// Start a card update: returns { clientSecret, publishableKey } for the portal
// to mount Stripe Elements. Proxies POST /tenants/:slug/payment-method/setup-intent.

import { getUserSession } from 'nuxt-oidc-auth/runtime/server/utils/session.js'

export default defineEventHandler(async (event) => {
  const session = await getUserSession(event).catch(() => null)
  const accessToken = (session as { accessToken?: string } | null)?.accessToken
  if (!accessToken) {
    throw createError({ statusCode: 401, statusMessage: 'Not signed in' })
  }
  const slug = getRouterParam(event, 'slug')
  const base = process.env.PLATFORM_API_INTERNAL_URL ?? 'http://platform-api:3001'
  return $fetch(`${base}/tenants/${slug}/payment-method/setup-intent`, {
    method: 'POST',
    headers: { Authorization: `Bearer ${accessToken}` },
  })
})