/**
 * Generated by API Builder - https://www.apibuilder.io
 * Service version: 1.1.0
 * User agent: apibuilder app.apibuilder.io/paintbatch-com/paint-batch-optimizer/1.1.0/http4s_0_17
 */
package com.paintbatch {
import org.http4s.client.blaze._
import io.circe.syntax._

  object Constants {

    val Namespace = "com.paintbatch"
    val UserAgent = "apibuilder app.apibuilder.io/paintbatch-com/paint-batch-optimizer/1.1.0/http4s_0_17"
    val Version = "1.1.0"
    val VersionMajor = 1

  }

  class Client(
    val baseUrl: org.http4s.Uri,
    auth: scala.Option[com.paintbatch.Authorization] = None,
    defaultHeaders: Seq[(String, String)] = Nil,
    asyncHttpClient: org.http4s.client.Client = Client.defaultAsyncHttpClient
  ) extends interfaces.Client {
    import org.http4s.Response
    import com.paintbatch.models.json._

def closeAsyncHttpClient(): Unit = {
  asyncHttpClient.shutdownNow()
}

    def healthchecks: Healthchecks = Healthchecks

    def optimizeRequests: OptimizeRequests = OptimizeRequests

    object Healthchecks extends Healthchecks {
      override def getHealthcheck(
        requestHeaders: Seq[(String, String)] = Nil
      ): fs2.Task[com.paintbatch.models.Healthcheck] = {
        val urlPath = Seq("_internal_", "healthcheck")

        _executeRequest[Unit, com.paintbatch.models.Healthcheck]("GET", path = urlPath, requestHeaders = requestHeaders) {
          case r if r.status.code == 200 => _root_.com.paintbatch.Client.parseJson[com.paintbatch.models.Healthcheck]("com.paintbatch.models.Healthcheck", r)
          case r => fs2.Task.fail(new com.paintbatch.errors.FailedRequest(r.status.code, s"Unsupported response code[${r.status.code}]. Expected: 200"))
        }
      }
    }

    object OptimizeRequests extends OptimizeRequests {
      override def postOptimize(
        optimizeRequest: com.paintbatch.models.OptimizeRequest,
        requestHeaders: Seq[(String, String)] = Nil
      ): fs2.Task[String] = {
        val urlPath = Seq("v2", "optimize")

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

        _executeRequest[com.paintbatch.models.OptimizeRequest, String]("POST", path = urlPath, body = payload, formBody = formPayload, requestHeaders = requestHeaders) {
          case r if r.status.code == 200 => _root_.com.paintbatch.Client.parseJson[String]("String", r)
          case r if r.status.code == 422 => fs2.Task.fail(new com.paintbatch.errors.ReadableErrorResponse(r))
          case r => fs2.Task.fail(new com.paintbatch.errors.FailedRequest(r.status.code, s"Unsupported response code[${r.status.code}]. Expected: 200, 422"))
        }
      }
    }

    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: fs2.Task[org.http4s.Request]): fs2.Task[org.http4s.Request] = request

    implicit def circeJsonEncoder[A](implicit encoder: io.circe.Encoder[A]) = org.http4s.circe.jsonEncoderOf[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 => fs2.Task[U]
    )(implicit encoder: io.circe.Encoder[T]): fs2.Task[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(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(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("Authorization", s"Basic $token"))
        }
        case a => sys.error("Invalid authorization scheme[" + a.getClass + "]")
      }

      val reqAndMaybeAuthAndBody =
        if (formBody.nonEmpty) formBody.fold(fs2.Task.now(reqAndMaybeAuth))(reqAndMaybeAuth.withBody)
        else body.fold(fs2.Task.now(reqAndMaybeAuth))(reqAndMaybeAuth.withBody)

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

  object Client {



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

    private lazy val defaultAsyncHttpClient = PooledHttp1Client()

    def parseJson[T](
      className: String,
      r: org.http4s.Response
    )(implicit decoder: io.circe.Decoder[T]): fs2.Task[T] = r.attemptAs[T].value.flatMap {
      case Right(value) => fs2.Task.now(value)
      case Left(error) => fs2.Task.fail(new com.paintbatch.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 {
      def baseUrl: org.http4s.Uri
      def healthchecks: com.paintbatch.Healthchecks
      def optimizeRequests: com.paintbatch.OptimizeRequests
    }

  }

  trait Healthchecks {
    /**
     * GET health of service
     */
    def getHealthcheck(
      requestHeaders: Seq[(String, String)] = Nil
    ): fs2.Task[com.paintbatch.models.Healthcheck]
  }

  trait OptimizeRequests {
    /**
     * POST minimum cost paint batch optimizer request
     */
    def postOptimize(
      optimizeRequest: com.paintbatch.models.OptimizeRequest,
      requestHeaders: Seq[(String, String)] = Nil
    ): fs2.Task[String]
  }

  package errors {

    import com.paintbatch.models.json._

    final case class ReadableErrorResponse(
      response: org.http4s.Response,
      message: Option[String] = None
    ) extends Exception(message.getOrElse(s"${response.status.code}: ${response.body}")) {
      lazy val readableError = _root_.com.paintbatch.Client.parseJson[com.paintbatch.models.ReadableError]("com.paintbatch.models.ReadableError", response)
    }

    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)

  }
}