File size: 10,825 Bytes
db2ad38 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 | import React, { useState, useEffect, useRef } from 'react';
const WS_BASE = (import.meta.env.VITE_API_URL || 'http://localhost:8000').replace('http', 'ws');
const API_BASE = import.meta.env.VITE_API_URL || 'http://localhost:8000';
const DECISION_COLOR = {
APPROVED: 'var(--accent)',
REVIEW: 'var(--warning)',
BLOCKED: 'var(--danger)',
};
const DECISION_BG = {
APPROVED: 'rgba(0,228,117,0.1)',
REVIEW: 'rgba(255,179,0,0.1)',
BLOCKED: 'rgba(255,51,102,0.1)',
};
export default function MLGuard() {
const [events, setEvents] = useState([]);
const [connected, setConnected] = useState(false);
const [stats, setStats] = useState({ approved: 0, review: 0, blocked: 0, total: 0, avgScore: 0 });
const [refundResult, setRefundResult] = useState(null);
const [refundOrderId, setRefundOrderId] = useState('');
const wsRef = useRef(null);
const feedEndRef = useRef(null);
useEffect(() => {
connect();
return () => wsRef.current?.close();
}, []);
useEffect(() => {
feedEndRef.current?.scrollIntoView({ behavior: 'smooth' });
}, [events]);
const connect = () => {
try {
const ws = new WebSocket(`${WS_BASE}/ws/fraud-feed`);
wsRef.current = ws;
ws.onopen = () => setConnected(true);
ws.onclose = () => {
setConnected(false);
setTimeout(connect, 3000);
};
ws.onmessage = (e) => {
const ev = JSON.parse(e.data);
setEvents(prev => [...prev.slice(-79), ev]);
setStats(prev => {
const total = prev.total + 1;
const approved = prev.approved + (ev.decision === 'APPROVED' ? 1 : 0);
const review = prev.review + (ev.decision === 'REVIEW' ? 1 : 0);
const blocked = prev.blocked + (ev.decision === 'BLOCKED' ? 1 : 0);
const avgScore = (prev.avgScore * prev.total + ev.fraud_score) / total;
return { total, approved, review, blocked, avgScore };
});
};
} catch {
setTimeout(connect, 3000);
}
};
const runRefundTriage = async () => {
const oid = refundOrderId.trim() || 'HF-00001';
try {
const res = await fetch(`${API_BASE}/api/ml/refund-triage?order_id=${encodeURIComponent(oid)}`);
setRefundResult(await res.json());
} catch {
setRefundResult({ error: 'Backend not reachable. Make sure FastAPI is running.' });
}
};
return (
<div className="page">
{/* Header */}
<div className="page-header">
<div>
<div className="page-title">ML Guard</div>
<div className="page-subtitle">
FraudGuard v2 路 COD Gatekeeper 路 Rider Theft Sentinel 路 Semantic Refund Checker
</div>
</div>
<div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
<span className="status-dot" style={{ background: connected ? 'var(--accent)' : 'var(--danger)' }} />
<span style={{ fontSize: 12, color: connected ? 'var(--accent)' : 'var(--danger)', fontWeight: 600 }}>
{connected ? 'Feed Live' : 'Connecting...'}
</span>
</div>
</div>
{/* KPI row */}
<div className="grid-4">
<div className="kpi-card">
<div className="kpi-label">Scored Today</div>
<div className="kpi-value">{stats.total}</div>
<div className="kpi-change">orders processed</div>
</div>
<div className="kpi-card">
<div className="kpi-label">Approved</div>
<div className="kpi-value" style={{ color: 'var(--accent)' }}>{stats.approved}</div>
<div className="kpi-change">{stats.total ? ((stats.approved / stats.total) * 100).toFixed(0) : 0}% pass rate</div>
</div>
<div className="kpi-card">
<div className="kpi-label">Flagged / Review</div>
<div className="kpi-value" style={{ color: 'var(--warning)' }}>{stats.review}</div>
<div className="kpi-change">manual queue</div>
</div>
<div className="kpi-card">
<div className="kpi-label">Blocked</div>
<div className="kpi-value" style={{ color: 'var(--danger)' }}>{stats.blocked}</div>
<div className="kpi-change">avg score {stats.avgScore.toFixed(3)}</div>
</div>
</div>
<div style={{ display: 'grid', gridTemplateColumns: '1fr 320px', gap: 16, flex: 1, minHeight: 0 }}>
{/* Live fraud feed */}
<div className="glass" style={{ overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
<div style={{ padding: '14px 18px', borderBottom: '1px solid var(--border-glass)', flexShrink: 0, display: 'flex', alignItems: 'center', gap: 8 }}>
<span style={{ fontSize: 11, fontWeight: 600, textTransform: 'uppercase', letterSpacing: '0.06em', color: 'var(--on-surface-variant)', flex: 1 }}>
Live Fraud Scoring Feed
</span>
<span className="badge badge-gray">FraudGuard v2 路 {connected ? 'streaming' : 'offline'}</span>
</div>
<div style={{ flex: 1, overflowY: 'auto', padding: '8px 14px', display: 'flex', flexDirection: 'column', gap: 5 }}>
{events.length === 0 ? (
<div style={{ color: 'var(--on-surface-variant)', fontSize: 13, padding: '20px 0', textAlign: 'center' }}>
Connecting to fraud detection WebSocket...
</div>
) : events.map((ev, i) => (
<FraudRow key={i} ev={ev} />
))}
<div ref={feedEndRef} />
</div>
</div>
{/* Refund triage panel */}
<div className="glass" style={{ padding: 20, display: 'flex', flexDirection: 'column', gap: 16 }}>
<div>
<div style={{ fontSize: 12, fontWeight: 600, textTransform: 'uppercase', letterSpacing: '0.06em', color: 'var(--on-surface-variant)', marginBottom: 10 }}>
Refund Triage
</div>
<p style={{ fontSize: 12, color: 'var(--on-surface-variant)', lineHeight: 1.6, marginBottom: 12 }}>
Semantic plausibility checker + SLA penalty engine. Auto-approves, flags for manual review, or escalates.
</p>
<input
style={{ width: '100%', background: 'var(--surface)', border: '1px solid var(--border-glass)', borderRadius: 8, padding: '9px 12px', fontSize: 12, color: 'var(--on-surface)', outline: 'none', fontFamily: 'var(--font-mono)', marginBottom: 8 }}
placeholder="Order ID (e.g. HF-00001)"
value={refundOrderId}
onChange={e => setRefundOrderId(e.target.value)}
onKeyDown={e => e.key === 'Enter' && runRefundTriage()}
/>
<button className="btn btn-primary" style={{ width: '100%', justifyContent: 'center', fontSize: 12 }} onClick={runRefundTriage}>
Run Triage
</button>
</div>
{refundResult && !refundResult.error && (
<div style={{ background: 'rgba(255,255,255,0.02)', border: '1px solid var(--border-glass)', borderRadius: 10, padding: 14 }}>
<div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: 10 }}>
<span style={{ fontSize: 12, fontFamily: 'var(--font-mono)' }}>{refundResult.order_id}</span>
<span style={{
fontSize: 11, fontWeight: 700, padding: '3px 8px', borderRadius: 5,
background: refundResult.decision === 'AUTO_APPROVE' ? 'rgba(0,228,117,0.15)' : refundResult.decision === 'MANUAL_REVIEW' ? 'rgba(255,179,0,0.15)' : 'rgba(255,51,102,0.15)',
color: refundResult.decision === 'AUTO_APPROVE' ? 'var(--accent)' : refundResult.decision === 'MANUAL_REVIEW' ? 'var(--warning)' : 'var(--danger)',
}}>
{refundResult.decision}
</span>
</div>
<div style={{ fontSize: 12, color: 'var(--on-surface-variant)', marginBottom: 6 }}>
Confidence: <span style={{ fontFamily: 'var(--font-mono)', color: 'var(--on-surface)' }}>{refundResult.confidence}</span>
</div>
<div style={{ fontSize: 12, color: 'var(--on-surface-variant)', marginBottom: 8 }}>
Escrow: <span style={{ fontFamily: 'var(--font-mono)', color: refundResult.escrow_action === 'RELEASE' ? 'var(--accent)' : 'var(--warning)' }}>{refundResult.escrow_action}</span>
</div>
<div style={{ display: 'flex', gap: 5, flexWrap: 'wrap' }}>
{refundResult.detected_reasons?.map(r => (
<span key={r} className="badge badge-orange">{r}</span>
))}
</div>
<div style={{ fontSize: 10, color: 'var(--on-surface-variant)', marginTop: 10, lineHeight: 1.5 }}>
{refundResult.model}
</div>
</div>
)}
{refundResult?.error && (
<div className="badge badge-red" style={{ padding: '8px 12px', borderRadius: 8, fontSize: 11 }}>
{refundResult.error}
</div>
)}
</div>
</div>
</div>
);
}
function FraudRow({ ev }) {
return (
<div style={{
display: 'flex',
alignItems: 'center',
gap: 10,
padding: '8px 10px',
background: 'rgba(255,255,255,0.02)',
border: `1px solid ${DECISION_BG[ev.decision] || 'var(--border-glass)'}`,
borderLeft: `3px solid ${DECISION_COLOR[ev.decision] || 'var(--border-glass)'}`,
borderRadius: 8,
}}>
<span style={{ fontSize: 10, fontFamily: 'var(--font-mono)', color: 'var(--on-surface-variant)', width: 50, flexShrink: 0 }}>
{ev.timestamp?.slice(11, 19)}
</span>
<span style={{ fontSize: 11, fontFamily: 'var(--font-mono)', color: 'var(--primary)', width: 90, flexShrink: 0 }}>
{ev.order_id}
</span>
<span style={{ fontSize: 12, flex: 1, whiteSpace: 'nowrap', overflow: 'hidden', textOverflow: 'ellipsis' }}>
{ev.restaurant}
</span>
<span style={{ fontSize: 11, fontFamily: 'var(--font-mono)', color: 'var(--on-surface-variant)', width: 55, flexShrink: 0, textAlign: 'right' }}>
Rs {ev.order_value?.toFixed(0)}
</span>
<span style={{ fontSize: 10, fontFamily: 'var(--font-mono)', width: 50, flexShrink: 0, textAlign: 'right', color: ev.fraud_score > 0.5 ? 'var(--danger)' : ev.fraud_score > 0.25 ? 'var(--warning)' : 'var(--accent)' }}>
{ev.fraud_score?.toFixed(3)}
</span>
<span style={{
fontSize: 9, fontWeight: 700, padding: '2px 6px', borderRadius: 4,
background: DECISION_BG[ev.decision], color: DECISION_COLOR[ev.decision],
fontFamily: 'var(--font-mono)', letterSpacing: '0.04em', flexShrink: 0,
}}>
{ev.decision}
</span>
</div>
);
}
|