refactor(helcim): use helper in unused admin endpoints

server/api/helcim/plans.get.js

@@ -1,35 +1,17 @@
 // Get Helcim payment plans
-const HELCIM_API_BASE = 'https://api.helcim.com/v2'
+import { listHelcimPlans } from '../../utils/helcim.js'
 
 export default defineEventHandler(async (event) => {
   try {
     await requireAdmin(event)
-    const config = useRuntimeConfig(event)
-    const helcimToken = config.helcimApiToken
-    
-    const response = await fetch(`${HELCIM_API_BASE}/payment-plans`, {
-      method: 'GET',
-      headers: {
-        'accept': 'application/json',
-        'api-token': helcimToken
-      }
-    })
-    
-    if (!response.ok) {
-      console.error('Failed to fetch payment plans:', response.status, response.statusText)
-      throw createError({
-        statusCode: response.status,
-        statusMessage: 'Failed to fetch payment plans'
-      })
-    }
-    
-    const plansData = await response.json()
-    
+
+    const plansData = await listHelcimPlans()
+
     return {
       success: true,
       plans: plansData
     }
-    
+
   } catch (error) {
     if (error.statusCode) throw error
     console.error('Error fetching Helcim payment plans:', error)
@@ -38,4 +20,4 @@ export default defineEventHandler(async (event) => {
       statusMessage: 'An unexpected error occurred'
     })
   }
-})
+})