espace-paie-odentas/app/signer/[requestId]/[signerId]/components/SignatureCapture.tsx

603 lines
21 KiB
TypeScript

'use client';
import { useState, useRef, useEffect } from 'react';
import { motion } from 'framer-motion';
import { PenTool, RotateCcw, Check, Loader2, AlertCircle, FileText, Info, Upload, Image as ImageIcon } from 'lucide-react';
import dynamic from 'next/dynamic';
// Charger le PDFImageViewer côté client uniquement (conversion PDF vers images comme Docuseal)
const PDFImageViewer = dynamic(() => import('./PDFImageViewer'), {
ssr: false,
loading: () => (
<div className="h-[700px] bg-slate-50 rounded-xl flex flex-col items-center justify-center">
<Loader2 className="w-12 h-12 text-indigo-600 animate-spin mb-4" />
<p className="text-slate-600 font-medium">Chargement du visualiseur...</p>
</div>
),
});
interface SignatureCaptureProps {
signerId: string;
requestId: string;
signerName: string;
signerRole: string;
documentTitle: string;
sessionToken: string;
onCompleted: () => void;
}
interface SignPosition {
page: number;
x: number;
y: number;
width: number;
height: number;
role: string;
}
export default function SignatureCapture({
signerId,
requestId,
signerName,
signerRole,
documentTitle,
sessionToken,
onCompleted,
}: SignatureCaptureProps) {
const canvasRef = useRef<HTMLCanvasElement>(null);
const fileInputRef = useRef<HTMLInputElement>(null);
const [signatureMode, setSignatureMode] = useState<'draw' | 'upload'>('draw');
const [isDrawing, setIsDrawing] = useState(false);
const [hasDrawn, setHasDrawn] = useState(false);
const [uploadedImage, setUploadedImage] = useState<string | null>(null);
const [consentChecked, setConsentChecked] = useState(false);
const [isSubmitting, setIsSubmitting] = useState(false);
const [error, setError] = useState<string | null>(null);
const [lastPoint, setLastPoint] = useState<{ x: number; y: number } | null>(null);
const [points, setPoints] = useState<{ x: number; y: number }[]>([]);
// PDF Viewer state
const [pdfUrl, setPdfUrl] = useState<string | null>(null);
const [signaturePositions, setSignaturePositions] = useState<SignPosition[]>([]);
const [isPdfLoading, setIsPdfLoading] = useState(true);
// Load PDF and signature positions
useEffect(() => {
async function loadPdfAndPositions() {
try {
// Get PDF presigned URL
const pdfResponse = await fetch(`/api/odentas-sign/requests/${requestId}/pdf-url`, {
headers: {
'Authorization': `Bearer ${sessionToken}`,
},
});
if (!pdfResponse.ok) {
throw new Error('Impossible de charger le document PDF');
}
const pdfData = await pdfResponse.json();
setPdfUrl(pdfData.url);
// Get signature positions
const positionsResponse = await fetch(`/api/odentas-sign/requests/${requestId}/positions`, {
headers: {
'Authorization': `Bearer ${sessionToken}`,
},
});
if (!positionsResponse.ok) {
throw new Error('Impossible de charger les positions de signature');
}
const positionsData = await positionsResponse.json();
console.log('[SignatureCapture] Positions chargées:', {
total: positionsData.positions?.length || 0,
positions: positionsData.positions,
currentRole: signerRole,
});
setSignaturePositions(positionsData.positions || []);
} catch (err) {
console.error('[PDF] Erreur lors du chargement:', err);
setError(err instanceof Error ? err.message : 'Erreur de chargement');
} finally {
setIsPdfLoading(false);
}
}
loadPdfAndPositions();
}, [requestId, sessionToken]);
useEffect(() => {
const canvas = canvasRef.current;
if (!canvas) return;
const ctx = canvas.getContext('2d');
if (!ctx) return;
// Set canvas size to match display size
const rect = canvas.getBoundingClientRect();
canvas.width = rect.width * window.devicePixelRatio;
canvas.height = rect.height * window.devicePixelRatio;
ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
// Set drawing style
ctx.strokeStyle = '#1e293b';
ctx.lineWidth = 3;
ctx.lineCap = 'round';
ctx.lineJoin = 'round';
ctx.globalCompositeOperation = 'source-over';
// Clear canvas
ctx.fillStyle = '#ffffff';
ctx.fillRect(0, 0, canvas.width, canvas.height);
}, []);
function getCoordinates(e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) {
const canvas = canvasRef.current;
if (!canvas) return { x: 0, y: 0 };
const rect = canvas.getBoundingClientRect();
if ('touches' in e) {
return {
x: e.touches[0].clientX - rect.left,
y: e.touches[0].clientY - rect.top,
};
}
return {
x: e.clientX - rect.left,
y: e.clientY - rect.top,
};
}
function startDrawing(e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) {
e.preventDefault();
setIsDrawing(true);
setHasDrawn(true);
const coords = getCoordinates(e);
setLastPoint(coords);
setPoints([coords]);
const ctx = canvasRef.current?.getContext('2d');
if (!ctx) return;
ctx.beginPath();
ctx.moveTo(coords.x, coords.y);
}
function draw(e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) {
e.preventDefault();
if (!isDrawing) return;
const coords = getCoordinates(e);
const ctx = canvasRef.current?.getContext('2d');
if (!ctx || !lastPoint) return;
// Ajouter le nouveau point
const newPoints = [...points, coords];
setPoints(newPoints);
// Dessiner une courbe de Bézier quadratique pour un tracé très fluide
if (newPoints.length >= 2) {
const p0 = lastPoint;
const p1 = coords;
// Point milieu pour lisser encore plus
const midX = (p0.x + p1.x) / 2;
const midY = (p0.y + p1.y) / 2;
// Dessiner une courbe de Bézier avec le point précédent comme contrôle
ctx.quadraticCurveTo(p0.x, p0.y, midX, midY);
ctx.stroke();
}
setLastPoint(coords);
}
function stopDrawing() {
const ctx = canvasRef.current?.getContext('2d');
if (ctx && points.length > 0) {
// Terminer la ligne jusqu'au dernier point
const lastPt = points[points.length - 1];
ctx.lineTo(lastPt.x, lastPt.y);
ctx.stroke();
}
setIsDrawing(false);
setLastPoint(null);
setPoints([]);
}
function clearSignature() {
const canvas = canvasRef.current;
const ctx = canvas?.getContext('2d');
if (!canvas || !ctx) return;
ctx.fillStyle = '#ffffff';
ctx.fillRect(0, 0, canvas.width, canvas.height);
setHasDrawn(false);
setPoints([]);
setUploadedImage(null);
}
function handleImageUpload(e: React.ChangeEvent<HTMLInputElement>) {
const file = e.target.files?.[0];
if (!file) return;
// Vérifier le type de fichier
if (!file.type.startsWith('image/')) {
setError('Veuillez sélectionner une image (PNG, JPG, etc.)');
return;
}
// Vérifier la taille (max 5MB)
if (file.size > 5 * 1024 * 1024) {
setError('L\'image est trop volumineuse (max 5MB)');
return;
}
// Lire le fichier et l'afficher dans le canvas
const reader = new FileReader();
reader.onload = (event) => {
const img = new Image();
img.onload = () => {
const canvas = canvasRef.current;
const ctx = canvas?.getContext('2d');
if (!canvas || !ctx) return;
// Effacer le canvas
ctx.fillStyle = '#ffffff';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Calculer les dimensions pour conserver le ratio
const canvasWidth = canvas.width / window.devicePixelRatio;
const canvasHeight = canvas.height / window.devicePixelRatio;
const imgRatio = img.width / img.height;
const canvasRatio = canvasWidth / canvasHeight;
let drawWidth, drawHeight, offsetX, offsetY;
if (imgRatio > canvasRatio) {
// Image plus large
drawWidth = canvasWidth;
drawHeight = canvasWidth / imgRatio;
offsetX = 0;
offsetY = (canvasHeight - drawHeight) / 2;
} else {
// Image plus haute
drawHeight = canvasHeight;
drawWidth = canvasHeight * imgRatio;
offsetX = (canvasWidth - drawWidth) / 2;
offsetY = 0;
}
// Dessiner l'image centrée
ctx.drawImage(img, offsetX, offsetY, drawWidth, drawHeight);
setHasDrawn(true);
setUploadedImage(event.target?.result as string);
setError(null);
};
img.src = event.target?.result as string;
};
reader.readAsDataURL(file);
}
function canvasToBase64(): string {
const canvas = canvasRef.current;
if (!canvas) {
throw new Error('Canvas not found');
}
// Get full data URL including the data:image/png;base64, prefix
return canvas.toDataURL('image/png');
}
async function submitSignature() {
if ((!hasDrawn && !uploadedImage) || !consentChecked) return;
setIsSubmitting(true);
setError(null);
try {
// Convert canvas to base64 (fonctionne pour les deux modes)
const signatureImageBase64 = canvasToBase64();
const consentText = `Je consens à signer électroniquement le document "${documentTitle}" et confirme que cette signature a la même valeur juridique qu'une signature manuscrite.`;
// Submit
const response = await fetch(`/api/odentas-sign/signers/${signerId}/sign`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer ${sessionToken}`,
},
body: JSON.stringify({
signatureImageBase64,
consentText,
}),
});
if (!response.ok) {
const data = await response.json();
throw new Error(data.error || 'Erreur lors de la signature');
}
// Success!
onCompleted();
} catch (err) {
setError(err instanceof Error ? err.message : 'Erreur inconnue');
} finally {
setIsSubmitting(false);
}
}
return (
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
exit={{ opacity: 0, y: -20 }}
>
{/* En-tête du document */}
<div className="bg-white rounded-lg border border-slate-200 mb-6">
<div className="border-b border-slate-200 px-6 py-4">
<div className="flex items-center justify-between">
<div className="flex items-center gap-3">
<div className="w-10 h-10 rounded-lg bg-indigo-50 flex items-center justify-center">
<FileText className="w-5 h-5 text-indigo-600" />
</div>
<div>
<h2 className="text-lg font-semibold text-slate-900">Document à signer</h2>
<p className="text-sm text-slate-600">{documentTitle}</p>
</div>
</div>
<div className="text-right">
<p className="text-xs text-slate-500 mb-1">Signataire</p>
<p className="text-sm font-semibold text-slate-900">{signerName}</p>
<p className="text-xs text-slate-600">{signerRole}</p>
</div>
</div>
</div>
{/* Visualiseur PDF */}
<div className="p-4">
{isPdfLoading ? (
<div className="h-[600px] bg-slate-50 rounded-lg flex flex-col items-center justify-center">
<Loader2 className="w-8 h-8 text-indigo-600 animate-spin mb-3" />
<p className="text-sm text-slate-600">Chargement du document...</p>
</div>
) : pdfUrl ? (
<div className="h-[600px]">
<PDFImageViewer
pdfUrl={pdfUrl}
positions={signaturePositions}
currentSignerRole={signerRole}
requestId={requestId}
sessionToken={sessionToken}
/>
</div>
) : (
<div className="h-[600px] bg-slate-50 rounded-lg flex flex-col items-center justify-center">
<FileText className="w-12 h-12 text-slate-300 mb-3" />
<p className="text-sm text-slate-500">Aucun document à afficher</p>
</div>
)}
</div>
</div>
{/* Section signature - Full width en dessous */}
<div className="bg-white rounded-lg border border-slate-200">
<div className="border-b border-slate-200 px-6 py-4">
<div className="flex items-center gap-3">
<div className="w-10 h-10 rounded-lg bg-indigo-50 flex items-center justify-center">
<PenTool className="w-5 h-5 text-indigo-600" />
</div>
<div>
<h2 className="text-lg font-semibold text-slate-900">Votre signature</h2>
<p className="text-sm text-slate-600">Dessinez ou importez votre signature</p>
</div>
</div>
</div>
<div className="p-6">
<div className="max-w-3xl mx-auto space-y-6">
{/* Onglets */}
<div className="flex gap-2 p-1 bg-slate-100 rounded-lg">
<button
onClick={() => {
setSignatureMode('draw');
clearSignature();
}}
className={`flex-1 px-4 py-2 rounded-md text-sm font-medium transition-colors ${
signatureMode === 'draw'
? 'bg-white text-slate-900 shadow-sm'
: 'text-slate-600 hover:text-slate-900'
}`}
>
<div className="flex items-center justify-center gap-2">
<PenTool className="w-4 h-4" />
Dessiner
</div>
</button>
<button
onClick={() => {
setSignatureMode('upload');
clearSignature();
}}
className={`flex-1 px-4 py-2 rounded-md text-sm font-medium transition-colors ${
signatureMode === 'upload'
? 'bg-white text-slate-900 shadow-sm'
: 'text-slate-600 hover:text-slate-900'
}`}
>
<div className="flex items-center justify-center gap-2">
<Upload className="w-4 h-4" />
Importer une image
</div>
</button>
</div>
{/* Zone de signature */}
<div>
{signatureMode === 'draw' ? (
// Mode dessin
<div>
<div className="border-2 border-dashed border-slate-300 rounded-lg overflow-hidden bg-white relative group hover:border-indigo-400 transition-colors">
<canvas
ref={canvasRef}
onMouseDown={startDrawing}
onMouseMove={draw}
onMouseUp={stopDrawing}
onMouseLeave={stopDrawing}
onTouchStart={startDrawing}
onTouchMove={draw}
onTouchEnd={stopDrawing}
className="w-full h-40 cursor-crosshair touch-none"
style={{ touchAction: 'none' }}
/>
{!hasDrawn && (
<div className="absolute inset-0 flex items-center justify-center pointer-events-none">
<div className="text-center">
<PenTool className="w-6 h-6 text-slate-400 mx-auto mb-2" />
<p className="text-slate-500 text-sm">Signez ici avec votre souris ou doigt</p>
</div>
</div>
)}
</div>
{/* Bouton recommencer */}
{hasDrawn && (
<motion.button
initial={{ opacity: 0, y: -10 }}
animate={{ opacity: 1, y: 0 }}
onClick={clearSignature}
disabled={isSubmitting}
className="mt-3 px-4 py-2 text-sm text-slate-700 hover:text-slate-900 font-medium flex items-center gap-2 hover:bg-slate-50 rounded-lg transition-colors disabled:opacity-50"
>
<RotateCcw className="w-4 h-4" />
Recommencer
</motion.button>
)}
</div>
) : (
// Mode upload
<div>
<input
ref={fileInputRef}
type="file"
accept="image/*"
onChange={handleImageUpload}
className="hidden"
/>
<div className="border-2 border-dashed border-slate-300 rounded-lg overflow-hidden bg-white relative">
<canvas
ref={canvasRef}
className="w-full h-40"
/>
{!uploadedImage && (
<div className="absolute inset-0 flex items-center justify-center">
<button
onClick={() => fileInputRef.current?.click()}
disabled={isSubmitting}
className="flex flex-col items-center gap-3 px-6 py-4 hover:bg-slate-50 rounded-lg transition-colors disabled:opacity-50"
>
<div className="w-12 h-12 rounded-full bg-indigo-50 flex items-center justify-center">
<Upload className="w-6 h-6 text-indigo-600" />
</div>
<div className="text-center">
<p className="text-sm font-medium text-slate-900 mb-1">
Cliquez pour importer une image
</p>
<p className="text-xs text-slate-500">
PNG, JPG, max 5MB
</p>
</div>
</button>
</div>
)}
</div>
{/* Boutons pour mode upload */}
{uploadedImage && (
<div className="mt-3 flex gap-2">
<motion.button
initial={{ opacity: 0, y: -10 }}
animate={{ opacity: 1, y: 0 }}
onClick={clearSignature}
disabled={isSubmitting}
className="px-4 py-2 text-sm text-slate-700 hover:text-slate-900 font-medium flex items-center gap-2 hover:bg-slate-50 rounded-lg transition-colors disabled:opacity-50"
>
<RotateCcw className="w-4 h-4" />
Changer d'image
</motion.button>
</div>
)}
</div>
)}
</div>
{/* Consentement */}
<div className="bg-slate-50 rounded-lg border border-slate-200 p-4">
<label className="flex items-start gap-3 cursor-pointer">
<div className="flex-shrink-0 pt-0.5">
<input
type="checkbox"
checked={consentChecked}
onChange={(e) => setConsentChecked(e.target.checked)}
disabled={isSubmitting}
className="w-5 h-5 text-indigo-600 border-slate-300 rounded focus:ring-indigo-500 focus:ring-2 cursor-pointer"
/>
</div>
<div className="text-sm text-slate-700 leading-relaxed">
<p>
Je consens à signer électroniquement le document <span className="font-semibold">"{documentTitle}"</span> et confirme que cette signature a la même valeur juridique qu'une signature manuscrite.
</p>
<p className="mt-2 text-xs text-slate-500">
Conforme au règlement eIDAS - Signature horodatée et archivée 10 ans
</p>
</div>
</label>
</div>
{/* Erreur */}
{error && (
<motion.div
initial={{ opacity: 0, y: -10 }}
animate={{ opacity: 1, y: 0 }}
className="p-3 bg-red-50 border border-red-200 rounded-lg flex items-start gap-2"
>
<AlertCircle className="w-4 h-4 text-red-600 flex-shrink-0 mt-0.5" />
<p className="text-sm text-red-700">{error}</p>
</motion.div>
)}
{/* Bouton de validation */}
<button
onClick={submitSignature}
disabled={(!hasDrawn && !uploadedImage) || !consentChecked || isSubmitting}
className="w-full px-4 py-3 bg-indigo-600 text-white rounded-lg font-medium hover:bg-indigo-700 disabled:opacity-50 disabled:cursor-not-allowed transition-colors flex items-center justify-center gap-2"
>
{isSubmitting ? (
<>
<Loader2 className="w-5 h-5 animate-spin" />
Signature en cours...
</>
) : (
<>
<Check className="w-5 h-5" />
Valider ma signature
</>
)}
</button>
</div>
</div>
</div>
</motion.div>
);
}