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services/pdfService.ts

@@ -2,37 +2,47 @@ import { jsPDF } from 'jspdf';
 import html2canvas from 'html2canvas';
 
 export const exportAsPdf = async (elementId: string, fileName: string, action: 'preview' | 'download'): Promise<void> => {
-  const element = document.getElementById(elementId);
+  const container = document.getElementById(elementId);
   
-  if (!element) {
+  if (!container) {
     console.error(`Element with id ${elementId} not found.`);
     return;
   }
 
-  try {
-    // We temporarily make the element visible to html2canvas if it's hidden by CSS
-    // by cloning it or just capturing it directly (html2canvas can capture off-screen if it's positioned absolute)
-    
-    const canvas = await html2canvas(element, {
-      scale: 2, // Higher resolution
-      useCORS: true,
-      logging: false,
-      backgroundColor: '#ffffff' // Ensure white background
-    });
+  const pages = container.querySelectorAll('.report-page');
+  if (pages.length === 0) {
+    console.error('No report pages found');
+    return;
+  }
 
-    const imgData = canvas.toDataURL('image/jpeg', 0.95);
-    
-    // A4 dimensions in mm: 210 x 297
+  try {
     const pdf = new jsPDF({
       orientation: 'portrait',
       unit: 'mm',
       format: 'a4',
     });
 
-    const pdfWidth = pdf.internal.pageSize.getWidth();
-    const pdfHeight = (canvas.height * pdfWidth) / canvas.width;
+    for (let i = 0; i < pages.length; i++) {
+      const pageEl = pages[i] as HTMLElement;
+      
+      const canvas = await html2canvas(pageEl, {
+        scale: 2, // Higher resolution
+        useCORS: true,
+        logging: false,
+        backgroundColor: '#ffffff' // Ensure white background
+      });
 
-    pdf.addImage(imgData, 'JPEG', 0, 0, pdfWidth, pdfHeight);
+      const imgData = canvas.toDataURL('image/jpeg', 0.95);
+      
+      const pdfWidth = pdf.internal.pageSize.getWidth();
+      const pdfHeight = (canvas.height * pdfWidth) / canvas.width;
+
+      if (i > 0) {
+        pdf.addPage();
+      }
+
+      pdf.addImage(imgData, 'JPEG', 0, 0, pdfWidth, pdfHeight);
+    }
 
     if (action === 'download') {
       pdf.save(`${fileName}.pdf`);