import isErrorLikeResponse from '../deps/isErrorLikeResponse'

/**
 * @param {RequestChain} requestChain
 * @return {Object | *}
 */
function respondWithMock(requestChain) {
  return requestChain.get('data')
}

/**
 * @param {RequestChain} requestChain
 * @param {Object} [eventData={}]
 * @return {void}
 */
function staticFixtureMiddleware(requestChain, eventData = {}) {
  const { type } = eventData
  if (type !== 'toRequest') {
    return
  }

  const method = requestChain.get('method')
  async function interceptErrorLikeWithFixture(url, params) {
    const [error, response] = await method(url, params)

    if (error) {
      throw error
    } else if (isErrorLikeResponse(response)) {
      return [undefined, respondWithMock(requestChain)]
    } else {
      return [error, response]
    }
  }

  // await method(url, { params })
  requestChain.setMethod(interceptErrorLikeWithFixture)
}

export { staticFixtureMiddleware }
export default staticFixtureMiddleware