// Test minimal subscription creation to understand required fields
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
    
    // Generate a 25-character idempotency key
    const idempotencyKey = `${Date.now()}-${Math.random().toString(36).substring(2, 15)}`.substring(0, 25)
    
    // Test with minimal fields first
    const testRequest1 = {
      customerCode: 'CST1020', // Use a recent customer code
      planId: 20162
    }
    
    console.log('Testing subscription with minimal fields:', testRequest1)
    
    try {
      const response1 = await fetch(`${HELCIM_API_BASE}/subscriptions`, {
        method: 'POST',
        headers: {
          'accept': 'application/json',
          'content-type': 'application/json',
          'api-token': helcimToken,
          'idempotency-key': idempotencyKey + 'a'
        },
        body: JSON.stringify(testRequest1)
      })
      
      const result1 = await response1.text()
      console.log('Test 1 - Status:', response1.status)
      console.log('Test 1 - Response:', result1)
      
      if (!response1.ok) {
        // Try with paymentPlanId instead
        const testRequest2 = {
          customerCode: 'CST1020',
          paymentPlanId: 20162
        }
        
        console.log('Testing subscription with paymentPlanId:', testRequest2)
        
        const response2 = await fetch(`${HELCIM_API_BASE}/subscriptions`, {
          method: 'POST',
          headers: {
            'accept': 'application/json',
            'content-type': 'application/json',
            'api-token': helcimToken,
            'idempotency-key': idempotencyKey + 'b'
          },
          body: JSON.stringify(testRequest2)
        })
        
        const result2 = await response2.text()
        console.log('Test 2 - Status:', response2.status)
        console.log('Test 2 - Response:', result2)
      }
      
    } catch (error) {
      console.error('Test error:', error)
    }
    
    return {
      success: true,
      message: 'Check server logs for test results'
    }
    
  } catch (error) {
    console.error('Error in test endpoint:', error)
    throw createError({
      statusCode: 500,
      statusMessage: error.message
    })
  }
})