/**
 * Generated by API Builder - https://www.apibuilder.io
 * Service version: 0.2.6
 * User agent: apibuilder app.apibuilder.io/bombas/storeback-api/0.2.6/http4s_0_17
 */
package bombas.storeback.api.v0.server

import org.http4s.dsl._

import bombas.storeback.api.v0.models.json._

private[server] object Matchers {

  implicit lazy val queryParamDecodeBigDecimal: org.http4s.QueryParamDecoder[BigDecimal] =
    org.http4s.QueryParamDecoder.fromUnsafeCast[BigDecimal](p => BigDecimal(p.value))("BigDecimal")

  implicit lazy val queryParamDecodeInstant: org.http4s.QueryParamDecoder[_root_.java.time.Instant] =
    org.http4s.QueryParamDecoder.fromUnsafeCast[_root_.java.time.Instant](p => _root_.java.time.OffsetDateTime.parse(p.value).toInstant)("_root_.java.time.Instant")

  implicit lazy val queryParamDecodeLocalDate: org.http4s.QueryParamDecoder[_root_.java.time.LocalDate] =
    org.http4s.QueryParamDecoder.fromUnsafeCast[_root_.java.time.LocalDate](p => _root_.java.time.LocalDate.parse(p.value))("_root_.java.time.LocalDate")

  implicit lazy val queryParamDecodeUUID: org.http4s.QueryParamDecoder[_root_.java.util.UUID] =
    org.http4s.QueryParamDecoder.fromUnsafeCast[_root_.java.util.UUID](p => _root_.java.util.UUID.fromString(p.value))("_root_.java.util.UUID")


  object ApiVersion {
    val ApiVersionMajor = {
      "X-Apidoc-Version-Major".ci
    }

    def apply(req: org.http4s.Message): Boolean = req.headers.get(ApiVersionMajor) match {
      case Some(v) if v.value == "0" => true
      case _ => false
    }
  }


}

trait ProductRoutes {

  import Matchers._

  implicit def circeJsonDecoder[A](implicit decoder: _root_.io.circe.Decoder[A]) = org.http4s.circe.jsonOf[A]
  implicit def circeJsonEncoder[A](implicit encoder: _root_.io.circe.Encoder[A]) = org.http4s.circe.jsonEncoderOf[A]

  sealed trait GetResponse

  object GetResponse {
    case class HTTP200(value: bombas.storeback.api.v0.models.Product, headers: Seq[org.http4s.Header] = Nil) extends GetResponse
    case class HTTP400(headers: Seq[org.http4s.Header] = Nil) extends GetResponse
    case class HTTP404(headers: Seq[org.http4s.Header] = Nil) extends GetResponse
    case class UndocumentedResponse(response: fs2.Task[org.http4s.Response]) extends GetResponse
  }

  def get(
    _req: org.http4s.Request,
    productId: String
  ): fs2.Task[GetResponse]

  def apiVersionMatch(req: org.http4s.Message): Boolean = ApiVersion(req)

  def service() = org.http4s.HttpService {
    case _req @ GET -> Root / "v1" / "products" / productId if apiVersionMatch(_req) =>
      get(_req, productId).flatMap {
        case GetResponse.HTTP200(value, headers) => Ok(value).putHeaders(headers: _*)
        case GetResponse.HTTP400(headers) => BadRequest().putHeaders(headers: _*)
        case GetResponse.HTTP404(headers) => NotFound().putHeaders(headers: _*)
        case GetResponse.UndocumentedResponse(response) => response
      }
    case _req @ GET -> Root / "v1" / "products" / productId if !_req.headers.get(ApiVersion.ApiVersionMajor).isDefined =>
      BadRequest(s"Missing required request header: ${ApiVersion.ApiVersionMajor}.")
  }
}