fix(checkout): use full email template with PDF attachment for checkout confirmations

shop/app/actions/checkout.ts

@@ -8,6 +8,8 @@ import { sendMail } from '@/utils/mail';
 import { renderToBuffer } from '@react-pdf/renderer';
 import React from 'react';
 import { InvoicePDF } from '@/components/invoice-pdf';
+import { buildEmailItemsSection } from '@/lib/actions/orders';
+import { getOrderEmailTemplate } from '@/lib/actions/email-templates';
 
 function generateOrderNumber(prefix: 'BE' | 'AE' = 'AE'): string {
   const year = new Date().getFullYear();
@@ -57,11 +59,119 @@ async function triggerPostProcessing(orderId: string, supabase: any, customerSna
 
     // E-Mail versenden
     if (email) {
+      const formattedDate = new Date(order.created_at).toLocaleDateString('de-DE');
+      const taxRate = orderSnapshot.tax_rate ?? 19;
+      const items = orderSnapshot.items ?? [];
+      const oneTimeItems = items.filter((item: any) => item.billing_interval === 'one_time');
+      const monthlyItems = items.filter((item: any) => item.billing_interval === 'monthly');
+
+      const oneTimeNet = oneTimeItems.reduce((sum: number, item: any) => sum + (item.item_total || 0), 0);
+      const oneTimeTax = Math.round(oneTimeNet * (taxRate / 100) * 100) / 100;
+      const oneTimeGross = Math.round((oneTimeNet + oneTimeTax) * 100) / 100;
+
+      const monthlyNet = monthlyItems.reduce((sum: number, item: any) => sum + (item.item_total || 0), 0);
+      const monthlyTax = Math.round(monthlyNet * (taxRate / 100) * 100) / 100;
+      const monthlyGross = Math.round((monthlyNet + monthlyTax) * 100) / 100;
+
+      let totalDetailsText = '';
+      if (oneTimeNet > 0 && monthlyNet > 0) {
+        totalDetailsText = `\nEinmaliger Betrag:\n- Netto: ${oneTimeNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}\n- zzgl. ${taxRate}% MwSt: ${oneTimeTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}\n- Brutto Gesamtbetrag: ${oneTimeGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}\n\nMonatlicher Betrag:\n- Netto: ${monthlyNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat\n- zzgl. ${taxRate}% MwSt: ${monthlyTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat\n- Brutto Gesamtbetrag: ${monthlyGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat`;
+      } else if (oneTimeNet > 0) {
+        totalDetailsText = `\nGesamtsumme:\n- Netto: ${oneTimeNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}\n- zzgl. ${taxRate}% MwSt: ${oneTimeTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}\n- Brutto Gesamtbetrag: ${oneTimeGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}`;
+      } else {
+        totalDetailsText = `\nGesamtsumme:\n- Netto: ${monthlyNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat\n- zzgl. ${taxRate}% MwSt: ${monthlyTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat\n- Brutto Gesamtbetrag: ${monthlyGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat`;
+      }
+
+      let totalDetailsHtml = '';
+      if (oneTimeNet > 0 && monthlyNet > 0) {
+        totalDetailsHtml = `
+          <tr>
+            <td colspan="2" style="padding: 8px 0; border-top: 1px solid #e2e8f0; font-weight: bold; color: #0f172a;">Einmaliger Betrag:</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; padding-left: 10px; color: #475569;">Netto:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${oneTimeNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; padding-left: 10px; color: #475569;">zzgl. ${taxRate}% MwSt:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${oneTimeTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; padding-left: 10px; font-weight: bold; color: #0f172a;">Brutto Gesamtbetrag:</td>
+            <td style="padding: 4px 0; text-align: right; font-weight: bold; color: #0f172a;">${oneTimeGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+          </tr>
+          <tr>
+            <td colspan="2" style="padding: 8px 0; border-top: 1px solid #e2e8f0; font-weight: bold; color: #0f172a;">Monatlicher Betrag:</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; padding-left: 10px; color: #475569;">Netto:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${monthlyNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; padding-left: 10px; color: #475569;">zzgl. ${taxRate}% MwSt:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${monthlyTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; padding-left: 10px; font-weight: bold; color: #0f172a;">Brutto Gesamtbetrag:</td>
+            <td style="padding: 4px 0; text-align: right; font-weight: bold; color: #0f172a;">${monthlyGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat</td>
+          </tr>
+        `;
+      } else if (oneTimeNet > 0) {
+        totalDetailsHtml = `
+          <tr>
+            <td style="padding: 4px 0; color: #475569;">Netto-Gesamtbetrag:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${oneTimeNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; color: #475569;">zzgl. ${taxRate}% MwSt:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${oneTimeTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; font-weight: bold; color: #0f172a; border-top: 1px solid #e2e8f0; padding-top: 6px;">Gesamtbetrag (brutto):</td>
+            <td style="padding: 4px 0; text-align: right; font-weight: bold; color: #0f172a; border-top: 1px solid #e2e8f0; padding-top: 6px;">${oneTimeGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })}</td>
+          </tr>
+        `;
+      } else {
+        totalDetailsHtml = `
+          <tr>
+            <td style="padding: 4px 0; color: #475569;">Netto-Gesamtbetrag:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${monthlyNet.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; color: #475569;">zzgl. ${taxRate}% MwSt:</td>
+            <td style="padding: 4px 0; text-align: right; color: #475569;">${monthlyTax.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; font-weight: bold; color: #0f172a; border-top: 1px solid #e2e8f0; padding-top: 6px;">Gesamtbetrag (brutto):</td>
+            <td style="padding: 4px 0; text-align: right; font-weight: bold; color: #0f172a; border-top: 1px solid #e2e8f0; padding-top: 6px;">${monthlyGross.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} / Monat</td>
+          </tr>
+        `;
+      }
+
+      const itemsSection = buildEmailItemsSection(items);
+
+      const emailTemplate = getOrderEmailTemplate({
+        orderNumber: order.order_number,
+        formattedDate,
+        customerCompanyName: customerSnapshot.company_name,
+        totalDetailsText,
+        totalDetailsHtml,
+        itemsDetailsText: itemsSection.text,
+        itemsDetailsHtml: itemsSection.html
+      }, `${process.env.NEXT_PUBLIC_SITE_URL || 'https://staging.hephex.de'}`, false);
+
       await sendMail({
         to: email,
-        subject: `Bestätigung Ihrer CASPOS-Anfrage ${order.order_number}`,
+        subject: `Anfragebestätigung ${order.order_number}`,
-        text: `Vielen Dank für Ihre Anfrage ${order.order_number}.`,
+        text: emailTemplate.text,
-        html: `<p>Vielen Dank für Ihre Anfrage <strong>${order.order_number}</strong>.</p>`
+        html: emailTemplate.html,
+        attachments: [
+          {
+            filename: `Anfragebestaetigung_${order.order_number}.pdf`,
+            content: buffer,
+            contentType: 'application/pdf',
+          }
+        ]
       });
     }
   } catch (err) {

shop/lib/actions/orders.ts

@@ -16,7 +16,7 @@ import { getOrderEmailTemplate, getStatusEmailTemplate } from '@/lib/actions/ema
 
 // ─── Hilfsfunktionen ─────────────────────────────────────────────────────────
 
-function buildEmailItemsSection(items: any[]) {
+export function buildEmailItemsSection(items: any[]) {
   const groupedItems: { [key: string]: any[] } = {}
   items.forEach((item: any) => {
     const devName = item.device_name || 'Kasse 1'