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214import { useMemo, useState } from 'react';
import { Button } from '@/components/ui/button';
import { ShieldAlert, ShieldCheck, XCircle, ChevronDown, ChevronRight, Eye, EyeOff, Loader2 } from 'lucide-react';
import type { PIIFinding } from '@/types/pipeline-viewer';
type PanelState = 'scanning' | 'awaiting' | 'approved' | 'denied' | 'clean' | 'error';
interface PiiReviewPanelProps {
state: PanelState;
findings: PIIFinding[];
error?: string | null;
onDecision: (decision: 'approved' | 'denied') => void;
}
const ENTITY_LABELS: Record<string, string> = {
EMAIL_ADDRESS: 'Email address',
PHONE_NUMBER: 'Phone number',
US_SSN: 'Social security number',
CREDIT_CARD: 'Credit card',
IBAN_CODE: 'Bank account (IBAN)',
US_DRIVER_LICENSE: "Driver's license",
};
function maskSnippet(text: string, entityType: string): string {
if (entityType === 'EMAIL_ADDRESS') {
const at = text.indexOf('@');
if (at <= 0) return '***';
return `${text[0]}${'*'.repeat(Math.max(1, at - 1))}${text.slice(at)}`;
}
if (text.length <= 4) return '*'.repeat(text.length);
return `${text.slice(0, 2)}${'*'.repeat(text.length - 4)}${text.slice(-2)}`;
}
export function PiiReviewPanel({ state, findings, error, onDecision }: PiiReviewPanelProps) {
const [expanded, setExpanded] = useState<Record<string, boolean>>({});
const [revealed, setRevealed] = useState(false);
const grouped = useMemo(() => {
const map = new Map<string, PIIFinding[]>();
for (const f of findings) {
const list = map.get(f.entity_type) ?? [];
list.push(f);
map.set(f.entity_type, list);
}
return Array.from(map.entries()).sort((a, b) => b[1].length - a[1].length);
}, [findings]);
if (state === 'scanning') {
return (
<div className="h-full flex items-center justify-center p-8">
<div className="flex flex-col items-center gap-3 text-center max-w-md">
<Loader2 className="w-8 h-8 animate-spin text-uic-blue" aria-hidden="true" />
<h2 className="text-base font-semibold text-gray-900">Scanning for sensitive information</h2>
<p className="text-sm text-muted-foreground">
Presidio is scanning the document text for patterns that may be personally
identifiable information (emails, phone numbers, SSNs, card numbers). The
pipeline will pause here if anything is flagged.
</p>
</div>
</div>
);
}
if (state === 'error') {
return (
<div className="h-full flex items-center justify-center p-8">
<div className="flex flex-col items-center gap-3 text-center max-w-md">
<XCircle className="w-8 h-8 text-red-600" aria-hidden="true" />
<h2 className="text-base font-semibold text-gray-900">PII scan failed</h2>
<p className="text-sm text-muted-foreground">{error ?? 'Unknown error'}</p>
<p className="text-xs text-muted-foreground">
The pipeline is continuing without a completed PII check. Review the output
carefully before sharing.
</p>
</div>
</div>
);
}
if (state === 'clean') {
return (
<div className="h-full flex items-center justify-center p-8">
<div className="flex flex-col items-center gap-3 text-center max-w-md">
<ShieldCheck className="w-8 h-8 text-green-600" aria-hidden="true" />
<h2 className="text-base font-semibold text-gray-900">No sensitive information detected</h2>
<p className="text-sm text-muted-foreground">
The pattern-based scan found no emails, phone numbers, or similar identifiers.
False negatives are possible — review the output before sharing.
</p>
</div>
</div>
);
}
if (state === 'approved' || state === 'awaiting' || state === 'denied') {
const heading =
state === 'denied'
? 'Processing cancelled'
: state === 'approved'
? 'Processing continuing with flagged content'
: 'Potentially sensitive information detected';
const Icon = state === 'denied' ? XCircle : ShieldAlert;
const iconColor = state === 'denied' ? 'text-red-600' : 'text-amber-600';
return (
<div className="h-full overflow-y-auto">
<div className="max-w-2xl mx-auto p-6 flex flex-col gap-4">
<div className="flex items-start gap-3">
<Icon className={`w-7 h-7 shrink-0 mt-0.5 ${iconColor}`} aria-hidden="true" />
<div>
<h2 className="text-base font-semibold text-gray-900">{heading}</h2>
<p className="text-sm text-muted-foreground mt-1">
{findings.length} match{findings.length === 1 ? '' : 'es'} from a pattern-based
scan (Microsoft Presidio). False positives are possible.
</p>
</div>
</div>
<div className="border rounded-lg bg-white">
<div className="flex items-center justify-between px-4 py-2 border-b">
<h3 className="text-sm font-medium text-gray-900">Findings</h3>
<button
onClick={() => setRevealed((v) => !v)}
className="text-xs text-uic-blue hover:underline inline-flex items-center gap-1"
>
{revealed ? (
<>
<EyeOff className="w-3.5 h-3.5" aria-hidden="true" />
Mask matches
</>
) : (
<>
<Eye className="w-3.5 h-3.5" aria-hidden="true" />
Show matches
</>
)}
</button>
</div>
<ul className="divide-y">
{grouped.map(([entityType, items]) => {
const open = expanded[entityType] ?? false;
const label = ENTITY_LABELS[entityType] ?? entityType;
return (
<li key={entityType}>
<button
onClick={() => setExpanded((s) => ({ ...s, [entityType]: !open }))}
className="w-full flex items-center justify-between px-4 py-2 hover:bg-gray-50"
aria-expanded={open}
>
<span className="flex items-center gap-2 text-sm font-medium text-gray-900">
{open ? (
<ChevronDown className="w-3.5 h-3.5 text-muted-foreground" aria-hidden="true" />
) : (
<ChevronRight className="w-3.5 h-3.5 text-muted-foreground" aria-hidden="true" />
)}
{label}
</span>
<span className="text-xs text-muted-foreground">
{items.length} match{items.length === 1 ? '' : 'es'}
</span>
</button>
{open && (
<ul className="px-4 pb-2 space-y-1 text-xs font-mono text-gray-700">
{items.slice(0, 50).map((f, idx) => (
<li key={idx} className="flex items-center justify-between gap-2 py-0.5">
<span className="truncate">
{revealed ? f.text : maskSnippet(f.text, f.entity_type)}
</span>
<span className="text-[10px] text-muted-foreground shrink-0">
{Math.round(f.score * 100)}%
</span>
</li>
))}
{items.length > 50 && (
<li className="text-[11px] text-muted-foreground py-0.5">
+ {items.length - 50} more
</li>
)}
</ul>
)}
</li>
);
})}
</ul>
</div>
{state === 'awaiting' && (
<div className="flex items-center justify-end gap-2 pt-2">
<Button variant="outline" onClick={() => onDecision('denied')}>
Cancel processing
</Button>
<Button onClick={() => onDecision('approved')}>
Continue anyway
</Button>
</div>
)}
{state === 'approved' && (
<p className="text-xs text-muted-foreground">
You chose to continue. Processing is resuming with the flagged content.
</p>
)}
{state === 'denied' && (
<p className="text-xs text-muted-foreground">
You cancelled processing. No document data was sent to the AI pipeline.
</p>
)}
</div>
</div>
);
}
return null;
}