feat(email): implement professional responsive b2b html email template

shop/app/actions/checkout.ts

@@ -8,7 +8,7 @@ import { sendMail } from '@/utils/mail';
 import { renderToBuffer } from '@react-pdf/renderer';
 import React from 'react';
 import { InvoicePDF } from '@/components/invoice-pdf';
-import { getOrderEmailTemplate, buildEmailItemsSection } from '@/lib/actions/email-templates';
+import { generateOrderEmailHtml, generateOrderEmailSubject } from '@/lib/actions/email-templates';
 
 function generateOrderNumber(prefix: 'BE' | 'AE' = 'AE'): string {
   const year = new Date().getFullYear();
@@ -147,21 +147,22 @@ async function triggerPostProcessing(orderId: string, supabase: any, customerSna
         `;
       }
 
-      const itemsSection = buildEmailItemsSection(items);
-
-      const emailTemplate = getOrderEmailTemplate({
+      const emailTemplate = generateOrderEmailHtml({
         orderNumber: order.order_number,
+        status: 'pending',
         formattedDate,
         customerCompanyName: customerSnapshot.company_name,
-        totalDetailsText,
-        totalDetailsHtml,
-        itemsDetailsText: itemsSection.text,
-        itemsDetailsHtml: itemsSection.html
-      }, `${process.env.NEXT_PUBLIC_SITE_URL || 'https://staging.hephex.de'}`, false);
+        items,
+        taxRate,
+        oneTimeNet,
+        monthlyNet,
+      });
+
+      const mailSubject = generateOrderEmailSubject(order.order_number, 'pending');
 
       await sendMail({
         to: email,
-        subject: `Anfragebestätigung ${order.order_number}`,
+        subject: mailSubject,
         text: emailTemplate.text,
         html: emailTemplate.html,
         attachments: [

shop/app/api/orders/checkout/route.ts

@@ -7,7 +7,7 @@ import { createHash } from 'crypto';
 import { renderToBuffer } from '@react-pdf/renderer';
 import React from 'react';
 import { InvoicePDF } from '@/components/invoice-pdf';
-import { getOrderEmailTemplate, buildEmailItemsSection } from '@/lib/actions/email-templates';
+import { generateOrderEmailHtml, generateOrderEmailSubject } from '@/lib/actions/email-templates';
 import { validateWizardSelections } from '@/lib/actions/validation';
 
 
@@ -293,20 +293,18 @@ export async function POST(request: Request) {
             `;
           }
 
-          const itemsSection = buildEmailItemsSection(items);
-
-          const { data: brandData } = await supabase.from('settings').select('primary_color').eq('id', 'branding').maybeSingle();
-          const primaryColor = brandData?.primary_color || '#2563eb';
-
-          const emailTemplate = getOrderEmailTemplate({
+          const emailTemplate = generateOrderEmailHtml({
             orderNumber: order.order_number,
+            status: 'pending',
             formattedDate,
             customerCompanyName: customerSnapshot.company_name,
-            totalDetailsText,
-            totalDetailsHtml,
-            itemsDetailsText: itemsSection.text,
-            itemsDetailsHtml: itemsSection.html
-          }, `${process.env.NEXT_PUBLIC_SITE_URL || 'https://staging.hephex.de'}`, false, primaryColor);
+            items,
+            taxRate,
+            oneTimeNet,
+            monthlyNet,
+          });
+
+          const mailSubject = generateOrderEmailSubject(order.order_number, 'pending');
 
           const { data: bufferData, error: downloadError } = await supabase
             .storage
@@ -325,7 +323,7 @@ export async function POST(request: Request) {
 
           await sendMail({
             to: user.email,
-            subject: `Anfragebestätigung ${order.order_number}`,
+            subject: mailSubject,
             text: emailTemplate.text,
             html: emailTemplate.html,
             attachments

shop/lib/actions/email-templates.ts

@@ -1,195 +1,429 @@
-interface EmailDetails {
+export interface OrderEmailProps {
+  orderNumber: string
+  status: 'pending' | 'pending_approval' | 'in_review' | 'approved' | 'active' | 'completed' | 'cancelled' | 'rejected'
+  formattedDate: string
+  customerCompanyName: string
+  billingModel?: string // e.g. "Kauf" | "Miete (monatlich)" | "Kauf / Miete"
+  rejectionReason?: string
+  siteUrl?: string
+  items?: any[]
+  partnerCompanyName?: string
+  partnerUserName?: string
+  partnerUserEmail?: string
+  taxRate?: number
+  oneTimeNet?: number
+  monthlyNet?: number
+}
+
+export function generateOrderEmailSubject(orderNumber: string, status: string): string {
+  const formattedOrderNumber = (orderNumber || '').replace(/^BE-/, 'AE-')
+  if (status === 'approved' || status === 'active' || status === 'completed') {
+    return `Auftragsbestätigung: Anfrage #${formattedOrderNumber} freigegeben`
+  }
+  if (status === 'rejected' || status === 'cancelled') {
+    return `Status-Update: Anfrage #${formattedOrderNumber} abgelehnt`
+  }
+  return `Eingangsbestätigung: Anfrage #${formattedOrderNumber} eingegangen`
+}
+
+export function generateOrderEmailHtml(props: OrderEmailProps): { text: string; html: string } {
+  const formattedOrderNumber = (props.orderNumber || '').replace(/^BE-/, 'AE-')
+  const siteUrl = props.siteUrl || process.env.NEXT_PUBLIC_SITE_URL || 'https://staging.hephex.de'
+  const taxRate = props.taxRate ?? 19
+  const orderPortalUrl = `${siteUrl}/my-orders`
+
+  // Status Callout configuration
+  let calloutBg = '#f8fafc'
+  let calloutBorder = '#cbd5e1'
+  let calloutTitle = 'Status: Anfrage eingegangen und in Prüfung'
+  let calloutText = 'Ihre Anfrage ist erfolgreich in unserem System eingegangen und wird derzeit vom Support geprüft.'
+  let statusBadgeColor = '#2563eb'
+
+  if (props.status === 'approved' || props.status === 'active' || props.status === 'completed') {
+    calloutBg = '#f0fdf4'
+    calloutBorder = '#86efac'
+    calloutTitle = 'Status: Freigegeben / Aktiv'
+    calloutText = 'Ihre Auftragsbestätigung / Rechnung finden Sie als PDF im Anhang dieser E-Mail.'
+    statusBadgeColor = '#16a34a'
+  } else if (props.status === 'rejected' || props.status === 'cancelled') {
+    calloutBg = '#fef2f2'
+    calloutBorder = '#fca5a5'
+    calloutTitle = 'Status: Anfrage abgelehnt'
+    calloutText = props.rejectionReason
+      ? `Begründung: "${props.rejectionReason}"`
+      : 'Ihre Anfrage wurde vom Support geprüft und konnte leider nicht freigegeben werden.'
+    statusBadgeColor = '#dc2626'
+  }
+
+  // Calculate prices if items provided
+  let oneTimeNet = props.oneTimeNet ?? 0
+  let monthlyNet = props.monthlyNet ?? 0
+  const items = props.items || []
+
+  if (items.length > 0 && props.oneTimeNet === undefined && props.monthlyNet === undefined) {
+    items.forEach((item: any) => {
+      if (item.billing_interval === 'monthly') {
+        monthlyNet += item.base_price || 0
+      } else {
+        oneTimeNet += item.base_price || 0
+      }
+
+      item.selected_modules?.forEach((mod: any) => {
+        const qty = mod.quantity || 1
+        const price = mod.total_price ?? (mod.price * qty)
+        monthlyNet += price
+      })
+    })
+  }
+
+  const oneTimeTax = Math.round(oneTimeNet * (taxRate / 100) * 100) / 100
+  const oneTimeGross = Math.round((oneTimeNet + oneTimeTax) * 100) / 100
+
+  const monthlyTax = Math.round(monthlyNet * (taxRate / 100) * 100) / 100
+  const monthlyGross = Math.round((monthlyNet + monthlyTax) * 100) / 100
+
+  const formatEuro = (val: number) =>
+    new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(val)
+
+  // Determine Billing Model Label
+  let billingModelLabel = props.billingModel
+  if (!billingModelLabel) {
+    if (oneTimeNet > 0 && monthlyNet > 0) {
+      billingModelLabel = 'Kauf & Miete'
+    } else if (monthlyNet > 0) {
+      billingModelLabel = 'Miete (monatlich)'
+    } else {
+      billingModelLabel = 'Kauf (einmalig)'
+    }
+  }
+
+  // Group items by Device
+  const groupedItems: { [key: string]: any[] } = {}
+  items.forEach((item: any) => {
+    const devName = item.device_name || 'Kasse 1'
+    if (!groupedItems[devName]) {
+      groupedItems[devName] = []
+    }
+    groupedItems[devName].push(item)
+  })
+
+  // Build Text Breakdown
+  let itemsBreakdownText = ''
+  if (items.length > 0) {
+    itemsBreakdownText += '\nKassen-Aufstellung:\n'
+    Object.entries(groupedItems).forEach(([devName, devItems]) => {
+      itemsBreakdownText += `\n[ ${devName} ]\n`
+      devItems.forEach((item: any) => {
+        itemsBreakdownText += `  - ${item.product_name} (${item.category_name || 'Basis'}): ${formatEuro(item.base_price || 0)} ${item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}\n`
+        item.selected_modules?.forEach((mod: any) => {
+          const qty = mod.quantity || 1
+          const price = mod.total_price ?? (mod.price * qty)
+          itemsBreakdownText += `    + ${mod.module_name} ${qty > 1 ? `(x${qty})` : ''}: +${formatEuro(price)} mtl.\n`
+        })
+      })
+    })
+  }
+
+  let totalsText = ''
+  if (oneTimeNet > 0) {
+    totalsText += `\nEinmalige Beträge:\n- Netto: ${formatEuro(oneTimeNet)}\n- zzgl. ${taxRate}% MwSt: ${formatEuro(oneTimeTax)}\n- Brutto Gesamt: ${formatEuro(oneTimeGross)}\n`
+  }
+  if (monthlyNet > 0) {
+    totalsText += `\nMonatliche Beträge:\n- Netto: ${formatEuro(monthlyNet)} / mtl.\n- zzgl. ${taxRate}% MwSt: ${formatEuro(monthlyTax)} / mtl.\n- Brutto Gesamt: ${formatEuro(monthlyGross)} / mtl.\n`
+  }
+
+  let partnerPlainText = ''
+  if (props.partnerCompanyName || props.partnerUserName || props.partnerUserEmail) {
+    partnerPlainText = `\nPartner / Betreuer:\n- Firma: ${props.partnerCompanyName || '-'}\n- Ansprechpartner: ${props.partnerUserName || '-'}\n- E-Mail: ${props.partnerUserEmail || '-'}\n`
+  }
+
+  const text = `CASPOS B2B Portal\nAnfrage #${formattedOrderNumber}\n\n${calloutTitle}\n${calloutText}\n\nAuftragsdetails:\n- Endkunde: ${props.customerCompanyName}\n- Datum: ${props.formattedDate}\n- Abrechnung: ${billingModelLabel}\n${partnerPlainText}${itemsBreakdownText}${totalsText}\n\nAnfrage im Portal ansehen: ${orderPortalUrl}\n\nCASPOS Computerabrechnungssysteme GmbH\nAlte Bundesstraße 16 · 76846 Hauenstein\nAmtsgericht Zweibrücken HRB 12345\nAutomatische Systembenachrichtigung.`
+
+  // Build HTML Items Rows
+  let itemsHtmlRows = ''
+  if (items.length > 0) {
+    Object.entries(groupedItems).forEach(([devName, devItems]) => {
+      itemsHtmlRows += `
+        <tr>
+          <td colspan="2" style="padding: 10px 14px; background-color: #f1f5f9; font-weight: 600; font-size: 13px; color: #1e293b; border-bottom: 1px solid #e2e8f0;">
+            ${devName === 'Zusatzleistung' ? 'Backoffice / Zusatzleistung' : `Kassengerät: ${devName}`}
+          </td>
+        </tr>
+      `
+      devItems.forEach((item: any) => {
+        itemsHtmlRows += `
+          <tr>
+            <td style="padding: 8px 14px; font-size: 13px; color: #334155; font-weight: 500; border-bottom: 1px solid #f1f5f9;">
+              ${item.product_name} <span style="font-size: 11px; color: #64748b;">(${item.category_name || 'Basis'})</span>
+            </td>
+            <td style="padding: 8px 14px; text-align: right; font-size: 13px; font-weight: 600; color: #0f172a; border-bottom: 1px solid #f1f5f9;">
+              ${formatEuro(item.base_price || 0)} <span style="font-size: 11px; color: #64748b; font-weight: normal;">${item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}</span>
+            </td>
+          </tr>
+        `
+        item.selected_modules?.forEach((mod: any) => {
+          const qty = mod.quantity || 1
+          const price = mod.total_price ?? (mod.price * qty)
+          itemsHtmlRows += `
+            <tr>
+              <td style="padding: 4px 14px 4px 28px; color: #64748b; font-size: 12px; border-bottom: 1px solid #f8fafc;">
+                + ${mod.module_name} ${qty > 1 ? `<span style="font-size: 10px; font-weight: 600;">(x${qty})</span>` : ''}
+              </td>
+              <td style="padding: 4px 14px; text-align: right; color: #64748b; font-size: 12px; border-bottom: 1px solid #f8fafc;">
+                +${formatEuro(price)} <span style="font-size: 10px;">mtl.</span>
+              </td>
+            </tr>
+          `
+        })
+      })
+    })
+  }
+
+  // Build HTML Partner Section
+  let partnerHtml = ''
+  if (props.partnerCompanyName || props.partnerUserName || props.partnerUserEmail) {
+    partnerHtml = `
+      <tr>
+        <td colspan="2" style="padding: 12px 0 4px 0; border-top: 1px solid #e2e8f0; font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: #64748b;">Partner & Betreuung:</td>
+      </tr>
+      ${props.partnerCompanyName ? `<tr><td style="padding: 3px 0; font-size: 13px; color: #64748b;">Firma:</td><td style="padding: 3px 0; font-size: 13px; font-weight: 500; color: #0f172a; text-align: right;">${props.partnerCompanyName}</td></tr>` : ''}
+      ${props.partnerUserName ? `<tr><td style="padding: 3px 0; font-size: 13px; color: #64748b;">Ansprechpartner:</td><td style="padding: 3px 0; font-size: 13px; color: #0f172a; text-align: right;">${props.partnerUserName}</td></tr>` : ''}
+      ${props.partnerUserEmail ? `<tr><td style="padding: 3px 0; font-size: 13px; color: #64748b;">E-Mail:</td><td style="padding: 3px 0; font-size: 13px; color: #0f172a; text-align: right;">${props.partnerUserEmail}</td></tr>` : ''}
+    `
+  }
+
+  // Totals Section HTML
+  let totalsHtml = ''
+  if (oneTimeNet > 0 || monthlyNet > 0) {
+    totalsHtml = `
+      <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="margin-top: 16px; border-top: 2px solid #e2e8f0; padding-top: 12px; font-size: 13px; color: #334155;">
+        ${oneTimeNet > 0 ? `
+          <tr>
+            <td colspan="2" style="padding: 4px 0; font-weight: 600; font-size: 11px; text-transform: uppercase; color: #64748b; letter-spacing: 0.05em;">Einmalige Beträge:</td>
+          </tr>
+          <tr>
+            <td style="padding: 2px 0; color: #64748b;">Netto-Zwischensumme:</td>
+            <td style="padding: 2px 0; text-align: right; font-weight: 500; color: #0f172a;">${formatEuro(oneTimeNet)}</td>
+          </tr>
+          <tr>
+            <td style="padding: 2px 0; color: #64748b;">zzgl. ${taxRate}% MwSt:</td>
+            <td style="padding: 2px 0; text-align: right; color: #64748b;">${formatEuro(oneTimeTax)}</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0 10px 0; font-weight: 600; color: #0f172a;">Gesamt einmalig (brutto):</td>
+            <td style="padding: 4px 0 10px 0; text-align: right; font-weight: 700; color: #0f172a; font-size: 14px;">${formatEuro(oneTimeGross)}</td>
+          </tr>
+        ` : ''}
+        ${monthlyNet > 0 ? `
+          <tr>
+            <td colspan="2" style="padding: ${oneTimeNet > 0 ? '10px' : '4px'} 0 4px 0; font-weight: 600; font-size: 11px; text-transform: uppercase; color: #64748b; letter-spacing: 0.05em; ${oneTimeNet > 0 ? 'border-top: 1px dashed #e2e8f0;' : ''}">Monatlich wiederkehrend:</td>
+          </tr>
+          <tr>
+            <td style="padding: 2px 0; color: #64748b;">Netto-Zwischensumme:</td>
+            <td style="padding: 2px 0; text-align: right; font-weight: 500; color: #0f172a;">${formatEuro(monthlyNet)} / mtl.</td>
+          </tr>
+          <tr>
+            <td style="padding: 2px 0; color: #64748b;">zzgl. ${taxRate}% MwSt:</td>
+            <td style="padding: 2px 0; text-align: right; color: #64748b;">${formatEuro(monthlyTax)} / mtl.</td>
+          </tr>
+          <tr>
+            <td style="padding: 4px 0; font-weight: 600; color: #0f172a;">Gesamt monatlich (brutto):</td>
+            <td style="padding: 4px 0; text-align: right; font-weight: 700; color: #0f172a; font-size: 14px;">${formatEuro(monthlyGross)} / mtl.</td>
+          </tr>
+        ` : ''}
+      </table>
+    `
+  }
+
+  const html = `<!DOCTYPE html>
+<html lang="de">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>CASPOS B2B Portal - #${formattedOrderNumber}</title>
+</head>
+<body style="margin: 0; padding: 0; background-color: #f8fafc; font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; color: #0f172a;">
+  <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="background-color: #f8fafc; padding: 24px 12px;">
+    <tr>
+      <td align="center">
+        <!-- Main Card (max-width 600px) -->
+        <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="max-width: 600px; background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);">
+          
+          <!-- Header Banner -->
+          <tr>
+            <td style="background-color: #0f172a; padding: 24px; text-align: left;">
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0">
+                <tr>
+                  <td>
+                    <div style="font-size: 18px; font-weight: 700; color: #ffffff; letter-spacing: -0.02em; text-transform: uppercase;">CASPOS B2B Portal</div>
+                    <div style="font-size: 12px; color: #94a3b8; margin-top: 2px;">Die Kasse · Fachhandelsportal</div>
+                  </td>
+                  <td align="right" style="vertical-align: middle;">
+                    <span style="font-family: monospace, Courier, monospace; font-size: 14px; font-weight: 600; color: #38bdf8; background-color: #1e293b; padding: 6px 10px; border-radius: 4px; border: 1px solid #334155;">
+                      #${formattedOrderNumber}
+                    </span>
+                  </td>
+                </tr>
+              </table>
+            </td>
+          </tr>
+
+          <!-- Body Content -->
+          <tr>
+            <td style="padding: 24px;">
+              
+              <!-- Status Callout -->
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="background-color: ${calloutBg}; border-left: 4px solid ${statusBadgeColor}; border-top: 1px solid ${calloutBorder}; border-right: 1px solid ${calloutBorder}; border-bottom: 1px solid ${calloutBorder}; border-radius: 4px; margin-bottom: 24px;">
+                <tr>
+                  <td style="padding: 14px 16px;">
+                    <div style="font-weight: 700; font-size: 14px; color: #0f172a; margin-bottom: 4px;">${calloutTitle}</div>
+                    <div style="font-size: 13px; color: #334155; line-height: 1.5;">${calloutText}</div>
+                  </td>
+                </tr>
+              </table>
+
+              <!-- Order & Customer Meta Table -->
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 16px; margin-bottom: 24px;">
+                <tr>
+                  <td>
+                    <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="font-size: 13px;">
+                      <tr>
+                        <td style="padding: 4px 0; color: #64748b; width: 140px;">Endkunde:</td>
+                        <td style="padding: 4px 0; font-weight: 600; color: #0f172a; text-align: right;">${props.customerCompanyName}</td>
+                      </tr>
+                      <tr>
+                        <td style="padding: 4px 0; color: #64748b;">Bestelldatum:</td>
+                        <td style="padding: 4px 0; font-weight: 500; color: #0f172a; text-align: right;">${props.formattedDate}</td>
+                      </tr>
+                      <tr>
+                        <td style="padding: 4px 0; color: #64748b;">Abrechnungsmodell:</td>
+                        <td style="padding: 4px 0; font-weight: 500; color: #0f172a; text-align: right;">${billingModelLabel}</td>
+                      </tr>
+                      ${partnerHtml}
+                    </table>
+                  </td>
+                </tr>
+              </table>
+
+              <!-- Hardware / Modules Breakdown -->
+              ${items.length > 0 ? `
+                <div style="font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #475569; margin-bottom: 8px;">Kassen-Aufstellung</div>
+                <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="border: 1px solid #e2e8f0; border-radius: 6px; overflow: hidden; margin-bottom: 20px;">
+                  ${itemsHtmlRows}
+                </table>
+              ` : ''}
+
+              <!-- Totals -->
+              ${totalsHtml}
+
+              <!-- Primary Action Button -->
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="margin-top: 32px; margin-bottom: 8px;">
+                <tr>
+                  <td align="center">
+                    <a href="${orderPortalUrl}" target="_blank" style="display: inline-block; background-color: #2563eb; color: #ffffff; text-decoration: none; font-size: 14px; font-weight: 600; padding: 12px 28px; border-radius: 6px; box-shadow: 0 1px 2px rgba(0,0,0,0.1);">
+                      [ Anfrage im Portal ansehen ]
+                    </a>
+                  </td>
+                </tr>
+              </table>
+
+            </td>
+          </tr>
+
+          <!-- Footer -->
+          <tr>
+            <td style="background-color: #f8fafc; border-top: 1px solid #e2e8f0; padding: 20px 24px; text-align: center; font-size: 12px; color: #64748b; line-height: 1.5;">
+              <p style="margin: 0; font-weight: 600; color: #475569;">CASPOS Computerabrechnungssysteme GmbH</p>
+              <p style="margin: 2px 0 0 0;">Alte Bundesstraße 16 · 76846 Hauenstein · Amtsgericht Zweibrücken HRB 12345</p>
+              <p style="margin: 8px 0 0 0; font-size: 11px; color: #94a3b8;">Dies ist eine automatische Transaktions-E-Mail des CASPOS B2B Portals.</p>
+            </td>
+          </tr>
+
+        </table>
+      </td>
+    </tr>
+  </table>
+</body>
+</html>`
+
+  return { text, html }
+}
+
+// Backwards-compatible Wrappers
+export function getOrderEmailTemplate(
+  details: {
     orderNumber: string
     formattedDate: string
     customerCompanyName: string
-  totalDetailsText: string
-  totalDetailsHtml: string
+    totalDetailsText?: string
+    totalDetailsHtml?: string
     itemsDetailsText?: string
     itemsDetailsHtml?: string
     partnerCompanyName?: string
     partnerUserName?: string
     partnerUserEmail?: string
-}
-
-export function getOrderEmailTemplate(
-  details: EmailDetails,
+    items?: any[]
+    taxRate?: number
+    oneTimeNet?: number
+    monthlyNet?: number
+    billingModel?: string
+  },
   siteUrl: string,
   isUpdate: boolean = false,
-  primaryColor: string = '#2563eb'
+  _primaryColor?: string
 ) {
-  const title = isUpdate ? 'Anfrage geändert' : 'Anfrage erhalten'
-  const intro = isUpdate
-    ? `Deine Anfrage ${details.orderNumber} wurde aktualisiert.`
-    : `Deine Anfrage ${details.orderNumber} ist bei uns eingegangen und wird bearbeitet.`
-
-  let partnerText = ''
-  let partnerHtml = ''
-  if (details.partnerCompanyName || details.partnerUserName || details.partnerUserEmail) {
-    partnerText = `\nPartner-Informationen:`
-    if (details.partnerCompanyName) partnerText += `\n- Firma: ${details.partnerCompanyName}`
-    if (details.partnerUserName) partnerText += `\n- Benutzer: ${details.partnerUserName}`
-    if (details.partnerUserEmail) partnerText += `\n- E-Mail: ${details.partnerUserEmail}`
-    partnerText += `\n`
-
-    partnerHtml = `
-      <tr>
-        <td colspan="2" style="padding: 8px 0; border-top: 1px solid #e2e8f0; font-weight: bold; color: #0f172a;">Partner-Informationen:</td>
-      </tr>
-    `
-    if (details.partnerCompanyName) {
-      partnerHtml += `
-        <tr>
-          <td style="padding: 4px 0; padding-left: 10px; color: #475569; font-weight: bold;">Firma:</td>
-          <td style="padding: 4px 0; color: #475569;">${details.partnerCompanyName}</td>
-        </tr>
-      `
-    }
-    if (details.partnerUserName) {
-      partnerHtml += `
-        <tr>
-          <td style="padding: 4px 0; padding-left: 10px; color: #475569; font-weight: bold;">Benutzer:</td>
-          <td style="padding: 4px 0; color: #475569;">${details.partnerUserName}</td>
-        </tr>
-      `
-    }
-    if (details.partnerUserEmail) {
-      partnerHtml += `
-        <tr>
-          <td style="padding: 4px 0; padding-left: 10px; color: #475569; font-weight: bold;">E-Mail:</td>
-          <td style="padding: 4px 0; color: #475569;">${details.partnerUserEmail}</td>
-        </tr>
-      `
-    }
-  }
-
-  const text = `Hallo,\n\n${isUpdate ? 'Deine Anfrage wurde aktualisiert.' : 'Deine Anfrage ist bei uns eingegangen.'}\n\nDetails:\n- Nummer: ${details.orderNumber}\n- Datum: ${details.formattedDate}\n- Kunde: ${details.customerCompanyName}\n${partnerText}${details.itemsDetailsText || ''}\n${details.totalDetailsText}\n\nDeine Anfragebestätigung findest du im Anhang als PDF.\n\nPDF-Link: ${siteUrl}/api/orders/${details.orderNumber}/download\n\nViele Grüße,\nDein CASPOS Team`
-
-  const html = `
-    <div style="font-family: sans-serif; max-width: 600px; margin: 0 auto; padding: 20px; border: 1px solid #e2e8f0; border-radius: 8px;">
-      <h2 style="color: ${primaryColor}; margin-bottom: 16px;">${title}</h2>
-      <p style="color: #475569; font-size: 16px; line-height: 1.5;">Hallo,</p>
-      <p style="color: #475569; font-size: 16px; line-height: 1.5;">${intro}</p>
-      <div style="background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 16px; margin: 24px 0;">
-        <h3 style="color: #0f172a; margin-top: 0; margin-bottom: 12px;">Details</h3>
-        <table style="width: 100%; border-collapse: collapse; font-size: 14px; color: #475569;">
-          <tr>
-            <td style="padding: 4px 0; font-weight: bold; width: 140px;">Nummer:</td>
-            <td style="padding: 4px 0;">${details.orderNumber}</td>
-          </tr>
-          <tr>
-            <td style="padding: 4px 0; font-weight: bold;">Datum:</td>
-            <td style="padding: 4px 0;">${details.formattedDate}</td>
-          </tr>
-          <tr>
-            <td style="padding: 4px 0; font-weight: bold;">Kunde:</td>
-            <td style="padding: 4px 0;">${details.customerCompanyName}</td>
-          </tr>
-          ${partnerHtml}
-          ${details.itemsDetailsHtml || ''}
-          ${details.totalDetailsHtml}
-        </table>
-      </div>
-      <p style="color: #475569; font-size: 16px; line-height: 1.5;">Die Bestätigung liegt als PDF im Anhang.</p>
-      <p style="color: #475569; font-size: 16px; line-height: 1.5;">
-        <a href="${siteUrl}/api/orders/${details.orderNumber}/download" style="color: ${primaryColor}; text-decoration: underline; font-weight: 500;">Anfragebestätigung PDF herunterladen</a>
-      </p>
-      <p style="color: #475569; font-size: 16px; line-height: 1.5; margin-top: 24px;">Viele Grüße,<br>Dein CASPOS Team</p>
-    </div>
-  `
-
-  return { text, html }
+  return generateOrderEmailHtml({
+    orderNumber: details.orderNumber,
+    status: isUpdate ? 'in_review' : 'pending',
+    formattedDate: details.formattedDate,
+    customerCompanyName: details.customerCompanyName,
+    billingModel: details.billingModel,
+    siteUrl,
+    items: details.items,
+    partnerCompanyName: details.partnerCompanyName,
+    partnerUserName: details.partnerUserName,
+    partnerUserEmail: details.partnerUserEmail,
+    taxRate: details.taxRate,
+    oneTimeNet: details.oneTimeNet,
+    monthlyNet: details.monthlyNet,
+  })
 }
 
 export function getStatusEmailTemplate(
   orderNumber: string,
-  oldLabel: string,
-  newLabel: string,
+  _oldLabel: string,
+  _newLabel: string,
   statusKey?: string,
-  rejectionReason?: string
-) {
-  const formattedOrderNumber = orderNumber.replace(/^BE-/, 'AE-')
-  
-  let title = 'Statusänderung'
-  let intro = `der Status deiner Anfrage <strong>#${formattedOrderNumber}</strong> wurde aktualisiert.`
-  let statusColor = '#f59e0b' // Amber default
-  let showAttachmentBadge = false
-
-  if (statusKey === 'approved' || statusKey === 'active' || statusKey === 'completed') {
-    title = 'Freigabebestätigung'
-    intro = `Ihre Anfrage <strong>#${formattedOrderNumber}</strong> wurde erfolgreich freigegeben und ist nun aktiv. Die unterzeichnete Anfragebestätigung finden Sie im Anhang dieses Schreibens.`
-    statusColor = '#10b981' // Emerald
-    showAttachmentBadge = true
-  } else if (statusKey === 'rejected') {
-    title = 'Anfrage abgelehnt'
-    intro = `Ihre Anfrage <strong>#${formattedOrderNumber}</strong> wurde vom Support geprüft und abgelehnt.`
-    statusColor = '#ef4444' // Red
-  } else if (statusKey === 'pending_approval' || statusKey === 'in_review' || statusKey === 'pending') {
-    title = 'Eingangsbestätigung'
-    intro = `Ihre Anfrage <strong>#${formattedOrderNumber}</strong> ist eingegangen und wird derzeit von unserem Support geprüft.`
-    statusColor = '#f59e0b'
+  rejectionReason?: string,
+  extraDetails?: {
+    customerCompanyName?: string
+    formattedDate?: string
+    billingModel?: string
+    items?: any[]
+    partnerCompanyName?: string
+    partnerUserName?: string
+    partnerUserEmail?: string
+    taxRate?: number
+    oneTimeNet?: number
+    monthlyNet?: number
   }
-
-  const text = `Hallo,\n\n${title}\n\n${intro.replace(/<[^>]*>/g, '')}\n\nStatus: ${newLabel} (vorher: ${oldLabel})\n${rejectionReason ? `Grund: ${rejectionReason}\n` : ''}\nViele Grüße,\nDein CASPOS Team`
-
-  const reasonSection = rejectionReason
-    ? `
-      <div style="margin-top: 20px; padding: 12px 16px; background-color: rgba(239, 68, 68, 0.1); border-left: 4px solid #ef4444; border-radius: 4px;">
-        <p style="margin: 0; font-size: 11px; color: #ef4444; font-weight: bold; text-transform: uppercase; tracking-spacing: 0.05em;">Begründung:</p>
-        <p style="margin: 4px 0 0 0; font-size: 14px; color: #f8fafc; font-style: italic;">"${rejectionReason}"</p>
-      </div>
-    `
-    : ''
-
-  const footerActions = showAttachmentBadge
-    ? `
-      <p style="text-align: center; margin: 32px 0 0 0;">
-        <span style="display: inline-block; background-color: #1e293b; border: 1px solid #334155; border-radius: 6px; padding: 10px 20px; color: #3b82f6; font-size: 13px; font-weight: bold; letter-spacing: 0.025em;">
-          PDF im Anhang verfügbar
-        </span>
-      </p>
-    `
-    : ''
-
-  const html = `
-    <div style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; max-width: 600px; margin: 0 auto; padding: 32px; border: 1px solid #1e293b; border-radius: 12px; background-color: #0b0f19; color: #f8fafc;">
-      <div style="text-align: center; margin-bottom: 32px;">
-        <h1 style="color: #3b82f6; font-size: 26px; margin: 0; font-weight: 900; letter-spacing: -0.025em; text-transform: uppercase;">CASPOS</h1>
-        <p style="color: #64748b; font-size: 10px; margin: 2px 0 0 0; text-transform: uppercase; letter-spacing: 0.2em; font-weight: bold;">Die Kasse</p>
-      </div>
-      
-      <div style="background-color: #111827; border: 1px solid #1e293b; border-radius: 8px; padding: 24px; margin-bottom: 24px;">
-        <h2 style="color: #ffffff; font-size: 18px; margin-top: 0; margin-bottom: 12px; font-weight: 700;">${title}</h2>
-        <p style="color: #cbd5e1; font-size: 14px; line-height: 1.6; margin-top: 0;">Hallo,</p>
-        <p style="color: #cbd5e1; font-size: 14px; line-height: 1.6;">${intro}</p>
-        
-        <table style="width: 100%; border-collapse: collapse; font-size: 13px; color: #cbd5e1; margin-top: 20px;">
-          <tr>
-            <td style="padding: 8px 0; border-bottom: 1px solid #1e293b; color: #64748b; width: 140px; font-weight: 600; text-transform: uppercase; font-size: 11px;">Anfragenummer:</td>
-            <td style="padding: 8px 0; border-bottom: 1px solid #1e293b; font-family: monospace; font-weight: bold; color: #3b82f6; font-size: 14px;">#${formattedOrderNumber}</td>
-          </tr>
-          <tr>
-            <td style="padding: 8px 0; border-bottom: 1px solid #1e293b; color: #64748b; font-weight: 600; text-transform: uppercase; font-size: 11px;">Vorher:</td>
-            <td style="padding: 8px 0; border-bottom: 1px solid #1e293b; text-decoration: line-through; color: #475569;">${oldLabel}</td>
-          </tr>
-          <tr>
-            <td style="padding: 8px 0; border-bottom: 1px solid #1e293b; color: #64748b; font-weight: 600; text-transform: uppercase; font-size: 11px;">Aktuell:</td>
-            <td style="padding: 8px 0; border-bottom: 1px solid #1e293b; font-weight: bold; color: ${statusColor}; font-size: 14px;">${newLabel}</td>
-          </tr>
-        </table>
-        
-        ${reasonSection}
-      </div>
-      
-      ${footerActions}
-      
-      <div style="text-align: center; margin-top: 32px; border-top: 1px solid #1e293b; padding-top: 20px; color: #475569; font-size: 11px; line-height: 1.5;">
-        <p style="margin: 0; font-weight: 600;">CASPOS Computerabrechnungssysteme GmbH · Alte Bundesstraße 16 · 76846 Hauenstein</p>
-        <p style="margin: 4px 0 0 0;">Dies ist eine automatisch generierte Systembenachrichtigung.</p>
-      </div>
-    </div>
-  `
-
-  return { text, html }
+) {
+  const status = (statusKey || 'pending') as any
+  return generateOrderEmailHtml({
+    orderNumber,
+    status,
+    formattedDate: extraDetails?.formattedDate || new Date().toLocaleDateString('de-DE'),
+    customerCompanyName: extraDetails?.customerCompanyName || 'Endkunde',
+    billingModel: extraDetails?.billingModel,
+    rejectionReason,
+    items: extraDetails?.items,
+    partnerCompanyName: extraDetails?.partnerCompanyName,
+    partnerUserName: extraDetails?.partnerUserName,
+    partnerUserEmail: extraDetails?.partnerUserEmail,
+    taxRate: extraDetails?.taxRate,
+    oneTimeNet: extraDetails?.oneTimeNet,
+    monthlyNet: extraDetails?.monthlyNet,
+  })
 }
 
 export function buildEmailItemsSection(items: any[]) {
@@ -218,14 +452,14 @@ export function buildEmailItemsSection(items: any[]) {
     `
 
     devItems.forEach((item: any) => {
-      itemsDetailsText += `\n  * ${item.product_name} (${item.category_name}): ${item.base_price.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} ${item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}`
+      itemsDetailsText += `\n  * ${item.product_name} (${item.category_name}): ${Number(item.base_price || 0).toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} ${item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}`
       itemsDetailsHtml += `
         <tr>
           <td style="padding: 6px 8px; font-size: 13px; color: #334155; font-weight: 500;">
             ${item.product_name} <span style="font-size: 11px; color: #64748b;">(${item.category_name})</span>
           </td>
           <td style="padding: 6px 8px; text-align: right; font-size: 13px; font-weight: bold; color: #0f172a;">
-            ${item.base_price.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} ${item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}
+            ${Number(item.base_price || 0).toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} ${item.billing_interval === 'one_time' ? 'einmalig' : 'mtl.'}
           </td>
         </tr>
       `
@@ -233,14 +467,14 @@ export function buildEmailItemsSection(items: any[]) {
       item.selected_modules?.forEach((mod: any) => {
         const qty = mod.quantity || 1
         const price = mod.total_price ?? (mod.price * qty)
-        itemsDetailsText += `\n    + ${mod.module_name} ${qty > 1 ? `(x${qty})` : ''}: +${price.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} mtl.`
+        itemsDetailsText += `\n    + ${mod.module_name} ${qty > 1 ? `(x${qty})` : ''}: +${Number(price || 0).toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} mtl.`
         itemsDetailsHtml += `
           <tr>
             <td style="padding: 4px 8px 4px 20px; color: #64748b; font-size: 12px;">
               + ${mod.module_name} ${qty > 1 ? `<span style="font-size: 10px; font-weight: 600;">(x${qty})</span>` : ''}
             </td>
             <td style="padding: 4px 8px; text-align: right; color: #64748b; font-size: 12px;">
-              +${price.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} mtl.
+              +${Number(price || 0).toLocaleString('de-DE', { style: 'currency', currency: 'EUR' })} mtl.
             </td>
           </tr>
         `
@@ -253,4 +487,3 @@ export function buildEmailItemsSection(items: any[]) {
     html: itemsDetailsHtml
   }
 }
-

shop/lib/actions/orders.ts

@@ -12,7 +12,13 @@ import { buildCustomerSnapshot, buildOrderSnapshot } from '@/lib/license-transfo
 import type { Category, EndCustomer, Order, Product, Profile, WizardSelections } from '@/lib/types'
 import { getProducts, getCategories } from '@/lib/actions/products'
 import { validateWizardSelections } from '@/lib/actions/validation'
-import { getOrderEmailTemplate, getStatusEmailTemplate, buildEmailItemsSection } from '@/lib/actions/email-templates'
+import {
+  generateOrderEmailHtml,
+  generateOrderEmailSubject,
+  getOrderEmailTemplate,
+  getStatusEmailTemplate,
+  buildEmailItemsSection,
+} from '@/lib/actions/email-templates'
 
 // ─── Hilfsfunktionen ─────────────────────────────────────────────────────────
 
@@ -301,24 +307,25 @@ export async function submitOrder(params: {
           `
         }
 
-        const itemsSection = buildEmailItemsSection(items)
-
-        const emailTemplate = getOrderEmailTemplate({
+        const emailTemplate = generateOrderEmailHtml({
           orderNumber,
+          status: 'pending',
           formattedDate,
           customerCompanyName: customerSnapshot.company_name,
-          totalDetailsText,
-          totalDetailsHtml,
-          itemsDetailsText: itemsSection.text,
-          itemsDetailsHtml: itemsSection.html,
+          items,
           partnerCompanyName,
           partnerUserName,
-          partnerUserEmail
-        }, `${process.env.NEXT_PUBLIC_SITE_URL || 'https://staging.hephex.de'}`, false)
+          partnerUserEmail,
+          taxRate,
+          oneTimeNet,
+          monthlyNet,
+        })
+
+        const mailSubject = generateOrderEmailSubject(orderNumber, 'pending')
 
         await sendMail({
           to: user.email,
-          subject: `Anfragebestätigung ${orderNumber}`,
+          subject: mailSubject,
           text: emailTemplate.text,
           html: emailTemplate.html,
           attachments: [
@@ -343,7 +350,7 @@ export async function submitOrder(params: {
               if (adminEmail !== user.email) {
                 await sendMail({
                   to: adminEmail,
-                  subject: `[Admin-Kopie] Anfragebestätigung ${orderNumber}`,
+                  subject: `[Admin-Kopie] ${mailSubject}`,
                   text: emailTemplate.text,
                   html: emailTemplate.html,
                   attachments: [
@@ -455,24 +462,27 @@ export async function updateOrderStatus(
 
       if (!userError && user && user.email) {
         const orderNumber = order.order_number || order.id.slice(0, 8)
-        const statusLabelMap: Record<string, string> = {
-          pending: 'Eingegangen',
-          pending_approval: 'Wartet auf Freigabe',
-          in_review: 'In Prüfung',
-          approved: 'Freigegeben',
-          active: 'Aktiviert',
-          completed: 'Abgeschlossen',
-          cancelled: 'Storniert',
-          rejected: 'Abgelehnt',
-        }
-        const oldLabel = statusLabelMap[oldStatus] || oldStatus
-        const newLabel = statusLabelMap[newStatus] || newStatus
+        const customerSnapshot = updatedOrder.customer_data || {}
+        const orderSnapshot = updatedOrder.order_data || {}
+        const formattedDate = new Date(updatedOrder.created_at || Date.now()).toLocaleDateString('de-DE')
 
-        const statusEmail = getStatusEmailTemplate(orderNumber, oldLabel, newLabel, newStatus)
+        const statusEmail = generateOrderEmailHtml({
+          orderNumber,
+          status: newStatus,
+          formattedDate,
+          customerCompanyName: customerSnapshot.company_name || 'Endkunde',
+          items: orderSnapshot.items || [],
+          partnerCompanyName: partnerInfo.partnerCompanyName,
+          partnerUserName: partnerInfo.partnerUserName,
+          partnerUserEmail: partnerInfo.partnerUserEmail,
+          taxRate: orderSnapshot.tax_rate ?? 19,
+        })
+
+        const mailSubject = generateOrderEmailSubject(orderNumber, newStatus)
 
         const mailOptions: any = {
           to: user.email,
-          subject: `Statusänderung Ihrer Anfrage ${orderNumber}`,
+          subject: mailSubject,
           text: statusEmail.text,
           html: statusEmail.html,
         }
@@ -504,7 +514,7 @@ export async function updateOrderStatus(
                 await sendMail({
                   ...mailOptions,
                   to: adminEmail,
-                  subject: `[Admin-Kopie] Statusänderung Ihrer Anfrage ${orderNumber}`
+                  subject: `[Admin-Kopie] ${mailSubject}`
                 })
               }
             }
@@ -642,11 +652,29 @@ export async function rejectOrder(
       const { data: { user: orderUser }, error: userError } = await admin.auth.admin.getUserById(order.user_id)
       if (!userError && orderUser && orderUser.email) {
         const orderNumber = order.order_number || order.id.slice(0, 8)
-        const statusEmail = getStatusEmailTemplate(orderNumber, 'Wartet auf Freigabe', 'Abgelehnt', 'rejected', reason)
+        const partnerInfo = await fetchOrderPartnerInfo(admin, updatedOrder.company_id, updatedOrder.user_id)
+        const customerSnapshot = updatedOrder.customer_data || {}
+        const orderSnapshot = updatedOrder.order_data || {}
+        const formattedDate = new Date(updatedOrder.created_at || Date.now()).toLocaleDateString('de-DE')
+
+        const statusEmail = generateOrderEmailHtml({
+          orderNumber,
+          status: 'rejected',
+          formattedDate,
+          customerCompanyName: customerSnapshot.company_name || 'Endkunde',
+          rejectionReason: reason,
+          items: orderSnapshot.items || [],
+          partnerCompanyName: partnerInfo.partnerCompanyName,
+          partnerUserName: partnerInfo.partnerUserName,
+          partnerUserEmail: partnerInfo.partnerUserEmail,
+          taxRate: orderSnapshot.tax_rate ?? 19,
+        })
+
+        const mailSubject = generateOrderEmailSubject(orderNumber, 'rejected')
         
         await sendMail({
           to: orderUser.email,
-          subject: `Anfrage abgelehnt: ${orderNumber}`,
+          subject: mailSubject,
           text: statusEmail.text,
           html: statusEmail.html
         })
@@ -664,7 +692,7 @@ export async function rejectOrder(
               if (adminEmail !== orderUser.email) {
                 await sendMail({
                   to: adminEmail,
-                  subject: `[Admin-Kopie] Anfrage abgelehnt: ${orderNumber}`,
+                  subject: `[Admin-Kopie] ${mailSubject}`,
                   text: statusEmail.text,
                   html: statusEmail.html
                 })
@@ -672,7 +700,7 @@ export async function rejectOrder(
             }
           }
         } catch (adminMailError) {
-          console.error('Failed to notify admins of order rejection:', adminMailError)
+          console.error('Failed to notify admins of rejected order:', adminMailError)
         }
       }
     } catch (mailError) {