/**
 * Generated by API Builder - https://www.apibuilder.io
 * Service version: 0.0.1
 * User agent: apibuilder app.apibuilder.io/apicollective/examples-graphql-users/0.0.1/http4s_0_23
 */
package io.apibuilder.examples.graphql.users.models {

  sealed trait UserPatchForm extends _root_.scala.Product with _root_.scala.Serializable {
    def userPatchFormDiscriminator: UserPatchFormDiscriminator

  }

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

  object UserPatchFormDiscriminator {

    case object UserStatusPatchForm extends UserPatchFormDiscriminator { override def toString = "status" }
    case object UserEmailPatchForm extends UserPatchFormDiscriminator { override def toString = "email" }

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

    val all: scala.List[UserPatchFormDiscriminator] = scala.List(UserStatusPatchForm, UserEmailPatchForm)

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

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

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

  }
  final case class User(
    id: _root_.java.util.UUID,
    status: io.apibuilder.examples.graphql.users.models.UserStatus,
    email: String,
    name: _root_.scala.Option[String] = None
  )

  final case class UserEmailPatchForm(
    email: String
  ) extends UserPatchForm {
    override val userPatchFormDiscriminator: UserPatchFormDiscriminator = UserPatchFormDiscriminator.UserEmailPatchForm
  }

  final case class UserForm(
    status: io.apibuilder.examples.graphql.users.models.UserStatus = io.apibuilder.examples.graphql.users.models.UserStatus.Active,
    email: String,
    name: _root_.scala.Option[String] = None
  )

  final case class UserStatusPatchForm(
    status: io.apibuilder.examples.graphql.users.models.UserStatus
  ) extends UserPatchForm {
    override val userPatchFormDiscriminator: UserPatchFormDiscriminator = UserPatchFormDiscriminator.UserStatusPatchForm
  }

  /**
   * Provides future compatibility in clients - in the future, when a type is added
   * to the union UserPatchForm, 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 UserPatchFormUndefinedType(
    description: String
  ) extends UserPatchForm {
    override val userPatchFormDiscriminator: UserPatchFormDiscriminator = UserPatchFormDiscriminator.UNDEFINED(description)
  }
  sealed trait UserStatus extends _root_.scala.Product with _root_.scala.Serializable

  object UserStatus {

    case object Active extends UserStatus { override def toString = "active" }
    case object Inactive extends UserStatus { override def toString = "inactive" }
    /**
     * UNDEFINED captures values that are sent either in error or
     * that were added by the server after this library was
     * generated. We want to make it easy and obvious for users of
     * this library to handle this case gracefully.
     *
     * We use all CAPS for the variable name to avoid collisions
     * with the camel cased values above.
     */
    final case class UNDEFINED(override val toString: String) extends UserStatus

    /**
     * all returns a list of all the valid, known values. We use
     * lower case to avoid collisions with the camel cased values
     * above.
     */
    val all: scala.List[UserStatus] = scala.List(Active, Inactive)

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

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

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

  }

}

package io.apibuilder.examples.graphql.users.models {

  package object json {
    import io.circe.Decoder._
    import io.circe.Encoder._
    import scala.language.implicitConversions // See below - Make Scala 2.11 Either monadic
    import scala.util.Try
    import io.circe.{Json, JsonObject, Encoder, Decoder, DecodingFailure}
    import io.circe.syntax._
    import io.apibuilder.examples.graphql.users.models.json._

    // Make Scala 2.11 Either monadic
    private[users] implicit def eitherOps[A,B](e: Either[A,B]) = cats.implicits.catsSyntaxEither(e)

    private[users] implicit val decodeUUID: Decoder[_root_.java.util.UUID] =
      Decoder.decodeString.emapTry(str => Try(_root_.java.util.UUID.fromString(str)))

    private[users] implicit val encodeUUID: Encoder[_root_.java.util.UUID] =
      Encoder.encodeString.contramap[_root_.java.util.UUID](uuid => uuid.toString)

    private[users] implicit val decodeInstant: Decoder[_root_.java.time.Instant] =
      Decoder.decodeString.emapTry(str => Try(_root_.java.time.OffsetDateTime.parse(str).toInstant))

    private[users] implicit val encodeInstant: Encoder[_root_.java.time.Instant] =
      Encoder.encodeString.contramap[_root_.java.time.Instant](_.toString)

    private[users] implicit val decodeLocalDate: Decoder[_root_.java.time.LocalDate] =
      Decoder.decodeString.emapTry(str => Try(_root_.java.time.LocalDate.parse(str)))

    private[users] implicit val encodeLocalDate: Encoder[_root_.java.time.LocalDate] =
      Encoder.encodeString.contramap[_root_.java.time.LocalDate](_.toString)

    implicit val jsonDecoderExamplesGraphqlUsersUserStatus: Decoder[io.apibuilder.examples.graphql.users.models.UserStatus] =
      Decoder.decodeString.map(io.apibuilder.examples.graphql.users.models.UserStatus(_))

    implicit val jsonEncoderExamplesGraphqlUsersUserStatus: Encoder[io.apibuilder.examples.graphql.users.models.UserStatus] =
      Encoder.encodeString.contramap[io.apibuilder.examples.graphql.users.models.UserStatus](_.toString)

    implicit def decodeExamplesGraphqlUsersUser: Decoder[User] = Decoder.instance { c =>
     for {
        id <- c.downField("id").as[_root_.java.util.UUID]
        status <- c.downField("status").as[io.apibuilder.examples.graphql.users.models.UserStatus]
        email <- c.downField("email").as[String]
        name <- c.downField("name").as[Option[String]]
      } yield {
        User(
          id = id,
          status = status,
          email = email,
          name = name
        )
      }
    }

    implicit def encodeExamplesGraphqlUsersUser: Encoder[User] = Encoder.instance { t =>
      Json.fromFields(Seq(
        Some("id" -> t.id.asJson),
        Some("status" -> t.status.asJson),
        Some("email" -> t.email.asJson),
        t.name.map(t => "name" -> t.asJson)
      ).flatten)
    }

    implicit def decodeExamplesGraphqlUsersUserEmailPatchForm: Decoder[UserEmailPatchForm] = Decoder.instance { c =>
     for {
        email <- c.downField("email").as[String]
      } yield {
        UserEmailPatchForm(
          email = email
        )
      }
    }

    implicit def encodeExamplesGraphqlUsersUserEmailPatchForm: Encoder[UserEmailPatchForm] = Encoder.instance { t =>
      Json.fromFields(Seq(
        Some("email" -> t.email.asJson)
      ).flatten)
    }

    implicit def decodeExamplesGraphqlUsersUserForm: Decoder[UserForm] = Decoder.instance { c =>
     for {
        status <- c.downField("status").as[io.apibuilder.examples.graphql.users.models.UserStatus]
        email <- c.downField("email").as[String]
        name <- c.downField("name").as[Option[String]]
      } yield {
        UserForm(
          status = status,
          email = email,
          name = name
        )
      }
    }

    implicit def encodeExamplesGraphqlUsersUserForm: Encoder[UserForm] = Encoder.instance { t =>
      Json.fromFields(Seq(
        Some("status" -> t.status.asJson),
        Some("email" -> t.email.asJson),
        t.name.map(t => "name" -> t.asJson)
      ).flatten)
    }

    implicit def decodeExamplesGraphqlUsersUserStatusPatchForm: Decoder[UserStatusPatchForm] = Decoder.instance { c =>
     for {
        status <- c.downField("status").as[io.apibuilder.examples.graphql.users.models.UserStatus]
      } yield {
        UserStatusPatchForm(
          status = status
        )
      }
    }

    implicit def encodeExamplesGraphqlUsersUserStatusPatchForm: Encoder[UserStatusPatchForm] = Encoder.instance { t =>
      Json.fromFields(Seq(
        Some("status" -> t.status.asJson)
      ).flatten)
    }

    implicit def decodeExamplesGraphqlUsersUserPatchForm: Decoder[UserPatchForm] = Decoder.instance { c =>
      c.get[Option[String]]("discriminator") match {
        case Right(Some(s)) if s == "status" => c.as[io.apibuilder.examples.graphql.users.models.UserStatusPatchForm]
        case Right(Some(s)) if s == "email" => c.as[io.apibuilder.examples.graphql.users.models.UserEmailPatchForm]
        case Right(Some(s)) => Right(io.apibuilder.examples.graphql.users.models.UserPatchFormUndefinedType(s))
        case _ => Left(DecodingFailure("Union[UserPatchForm] requires a discriminator named 'discriminator' - this field was not found in the Json", c.history))
      }
    }

    implicit def encodeExamplesGraphqlUsersUserPatchForm: Encoder[UserPatchForm] = Encoder.instance {
      case t: io.apibuilder.examples.graphql.users.models.UserStatusPatchForm => t.asJson.mapObject(obj => ("discriminator", Json.fromString("status")) +: obj)
      case t: io.apibuilder.examples.graphql.users.models.UserEmailPatchForm => t.asJson.mapObject(obj => ("discriminator", Json.fromString("email")) +: obj)
      case other => sys.error(s"The type[${other.getClass.getName}] has no JSON encoder")
    }
  }
}

package io.apibuilder.examples.graphql.users {
import cats.effect._
import cats.implicits._
import io.circe.syntax._

  object Constants {

    val Namespace = "io.apibuilder.examples.graphql.users"
    val UserAgent = "apibuilder app.apibuilder.io/apicollective/examples-graphql-users/0.0.1/http4s_0_23"
    val Version = "0.0.1"
    val VersionMajor = 0

  }

  class Client[F[_]: Concurrent](
    val baseUrl: org.http4s.Uri,
    auth: scala.Option[io.apibuilder.examples.graphql.users.Authorization] = None,
    defaultHeaders: Seq[(String, String)] = Nil,
    httpClient: org.http4s.client.Client[F]
  ) extends interfaces.Client[F] {
    import org.http4s.Response
    import io.apibuilder.examples.graphql.users.models.json._


    def users: Users[F] = Users

    object Users extends Users[F] {
      override def getById(
        id: _root_.java.util.UUID,
        requestHeaders: Seq[(String, String)] = Nil
      ): F[io.apibuilder.examples.graphql.users.models.User] = {
        val urlPath = Seq("users", id.toString)

        _executeRequest[Unit, io.apibuilder.examples.graphql.users.models.User]("GET", path = urlPath, requestHeaders = requestHeaders) {
          case r if r.status.code == 200 => _root_.io.apibuilder.examples.graphql.users.Client.parseJson[F, io.apibuilder.examples.graphql.users.models.User]("io.apibuilder.examples.graphql.users.models.User", r)
          case r if r.status.code == 404 => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.UnitResponse(r.status.code))
          case r => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.FailedRequest(r.status.code, s"Unsupported response code[${r.status.code}]. Expected: 200, 404"))
        }
      }

      override def post(
        userForm: io.apibuilder.examples.graphql.users.models.UserForm,
        requestHeaders: Seq[(String, String)] = Nil
      ): F[io.apibuilder.examples.graphql.users.models.User] = {
        val urlPath = Seq("users")

        val (payload, formPayload) = (Some(userForm), None)

        _executeRequest[io.apibuilder.examples.graphql.users.models.UserForm, io.apibuilder.examples.graphql.users.models.User]("POST", path = urlPath, body = payload, formBody = formPayload, requestHeaders = requestHeaders) {
          case r if r.status.code == 201 => _root_.io.apibuilder.examples.graphql.users.Client.parseJson[F, io.apibuilder.examples.graphql.users.models.User]("io.apibuilder.examples.graphql.users.models.User", r)
          case r if r.status.code == 422 => _root_.io.apibuilder.examples.graphql.users.Client.parseJson[F, Seq[String]]("Seq[String]", r).flatMap(body => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.ValuesResponse(r.headers, r.status.code, None, body)))
          case r => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.FailedRequest(r.status.code, s"Unsupported response code[${r.status.code}]. Expected: 201, 422"))
        }
      }

      override def patch(
        userPatchForm: io.apibuilder.examples.graphql.users.models.UserPatchForm,
        requestHeaders: Seq[(String, String)] = Nil
      ): F[io.apibuilder.examples.graphql.users.models.User] = {
        val urlPath = Seq("users")

        val (payload, formPayload) = (Some(userPatchForm), None)

        _executeRequest[io.apibuilder.examples.graphql.users.models.UserPatchForm, io.apibuilder.examples.graphql.users.models.User]("PATCH", path = urlPath, body = payload, formBody = formPayload, requestHeaders = requestHeaders) {
          case r if r.status.code == 200 => _root_.io.apibuilder.examples.graphql.users.Client.parseJson[F, io.apibuilder.examples.graphql.users.models.User]("io.apibuilder.examples.graphql.users.models.User", r)
          case r if r.status.code == 422 => _root_.io.apibuilder.examples.graphql.users.Client.parseJson[F, Seq[String]]("Seq[String]", r).flatMap(body => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.ValuesResponse(r.headers, r.status.code, None, body)))
          case r => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.FailedRequest(r.status.code, s"Unsupported response code[${r.status.code}]. Expected: 200, 422"))
        }
      }

      override def deleteById(
        id: _root_.java.util.UUID,
        requestHeaders: Seq[(String, String)] = Nil
      ): F[Unit] = {
        val urlPath = Seq("users", id.toString)

        _executeRequest[Unit, Unit]("DELETE", path = urlPath, requestHeaders = requestHeaders) {
          case r if r.status.code == 204 => Concurrent[F].pure(())
          case r if r.status.code == 404 => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.UnitResponse(r.status.code))
          case r => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.FailedRequest(r.status.code, s"Unsupported response code[${r.status.code}]. Expected: 204, 404"))
        }
      }
    }

    private lazy val defaultApiHeaders = Seq(
      ("User-Agent", Constants.UserAgent),
      ("X-Apidoc-Version", Constants.Version),
      ("X-Apidoc-Version-Major", Constants.VersionMajor.toString)
    )

    def apiHeaders: Seq[(String, String)] = defaultApiHeaders

    def modifyRequest(request: org.http4s.Request[F]): org.http4s.Request[F] = request

    implicit def circeJsonEncoder[F[_]: Concurrent, A](implicit encoder: io.circe.Encoder[A]) = org.http4s.circe.jsonEncoderOf[F, A]

    def _executeRequest[T, U](
      method: String,
      path: Seq[String],
      queryParameters: Seq[(String, String)] = Nil,
      requestHeaders: Seq[(String, String)] = Nil,
      body: Option[T] = None,
      formBody : Option[org.http4s.UrlForm] = None
    )(handler: org.http4s.Response[F] => F[U]
    )(implicit encoder: io.circe.Encoder[T]): F[U] = {
      import org.http4s.QueryParamEncoder._

      val m = org.http4s.Method.fromString(method) match {
        case Right(m) => m
        case Left(e) => sys.error(e.toString)
      }

      val headers = org.http4s.Headers((
        apiHeaders ++
        defaultHeaders ++
        requestHeaders
      ).groupBy(_._1).map { case (k, l) => org.http4s.Header.Raw(org.typelevel.ci.CIString(k), l.last._2) }.toList)

      val queryMap = queryParameters.groupBy(_._1).map { case (k, v) => k -> v.map(_._2) }
      val uri = path.foldLeft(baseUrl){ case (uri, segment) => uri / segment }.setQueryParams(queryMap)

      val request = org.http4s.Request[F](method = m,
                                       uri = uri,
                                       headers = headers)

      val reqAndMaybeAuth = auth.fold(request) {
        case Authorization.Basic(username, passwordOpt) => {
          val userpass = s"$username:${passwordOpt.getOrElse("")}"
          val token = java.util.Base64.getEncoder.encodeToString(userpass.getBytes(java.nio.charset.StandardCharsets.ISO_8859_1))
          request.putHeaders(org.http4s.Header.Raw(org.typelevel.ci.CIString("Authorization"), s"Basic $token"))
        }
        case a => sys.error("Invalid authorization scheme[" + a.getClass + "]")
      }

      val reqAndMaybeAuthAndBody =
        if (formBody.nonEmpty) formBody.fold(reqAndMaybeAuth)(reqAndMaybeAuth.withEntity)
        else body.fold(reqAndMaybeAuth)(reqAndMaybeAuth.withEntity)

      httpClient.fetch(modifyRequest(reqAndMaybeAuthAndBody))(handler)
    }
  }

  object Client {
    import cats.effect._

    implicit def circeJsonDecoder[F[_]: Concurrent, A](implicit decoder: io.circe.Decoder[A]) = org.http4s.circe.jsonOf[F, A]

    def parseJson[F[_]: Concurrent, T](
      className: String,
      r: org.http4s.Response[F]
    )(implicit decoder: io.circe.Decoder[T]): F[T] = r.attemptAs[T].value.flatMap {
      case Right(value) => Concurrent[F].pure(value)
      case Left(error) => Concurrent[F].raiseError(new io.apibuilder.examples.graphql.users.errors.FailedRequest(r.status.code, s"Invalid json for class[" + className + "]", None, error))
    }
  }

  sealed trait Authorization extends _root_.scala.Product with _root_.scala.Serializable
  object Authorization {
    final case class Basic(username: String, password: Option[String] = None) extends Authorization
  }

  package interfaces {

    trait Client[F[_]] {
      def baseUrl: org.http4s.Uri
      def users: io.apibuilder.examples.graphql.users.Users[F]
    }

  }

  trait Users[F[_]] {
    def getById(
      id: _root_.java.util.UUID,
      requestHeaders: Seq[(String, String)] = Nil
    ): F[io.apibuilder.examples.graphql.users.models.User]

    def post(
      userForm: io.apibuilder.examples.graphql.users.models.UserForm,
      requestHeaders: Seq[(String, String)] = Nil
    ): F[io.apibuilder.examples.graphql.users.models.User]

    def patch(
      userPatchForm: io.apibuilder.examples.graphql.users.models.UserPatchForm,
      requestHeaders: Seq[(String, String)] = Nil
    ): F[io.apibuilder.examples.graphql.users.models.User]

    def deleteById(
      id: _root_.java.util.UUID,
      requestHeaders: Seq[(String, String)] = Nil
    ): F[Unit]
  }

  package errors {

    final case class UnitResponse(status: Int) extends Exception(s"HTTP $status")

    final case class ValuesResponse(
      headers: org.http4s.Headers,
      status: Int,
      message: Option[String] = None,
      body: Seq[String]
    ) extends Exception(s"HTTP $status${message.fold("")(m => s": $m")}"){
      lazy val values = body
    }

    final case class FailedRequest(responseCode: Int, message: String, requestUri: Option[_root_.java.net.URI] = None, parent: Exception = null) extends _root_.java.lang.Exception(s"HTTP $responseCode: $message", parent)

  }
}