'use latest'
const fromEvent = require('graphcool-lib').fromEvent

module.exports = function(event) {
  const graphcool = fromEvent(event)
  const api = graphcool.api('simple/v1')

  function getPrices() {
    return api
      .request(
        `
      query {
        allPricings {
          type
          price
        }
      }
    `
      )
      .then(pricingQueryResult => {
      console.log(pricingQueryResult)
        const filteredEntries = pricingQueryResult.allPricings.filter(
          price => price.type === event.data.type
        )
        const applicableEntry = filteredEntries.length
          ? filteredEntries[0]
          : false
        console.log(applicableEntry.price)
        return applicableEntry.price
      })
      .catch(error => {
        return { error: error }
      })
  }

  return getPrices().then((price) => {
    const dataResponse = Object.assign({}, event.data, { priceBase: price })

    return { data: dataResponse }
  })
}