import { hexStripZeros } from '@ethersproject/bytes'
import { FNSArgs } from '..'
import { hexEncodeName } from '../utils/hexEncodedName'

const raw = async ({ contracts }: FNSArgs<'contracts'>, name: string) => {
  const universalResolver = await contracts?.getUniversalResolver()!
  return {
    to: universalResolver.address,
    data: universalResolver.interface.encodeFunctionData('findResolver', [
      hexEncodeName(name),
    ]),
  }
}

const decode = async ({ contracts }: FNSArgs<'contracts'>, data: string) => {
  const universalResolver = await contracts?.getUniversalResolver()!
  const response = universalResolver.interface.decodeFunctionResult(
    'findResolver',
    data,
  )

  if (!response || !response[0] || hexStripZeros(response[0]) === '0x') {
    return
  }
  return response[0]
}

export default { raw, decode }