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

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) {