/**
  * Generated by API Builder - https://www.apibuilder.io
  * Service version: 0.0.2
  * User agent: apibuilder app.apibuilder.io/hbc/api-fraud/0.0.2/play_2_6
  */
package com.hbc.api.fraud.v0 {

  object Constants {

    val BaseUrl = "http://fraud-frozone"
    val Namespace = "com.hbc.api.fraud.v0"
    val UserAgent = "apibuilder app.apibuilder.io/hbc/api-fraud/0.0.2/play_2_6"
    val Version = "0.0.2"
    val VersionMajor = 0

  }

  class Client(
      ws: play.api.libs.ws.WSClient,
      val baseUrl: String = "http://fraud-frozone",
      auth: scala.Option[com.hbc.api.fraud.v0.Authorization] = None,
      defaultHeaders: Seq[(String, String)] = Nil
  ) extends interfaces.Client {
    import com.hbc.api.fraud.v0.models.json._

    private val logger = play.api.Logger("com.hbc.api.fraud.v0.Client")

    logger.info(s"Initializing com.hbc.api.fraud.v0.Client for url $baseUrl")

    def decisions: Decisions = Decisions

    def transactions: Transactions = Transactions

    object Decisions extends Decisions {
      override def post(
          decision: com.hbc.api.fraud.v0.models.Decision,
          requestHeaders: Seq[(String, String)] = Nil
      )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[Unit] = {
        val payload = play.api.libs.json.Json.toJson(decision)

        _executeRequest("POST", s"/decision", body = Some(payload), requestHeaders = requestHeaders).map {
          case r if r.status == 200 => ()
          case r if r.status == 400 => throw com.hbc.api.fraud.v0.errors.ErrorsResponse(r)
          case r =>
            throw com.hbc.api.fraud.v0.errors
              .FailedRequest(r.status, s"Unsupported response code[${r.status}]. Expected: 200, 400")
        }
      }
    }

    object Transactions extends Transactions {
      override def post(
          transaction: com.hbc.api.fraud.v0.models.Transaction,
          requestHeaders: Seq[(String, String)] = Nil
      )(
          implicit ec: scala.concurrent.ExecutionContext
      ): scala.concurrent.Future[com.hbc.api.fraud.v0.models.Decision] = {
        val payload = play.api.libs.json.Json.toJson(transaction)

        _executeRequest("POST", s"/transaction", body = Some(payload), requestHeaders = requestHeaders).map {
          case r if r.status == 200 =>
            _root_.com.hbc.api.fraud.v0.Client
              .parseJson("com.hbc.api.fraud.v0.models.Decision", r, _.validate[com.hbc.api.fraud.v0.models.Decision])
          case r if r.status == 400 => throw com.hbc.api.fraud.v0.errors.ErrorsResponse(r)
          case r =>
            throw com.hbc.api.fraud.v0.errors
              .FailedRequest(r.status, s"Unsupported response code[${r.status}]. Expected: 200, 400")
        }
      }
    }

    def _requestHolder(path: String): play.api.libs.ws.WSRequest = {

      val holder = ws
        .url(baseUrl + path)
        .addHttpHeaders(
          "User-Agent" -> Constants.UserAgent,
          "X-Apidoc-Version" -> Constants.Version,
          "X-Apidoc-Version-Major" -> Constants.VersionMajor.toString
        )
        .addHttpHeaders(defaultHeaders: _*)
      auth.fold(holder) {
        case Authorization.Basic(username, password) => {
          holder.withAuth(username, password.getOrElse(""), play.api.libs.ws.WSAuthScheme.BASIC)
        }
      }
    }

    def _logRequest(method: String, req: play.api.libs.ws.WSRequest): play.api.libs.ws.WSRequest = {
      val queryComponents = for {
        (name, values) <- req.queryString
        value <- values
      } yield s"$name=$value"
      val url = s"${req.url}${queryComponents.mkString("?", "&", "")}"
      auth.fold(logger.info(s"curl -X $method '$url'")) { _ =>
        logger.info(s"curl -X $method -u '[REDACTED]:' '$url'")
      }
      req
    }

    def _executeRequest(
        method: String,
        path: String,
        queryParameters: Seq[(String, String)] = Nil,
        requestHeaders: Seq[(String, String)] = Nil,
        body: Option[play.api.libs.json.JsValue] = None
    ): scala.concurrent.Future[play.api.libs.ws.WSResponse] = {
      method.toUpperCase match {
        case "GET" => {
          _logRequest(
            "GET",
            _requestHolder(path).addHttpHeaders(requestHeaders: _*).addQueryStringParameters(queryParameters: _*)
          ).get()
        }
        case "POST" => {
          _logRequest(
            "POST",
            _requestHolder(path)
              .addHttpHeaders(_withJsonContentType(requestHeaders): _*)
              .addQueryStringParameters(queryParameters: _*)
          ).post(body.getOrElse(play.api.libs.json.Json.obj()))
        }
        case "PUT" => {
          _logRequest(
            "PUT",
            _requestHolder(path)
              .addHttpHeaders(_withJsonContentType(requestHeaders): _*)
              .addQueryStringParameters(queryParameters: _*)
          ).put(body.getOrElse(play.api.libs.json.Json.obj()))
        }
        case "PATCH" => {
          _logRequest(
            "PATCH",
            _requestHolder(path).addHttpHeaders(requestHeaders: _*).addQueryStringParameters(queryParameters: _*)
          ).patch(body.getOrElse(play.api.libs.json.Json.obj()))
        }
        case "DELETE" => {
          _logRequest(
            "DELETE",
            _requestHolder(path).addHttpHeaders(requestHeaders: _*).addQueryStringParameters(queryParameters: _*)
          ).delete()
        }
        case "HEAD" => {
          _logRequest(
            "HEAD",
            _requestHolder(path).addHttpHeaders(requestHeaders: _*).addQueryStringParameters(queryParameters: _*)
          ).head()
        }
        case "OPTIONS" => {
          _logRequest(
            "OPTIONS",
            _requestHolder(path).addHttpHeaders(requestHeaders: _*).addQueryStringParameters(queryParameters: _*)
          ).options()
        }
        case _ => {
          _logRequest(
            method,
            _requestHolder(path).addHttpHeaders(requestHeaders: _*).addQueryStringParameters(queryParameters: _*)
          )
          sys.error("Unsupported method[%s]".format(method))
        }
      }
    }

    /**
      * 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 {

    def parseJson[T](
        className: String,
        r: play.api.libs.ws.WSResponse,
        f: (play.api.libs.json.JsValue => play.api.libs.json.JsResult[T])
    ): T = {
      f(play.api.libs.json.Json.parse(r.body)) match {
        case play.api.libs.json.JsSuccess(x, _) => x
        case play.api.libs.json.JsError(errors) => {
          throw com.hbc.api.fraud.v0.errors
            .FailedRequest(r.status, s"Invalid json for class[" + className + "]: " + errors.mkString(" "))
        }
      }
    }

  }

  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 decisions: com.hbc.api.fraud.v0.Decisions
      def transactions: com.hbc.api.fraud.v0.Transactions
    }

  }

  trait Decisions {

    /**
      * Consumes the decision about a transaction (usually meant for manual review) and
      * triggers OMS to process/cancel the order
      */
    def post(
        decision: com.hbc.api.fraud.v0.models.Decision,
        requestHeaders: Seq[(String, String)] = Nil
    )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[Unit]
  }

  trait Transactions {

    /**
      * Provides decision about a transaction by supplying order or other information
      */
    def post(
        transaction: com.hbc.api.fraud.v0.models.Transaction,
        requestHeaders: Seq[(String, String)] = Nil
    )(implicit ec: scala.concurrent.ExecutionContext): scala.concurrent.Future[com.hbc.api.fraud.v0.models.Decision]
  }

  package errors {

    import com.hbc.api.fraud.v0.models.json._

    final case class ErrorsResponse(
        response: play.api.libs.ws.WSResponse,
        message: Option[String] = None
    ) extends Exception(message.getOrElse(s"${response.status}: ${response.body}")) {
      lazy val errors = _root_.com.hbc.api.fraud.v0.Client.parseJson(
        "Seq[com.hbc.api.fraud.v0.models.Error]",
        response,
        _.validate[Seq[com.hbc.api.fraud.v0.models.Error]]
      )
    }

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

  }

}