From aebdf6309549cf85bb48a30dfe85902ad32b2145 Mon Sep 17 00:00:00 2001
From: Johannes Baumeister <jba@enwelo.de>
Date: Sat, 4 Jul 2026 21:34:50 +0200
Subject: [PATCH] feat: Add PDF export for turbine coordinate list

---
 app.js     | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 index.html |  3 +++
 2 files changed, 72 insertions(+)

diff --git a/app.js b/app.js
index 3562772..cdccbe0 100644
--- a/app.js
+++ b/app.js
@@ -3161,3 +3161,72 @@ async function resolveLayerConfig(isLocalFile, statusEl) {
             }
         });
     }
+
+    const btnExportCoordsPDF = document.getElementById('btnExportCoordsPDF');
+    if (btnExportCoordsPDF) {
+        btnExportCoordsPDF.addEventListener('click', async () => {
+            const originalText = btnExportCoordsPDF.innerText;
+            btnExportCoordsPDF.innerText = 'Exportiere...';
+            btnExportCoordsPDF.disabled = true;
+
+            try {
+                // Finde aktive Variante
+                const activeVariantNode = document.querySelector('.variant-tab.active');
+                const activeVariant = activeVariantNode ? activeVariantNode.dataset.variant : 'variant1';
+
+                // Filtere Anlagen, die zur aktuellen Variante gehören
+                const activeTurbines = state.turbines.filter(t => t.variant === activeVariant);
+                
+                if (activeTurbines.length === 0) {
+                    alert('Keine Anlagen in der aktuellen Variante gefunden.');
+                    return;
+                }
+
+                // Initialisiere jsPDF
+                const { jsPDF } = window.jspdf;
+                const doc = new jsPDF();
+                
+                // Titel und Projektname
+                const projName = document.getElementById('projectSelector')?.options[document.getElementById('projectSelector')?.selectedIndex]?.text || 'Projekt unbekannt';
+                
+                doc.setFontSize(16);
+                doc.text(`Koordinatenliste - ${projName}`, 14, 20);
+                
+                // Untertitel (Variante)
+                doc.setFontSize(12);
+                let variantName = activeVariant === 'variant1' ? 'Variante 1' : activeVariant === 'variant2' ? 'Variante 2' : 'Variante 3';
+                doc.text(`Variante: ${variantName}`, 14, 30);
+                
+                // Daten vorbereiten (Rechtswert/Hochwert aus UTM32)
+                const tableData = activeTurbines.map(t => {
+                    const latlng = t.layers.marker.getLatLng();
+                    const utmCoords = proj4(wgs84, utm32, [latlng.lng, latlng.lat]);
+                    return [
+                        t.nr,
+                        t.hersteller || '-',
+                        t.type || '-',
+                        utmCoords[0].toFixed(2),
+                        utmCoords[1].toFixed(2)
+                    ];
+                });
+
+                // Tabelle einfügen
+                doc.autoTable({
+                    startY: 40,
+                    head: [['WEA Nr.', 'Hersteller', 'Anlagentyp', 'Rechtswert (E)', 'Hochwert (N)']],
+                    body: tableData,
+                    theme: 'striped',
+                    headStyles: { fillColor: [0, 200, 255], textColor: [255, 255, 255] }
+                });
+
+                doc.save(`Koordinatenliste_${projName.replace(/\s+/g, '_')}_${activeVariant}.pdf`);
+
+            } catch (err) {
+                console.error('Fehler beim Koordinaten-PDF Export:', err);
+                alert('Fehler beim PDF Export: ' + err.message);
+            } finally {
+                btnExportCoordsPDF.innerText = originalText;
+                btnExportCoordsPDF.disabled = false;
+            }
+        });
+    }
diff --git a/index.html b/index.html
index 0a84af1..de4cb6b 100644
--- a/index.html
+++ b/index.html
@@ -131,6 +131,8 @@
                         style="flex: 0.4; padding: 6px; margin-top: 0;">📐</button>
                     <button class="btn-primary btn-mini" id="btnExportPDF" title="Karte als PDF exportieren"
                         style="flex: 1; padding: 6px; margin-top: 4px; min-width: 100%;">📄 Karte PDF</button>
+                    <button class="btn-primary btn-mini" id="btnExportCoordsPDF" title="Koordinatenliste exportieren"
+                        style="flex: 1; padding: 6px; margin-top: 4px; min-width: 100%;">📄 Koordinatenliste PDF</button>
                 </div>
             </div>
 
@@ -285,6 +287,7 @@
     <script src="libs/turf.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf-autotable/3.5.31/jspdf.plugin.autotable.min.js"></script>
     <script src="app.js"></script>
 </body>