import { OneResponse, OneResponseSerialized } from '../typings'
import { fromHeadersToSerialized } from './fromHeadersToSerialized'

/**
 * @see https://github.com/bitinn/node-fetch/tree/master/src
 * @see https://github.com/apollographql/apollo-server/blob/master/packages/apollo-server-env/src/index.ts
 * @see https://github.com/apollographql/apollo-server/blob/master/packages/apollo-server-env/src/index.d.ts *
 */
export function fromResponseToSerialized(
  response: OneResponse | Response
): OneResponseSerialized {
  const temp: any = {} as any
  const clean: any = {} as OneResponseSerialized

  Object.getOwnPropertySymbols(response).forEach(symbol => {
    // String(symbol) !== 'Symbol(Body internals)'
    if (!response[symbol].body) {
      temp[String(symbol)] = response[symbol]
    }
  })

  // const combined = { ...temp, ...response, ...temp['Symbol(Body internals)'] }
  const asResponse = response as Response
  const asOneResponse = response as OneResponse

  if (asResponse.type) {
    clean.type = asResponse.type
  }
  if (asResponse.status) {
    clean.status = asResponse.status
  }
  if (asResponse.statusText) {
    clean.statusText = asResponse.statusText
  }
  if (asResponse.url) {
    clean.url = asResponse.url
  }
  if (asResponse.headers) {
    clean.headers = fromHeadersToSerialized(asResponse.headers)
  }

  if (asOneResponse.data) {
    clean.data = asOneResponse.data
  }
  if (asOneResponse.prettyError) {
    // not that helpful, is on clean already
  }

  return clean
}