All files / pages/admin AdminDisbursementsPage.tsx

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import {type ReactElement, useState} from 'react';
import {
	Alert,
	Box,
	Button,
	Chip,
	CircularProgress,
	Container,
	Dialog,
	DialogActions,
	DialogContent,
	DialogTitle,
	Paper,
	Stack,
	Tab,
	Table,
	TableBody,
	TableCell,
	TableContainer,
	TableHead,
	TableRow,
	Tabs,
	TextField,
	Typography
} from '@mui/material';
 
import {
	useGetDisbursementHistoryQuery,
	useGetPendingDisbursementsQuery,
	useMarkDisbursedMutation
} from '../../services/disbursementApi';
import type {Disbursement} from '../../types/disbursement';
 
interface TabPanelProps {
	children?: React.ReactNode;
	index: number;
	value: number;
}
 
function TabPanel(props: TabPanelProps): ReactElement {
	const {children, value, index, ...other} = props;
	return (
		<div role="tabpanel" hidden={value !== index} {...other}>
			{value === index && <Box sx={{pt: 3}}>{children}</Box>}
		</div>
	);
}
 
function formatMoney(value: string | undefined): string {
	Iif (value === undefined) return '—';
	const num = Number.parseFloat(value);
	Iif (Number.isNaN(num)) return value;
	return num.toLocaleString('en-US', {style: 'currency', currency: 'USD'});
}
 
function formatDate(value: string | undefined): string {
	Iif (value === undefined) return '—';
	const d = new Date(value);
	Iif (Number.isNaN(d.getTime())) return value;
	return d.toLocaleDateString('en-US');
}
 
interface MarkDisbursedDialogProps {
	open: boolean;
	disbursement: Disbursement | null;
	onClose: () => void;
}
 
function MarkDisbursedDialog({open, disbursement, onClose}: MarkDisbursedDialogProps): ReactElement {
	const [bankReference, setBankReference] = useState('');
	const [disbursedDate, setDisbursedDate] = useState(
		new Date().toISOString().slice(0, 10)
	);
	// Defaults to the net wire (requested − origination fee) — what the admin
	// should actually send. The parent keys this dialog on the disbursement id,
	// so this initializer re-runs for each row. Still editable.
	const [confirmedAmount, setConfirmedAmount] = useState(
		disbursement?.netDisbursementAmount ?? disbursement?.requestedAmount ?? ''
	);
	const [markDisbursed, {isLoading, error}] = useMarkDisbursedMutation();
 
	const handleSubmit = async (): Promise<void> => {
		if (disbursement === null) return;
		try {
			await markDisbursed({
				disbursementId: disbursement.disbursementId,
				bankReference,
				disbursedDate,
				confirmedAmount
			}).unwrap();
			setBankReference('');
			setConfirmedAmount('');
			onClose();
		} catch {
			// error state handled by mutation hook
		}
	};
 
	const handleClose = (): void => {
		setBankReference('');
		setConfirmedAmount('');
		onClose();
	};
 
	return (
        <Dialog open={open} onClose={handleClose} fullWidth maxWidth="sm">
            <DialogTitle>Mark Disbursement as Disbursed</DialogTitle>
            <DialogContent>
				{disbursement !== null && (
					<Stack spacing={2} sx={{mt: 1}}>
						<Box>
							<Typography variant="caption" sx={{
                                color: "text.secondary"
                            }}>
								Disbursement #{disbursement.disbursementId} (Loan #{disbursement.loanId})
							</Typography>
							<Typography variant="body2">
								Loan amount: {formatMoney(disbursement.requestedAmount)}
							</Typography>
							<Typography variant="body2" sx={{
                                color: "text.secondary"
                            }}>
								Origination fee withheld: {formatMoney(disbursement.originationFee)}
							</Typography>
							<Typography variant="body2" sx={{fontWeight: 600}}>
								Net to wire: {formatMoney(disbursement.netDisbursementAmount ?? disbursement.requestedAmount)}
							</Typography>
						</Box>
						<TextField
							label="Bank Reference"
							value={bankReference}
							onChange={(e) => setBankReference(e.target.value)}
							required
							fullWidth
							helperText="External bank transfer / wire reference number"
						/>
						<TextField
							label="Disbursed Date"
							type="date"
							value={disbursedDate}
							onChange={(e) => setDisbursedDate(e.target.value)}
							required
							fullWidth
							slotProps={{
                                inputLabel: {shrink: true}
                            }}
						/>
						<TextField
							label="Confirmed Amount"
							value={confirmedAmount}
							onChange={(e) => setConfirmedAmount(e.target.value)}
							required
							fullWidth
							placeholder={disbursement.netDisbursementAmount ?? disbursement.requestedAmount}
							helperText="Actual amount wired — defaults to the net of the origination fee"
						/>
						{error !== undefined && (
							<Alert severity="error">
								Failed to mark disbursed. Check fields and try again.
							</Alert>
						)}
					</Stack>
				)}
			</DialogContent>
            <DialogActions>
				<Button onClick={handleClose} disabled={isLoading}>Cancel</Button>
				<Button
					onClick={handleSubmit}
					variant="contained"
					disabled={
						isLoading ||
						bankReference.trim() === '' ||
						disbursedDate === '' ||
						confirmedAmount.trim() === ''
					}
				>
					{isLoading ? 'Submitting…' : 'Confirm Disbursement'}
				</Button>
			</DialogActions>
        </Dialog>
    );
}
 
export default function AdminDisbursementsPage(): ReactElement {
	const [tab, setTab] = useState(0);
	const [dialogTarget, setDialogTarget] = useState<Disbursement | null>(null);
 
	const {data: pending, isLoading: pendingLoading} = useGetPendingDisbursementsQuery();
	const {data: history, isLoading: historyLoading} = useGetDisbursementHistoryQuery({});
 
	const pendingRows: Disbursement[] = pending ?? [];
	const historyRows: Disbursement[] = history?.disbursements ?? [];
 
	return (
        <Container maxWidth="lg" sx={{py: 4}}>
            <Typography variant="h4" gutterBottom>
				Disbursement Queue
			</Typography>
            <Typography
                variant="body2"
                sx={{
                    color: "text.secondary",
                    mb: 3
                }}>
				Manual queue for confirming external bank wires that fulfil approved loans.
				Mark each disbursement once the wire has been sent and confirmed.
			</Typography>
            <Paper>
				<Tabs value={tab} onChange={(_, v: number) => setTab(v)} sx={{borderBottom: 1, borderColor: 'divider'}}>
					<Tab label={`Pending (${pendingRows.length})`}/>
					<Tab label="History"/>
				</Tabs>
 
				<TabPanel value={tab} index={0}>
					{pendingLoading ? (
						<Box sx={{display: 'flex', justifyContent: 'center', py: 4}}>
							<CircularProgress/>
						</Box>
					) : pendingRows.length === 0 ? (
						<Box sx={{textAlign: 'center', py: 4}}>
							<Typography sx={{
                                color: "text.secondary"
                            }}>No disbursements pending.</Typography>
						</Box>
					) : (
						<TableContainer>
							<Table>
								<TableHead>
									<TableRow>
										<TableCell>ID</TableCell>
										<TableCell>Loan</TableCell>
										<TableCell align="right">Loan Amount</TableCell>
										<TableCell align="right">Origination Fee</TableCell>
										<TableCell align="right">Net to Wire</TableCell>
										<TableCell>Created</TableCell>
										<TableCell align="center">Actions</TableCell>
									</TableRow>
								</TableHead>
								<TableBody>
									{pendingRows.map((d) => (
										<TableRow key={d.disbursementId}>
											<TableCell>{d.disbursementId}</TableCell>
											<TableCell>#{d.loanId}</TableCell>
											<TableCell align="right">{formatMoney(d.requestedAmount)}</TableCell>
											<TableCell align="right">{formatMoney(d.originationFee)}</TableCell>
											<TableCell align="right">{formatMoney(d.netDisbursementAmount ?? d.requestedAmount)}</TableCell>
											<TableCell>{formatDate(d.createdAt)}</TableCell>
											<TableCell align="center">
												<Button
													size="small"
													variant="contained"
													onClick={() => setDialogTarget(d)}
												>
													Mark Disbursed
												</Button>
											</TableCell>
										</TableRow>
									))}
								</TableBody>
							</Table>
						</TableContainer>
					)}
				</TabPanel>
 
				<TabPanel value={tab} index={1}>
					{historyLoading ? (
						<Box sx={{display: 'flex', justifyContent: 'center', py: 4}}>
							<CircularProgress/>
						</Box>
					) : historyRows.length === 0 ? (
						<Box sx={{textAlign: 'center', py: 4}}>
							<Typography sx={{
                                color: "text.secondary"
                            }}>No disbursement history yet.</Typography>
						</Box>
					) : (
						<TableContainer>
							<Table>
								<TableHead>
									<TableRow>
										<TableCell>ID</TableCell>
										<TableCell>Loan</TableCell>
										<TableCell align="right">Confirmed</TableCell>
										<TableCell>Bank Ref</TableCell>
										<TableCell>Disbursed</TableCell>
										<TableCell>Status</TableCell>
									</TableRow>
								</TableHead>
								<TableBody>
									{historyRows.map((d) => (
										<TableRow key={d.disbursementId}>
											<TableCell>{d.disbursementId}</TableCell>
											<TableCell>#{d.loanId}</TableCell>
											<TableCell align="right">{formatMoney(d.confirmedAmount)}</TableCell>
											<TableCell>{d.bankReference ?? '—'}</TableCell>
											<TableCell>{formatDate(d.disbursedDate)}</TableCell>
											<TableCell>
												<Chip
													label={d.status}
													size="small"
													color={d.status === 'disbursed' ? 'success' : 'default'}
												/>
											</TableCell>
										</TableRow>
									))}
								</TableBody>
							</Table>
						</TableContainer>
					)}
				</TabPanel>
			</Paper>
            <MarkDisbursedDialog
				key={dialogTarget?.disbursementId ?? 'none'}
				open={dialogTarget !== null}
				disbursement={dialogTarget}
				onClose={() => setDialogTarget(null)}
			/>
        </Container>
    );
}