refactor(helcim): use helper in unused admin endpoints

server/api/helcim/update-billing.post.js

@@ -1,48 +1,24 @@
 // Update customer billing address
 import { requireAuth } from '../../utils/auth.js'
-
-const HELCIM_API_BASE = 'https://api.helcim.com/v2'
+import { updateHelcimCustomer } from '../../utils/helcim.js'
 
 export default defineEventHandler(async (event) => {
   try {
     await requireAuth(event)
-    const config = useRuntimeConfig(event)
     const body = await validateBody(event, helcimUpdateBillingSchema)
 
     const { billingAddress } = body
 
-    const helcimToken = config.helcimApiToken
-    
-    // Update customer billing address in Helcim
-    const response = await fetch(`${HELCIM_API_BASE}/customers/${body.customerId}`, {
-      method: 'PATCH',
-      headers: {
-        'accept': 'application/json',
-        'content-type': 'application/json',
-        'api-token': helcimToken
-      },
-      body: JSON.stringify({
-        billingAddress: {
-          name: billingAddress.name,
-          street1: billingAddress.street,
-          city: billingAddress.city,
-          province: billingAddress.province || billingAddress.state,
-          country: billingAddress.country,
-          postalCode: billingAddress.postalCode
-        }
-      })
+    const customerData = await updateHelcimCustomer(body.customerId, {
+      billingAddress: {
+        name: billingAddress.name,
+        street1: billingAddress.street,
+        city: billingAddress.city,
+        province: billingAddress.province || billingAddress.state,
+        country: billingAddress.country,
+        postalCode: billingAddress.postalCode
+      }
     })
-    
-    if (!response.ok) {
-      const errorText = await response.text()
-      console.error('Billing address update failed:', response.status, errorText)
-      throw createError({
-        statusCode: response.status,
-        statusMessage: 'Billing update failed'
-      })
-    }
-    
-    const customerData = await response.json()
 
     return {
       success: true,
@@ -56,4 +32,4 @@ export default defineEventHandler(async (event) => {
       statusMessage: 'An unexpected error occurred'
     })
   }
-})
+})