Table */}
<TableContainer>
<Table>
<TableHead>
<TableRow>
<TableCell>Investor</TableCell>
<TableCell>Email</TableCell>
<TableCell>KYC Status</TableCell>
<TableCell>Account</TableCell>
<TableCell align="right">Balance</TableCell>
<TableCell>Joined</TableCell>
<TableCell align="center">Actions</TableCell>
</TableRow>
</TableHead>
<TableBody>
{investorsLoading ? (
<TableRow>
<TableCell colSpan={7} align="center" sx={{py: 4}}>
<CircularProgress size={24}/>
</TableCell>
</TableRow>
) : investorsData?.investors.length === 0 ? (
<TableRow>
<TableCell colSpan={7} align="center" sx={{py: 4}}>
No investors found
</TableCell>
</TableRow>
) : (
investorsData?.investors.map((investor) => {
const kycConfig = kycStatusConfig[investor.kycStatus];
const accountStatus = investor.accountStatus;
const accConfig = accountStatus !== undefined && accountStatus !== null
? accountStatusConfig[accountStatus as keyof typeof accountStatusConfig]
: null;
const kycLabel = kycConfig?.label ?? investor.kycStatus;
const kycColor = kycConfig?.color ?? 'default';
const investorUserId = investor.userId;
const hasBalance = investor.balance !== null && investor.balance !== undefined;
return (
<TableRow key={investor.investorId} hover>
<TableCell>
<Typography variant="body2" fontWeight="medium">
{investor.firstName} {investor.lastName}
</Typography>
</TableCell>
<TableCell>
<Typography variant="body2" color="text.secondary">
{investor.email}
</Typography>
</TableCell>
<TableCell>
<Chip
label={kycLabel}
color={kycColor}
size="small"
/>
</TableCell>
<TableCell>
{investor.accountNumber !== null && investor.accountNumber !== undefined ? (
<Box>
<Typography variant="body2">
{investor.accountNumber}
</Typography>
{accConfig !== null && (
<Chip
label={accConfig.label}
color={accConfig.color}
size="small"
sx={{mt: 0.5}}
/>
)}
</Box>
) : (
<Typography variant="body2" color="text.secondary">
No account
</Typography>
)}
</TableCell>
<TableCell align="right">
{hasBalance ? (
<Typography variant="body2" fontWeight="medium">
{formatCurrency(investor.balance as string | number)}
</Typography>
) : (
<Typography variant="body2" color="text.secondary">
—
</Typography>
)}
</TableCell>
<TableCell>
<Typography variant="body2" color="text.secondary">
{new Date(investor.createdAt).toLocaleDateString()}
</Typography>
</TableCell>
<TableCell align="center">
<Tooltip title="View Details">
<IconButton
size="small"
onClick={() => navigate(`/admin/investors/${investor.investorId}`)}
>
<VisibilityIcon fontSize="small"/>
</IconButton>
</Tooltip>
{investorUserId !== null && investorUserId !== undefined && (
<Tooltip title="Login as User">
<IconButton
size="small"
color="primary"
onClick={(): void => {
handleImpersonateClick(
investorUserId,
`${investor.firstName} ${investor.lastName}`
);
}}
>
<LoginIcon fontSize="small"/>
</IconButton>
</Tooltip>
)}
</TableCell>
</TableRow>
);
})
)}
</TableBody>
</Table>
</TableContainer>
{/* Pagination */}
<TablePagination
component="div"
count={investorsData?.total ?? 0}
page={page}
onPageChange={handlePageChange}
rowsPerPage={rowsPerPage}
onRowsPerPageChange={handleRowsPerPageChange}
rowsPerPageOptions={[5, 10, 25, 50]}
/>
</Paper>
</Container>
{/* Impersonation Confirmation Dialog */}
<Dialog
open={impersonateDialogOpen}
onClose={handleImpersonateCancel}
aria-labelledby="impersonate-dialog-title"
aria-describedby="impersonate-dialog-description"
>
<DialogTitle id="impersonate-dialog-title">
Confirm Impersonation
</DialogTitle>
<DialogContent>
<DialogContentText id="impersonate-dialog-description">
Are you sure you want to login as {impersonateTarget?.name}? You will be logged out of your
admin account.
</DialogContentText>
</DialogContent>
<DialogActions>
<Button onClick={handleImpersonateCancel} disabled={impersonating}>
Cancel
</Button>
<Button
onClick={handleImpersonateConfirm}
variant="contained"
disabled={impersonating}
autoFocus
>
{impersonating ? 'Loading...' : 'Confirm'}
</Button>
</DialogActions>
</Dialog>
{/* Error Snackbar */}
<Snackbar
open={errorSnackbar}
autoHideDuration={6000}
onClose={(): void => setErrorSnackbar(false)}
message="Failed to impersonate user"
/>
</Box>
);
} |