/**
 * 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/ning_1_9_client
 */
package com.paintbatch.models {

  /**
   * range of customers preferences to choose from
   *
   * @param paints paints the customer would be satisfied with
   */

  final case class Demand(
    paints: Seq[com.paintbatch.models.Paint]
  )

  /**
   * health of the service
   *
   * @param status the health status of the service
   */

  final case class Healthcheck(
    status: com.paintbatch.models.Status
  )

  /**
   * paint batch optimizer request
   *
   * @param colors number of different colours demanded by paint factory
   * @param customers number of customers
   * @param demands customers paint demands
   */

  final case class OptimizeRequest(
    colors: Int,
    customers: Int,
    demands: Seq[com.paintbatch.models.Demand]
  )

  /**
   * paint and its sheen
   *
   * @param id paint identifier
   * @param sheen sheen of the paint
   */

  final case class Paint(
    id: Int,
    sheen: com.paintbatch.models.Sheen
  )

  /**
   * A simple human-readable error
   */

  final case class ReadableError(
    text: String
  )
  /**
   * available paint sheens
   */
  sealed trait Sheen extends _root_.scala.Product with _root_.scala.Serializable

  object Sheen {

    /**
     * matte sheen costs more than gloss
     */
    case object Matte extends Sheen { override def toString = "M" }
    /**
     * gloss sheen costs less than matte
     */
    case object Gloss extends Sheen { override def toString = "G" }
    /**
     * 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 to 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 Sheen

    /**
     * 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[Sheen] = scala.List(Matte, Gloss)

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

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

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

  }

  /**
   * health of the service
   */
  sealed trait Status extends _root_.scala.Product with _root_.scala.Serializable

  object Status {

    /**
     * represents the service is live and accepting traffic
     */
    case object Ok extends Status {
      override def toString = "ok"
    }
    /**
     * 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 to 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 Status

    /**
     * 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[Status] = scala.List(Ok)

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

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

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

  }

}

package com.paintbatch.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 com.paintbatch.models.json._

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

    private[paintbatch] 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[paintbatch] 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[paintbatch] 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[paintbatch] 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[paintbatch] 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 val jsonReadsPaintBatchOptimizerSheen: play.api.libs.json.Reads[com.paintbatch.models.Sheen] = new play.api.libs.json.Reads[com.paintbatch.models.Sheen] {
      def reads(js: play.api.libs.json.JsValue): play.api.libs.json.JsResult[com.paintbatch.models.Sheen] = {
        js match {
          case v: play.api.libs.json.JsString => play.api.libs.json.JsSuccess(com.paintbatch.models.Sheen(v.value))
          case _ => {
            (js \ "value").validate[String] match {
              case play.api.libs.json.JsSuccess(v, _) => play.api.libs.json.JsSuccess(com.paintbatch.models.Sheen(v))
              case _: play.api.libs.json.JsError =>
                (js \ "sheen").validate[String] match {
                  case play.api.libs.json.JsSuccess(v, _) => play.api.libs.json.JsSuccess(com.paintbatch.models.Sheen(v))
                  case err: play.api.libs.json.JsError => err
                }
            }
          }
        }
      }
    }

    def jsonWritesPaintBatchOptimizerSheen(obj: com.paintbatch.models.Sheen) = {
      play.api.libs.json.JsString(obj.toString)
    }

    def jsObjectSheen(obj: com.paintbatch.models.Sheen) = {
      play.api.libs.json.Json.obj("value" -> play.api.libs.json.JsString(obj.toString))
    }

    implicit def jsonWritesPaintBatchOptimizerSheen: play.api.libs.json.Writes[Sheen] = {
      (obj: com.paintbatch.models.Sheen) => {
        com.paintbatch.models.json.jsonWritesPaintBatchOptimizerSheen(obj)
      }
    }

    implicit val jsonReadsPaintBatchOptimizerStatus: play.api.libs.json.Reads[com.paintbatch.models.Status] = new play.api.libs.json.Reads[com.paintbatch.models.Status] {
      def reads(js: play.api.libs.json.JsValue): play.api.libs.json.JsResult[com.paintbatch.models.Status] = {
        js match {
          case v: play.api.libs.json.JsString => play.api.libs.json.JsSuccess(com.paintbatch.models.Status(v.value))
          case _ => {
            (js \ "value").validate[String] match {
              case play.api.libs.json.JsSuccess(v, _) => play.api.libs.json.JsSuccess(com.paintbatch.models.Status(v))
              case _: play.api.libs.json.JsError =>
                (js \ "status").validate[String] match {
                  case play.api.libs.json.JsSuccess(v, _) => play.api.libs.json.JsSuccess(com.paintbatch.models.Status(v))
                  case err: play.api.libs.json.JsError => err
                }
            }
          }
        }
      }
    }

    def jsonWritesPaintBatchOptimizerStatus(obj: com.paintbatch.models.Status) = {
      play.api.libs.json.JsString(obj.toString)
    }

    def jsObjectStatus(obj: com.paintbatch.models.Status) = {
      play.api.libs.json.Json.obj("value" -> play.api.libs.json.JsString(obj.toString))
    }

    implicit def jsonWritesPaintBatchOptimizerStatus: play.api.libs.json.Writes[Status] = {
      (obj: com.paintbatch.models.Status) => {
        com.paintbatch.models.json.jsonWritesPaintBatchOptimizerStatus(obj)
      }
    }

    implicit def jsonReadsPaintBatchOptimizerDemand: play.api.libs.json.Reads[com.paintbatch.models.Demand] = {
      (__ \ "paints").read[Seq[com.paintbatch.models.Paint]].map { x => Demand(paints = x) }
    }

    def jsObjectDemand(obj: com.paintbatch.models.Demand): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "paints" -> play.api.libs.json.Json.toJson(obj.paints)
      )
    }

    implicit def jsonWritesPaintBatchOptimizerDemand: play.api.libs.json.Writes[Demand] = {
      (obj: com.paintbatch.models.Demand) => {
        com.paintbatch.models.json.jsObjectDemand(obj)
      }
    }

    implicit def jsonReadsPaintBatchOptimizerHealthcheck: play.api.libs.json.Reads[com.paintbatch.models.Healthcheck] = {
      (__ \ "status").read[com.paintbatch.models.Status].map { x => Healthcheck(status = x) }
    }

    def jsObjectHealthcheck(obj: com.paintbatch.models.Healthcheck): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "status" -> play.api.libs.json.JsString(obj.status.toString)
      )
    }

    implicit def jsonWritesPaintBatchOptimizerHealthcheck: play.api.libs.json.Writes[Healthcheck] = {
      (obj: com.paintbatch.models.Healthcheck) => {
        com.paintbatch.models.json.jsObjectHealthcheck(obj)
      }
    }

    implicit def jsonReadsPaintBatchOptimizerOptimizeRequest: play.api.libs.json.Reads[com.paintbatch.models.OptimizeRequest] = {
      for {
        colors <- (__ \ "colors").read[Int]
        customers <- (__ \ "customers").read[Int]
        demands <- (__ \ "demands").read[Seq[com.paintbatch.models.Demand]]
      } yield OptimizeRequest(colors, customers, demands)
    }

    def jsObjectOptimizeRequest(obj: com.paintbatch.models.OptimizeRequest): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "colors" -> play.api.libs.json.JsNumber(obj.colors),
        "customers" -> play.api.libs.json.JsNumber(obj.customers),
        "demands" -> play.api.libs.json.Json.toJson(obj.demands)
      )
    }

    implicit def jsonWritesPaintBatchOptimizerOptimizeRequest: play.api.libs.json.Writes[OptimizeRequest] = {
      (obj: com.paintbatch.models.OptimizeRequest) => {
        com.paintbatch.models.json.jsObjectOptimizeRequest(obj)
      }
    }

    implicit def jsonReadsPaintBatchOptimizerPaint: play.api.libs.json.Reads[com.paintbatch.models.Paint] = {
      for {
        id <- (__ \ "id").read[Int]
        sheen <- (__ \ "sheen").read[com.paintbatch.models.Sheen]
      } yield Paint(id, sheen)
    }

    def jsObjectPaint(obj: com.paintbatch.models.Paint): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "id" -> play.api.libs.json.JsNumber(obj.id),
        "sheen" -> play.api.libs.json.JsString(obj.sheen.toString)
      )
    }

    implicit def jsonWritesPaintBatchOptimizerPaint: play.api.libs.json.Writes[Paint] = {
      (obj: com.paintbatch.models.Paint) => {
        com.paintbatch.models.json.jsObjectPaint(obj)
      }
    }

    implicit def jsonReadsPaintBatchOptimizerReadableError: play.api.libs.json.Reads[com.paintbatch.models.ReadableError] = {
      (__ \ "text").read[String].map { x => ReadableError(text = x) }
    }

    def jsObjectReadableError(obj: com.paintbatch.models.ReadableError): play.api.libs.json.JsObject = {
      play.api.libs.json.Json.obj(
        "text" -> play.api.libs.json.JsString(obj.text)
      )
    }

    implicit def jsonWritesPaintBatchOptimizerReadableError: play.api.libs.json.Writes[ReadableError] = {
      (obj: com.paintbatch.models.ReadableError) => {
        com.paintbatch.models.json.jsObjectReadableError(obj)
      }
    }
  }
}



package com.paintbatch {
  import com.ning.http.client.{AsyncCompletionHandler, AsyncHttpClient, Realm, Request, RequestBuilder, Response, AsyncHttpClientConfig}

  object Constants {

    val Namespace = "com.paintbatch"
    val UserAgent = "apibuilder app.apibuilder.io/paintbatch-com/paint-batch-optimizer/1.1.0/ning_1_9_client"
    val Version = "1.1.0"
    val VersionMajor = 1

  }

  class Client(
    val baseUrl: String,
    auth: scala.Option[com.paintbatch.Authorization] = None,
    defaultHeaders: Seq[(String, String)] = Nil,
    asyncHttpClient: AsyncHttpClient = Client.defaultAsyncHttpClient
  ) extends interfaces.Client {
    import org.slf4j.{Logger, LoggerFactory}
    import com.paintbatch.models.json._

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

    val logger = LoggerFactory.getLogger(getClass)

    def healthchecks: Healthchecks = Healthchecks

    def optimizeRequests: OptimizeRequests = OptimizeRequests

    object Healthchecks extends Healthchecks {
      override def getHealthcheck(
        requestHeaders: Seq[(String, String)] = Nil
      )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[com.paintbatch.models.Healthcheck] = {
        _executeRequest("GET", s"/_internal_/healthcheck", requestHeaders = requestHeaders).map {
          case r if r.getStatusCode == 200 => _root_.com.paintbatch.Client.parseJson("com.paintbatch.models.Healthcheck", r, _.validate[com.paintbatch.models.Healthcheck])
          case r => throw com.paintbatch.errors.FailedRequest(r.getStatusCode, s"Unsupported response code[${r.getStatusCode}]. Expected: 200", requestUri = Some(r.getUri.toJavaNetURI))
        }
      }
    }

    object OptimizeRequests extends OptimizeRequests {
      override def postOptimize(
        optimizeRequest: com.paintbatch.models.OptimizeRequest,
        requestHeaders: Seq[(String, String)] = Nil
      )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[String] = {
        val payload = play.api.libs.json.Json.toJson(optimizeRequest)

        _executeRequest("POST", s"/v2/optimize", body = Some(payload), requestHeaders = requestHeaders).map {
          case r if r.getStatusCode == 200 => _root_.com.paintbatch.Client.parseJson("String", r, _.validate[String])
          case r if r.getStatusCode == 422 => throw com.paintbatch.errors.ReadableErrorResponse(r)
          case r => throw com.paintbatch.errors.FailedRequest(r.getStatusCode, s"Unsupported response code[${r.getStatusCode}]. Expected: 200, 422", requestUri = Some(r.getUri.toJavaNetURI))
        }
      }
    }

    def _logRequest(request: Request): Unit = {
      if (logger.isInfoEnabled) {
        logger.info("_logRequest: " + request)
      }
    }

    def _logResponse(response: Response): Unit = {
      if (logger.isInfoEnabled) {
        logger.info("_logResponse: status=" + response.getStatusCode + ", responseBody: " + response.getResponseBody("UTF-8"))
      }
    }

    def _requestBuilder(method: String, path: String, requestHeaders: Seq[(String, String)]): RequestBuilder = {
      val builder = new RequestBuilder(method)
        .setUrl(baseUrl + path)
        .addHeader("User-Agent", Constants.UserAgent)
        .addHeader("X-Apidoc-Version", Constants.Version)
        .addHeader("X-Apidoc-Version-Major", Constants.VersionMajor.toString)

      defaultHeaders.foreach { h => builder.addHeader(h._1, h._2) }
      requestHeaders.foreach { h => builder.addHeader(h._1, h._2) }

      auth.fold(builder) {
        case Authorization.Basic(username, passwordOpt) => {
          builder.setRealm(
            new Realm.RealmBuilder()
              .setPrincipal(username)
              .setPassword(passwordOpt.getOrElse(""))
              .setUsePreemptiveAuth(true)
              .setScheme(Realm.AuthScheme.BASIC)
              .build()
          )
        }
        case a => sys.error("Invalid authorization scheme[" + a.getClass + "]")
      }
    }

    def _executeRequest(
      method: String,
      path: String,
      queryParameters: Seq[(String, String)] = Nil,
      requestHeaders: Seq[(String, String)] = Nil,
      body: Option[play.api.libs.json.JsValue] = None
    )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[com.ning.http.client.Response] = {
      val allHeaders = body match {
        case None => requestHeaders
        case Some(_) => _withJsonContentType(requestHeaders)
      }

      val request = _requestBuilder(method, path, allHeaders)

      queryParameters.foreach { pair =>
        request.addQueryParam(pair._1, pair._2)
      }

      val requestWithParamsAndBody = body.fold(request) { b =>
        val serialized = play.api.libs.json.Json.stringify(b)
        request.setBody(serialized)
      }

      val finalRequest = requestWithParamsAndBody.build()
      _logRequest(finalRequest)

      val result = scala.concurrent.Promise[com.ning.http.client.Response]()
      asyncHttpClient.executeRequest(finalRequest,
        new AsyncCompletionHandler[Unit]() {
          override def onCompleted(r: com.ning.http.client.Response) = {
            _logResponse(r)
            result.success(r)
          }
          override def onThrowable(t: Throwable) = result.failure(t)
        }
      )
      result.future
    }

    /**
     * Adds a Content-Type: application/json header unless the specified requestHeaders
     * already contain a Content-Type header
     */
    def _withJsonContentType(headers: Seq[(String, String)]): Seq[(String, String)] = {
      headers.find { _._1.toUpperCase == "CONTENT-TYPE" } match {
        case None => headers ++ Seq(("Content-Type" -> "application/json; charset=UTF-8"))
        case Some(_) => headers
      }
    }

  }

  object Client {

    private lazy val defaultAsyncHttpClient = {
      new AsyncHttpClient(
        new AsyncHttpClientConfig.Builder()
          .setExecutorService(java.util.concurrent.Executors.newCachedThreadPool())
          .build()
      )
    }

    def parseJson[T](
      className: String,
      r: _root_.com.ning.http.client.Response,
      f: (play.api.libs.json.JsValue => play.api.libs.json.JsResult[T])
    ): T = {
      f(play.api.libs.json.Json.parse(r.getResponseBody("UTF-8"))) match {
        case play.api.libs.json.JsSuccess(x, _) => x
        case play.api.libs.json.JsError(errors) => {
          throw com.paintbatch.errors.FailedRequest(r.getStatusCode, s"Invalid json for class[" + className + "]: " + errors.mkString(" "), requestUri = Some(r.getUri.toJavaNetURI))
        }
      }
    }

  }

  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: String
      def healthchecks: com.paintbatch.Healthchecks
      def optimizeRequests: com.paintbatch.OptimizeRequests
    }

  }

  trait Healthchecks {
    /**
     * GET health of service
     */
    def getHealthcheck(
      requestHeaders: Seq[(String, String)] = Nil
    )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[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
    )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[String]
  }

  package errors {

    import com.paintbatch.models.json._

    final case class ReadableErrorResponse(
      response: _root_.com.ning.http.client.Response,
      message: Option[String] = None
    ) extends Exception(message.getOrElse(s"${response.getStatusCode}: ${response.getResponseBody("UTF-8")}")) {
      lazy val readableError = _root_.com.paintbatch.Client.parseJson("com.paintbatch.models.ReadableError", response, _.validate[com.paintbatch.models.ReadableError])
    }

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

  }

  object PathSegment {
    // See https://github.com/playframework/playframework/blob/2.3.x/framework/src/play/src/main/scala/play/utils/UriEncoding.scala
    def encode(s: String, inputCharset: String): String = {
      val in = s.getBytes(inputCharset)
      val out = new java.io.ByteArrayOutputStream()
      for (b <- in) {
        val allowed = segmentChars.get(b & 0xFF)
        if (allowed) {
          out.write(b)
        } else {
          out.write('%')
          out.write(upperHex((b >> 4) & 0xF))
          out.write(upperHex(b & 0xF))
        }
      }
      out.toString("US-ASCII")
    }

    private def upperHex(x: Int): Int = {
      // Assume 0 <= x < 16
      if (x < 10) (x + '0') else (x - 10 + 'A')
    }

    private val segmentChars: java.util.BitSet = membershipTable(pchar)

    private def pchar: Seq[Char] = {
      val alphaDigit = for ((min, max) <- Seq(('a', 'z'), ('A', 'Z'), ('0', '9')); c <- min to max) yield c
      val unreserved = alphaDigit ++ Seq('-', '.', '_', '~')
      val subDelims = Seq('!', '$', '&', '\'', '(', ')', '*', '+', ',', ';', '=')
      unreserved ++ subDelims ++ Seq(':', '@')
    }

    private def membershipTable(chars: Seq[Char]): java.util.BitSet = {
      val bits = new java.util.BitSet(256)
      for (c <- chars) { bits.set(c.toInt) }
      bits
    }
  }
}