'use client'; import React, { useState, useMemo } from 'react'; import { Scale, ShieldCheck, ShieldAlert, AlertTriangle, FileCheck2, CheckCircle2, Search, Filter, Download, Printer, ExternalLink, Eye, Camera, Layers, BarChart3, TrendingUp, RefreshCw, Clock, ArrowRight, ZoomIn, ZoomOut, X, FileSpreadsheet, Cpu, Fingerprint, FileCheck, Scan } from 'lucide-react'; import { POLITICAL_PARTIES, NIGERIAN_STATES } from '@/lib/electoralData'; import { ForensicOcrReport, runOcrForensicComparison } from '@/lib/ocrAnalysis'; interface AuditRecord { puCode: string; puName: string; state: string; lga: string; ward: string; registeredVoters: number; bvasAccredited: number; agentVotes: { ADC: number; APC: number; PDP: number; LP: number; NNPP: number; SDP: number }; irevVotes: { ADC: number; APC: number; PDP: number; LP: number; NNPP: number; SDP: number }; agentPhotoUrl: string; irevPhotoUrl: string; agentSigned: boolean; agentName: string; signedAt: string; irevUploadedAt: string; status: 'MATCH' | 'VARIANCE' | 'OVER_VOTING' | 'PENDING_IREV'; notes: string; } // Statistically representative sample of PUs for PVT & IReV Audit Desk const SAMPLE_AUDIT_DATA: AuditRecord[] = [ { puCode: '24-11-01-001', puName: 'Governor Office Gate / Secretariat Alausa', state: 'Lagos', lga: 'Ikeja', ward: 'Alausa', registeredVoters: 750, bvasAccredited: 465, agentVotes: { ADC: 245, APC: 155, LP: 53, PDP: 7, NNPP: 5, SDP: 0 }, irevVotes: { ADC: 245, APC: 155, LP: 53, PDP: 7, NNPP: 5, SDP: 0 }, agentPhotoUrl: '/sample_ec8a_snap.jpg', irevPhotoUrl: '/sample_ec8a_snap.jpg', agentSigned: true, agentName: 'Ibrahim Danjuma', signedAt: '04:45 PM', irevUploadedAt: '05:12 PM', status: 'MATCH', notes: '100% mathematical match between signed physical Form EC8A and INEC IReV upload.', }, { puCode: '24-11-01-002', puName: 'Central Primary School Compound, Alausa', state: 'Lagos', lga: 'Ikeja', ward: 'Alausa', registeredVoters: 820, bvasAccredited: 510, agentVotes: { ADC: 295, APC: 160, LP: 45, PDP: 5, NNPP: 3, SDP: 2 }, irevVotes: { ADC: 215, APC: 240, LP: 45, PDP: 5, NNPP: 3, SDP: 2 }, agentPhotoUrl: '/sample_ec8a_snap.jpg', irevPhotoUrl: 'https://images.unsplash.com/photo-1568602471122-7832951cc4c5?auto=format&fit=crop&q=80&w=1000', agentSigned: true, agentName: 'Babatunde Fashola Jr.', signedAt: '05:10 PM', irevUploadedAt: '06:30 PM', status: 'VARIANCE', notes: 'CRITICAL TAMPERING: INEC IReV scraped upload reduced ADC by 80 votes and inflated APC by 80 votes.', }, { puCode: '21-06-01-001', puName: 'Birnin Kebbi Model Primary School PU 001', state: 'Kebbi', lga: 'Birnin Kebbi', ward: 'Nassarawa I', registeredVoters: 720, bvasAccredited: 420, agentVotes: { ADC: 260, APC: 120, PDP: 30, LP: 5, NNPP: 3, SDP: 2 }, irevVotes: { ADC: 260, APC: 120, PDP: 30, LP: 5, NNPP: 3, SDP: 2 }, agentPhotoUrl: '/sample_ec8a_snap.jpg', irevPhotoUrl: '/sample_ec8a_snap.jpg', agentSigned: true, agentName: 'Usman Bello', signedAt: '04:30 PM', irevUploadedAt: '05:00 PM', status: 'MATCH', notes: 'Verified match. Clear Form EC8A copy endorsed by all polling agents.', }, { puCode: '37-06-01-001', puName: 'City Centre Open Space, Area 1 Garki', state: 'FCT (Abuja)', lga: 'Municipal Area Council (AMAC)', ward: 'City Centre', registeredVoters: 850, bvasAccredited: 490, agentVotes: { ADC: 310, APC: 95, LP: 70, PDP: 10, NNPP: 2, SDP: 3 }, irevVotes: { ADC: 310, APC: 95, LP: 70, PDP: 10, NNPP: 2, SDP: 3 }, agentPhotoUrl: '/sample_ec8a_snap.jpg', irevPhotoUrl: '/sample_ec8a_snap.jpg', agentSigned: true, agentName: 'Chidinma Okafor', signedAt: '04:55 PM', irevUploadedAt: '05:25 PM', status: 'MATCH', notes: 'Federal Capital Territory flagship unit: 100% verified transmission.', }, { puCode: '20-12-01-003', puName: 'Fagge Model Nursery/Primary School PU 03', state: 'Kano', lga: 'Fagge', ward: 'Fagge A', registeredVoters: 600, bvasAccredited: 340, agentVotes: { ADC: 140, NNPP: 110, APC: 75, PDP: 10, LP: 3, SDP: 2 }, irevVotes: { ADC: 140, NNPP: 110, APC: 195, PDP: 10, LP: 3, SDP: 2 }, agentPhotoUrl: '/sample_ec8a_snap.jpg', irevPhotoUrl: 'https://images.unsplash.com/photo-1568602471122-7832951cc4c5?auto=format&fit=crop&q=80&w=1000', agentSigned: true, agentName: 'Haruna Sanusi', signedAt: '05:20 PM', irevUploadedAt: '07:15 PM', status: 'OVER_VOTING', notes: 'SECTION 51 VIOLATION: IReV uploaded tally (460 votes) exceeds BVAS accreditation (340) by +120 votes. Void under Sec 51(2).', }, { puCode: '33-22-01-005', puName: 'Township Primary School Block B, Port Harcourt', state: 'Rivers', lga: 'Port Harcourt', ward: 'Township', registeredVoters: 780, bvasAccredited: 450, agentVotes: { ADC: 270, APC: 110, PDP: 50, LP: 15, NNPP: 2, SDP: 3 }, irevVotes: { ADC: 0, APC: 0, PDP: 0, LP: 0, NNPP: 0, SDP: 0 }, agentPhotoUrl: '/sample_ec8a_snap.jpg', irevPhotoUrl: '', agentSigned: true, agentName: 'Tamuno Briggs', signedAt: '05:40 PM', irevUploadedAt: 'PENDING', status: 'PENDING_IREV', notes: 'Field agent submitted signed Form EC8A. INEC IReV portal has NOT uploaded EC8A after 4+ hours.', }, ]; interface Props { onOpenCourtModal?: () => void; } export const PvtAuditDesk: React.FC = ({ onOpenCourtModal }) => { const [searchTerm, setSearchTerm] = useState(''); const [statusFilter, setStatusFilter] = useState<'ALL' | 'MATCH' | 'VARIANCE' | 'OVER_VOTING' | 'PENDING_IREV'>('ALL'); const [inspectedRecord, setInspectedRecord] = useState(null); const [zoomLevel, setZoomLevel] = useState(1); const [ocrLoading, setOcrLoading] = useState(false); const [ocrReport, setOcrReport] = useState(null); const handleRunOcr = async (record: AuditRecord) => { setOcrLoading(true); setOcrReport(null); try { const res = await fetch('/api/analyze-ec8a', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ puCode: record.puCode, puName: record.puName, agentPhotoUrl: record.agentPhotoUrl, irevPhotoUrl: record.irevPhotoUrl, agentVotes: record.agentVotes, irevVotes: record.irevVotes, bvasAccredited: record.bvasAccredited, }), }); const data = await res.json(); if (data.success && data.report) { setOcrReport(data.report); } else { const fallback = await runOcrForensicComparison({ puCode: record.puCode, puName: record.puName, agentPhotoUrl: record.agentPhotoUrl, irevPhotoUrl: record.irevPhotoUrl, agentVotes: record.agentVotes, irevVotes: record.irevVotes, bvasAccredited: record.bvasAccredited, }); setOcrReport(fallback); } } catch { const fallback = await runOcrForensicComparison({ puCode: record.puCode, puName: record.puName, agentPhotoUrl: record.agentPhotoUrl, irevPhotoUrl: record.irevPhotoUrl, agentVotes: record.agentVotes, irevVotes: record.irevVotes, bvasAccredited: record.bvasAccredited, }); setOcrReport(fallback); } finally { setOcrLoading(false); } }; const handleDownloadCertificate = (report: ForensicOcrReport) => { const certText = `================================================================================ PRESIDENTIAL ELECTION 2027 • FORENSIC INTEGRITY CERTIFICATE IN COMPLIANCE WITH SECTION 84 OF EVIDENCE ACT 2011 & ELECTORAL ACT 2022 ================================================================================ EXHIBIT CODE: ${report.tribunalExhibitCode} POLLING UNIT: ${report.puCode} - ${report.puName} ANALYSIS TIMESTAMP: ${report.analysisTimestamp} FORENSIC SHA-256 DIGITAL HASH: ${report.forensicHash} OPTICAL OCR CONFIDENCE: ${report.overallConfidence}% BVAS ACCREDITED VOTERS: ${report.bvasAccredited} VERDICT: ${report.verdict} SUMMARY STATEMENT: ${report.summaryStatement} -------------------------------------------------------------------------------- PARTY-BY-PARTY OCR VARIANCE BREAKDOWN: -------------------------------------------------------------------------------- PARTY | AGENT PHYSICAL EC8A | INEC IREV UPLOAD | VARIANCE | OCR CONFIDENCE ADC | ${report.partyBreakdown.find(p => p.party === 'ADC')?.agentPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'ADC')?.irevPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'ADC')?.variance ?? 0} | ${report.partyBreakdown.find(p => p.party === 'ADC')?.confidenceScore ?? 0}% APC | ${report.partyBreakdown.find(p => p.party === 'APC')?.agentPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'APC')?.irevPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'APC')?.variance ?? 0} | ${report.partyBreakdown.find(p => p.party === 'APC')?.confidenceScore ?? 0}% PDP | ${report.partyBreakdown.find(p => p.party === 'PDP')?.agentPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'PDP')?.irevPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'PDP')?.variance ?? 0} | ${report.partyBreakdown.find(p => p.party === 'PDP')?.confidenceScore ?? 0}% LP | ${report.partyBreakdown.find(p => p.party === 'LP')?.agentPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'LP')?.irevPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'LP')?.variance ?? 0} | ${report.partyBreakdown.find(p => p.party === 'LP')?.confidenceScore ?? 0}% NNPP | ${report.partyBreakdown.find(p => p.party === 'NNPP')?.agentPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'NNPP')?.irevPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'NNPP')?.variance ?? 0} | ${report.partyBreakdown.find(p => p.party === 'NNPP')?.confidenceScore ?? 0}% SDP | ${report.partyBreakdown.find(p => p.party === 'SDP')?.agentPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'SDP')?.irevPhotoDigit ?? 0} | ${report.partyBreakdown.find(p => p.party === 'SDP')?.variance ?? 0} | ${report.partyBreakdown.find(p => p.party === 'SDP')?.confidenceScore ?? 0}% TOTAL VALID VOTES (AGENT): ${report.totalValidVotesAgent} TOTAL VALID VOTES (IREV): ${report.totalValidVotesIrev} OVERALL VARIANCE DETECTED: ${report.overallVarianceDetected ? 'YES (' + report.varianceMagnitude + ' VOTES DISCREPANCY)' : 'NO (100% MATCH)'} DIGITAL CERTIFICATION: This document is generated by GetoCore Digital Forensics Subsystem for the Presidential Campaign of His Excellency Atiku Abubakar (ADC 🤝). This forensic audit trail is admissible in the Presidential Election Petitions Court as computer-generated evidence under Section 84 of the Evidence Act 2011. ================================================================================`; const blob = new Blob([certText], { type: 'text/plain;charset=utf-8' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = `FORENSIC_OCR_CERTIFICATE_${report.tribunalExhibitCode.replace('#', '')}.txt`; document.body.appendChild(a); a.click(); document.body.removeChild(a); URL.revokeObjectURL(url); }; // Filtered records const filteredRecords = useMemo(() => { return SAMPLE_AUDIT_DATA.filter((r) => { const matchSearch = r.puCode.toLowerCase().includes(searchTerm.toLowerCase()) || r.puName.toLowerCase().includes(searchTerm.toLowerCase()) || r.state.toLowerCase().includes(searchTerm.toLowerCase()) || r.lga.toLowerCase().includes(searchTerm.toLowerCase()); const matchStatus = statusFilter === 'ALL' || r.status === statusFilter; return matchSearch && matchStatus; }); }, [searchTerm, statusFilter]); // Summary Metrics const totalAudited = SAMPLE_AUDIT_DATA.length; const matchCount = SAMPLE_AUDIT_DATA.filter((r) => r.status === 'MATCH').length; const varianceCount = SAMPLE_AUDIT_DATA.filter((r) => r.status === 'VARIANCE').length; const overVotingCount = SAMPLE_AUDIT_DATA.filter((r) => r.status === 'OVER_VOTING').length; const pendingIrevCount = SAMPLE_AUDIT_DATA.filter((r) => r.status === 'PENDING_IREV').length; const handleExportCsv = () => { const headers = [ 'PU_Code', 'PU_Name', 'State', 'LGA', 'Ward', 'BVAS_Accredited', 'Agent_ADC_Votes', 'Agent_APC_Votes', 'Agent_PDP_Votes', 'Agent_LP_Votes', 'IReV_ADC_Votes', 'IReV_APC_Votes', 'IReV_PDP_Votes', 'IReV_LP_Votes', 'Audit_Status', 'Agent_Signed', 'Agent_Name', 'Signed_At', 'IReV_Uploaded_At', 'Audit_Notes', ]; const rows = filteredRecords.map((r) => [ r.puCode, `"${r.puName}"`, r.state, r.lga, r.ward, r.bvasAccredited, r.agentVotes.ADC, r.agentVotes.APC, r.agentVotes.PDP, r.agentVotes.LP, r.irevVotes.ADC, r.irevVotes.APC, r.irevVotes.PDP, r.irevVotes.LP, r.status, r.agentSigned ? 'YES' : 'NO', `"${r.agentName}"`, r.signedAt, r.irevUploadedAt, `"${r.notes.replace(/"/g, '""')}"`, ]); const csvContent = 'data:text/csv;charset=utf-8,' + [headers.join(','), ...rows.map((e) => e.join(','))].join('\n'); const encodedUri = encodeURI(csvContent); const link = document.createElement('a'); link.setAttribute('href', encodedUri); link.setAttribute('download', `PVT_EC8A_VS_IREV_AUDIT_${Date.now()}.csv`); document.body.appendChild(link); link.click(); document.body.removeChild(link); }; return (
{/* Top Banner: PVT & Audit Desk Overview */}

PVT & Form EC8A vs INEC IReV Audit Desk

99% Confidence Interval

Parallel Vote Tabulation (PVT) statistical projection vs official collation, with side-by-side verification between Field Agent Signed Form EC8A sheets and scraped INEC IReV uploads.

{onOpenCourtModal && ( )}
{/* PVT Statistical Projection Grid */}
Sample Polling Units 5,000 PUs Stratified across 36 States + FCT
Margin of Error ± 1.2% At 99% statistical confidence
PVT Projected Turnout 39.4% Reported Collation: 38.1%
PVT Projected Winner H.E. ATIKU ABUBAKAR ADC Projected: 46.8% (±1.2%)
{/* PVT Projected Share vs Scraped IReV Bar */}
PVT Stratified Projections vs Official Collation Confidence Range: ADC [45.6% - 48.0%] • APC [32.8% - 35.2%]
{/* Stacked Proportional Bar */}
ADC: 46.8% (14.2M proj.) APC: 34.0% (10.3M proj.) PDP: 10.2% (3.1M proj.) LP: 6.9% (2.1M proj.)
{/* Audit Matrix Controls */}
{/* Search Input */}
setSearchTerm(e.target.value)} placeholder="Search PU code, Polling Unit name, LGA, or State..." className="w-full pl-9 pr-3 py-2 bg-slate-900 border border-slate-800 rounded-xl text-xs text-white placeholder-slate-500 focus:outline-none focus:border-amber-500 transition" />
{/* Status Filter Buttons */}
{/* Audit Comparison Cards */}
{filteredRecords.map((record) => { const isMatch = record.status === 'MATCH'; const isVariance = record.status === 'VARIANCE'; const isOverVoting = record.status === 'OVER_VOTING'; const isPending = record.status === 'PENDING_IREV'; const adcVariance = record.agentVotes.ADC - record.irevVotes.ADC; const apcVariance = record.agentVotes.APC - record.irevVotes.APC; return (
{/* Card Header */}
{record.puCode} • {record.puName} {record.lga}, {record.state}
{/* Status Badges */}
{isMatch && ( VERIFIED MATCH (100%) )} {isVariance && ( VARIANCE DETECTED )} {isOverVoting && ( SECTION 51 OVER-VOTING )} {isPending && ( PENDING IREV TRANSMISSION )}
{/* Side-by-Side Comparison Columns */}
{/* Column 1: Field Agent Form EC8A */}
Field Agent Signed EC8A Signed: {record.signedAt} by {record.agentName}
ADC {record.agentVotes.ADC}
APC {record.agentVotes.APC}
PDP {record.agentVotes.PDP}
LP {record.agentVotes.LP}
BVAS Accredited: {record.bvasAccredited} Agent Affidavit Affirmed
{/* Column 2: Scraped INEC IReV Upload */}
INEC IReV Portal Scraped Data Uploaded: {record.irevUploadedAt}
{isPending ? (
No Form EC8A uploaded to INEC IReV yet. Awaiting server transmission...
) : (
ADC {record.irevVotes.ADC} {adcVariance !== 0 && ( {adcVariance > 0 ? `-${adcVariance}` : `+${Math.abs(adcVariance)}`} )}
APC {record.irevVotes.APC} {apcVariance !== 0 && ( {apcVariance > 0 ? `-${apcVariance}` : `+${Math.abs(apcVariance)}`} )}
PDP {record.irevVotes.PDP}
LP {record.irevVotes.LP}
)}
{record.notes} IReV Link
); })}
{/* Side-by-Side Detailed Inspection Modal */} {inspectedRecord && (
{/* Modal Header */}

Forensic Audit: PU {inspectedRecord.puCode}

{inspectedRecord.puName} • {inspectedRecord.lga}, {inspectedRecord.state}

{/* Side-by-Side Photos */}
Field Agent Physical Form EC8A Signed & Witnessed
Agent Signed EC8A
Official INEC IReV Scraped Upload Portal Capture
{inspectedRecord.irevPhotoUrl ? ( INEC IReV Form ) : (
No image transmitted to INEC IReV portal yet.
)}
{/* Zoom Controls */}
{Math.round(zoomLevel * 100)}%
{/* Automated Forensic OCR Analysis Suite */}

Automated Form EC8A OCR & CV Forensic Extraction Evidence Act Sec 84

Optical character recognition comparing party rows against INEC server pixels.

{ocrReport && ( )}
{/* OCR Report View */} {ocrReport && (
Optical Confidence {ocrReport.overallConfidence}%
Audit Verdict {ocrReport.verdict.replace(/_/g, ' ')}
Net Variance 0 ? 'text-red-400' : 'text-slate-200'}`}> {ocrReport.varianceMagnitude > 0 ? `${ocrReport.varianceMagnitude} Votes` : '0 Votes'}
Exhibit Code {ocrReport.tribunalExhibitCode}
{/* Party Table Breakdown */}
{ocrReport.partyBreakdown.map((row) => ( ))}
Party Agent OCR Digit INEC IReV OCR Digit Variance Confidence Status
{row.party} {row.agentPhotoDigit} {row.irevPhotoDigit} {row.variance === 0 ? '0' : row.variance > 0 ? `+${row.variance}` : row.variance} {row.confidenceScore}% {row.discrepancyFlag ? ( TAMPERED ) : ( MATCHED )}
{/* SHA-256 Digital Stamp */}
SHA-256 Digital Stamp: {ocrReport.forensicHash} Court Submissible Evidence
)}
{/* Audit Notes & Exhibit Actions */}
Forensic Findings:

{inspectedRecord.notes}

{onOpenCourtModal && ( )}
)}
); };