package example

import io.circe._, io.circe.generic.auto._, io.circe.parser._, io.circe.syntax._
import io.circe.optics.JsonPath._

object Hello extends App {
  val json = """
{
  "iam" : {
    "teapot" : "Here is my snout"
  }
}
"""

  case class Iam(teapot: String)

  val res = for {
    js <- parse(json)
    iam <- root.iam.as[Iam].
            getOption(js).toRight(ParsingFailure("iam field not specified", new Throwable))
    snout <- root.iam.teapot.string.
              getOption(js).toRight(ParsingFailure("couldnt get the teapot", new Throwable))

  } yield snout -> iam

  println(res)
}