/**
  * 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_6
  */
package io.example.interface.v0.models

package object json {

  import play.api.libs.json.{__, JsString, Writes}
  import play.api.libs.functional.syntax._

  import play.api.libs.json.Writes._
  import play.api.libs.json.Reads._

  import io.example.interface.v0.models.json._

  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_.java.time.OffsetDateTime]
    } 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(obj.registrationDate.toString)
    ) ++ (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)
      }
  }

}