/**
 * Generated by API Builder - https://www.apibuilder.io
 * Service version: 0.15.4
 * User agent: apibuilder app.apibuilder.io/apicollective/example-interface/0.15.4/play_2_x_standalone_json
 */
package io.example.interface.v0.models {

  trait DatabaseRecord {
    def id: String
  }
  sealed trait Person extends _root_.scala.Product with _root_.scala.Serializable {
    def personDiscriminator: PersonDiscriminator
    def email: _root_.scala.Option[String]
    def name: _root_.scala.Option[String]
  }

  /**
   * Defines the valid discriminator values for the type Person
   */
  sealed trait PersonDiscriminator extends _root_.scala.Product with _root_.scala.Serializable

  object PersonDiscriminator {

    case object Guest extends PersonDiscriminator { override def toString = "guest" }
    case object User extends PersonDiscriminator { override def toString = "user" }

    final case class UNDEFINED(override val toString: String) extends PersonDiscriminator

    val all: scala.List[PersonDiscriminator] = scala.List(Guest, User)

    private val byName: Map[String, PersonDiscriminator] = all.map(x => x.toString.toLowerCase -> x).toMap

    def apply(value: String): PersonDiscriminator = fromString(value).getOrElse(UNDEFINED(value))

    def fromString(value: String): _root_.scala.Option[PersonDiscriminator] = byName.get(value.toLowerCase)

  }
  final case class Guest(
    sessionId: String,
    override val email: _root_.scala.Option[String] = None,
    override val name: _root_.scala.Option[String] = None
  ) extends Person {
    override val personDiscriminator: PersonDiscriminator = PersonDiscriminator.Guest
  }

  final case class User(
    override val id: String,
    override val email: _root_.scala.Option[String] = None,
    override val name: _root_.scala.Option[String] = None,
    registrationDate: _root_.org.joda.time.DateTime
  ) extends DatabaseRecord with Person {
    override val personDiscriminator: PersonDiscriminator = PersonDiscriminator.User
  }

  /**
   * Provides future compatibility in clients - in the future, when a type is added
   * to the union Person, it will need to be handled in the client code. This
   * implementation will deserialize these future types as an instance of this class.
   *
   * @param description Information about the type that we received that is undefined in this version of
   *        the client.
   */

  final case class PersonUndefinedType(
    description: String
  ) extends Person {
    override val personDiscriminator: PersonDiscriminator = PersonDiscriminator.UNDEFINED(description)
    override def email: _root_.scala.Option[String] = ???
    override def name: _root_.scala.Option[String] = ???
  }

}

package io.example.interface.v0.models {

  package object json {
    import play.api.libs.json.__
    import play.api.libs.json.JsString
    import play.api.libs.json.Writes
    import play.api.libs.functional.syntax._
    import io.example.interface.v0.models.json._

    private[v0] implicit val jsonReadsUUID: play.api.libs.json.Reads[_root_.java.util.UUID] = __.read[String].map { str =>
      _root_.java.util.UUID.fromString(str)
    }

    private[v0] implicit val jsonWritesUUID: play.api.libs.json.Writes[_root_.java.util.UUID] = (x: _root_.java.util.UUID) => play.api.libs.json.JsString(x.toString)

    private[v0] implicit val jsonReadsJodaDateTime: play.api.libs.json.Reads[_root_.org.joda.time.DateTime] = __.read[String].map { str =>
      _root_.org.joda.time.format.ISODateTimeFormat.dateTimeParser.parseDateTime(str)
    }

    private[v0] implicit val jsonWritesJodaDateTime: play.api.libs.json.Writes[_root_.org.joda.time.DateTime] = (x: _root_.org.joda.time.DateTime) => {
      play.api.libs.json.JsString(_root_.org.joda.time.format.ISODateTimeFormat.dateTime.print(x))
    }

    private[v0] implicit val jsonReadsJodaLocalDate: play.api.libs.json.Reads[_root_.org.joda.time.LocalDate] = __.read[String].map { str =>
      _root_.org.joda.time.format.ISODateTimeFormat.dateTimeParser.parseLocalDate(str)
    }

    private[v0] implicit val jsonWritesJodaLocalDate: play.api.libs.json.Writes[_root_.org.joda.time.LocalDate] = (x: _root_.org.joda.time.LocalDate) => {
      play.api.libs.json.JsString(_root_.org.joda.time.format.ISODateTimeFormat.date.print(x))
    }

    implicit def jsonReadsExampleInterfaceGuest: play.api.libs.json.Reads[io.example.interface.v0.models.Guest] = {
      for {
        sessionId <- (__ \ "session_id").read[String]
        email <- (__ \ "email").readNullable[String]
        name <- (__ \ "name").readNullable[String]
      } yield Guest(sessionId, email, name)
    }

    def jsObjectGuest(obj: io.example.interface.v0.models.Guest): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "session_id" -> play.api.libs.json.JsString(obj.sessionId)
      ) ++ (obj.email match {
        case None => play.api.libs.json.Json.obj()
        case Some(x) => play.api.libs.json.Json.obj("email" -> play.api.libs.json.JsString(x))
      }) ++
      (obj.name match {
        case None => play.api.libs.json.Json.obj()
        case Some(x) => play.api.libs.json.Json.obj("name" -> play.api.libs.json.JsString(x))
      }) ++ play.api.libs.json.Json.obj("discriminator" -> "guest")
    }

    implicit def jsonWritesExampleInterfaceGuest: play.api.libs.json.Writes[Guest] = {
      (obj: io.example.interface.v0.models.Guest) => {
        io.example.interface.v0.models.json.jsObjectGuest(obj)
      }
    }

    implicit def jsonReadsExampleInterfaceUser: play.api.libs.json.Reads[io.example.interface.v0.models.User] = {
      for {
        id <- (__ \ "id").read[String]
        email <- (__ \ "email").readNullable[String]
        name <- (__ \ "name").readNullable[String]
        registrationDate <- (__ \ "registration_date").read[_root_.org.joda.time.DateTime]
      } yield User(id, email, name, registrationDate)
    }

    def jsObjectUser(obj: io.example.interface.v0.models.User): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "id" -> play.api.libs.json.JsString(obj.id),
        "registration_date" -> play.api.libs.json.JsString(_root_.org.joda.time.format.ISODateTimeFormat.dateTime.print(obj.registrationDate))
      ) ++ (obj.email match {
        case None => play.api.libs.json.Json.obj()
        case Some(x) => play.api.libs.json.Json.obj("email" -> play.api.libs.json.JsString(x))
      }) ++
      (obj.name match {
        case None => play.api.libs.json.Json.obj()
        case Some(x) => play.api.libs.json.Json.obj("name" -> play.api.libs.json.JsString(x))
      }) ++ play.api.libs.json.Json.obj("discriminator" -> "user")
    }

    implicit def jsonWritesExampleInterfaceUser: play.api.libs.json.Writes[User] = {
      (obj: io.example.interface.v0.models.User) => {
        io.example.interface.v0.models.json.jsObjectUser(obj)
      }
    }

    implicit def jsonReadsExampleInterfacePerson: play.api.libs.json.Reads[io.example.interface.v0.models.Person] = (js: play.api.libs.json.JsValue) => {
      def readDiscriminator(discriminator: String) = {
        discriminator match {
          case "guest" => io.example.interface.v0.models.json.jsonReadsExampleInterfaceGuest.reads(js)
          case "user" => io.example.interface.v0.models.json.jsonReadsExampleInterfaceUser.reads(js)
          case other => play.api.libs.json.JsSuccess(io.example.interface.v0.models.PersonUndefinedType(other))
        }
      }
      (js \ "discriminator").validate[String] match {
        case e: play.api.libs.json.JsError => e
        case s: play.api.libs.json.JsSuccess[String] => readDiscriminator(s.value)
      }
    }

    def jsObjectPerson(obj: io.example.interface.v0.models.Person): play.api.libs.json.JsObject = {
      obj match {
        case x: io.example.interface.v0.models.Guest => io.example.interface.v0.models.json.jsObjectGuest(x)
        case x: io.example.interface.v0.models.User => io.example.interface.v0.models.json.jsObjectUser(x)
        case other => {
          sys.error(s"The type[${other.getClass.getName}] has no JSON writer")
        }
      }
    }
    implicit def jsonWritesExampleInterfacePerson: play.api.libs.json.Writes[Person] = {
      (obj: io.example.interface.v0.models.Person) => {
        io.example.interface.v0.models.json.jsObjectPerson(obj)
      }
    }
  }
}