From e63572197d09743987b36c03d2b21601f7c597c0 Mon Sep 17 00:00:00 2001
From: Reece Browne <reecebrowne1995@gmail.com>
Date: Mon, 25 Aug 2025 19:05:45 +0100
Subject: [PATCH] Fix split export

---
 frontend/src/components/pageEditor/PageEditor.tsx | 15 ++++++++++-----
 .../src/services/documentManipulationService.ts   |  7 +++++++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/frontend/src/components/pageEditor/PageEditor.tsx b/frontend/src/components/pageEditor/PageEditor.tsx
index d62eccaa2..9a8382d94 100644
--- a/frontend/src/components/pageEditor/PageEditor.tsx
+++ b/frontend/src/components/pageEditor/PageEditor.tsx
@@ -441,11 +441,16 @@ const PageEditor = ({
         const filenames: string[] = [];
 
         const sourceFiles = getSourceFiles();
-        const exportFilename = getExportFilename();
-        for (const doc of processedDocuments) {
+        const baseExportFilename = getExportFilename();
+        const baseName = baseExportFilename.replace(/\.pdf$/i, '');
+        
+        for (let i = 0; i < processedDocuments.length; i++) {
+          const doc = processedDocuments[i];
+          const partFilename = `${baseName}_part_${i + 1}.pdf`;
+          
           const result = sourceFiles
-            ? await pdfExportService.exportPDFMultiFile(doc, sourceFiles, [], { filename: exportFilename })
-            : await pdfExportService.exportPDF(doc, [], { filename: exportFilename });
+            ? await pdfExportService.exportPDFMultiFile(doc, sourceFiles, [], { filename: partFilename })
+            : await pdfExportService.exportPDF(doc, [], { filename: partFilename });
           blobs.push(result.blob);
           filenames.push(result.filename);
         }
@@ -459,7 +464,7 @@ const PageEditor = ({
         });
 
         const zipBlob = await zip.generateAsync({ type: 'blob' });
-        const zipFilename = exportFilename.replace(/\.pdf$/i, '.zip');
+        const zipFilename = baseExportFilename.replace(/\.pdf$/i, '.zip');
 
         pdfExportService.downloadFile(zipBlob, zipFilename);
       } else {
diff --git a/frontend/src/services/documentManipulationService.ts b/frontend/src/services/documentManipulationService.ts
index f84623c6e..75cf7d27e 100644
--- a/frontend/src/services/documentManipulationService.ts
+++ b/frontend/src/services/documentManipulationService.ts
@@ -61,6 +61,7 @@ export class DocumentManipulationService {
     // Find split points - pages with splitAfter create split points AFTER them
     document.pages.forEach((page, index) => {
       if (page.splitAfter) {
+        console.log(`Found split marker at page ${page.pageNumber} (index ${index}), adding split point at ${index + 1}`);
         splitPoints.push(index + 1);
       }
     });
@@ -70,12 +71,18 @@ export class DocumentManipulationService {
       splitPoints.push(document.pages.length);
     }
     
+    console.log('Final split points:', splitPoints);
+    console.log('Total pages to split:', document.pages.length);
+    
     let startIndex = 0;
     let partNumber = 1;
     
     for (const endIndex of splitPoints) {
       const segmentPages = document.pages.slice(startIndex, endIndex);
       
+      console.log(`Creating split document ${partNumber}: pages ${startIndex}-${endIndex-1} (${segmentPages.length} pages)`);
+      console.log(`Split document ${partNumber} page numbers:`, segmentPages.map(p => p.pageNumber));
+      
       if (segmentPages.length > 0) {
         documents.push({
           ...document,