feat: bouton Tester l'upload SharePoint + tooltip erreur SP dans historique BAP

server/routers.ts

@@ -1569,6 +1569,54 @@ export const appRouter = router({
           return { success: false, error: err.message || 'Erreur inconnue' };
         }
       }),
+
+    testSharePointUpload: protectedProcedure
+      .mutation(async ({ ctx }) => {
+        const settings = await getImportSettingsByUser(ctx.user.id);
+        const tenantId = (settings as any)?.azureTenantId;
+        const clientId = (settings as any)?.azureClientId;
+        const clientSecret = (settings as any)?.azureClientSecret;
+        const sharepointUrl = settings?.exportFolder;
+
+        if (!tenantId || !clientId || !clientSecret) {
+          return { success: false, error: 'Credentials Azure AD manquants (Tenant ID, Client ID ou Secret)' };
+        }
+        if (!sharepointUrl) {
+          return { success: false, error: 'URL SharePoint non configurée dans le dossier d\'export' };
+        }
+
+        try {
+          const { uploadToSharePoint } = await import('./sharepoint');
+          // Créer un fichier test de 1 Ko
+          const testContent = `Test upload SharePoint - ${new Date().toISOString()}\nApplication : Dématérialisation Facturation\nCe fichier peut être supprimé.`;
+          const testBuffer = Buffer.from(testContent, 'utf-8');
+          const testFileName = `test-upload-${Date.now()}.txt`;
+
+          const result = await uploadToSharePoint(
+            { tenantId, clientId, clientSecret, sharepointUrl },
+            testBuffer,
+            testFileName
+          );
+
+          if (result.success) {
+            return {
+              success: true,
+              message: `Fichier test déposé avec succès dans SharePoint`,
+              webUrl: result.webUrl,
+              fileName: testFileName,
+              debugInfo: result.debugInfo,
+            };
+          } else {
+            return {
+              success: false,
+              error: result.error || 'Échec de l\'upload test',
+              debugInfo: result.debugInfo,
+            };
+          }
+        } catch (err: any) {
+          return { success: false, error: err.message || 'Erreur inconnue' };
+        }
+      }),
   }),
   
   // ============= DEPARTMENT LIST ROUTES =============