import { GraphCommerceConfig } from '@graphcommerce/next-config'

export type HygraphConfig = {
  projectId: string
  authToken: string
  uri: string
}

export function getConfig(config: GraphCommerceConfig) {
  let {
    hygraphProjectId: projectId,
    hygraphWriteAccessToken: authToken,
    hygraphManagementApi: uri,
    hygraphEndpoint,
  } = config

  if (!authToken) {
    throw new Error('Please provide GC_HYGRAPH_WRITE_ACCESS_TOKEN in your env file.')
  }

  if (!projectId) {
    projectId = new URL(hygraphEndpoint).pathname.split('/')?.[1]
  }

  if (!uri) {
    const endpoint = new URL(hygraphEndpoint)
    endpoint.hostname = `management-${endpoint.hostname}`.replace('.cdn', '')
    endpoint.pathname = 'graphql'
    uri = endpoint.toString()
  }

  return { projectId, authToken, uri }
}