Rentenversicherer/components/ReviewPanel.tsx
Kenearos d6cab4aeb5 feat: Improve file preview with Blob URLs
Utilize `URL.createObjectURL` for richer file previews, especially for PDFs. This approach provides better compatibility and performance compared to Base64 previews.

Introduces memory leak prevention by revoking Blob URLs when the component unmounts or the app resets.
2026-02-06 14:29:07 +01:00

552 lines
24 KiB
TypeScript

import React, { useState, useEffect, useMemo, useRef } from 'react';
import { ExtractedField, FileData } from '../types';
import { Check, Edit2, Download, RefreshCw, FileText, AlertTriangle, XCircle, ArrowRight, PenTool, CheckCircle2, Circle, LayoutTemplate, List, Move, ExternalLink } from 'lucide-react';
import { createFilledPdf } from '../services/pdfService';
import { jsPDF } from "jspdf";
interface ReviewPanelProps {
fields: ExtractedField[];
formFile: FileData;
sourceFile: FileData;
summary: string;
isFillablePdf: boolean;
onReset: () => void;
}
export const ReviewPanel: React.FC<ReviewPanelProps> = ({
fields: initialFields,
formFile,
sourceFile,
summary,
isFillablePdf,
onReset
}) => {
const [fields, setFields] = useState(initialFields);
const [activeField, setActiveField] = useState<number | null>(null);
const [previewUrl, setPreviewUrl] = useState<string | null>(null);
const [filterMode, setFilterMode] = useState<'ALL' | 'ATTENTION'>('ALL');
const [viewMode, setViewMode] = useState<'LIST' | 'FORM'>('LIST');
// Dragging state
const [draggingField, setDraggingField] = useState<number | null>(null);
const containerRef = useRef<HTMLDivElement>(null);
// Derived state for progress
const verifiedCount = fields.filter(f => f.isVerified).length;
const totalCount = fields.length;
const progressPercent = Math.round((verifiedCount / totalCount) * 100);
const fieldsRequiresAttention = useMemo(() =>
fields.filter(f => f.validation?.status !== 'VALID'),
[fields]);
// Generate preview for PDF download
useEffect(() => {
let active = true;
let timeoutId: any;
const generatePreview = async () => {
// If it's a PDF, we try to show the filled version
if (formFile.type === 'application/pdf') {
try {
const filledPdfBytes = await createFilledPdf(formFile.base64, fields, isFillablePdf);
if (!active) return;
const blob = new Blob([filledPdfBytes], { type: 'application/pdf' });
const url = URL.createObjectURL(blob);
setPreviewUrl(prev => {
if (prev && prev.startsWith('blob:')) URL.revokeObjectURL(prev);
return url;
});
} catch (e) {
console.error("Failed to generate PDF preview", e);
// Fallback to original if generation fails
setPreviewUrl(formFile.previewUrl);
}
} else {
// For images, just show the original
setPreviewUrl(formFile.previewUrl);
}
};
// Debounce to avoid excessive PDF generation while typing
timeoutId = setTimeout(generatePreview, 1000);
return () => {
active = false;
clearTimeout(timeoutId);
};
}, [fields, isFillablePdf, formFile]);
// Cleanup blob URL on unmount
useEffect(() => {
return () => {
setPreviewUrl(prev => {
if (prev && prev.startsWith('blob:') && prev !== formFile.previewUrl) {
URL.revokeObjectURL(prev);
}
return null;
});
};
}, []);
const handleUpdate = (index: number, newValue: string) => {
const newFields = [...fields];
newFields[index] = {
...newFields[index],
value: newValue,
// Auto-verify when manually edited
isVerified: true,
validation: { ...newFields[index].validation!, status: 'VALID', message: 'Manually verified' }
};
setFields(newFields);
};
const handleCoordinateUpdate = (index: number, x: number, y: number) => {
const newFields = [...fields];
if (newFields[index].coordinates) {
newFields[index] = {
...newFields[index],
coordinates: { ...newFields[index].coordinates!, x, y },
isVerified: true // Moving it implies verification
};
setFields(newFields);
}
};
const toggleVerify = (index: number) => {
const newFields = [...fields];
newFields[index] = {
...newFields[index],
isVerified: !newFields[index].isVerified
};
setFields(newFields);
};
const applySuggestion = (index: number) => {
const field = fields[index];
if (field.validation?.suggestion) {
handleUpdate(index, field.validation.suggestion);
}
};
const handleDownload = async () => {
if (formFile.type === 'application/pdf' && previewUrl) {
const a = document.createElement('a');
a.href = previewUrl;
a.download = `filled_${formFile.file.name}`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
} else {
const doc = new jsPDF();
doc.text("Extracted Data", 20, 20);
let y = 40;
fields.forEach(f => {
doc.text(`${f.label}: ${f.value}`, 20, y);
y += 10;
});
doc.save("data_report.pdf");
}
};
// Drag handlers
const handleDragStart = (e: React.MouseEvent, index: number) => {
e.stopPropagation();
setDraggingField(index);
setActiveField(index);
};
const handleMouseMove = (e: React.MouseEvent) => {
if (draggingField !== null && containerRef.current) {
const rect = containerRef.current.getBoundingClientRect();
const relativeX = e.clientX - rect.left;
const relativeY = e.clientY - rect.top;
// Convert pixels to 0-1000 scale
const scaleX = (relativeX / rect.width) * 1000;
const scaleY = (relativeY / rect.height) * 1000;
// Clamp values
const clampedX = Math.max(0, Math.min(1000, scaleX));
const clampedY = Math.max(0, Math.min(1000, scaleY));
handleCoordinateUpdate(draggingField, clampedX, clampedY);
}
};
const handleMouseUp = () => {
setDraggingField(null);
};
// Sort: Unverified/Issues first, then verified
const displayedFields = fields.map((f, i) => ({ ...f, originalIndex: i }))
.sort((a, b) => {
// Priority 1: Attention needed
const aNeedsAttn = a.validation?.status !== 'VALID';
const bNeedsAttn = b.validation?.status !== 'VALID';
if (aNeedsAttn && !bNeedsAttn) return -1;
if (!aNeedsAttn && bNeedsAttn) return 1;
// Priority 2: Unverified
if (!a.isVerified && b.isVerified) return -1;
if (a.isVerified && !b.isVerified) return 1;
return a.originalIndex - b.originalIndex;
})
.filter(f => filterMode === 'ALL' || (f.validation?.status !== 'VALID' && !f.isVerified));
return (
<div className="max-w-7xl mx-auto px-4 py-8 h-[calc(100vh-80px)] flex flex-col">
{/* Header Section */}
<div className="flex flex-col md:flex-row justify-between items-start md:items-center mb-6 gap-4 flex-shrink-0">
<div>
<h2 className="text-2xl font-bold text-slate-900">Review & Verify</h2>
<p className="text-slate-500 text-sm mt-1">{summary}</p>
</div>
<div className="flex items-center gap-4 w-full md:w-auto">
{/* View Toggle */}
<div className="flex bg-slate-100 p-1 rounded-lg border border-slate-200">
<button
onClick={() => setViewMode('LIST')}
className={`p-1.5 rounded-md flex items-center space-x-2 text-sm font-medium transition-all ${viewMode === 'LIST' ? 'bg-white shadow text-slate-900' : 'text-slate-500 hover:text-slate-700'}`}
title="List View"
>
<List className="w-4 h-4" />
<span className="hidden sm:inline">List</span>
</button>
<button
onClick={() => setViewMode('FORM')}
className={`p-1.5 rounded-md flex items-center space-x-2 text-sm font-medium transition-all ${viewMode === 'FORM' ? 'bg-white shadow text-slate-900' : 'text-slate-500 hover:text-slate-700'}`}
title="Form Overlay View"
>
<LayoutTemplate className="w-4 h-4" />
<span className="hidden sm:inline">Form View</span>
</button>
</div>
<div className="h-6 w-px bg-slate-300 mx-2 hidden md:block"></div>
{/* Verification Progress */}
<div className="hidden md:flex flex-col items-end mr-2">
<span className="text-xs font-semibold text-slate-600 mb-1">
{verifiedCount} / {totalCount} Verified
</span>
<div className="w-32 h-2 bg-slate-200 rounded-full overflow-hidden">
<div
className="h-full bg-emerald-500 transition-all duration-500 ease-out"
style={{ width: `${progressPercent}%` }}
/>
</div>
</div>
<button
onClick={onReset}
className="flex items-center px-4 py-2 text-sm font-medium text-slate-700 bg-white border border-slate-300 rounded-lg hover:bg-slate-50 transition-colors"
>
<RefreshCw className="w-4 h-4 mr-2" />
Start Over
</button>
<button
onClick={handleDownload}
className={`flex items-center px-4 py-2 text-sm font-medium text-white rounded-lg transition-colors shadow-sm bg-indigo-600 hover:bg-indigo-700`}
>
<Download className="w-4 h-4 mr-2" />
Download PDF
</button>
</div>
</div>
{viewMode === 'LIST' ? (
/* ================= LIST VIEW ================= */
<div className="grid grid-cols-1 lg:grid-cols-2 gap-8 flex-1 min-h-0">
{/* Left Column: Preview */}
<div className="bg-slate-900 rounded-xl overflow-hidden shadow-lg flex flex-col">
<div className="p-3 bg-slate-800 border-b border-slate-700 flex justify-between items-center">
<div className="flex items-center space-x-2">
<span className="text-xs font-medium text-slate-300 uppercase tracking-wider">PDF Preview (Live)</span>
</div>
<span className="text-xs text-slate-400">{formFile.file.name}</span>
</div>
<div className="flex-1 bg-slate-900 relative">
{previewUrl ? (
formFile.type === 'application/pdf' ? (
<>
<iframe
src={previewUrl}
title="Form PDF Preview"
className="w-full h-full border-none"
/>
{/* Fallback open button */}
<div className="absolute bottom-4 right-4 opacity-50 hover:opacity-100 transition-opacity">
<a
href={previewUrl}
target="_blank"
rel="noreferrer"
className="flex items-center bg-black/70 text-white text-xs px-3 py-1.5 rounded-full hover:bg-black"
>
<ExternalLink className="w-3 h-3 mr-1" />
Open in new tab
</a>
</div>
</>
) : (
<div className="w-full h-full overflow-auto flex items-center justify-center p-4">
<img
src={previewUrl}
alt="Form Document"
className="max-w-full shadow-lg border border-slate-700"
/>
</div>
)
) : (
<div className="flex flex-col items-center justify-center h-full text-slate-500">
<FileText className="w-16 h-16 mb-4 opacity-50" />
<p>Generating preview...</p>
</div>
)}
</div>
</div>
{/* Right Column: Verification List */}
<div className="bg-white rounded-xl shadow-sm border border-slate-200 flex flex-col overflow-hidden">
<div className="p-4 border-b border-slate-100 bg-slate-50/50">
<div className="flex justify-between items-center mb-4">
<h3 className="font-semibold text-slate-800">Field Verification</h3>
<div className="flex space-x-2 text-xs">
<button
onClick={() => setFilterMode('ALL')}
className={`px-3 py-1 rounded-full border transition-colors ${filterMode === 'ALL' ? 'bg-slate-800 text-white border-slate-800' : 'bg-white text-slate-600 border-slate-200 hover:bg-slate-50'}`}
>
All ({totalCount})
</button>
{fieldsRequiresAttention.length > 0 && (
<button
onClick={() => setFilterMode('ATTENTION')}
className={`px-3 py-1 rounded-full border transition-colors flex items-center ${filterMode === 'ATTENTION' ? 'bg-amber-100 text-amber-800 border-amber-200' : 'bg-white text-amber-600 border-slate-200 hover:bg-amber-50'}`}
>
<AlertTriangle className="w-3 h-3 mr-1" />
Needs Review ({fieldsRequiresAttention.length})
</button>
)}
</div>
</div>
</div>
<div className="flex-1 overflow-y-auto p-4 space-y-3 bg-slate-50/30">
{displayedFields.map((field) => {
const idx = field.originalIndex;
const status = field.validation?.status || 'VALID';
const isVerified = field.isVerified;
let statusBorder = isVerified ? "border-emerald-200" : "border-slate-200";
let statusBg = isVerified ? "bg-emerald-50/30" : "bg-white";
if (!isVerified) {
if (status === 'INVALID') {
statusBorder = "border-red-200";
statusBg = "bg-red-50/50";
} else if (status === 'WARNING') {
statusBorder = "border-amber-200";
statusBg = "bg-amber-50/50";
}
}
return (
<div
key={idx}
className={`relative group rounded-lg border transition-all duration-200 p-3 shadow-sm ${activeField === idx ? 'ring-1 ring-indigo-500 border-indigo-500 shadow-md z-10' : statusBorder} ${statusBg}`}
onFocus={() => setActiveField(idx)}
onBlur={() => setActiveField(null)}
>
<div className="flex items-start gap-3">
<button
onClick={() => toggleVerify(idx)}
className={`mt-1 flex-shrink-0 w-5 h-5 rounded border flex items-center justify-center transition-colors ${isVerified ? 'bg-emerald-500 border-emerald-500 text-white' : 'bg-white border-slate-300 text-transparent hover:border-emerald-400'}`}
title={isVerified ? "Mark as unverified" : "Mark as verified"}
>
<Check className="w-3.5 h-3.5" strokeWidth={3} />
</button>
<div className="flex-1 min-w-0">
<div className="flex justify-between items-center mb-1">
<label className={`text-xs font-semibold uppercase tracking-wider truncate ${isVerified ? 'text-emerald-700' : 'text-slate-600'}`}>
{field.label || field.key || "Unknown Field"}
</label>
{!isVerified && status !== 'VALID' && (
<span className={`flex items-center text-[10px] font-bold px-1.5 py-0.5 rounded ${status === 'INVALID' ? 'bg-red-100 text-red-700' : 'bg-amber-100 text-amber-700'}`}>
{status === 'INVALID' ? <XCircle className="w-3 h-3 mr-1"/> : <AlertTriangle className="w-3 h-3 mr-1"/>}
{status}
</span>
)}
</div>
<div className="relative">
<input
type="text"
value={field.value}
onChange={(e) => handleUpdate(idx, e.target.value)}
className={`block w-full rounded-md px-2.5 py-1.5 text-sm font-medium transition-colors border ${isVerified ? 'border-emerald-200 text-emerald-900 bg-emerald-50/50' : 'border-slate-300 text-slate-900 focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500'}`}
placeholder="Empty"
/>
</div>
{(!isVerified && field.validation?.suggestion && status !== 'VALID') && (
<button
onClick={() => applySuggestion(idx)}
className="mt-2 flex items-center text-xs font-bold text-indigo-600 hover:text-indigo-800 bg-indigo-50 hover:bg-indigo-100 px-2 py-1 rounded transition-colors"
>
<ArrowRight className="w-3 h-3 mr-1" />
Accept: "{field.validation.suggestion}"
</button>
)}
</div>
</div>
</div>
);
})}
</div>
</div>
</div>
) : (
/* ================= FORM VIEW (Overlay with Drag & Drop) ================= */
<div className="bg-slate-200 rounded-xl overflow-auto shadow-inner flex-1 border border-slate-300 relative p-8 flex justify-center">
<div
ref={containerRef}
className="relative inline-block shadow-2xl transition-cursor bg-white"
style={{
cursor: draggingField !== null ? 'grabbing' : 'default'
}}
onMouseMove={handleMouseMove}
onMouseUp={handleMouseUp}
onMouseLeave={handleMouseUp}
>
{/* Background Image/PDF */}
{formFile.type === 'application/pdf' ? (
<div className="flex flex-col items-center justify-center p-20 bg-slate-50 border border-slate-200 text-center" style={{ width: '794px', height: '1123px' }}>
<FileText className="w-20 h-20 text-slate-300 mb-4" />
<h3 className="text-xl font-bold text-slate-800">Visual Editing Unavailable for PDF</h3>
<p className="text-slate-500 max-w-sm mt-2">
The visual drag-and-drop editor works best with Image uploads.
For this PDF, please use the List View to verify data or Download to see the final result.
</p>
<button
onClick={() => setViewMode('LIST')}
className="mt-6 px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700"
>
Switch to List View
</button>
</div>
) : (
<img
src={formFile.previewUrl!}
className="block max-w-full h-auto pointer-events-none opacity-90 select-none"
style={{ maxHeight: '1200px' }}
alt="Form Background"
/>
)}
{/* Fallback info if not visual mode compatible */}
{!fields.some(f => f.coordinates) && formFile.type !== 'application/pdf' && (
<div className="absolute inset-0 flex items-center justify-center bg-white/80 z-20 backdrop-blur-sm">
<div className="text-center p-6 max-w-md">
<AlertTriangle className="w-12 h-12 text-amber-500 mx-auto mb-4" />
<h3 className="text-lg font-bold text-slate-900">Visual Mode Not Available</h3>
<p className="text-slate-600 mt-2">
Coordinates were not extracted for this document. Please use the List View to edit fields.
</p>
<button
onClick={() => setViewMode('LIST')}
className="mt-4 px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700"
>
Switch to List View
</button>
</div>
</div>
)}
{/* Overlay Inputs (Only show if not PDF, or if we force it but it's blank bg) */}
{formFile.type !== 'application/pdf' && fields.map((field, idx) => {
if (!field.coordinates) return null;
// Coordinate conversion (0-1000 scale to percentage)
const left = (field.coordinates.x / 1000) * 100;
const top = (field.coordinates.y / 1000) * 100;
const status = field.validation?.status || 'VALID';
let borderColor = 'border-indigo-400 bg-white/60';
if (field.isVerified) borderColor = 'border-emerald-500 bg-emerald-50/70';
else if (status === 'INVALID') borderColor = 'border-red-500 bg-red-50/70';
else if (status === 'WARNING') borderColor = 'border-amber-500 bg-amber-50/70';
const isDragging = draggingField === idx;
const isCheckbox = field.value === 'X';
return (
<div
key={idx}
className={`absolute group hover:z-50 ${isDragging ? 'z-50 cursor-grabbing' : 'z-10'}`}
style={{
left: `${left}%`,
top: `${top}%`,
width: isCheckbox ? '20px' : '200px',
transform: 'translateY(-50%)', // Center vertically
}}
onMouseDown={(e) => handleDragStart(e, idx)}
>
<div className="relative">
{/* Drag Handle (Visible on Hover) */}
<div className={`absolute -top-3 -left-3 cursor-grab p-1 bg-slate-800 text-white rounded-full opacity-0 group-hover:opacity-100 transition-opacity ${isDragging ? 'opacity-100' : ''}`}>
<Move className="w-3 h-3" />
</div>
{isCheckbox ? (
<div className={`w-6 h-6 border-2 flex items-center justify-center font-bold text-black ${borderColor}`}>
X
</div>
) : (
<input
type="text"
value={field.value}
onChange={(e) => handleUpdate(idx, e.target.value)}
onFocus={() => setActiveField(idx)}
className={`
w-full px-1 py-0.5 text-xs font-medium border-2 rounded transition-all shadow-sm
focus:ring-2 focus:ring-offset-1 focus:z-10 focus:bg-white
${borderColor}
`}
style={{
fontFamily: 'Courier, monospace',
color: 'black',
background: 'rgba(255, 255, 255, 0.7)'
}}
/>
)}
{/* Validation Icon Overlay */}
{!field.isVerified && status !== 'VALID' && (
<div className="absolute -top-2 -right-2 bg-white rounded-full shadow-md z-20 pointer-events-none">
{status === 'INVALID'
? <XCircle className="w-4 h-4 text-red-500" />
: <AlertTriangle className="w-4 h-4 text-amber-500" />
}
</div>
)}
{/* Tooltip on Hover */}
<div className="absolute opacity-0 group-hover:opacity-100 bottom-full left-0 mb-1 bg-slate-800 text-white text-[10px] px-2 py-1 rounded whitespace-nowrap pointer-events-none z-30 transition-opacity">
{field.label}
</div>
</div>
</div>
);
})}
</div>
</div>
)}
</div>
);
};