Implement multi-step registration process: Add step indicators, error handling, and payment processing for membership registration. Enhance form validation and user feedback with success and error messages. Refactor state management for improved clarity and maintainability.

server/api/helcim/plans.get.js

@@ -0,0 +1,45 @@
+// Get Helcim payment plans
+const HELCIM_API_BASE = 'https://api.helcim.com/v2'
+
+export default defineEventHandler(async (event) => {
+  try {
+    const config = useRuntimeConfig(event)
+    const helcimToken = config.public.helcimToken || process.env.NUXT_PUBLIC_HELCIM_TOKEN
+    
+    console.log('Fetching payment plans from Helcim...')
+    
+    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)
+      const errorText = await response.text()
+      console.error('Response body:', errorText)
+      
+      throw createError({
+        statusCode: response.status,
+        statusMessage: `Failed to fetch payment plans: ${errorText}`
+      })
+    }
+    
+    const plansData = await response.json()
+    console.log('Payment plans retrieved:', JSON.stringify(plansData, null, 2))
+    
+    return {
+      success: true,
+      plans: plansData
+    }
+    
+  } catch (error) {
+    console.error('Error fetching Helcim payment plans:', error)
+    throw createError({
+      statusCode: error.statusCode || 500,
+      statusMessage: error.message || 'Failed to fetch payment plans'
+    })
+  }
+})