feat: split pricing into one-time and monthly totals, fix invoice pdf rendering

shop/components/invoice-pdf.tsx

@@ -94,7 +94,14 @@ const styles = StyleSheet.create({
   },
 });
 
-export const InvoicePDF = ({ order, product, modules, customer }: any) => (
+export const InvoicePDF = ({ order, orderSnapshot, customer }: any) => {
+  const items = orderSnapshot?.items ?? [];
+  const subtotal = orderSnapshot?.subtotal ?? 0;
+  const taxAmount = orderSnapshot?.tax_amount ?? 0;
+  const taxRate = orderSnapshot?.tax_rate ?? 19;
+  const total = orderSnapshot?.total ?? 0;
+
+  return (
     <Document>
       <Page size="A4" style={styles.page}>
         <View style={styles.header}>
@@ -123,38 +130,58 @@ export const InvoicePDF = ({ order, product, modules, customer }: any) => (
 
         <View style={styles.section}>
           <Text style={styles.label}>Bestelldetails</Text>
-        <Text>Bestellnummer: {order.id}</Text>
-        <Text>Datum: {new Date().toLocaleDateString('de-DE')}</Text>
+          <Text>Bestellnummer: {order.order_number || order.id}</Text>
+          <Text>Datum: {new Date(order.created_at || Date.now()).toLocaleDateString('de-DE')}</Text>
         </View>
 
         <View style={styles.table}>
           <View style={[styles.tableRow, { backgroundColor: '#f9f9f9' }]}>
             <View style={styles.tableCol}><Text style={{ fontWeight: 'bold' }}>Beschreibung</Text></View>
-          <View style={styles.tableColPrice}><Text style={{ fontWeight: 'bold' }}>Preis (mtl.)</Text></View>
+            <View style={styles.tableColPrice}><Text style={{ fontWeight: 'bold' }}>Preis (netto)</Text></View>
           </View>
           
+          {items.map((item: any, idx: number) => (
+            <View key={idx}>
               <View style={styles.tableRow}>
-          <View style={styles.tableCol}><Text>{product.name} (Basispaket)</Text></View>
-          <View style={styles.tableColPrice}><Text>{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(product.base_price)}</Text></View>
+                <View style={styles.tableCol}>
+                  <Text style={{ fontWeight: 'bold' }}>{item.product_name} ({item.category_name})</Text>
                 </View>
-
-        {modules.map((mod: any) => (
-          <View key={mod.id} style={styles.tableRow}>
-            <View style={styles.tableCol}><Text>{mod.name}</Text></View>
-            <View style={styles.tableColPrice}><Text>+{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(mod.additional_price)}</Text></View>
+                <View style={styles.tableColPrice}>
+                  <Text>
+                    {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(item.base_price)}
+                    {' '}{item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}
+                  </Text>
+                </View>
+              </View>
+              {item.selected_modules?.map((mod: any, mIdx: number) => (
+                <View key={mIdx} style={styles.tableRow}>
+                  <View style={[styles.tableCol, { paddingLeft: 20 }]}>
+                    <Text style={{ color: '#666' }}>+ {mod.module_name}</Text>
+                  </View>
+                  <View style={styles.tableColPrice}>
+                    <Text style={{ color: '#666' }}>
+                      +{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(mod.price)}
+                    </Text>
+                  </View>
+                </View>
+              ))}
             </View>
           ))}
         </View>
 
         <View style={styles.total}>
-        <View style={{ width: '40%' }}>
-          <View style={{ flexDirection: 'row', justifyContent: 'space-between' }}>
-            <Text>Zwischensumme:</Text>
-            <Text>{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(order.total_amount)}</Text>
+          <View style={{ width: '50%' }}>
+            <View style={{ flexDirection: 'row', justifyContent: 'space-between', marginBottom: 3 }}>
+              <Text>Netto-Zwischensumme:</Text>
+              <Text>{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(subtotal)}</Text>
             </View>
-          <View style={{ flexDirection: 'row', justifyContent: 'space-between', marginTop: 5 }}>
-            <Text style={styles.totalLabel}>Gesamtbetrag:</Text>
-            <Text style={styles.totalLabel}>{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(order.total_amount)}</Text>
+            <View style={{ flexDirection: 'row', justifyContent: 'space-between', marginBottom: 3 }}>
+              <Text>zzgl. {taxRate}% USt:</Text>
+              <Text>{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(taxAmount)}</Text>
+            </View>
+            <View style={{ flexDirection: 'row', justifyContent: 'space-between', marginTop: 5, borderTopWidth: 1, borderTopColor: '#000', paddingTop: 5 }}>
+              <Text style={styles.totalLabel}>Gesamtbetrag (brutto):</Text>
+              <Text style={styles.totalLabel}>{new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(total)}</Text>
             </View>
           </View>
         </View>
@@ -166,3 +193,4 @@ export const InvoicePDF = ({ order, product, modules, customer }: any) => (
       </Page>
     </Document>
   );
+};

shop/components/order-wizard.tsx

@@ -118,20 +118,29 @@ export function OrderWizard({
   )
 
   // Total price across all selections
-  const totalPrice = useMemo(() => {
-    let total = 0
+  // Total price calculations (split by billing interval)
+  const { monthlyTotal, oneTimeTotal } = useMemo(() => {
+    let monthly = 0
+    let oneTime = 0
     for (const cat of categories) {
       const sel = selections[cat.id]
       if (!sel?.productId) continue
       const prod = products.find(p => p.id === sel.productId)
       if (!prod) continue
-      total += Number(prod.base_price)
+      const base = Number(prod.base_price)
+      let modulesSum = 0
       sel.moduleIds.forEach(mId => {
         const mod = prod.modules?.find(m => m.id === mId)
-        if (mod) total += Number(mod.price)
+        if (mod) modulesSum += Number(mod.price)
       })
+      const totalItem = base + modulesSum
+      if (prod.billing_interval === 'one_time') {
+        oneTime += totalItem
+      } else {
+        monthly += totalItem
       }
-    return total
+    }
+    return { monthlyTotal: monthly, oneTimeTotal: oneTime }
   }, [selections, products, categories])
 
   // Helper: update product selection for a category (resets modules)
@@ -425,12 +434,38 @@ export function OrderWizard({
                       )
                     })}
                     <Separator className="bg-white/10" />
+                    {oneTimeTotal > 0 && monthlyTotal > 0 ? (
+                      <div className="space-y-2">
+                        <div className="flex justify-between text-base font-semibold text-white">
+                          <span className="text-slate-400">Einmalig gesamt:</span>
+                          <span>
+                            {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(oneTimeTotal)}
+                          </span>
+                        </div>
+                        <div className="flex justify-between text-base font-semibold text-white">
+                          <span className="text-slate-400">Monatlich gesamt:</span>
+                          <span>
+                            {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(monthlyTotal)}
+                            {' '}<span className="text-xs font-normal text-slate-400">/ Monat</span>
+                          </span>
+                        </div>
+                      </div>
+                    ) : oneTimeTotal > 0 ? (
+                      <div className="flex justify-between text-xl font-bold text-gradient">
+                        <span>Gesamt (einmalig):</span>
+                        <span>
+                          {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(oneTimeTotal)}
+                        </span>
+                      </div>
+                    ) : (
                       <div className="flex justify-between text-xl font-bold text-gradient">
                         <span>Gesamt:</span>
                         <span>
-                        {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(totalPrice)}
+                          {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(monthlyTotal)}
+                          {' '}<span className="text-sm font-normal text-slate-400">/ Monat</span>
                         </span>
                       </div>
+                    )}
                     {!allCategoriesFilled && (
                       <p className="text-xs text-destructive flex items-center gap-1">
                         <AlertCircle className="w-3 h-3" />
@@ -669,12 +704,38 @@ export function OrderWizard({
                     )}
                   </div>
                 </div>
-                <div className="flex justify-between text-xl font-bold text-gradient">
-                  <span>Gesamtbetrag:</span>
+                {oneTimeTotal > 0 && monthlyTotal > 0 ? (
+                  <div className="space-y-2 border-t border-white/10 pt-4">
+                    <div className="flex justify-between text-lg font-bold text-white">
+                      <span className="text-slate-400">Einmaliger Gesamtbetrag:</span>
                       <span>
-                    {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(totalPrice)} / Monat
+                        {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(oneTimeTotal)}
                       </span>
                     </div>
+                    <div className="flex justify-between text-lg font-bold text-white">
+                      <span className="text-slate-400">Monatlicher Gesamtbetrag:</span>
+                      <span>
+                        {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(monthlyTotal)}
+                        {' '}<span className="text-sm font-normal text-slate-400">/ Monat</span>
+                      </span>
+                    </div>
+                  </div>
+                ) : oneTimeTotal > 0 ? (
+                  <div className="flex justify-between text-xl font-bold text-gradient border-t border-white/10 pt-4">
+                    <span>Gesamtbetrag:</span>
+                    <span>
+                      {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(oneTimeTotal)}
+                    </span>
+                  </div>
+                ) : (
+                  <div className="flex justify-between text-xl font-bold text-gradient border-t border-white/10 pt-4">
+                    <span>Gesamtbetrag:</span>
+                    <span>
+                      {new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(monthlyTotal)}
+                      {' '}<span className="text-sm font-normal text-slate-400">/ Monat</span>
+                    </span>
+                  </div>
+                )}
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