// Get existing Helcim subscriptions to understand the format
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 existing subscriptions from Helcim...')
    
    const response = await fetch(`${HELCIM_API_BASE}/subscriptions`, {
      method: 'GET',
      headers: {
        'accept': 'application/json',
        'api-token': helcimToken
      }
    })
    
    if (!response.ok) {
      console.error('Failed to fetch subscriptions:', response.status, response.statusText)
      const errorText = await response.text()
      console.error('Response body:', errorText)
      
      throw createError({
        statusCode: response.status,
        statusMessage: `Failed to fetch subscriptions: ${errorText}`
      })
    }
    
    const subscriptionsData = await response.json()
    console.log('Existing subscriptions:', JSON.stringify(subscriptionsData, null, 2))
    
    return {
      success: true,
      subscriptions: subscriptionsData
    }
    
  } catch (error) {
    console.error('Error fetching Helcim subscriptions:', error)
    throw createError({
      statusCode: error.statusCode || 500,
      statusMessage: error.message || 'Failed to fetch subscriptions'
    })
  }
})