/**
 * Generated by API Builder - https://www.apibuilder.io
 * Service version: 1.0.0-dev
 * User agent: apibuilder app.apibuilder.io/helicalmoment/zola-takehome/1.0.0-dev/http4s_0_17
 */
package org.helicalmoment.zola.takehome.v1.server

import org.http4s.dsl._

import org.helicalmoment.zola.takehome.v1.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 == "1" => true
      case _ => false
    }
  }


  object InvoiceNumberOptStringMatcher extends OptionalQueryParamDecoderMatcher[String]("invoice_number")

  object LimitOptIntMatcher extends OptionalQueryParamDecoderMatcher[Int]("limit")

  object OffsetOptIntMatcher extends OptionalQueryParamDecoderMatcher[Int]("offset")

  object PoNumberOptStringMatcher extends OptionalQueryParamDecoderMatcher[String]("po_number")
}

trait InvoiceRoutes {

  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 PutResponse

  object PutResponse {
    case class HTTP201(value: org.helicalmoment.zola.takehome.v1.models.Invoice, headers: Seq[org.http4s.Header] = Nil) extends PutResponse
    case class UndocumentedResponse(response: fs2.Task[org.http4s.Response]) extends PutResponse
  }

  def put(
    _req: org.http4s.Request,
    body: => org.http4s.DecodeResult[org.helicalmoment.zola.takehome.v1.models.Invoice]
  ): fs2.Task[PutResponse]

  sealed trait GetResponse

  object GetResponse {
    case class HTTP200(value: Seq[org.helicalmoment.zola.takehome.v1.models.Invoice], 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,
    invoiceNumber: _root_.scala.Option[String],
    poNumber: _root_.scala.Option[String],
    limit: _root_.scala.Option[Int],
    offset: _root_.scala.Option[Int]
  ): fs2.Task[GetResponse]

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

  def service() = org.http4s.HttpService {
    case _req @ PUT -> Root / "v1" / "invoices" if apiVersionMatch(_req) =>
      put(_req, _req.attemptAs[org.helicalmoment.zola.takehome.v1.models.Invoice]).flatMap {
        case PutResponse.HTTP201(value, headers) => Created(value).putHeaders(headers: _*)
        case PutResponse.UndocumentedResponse(response) => response
      }
    case _req @ PUT -> Root / "v1" / "invoices" if !_req.headers.get(ApiVersion.ApiVersionMajor).isDefined =>
      BadRequest(s"Missing required request header: ${ApiVersion.ApiVersionMajor}.")

    case _req @ GET -> Root / "v1" / "invoices" :? InvoiceNumberOptStringMatcher(invoiceNumber) +& PoNumberOptStringMatcher(poNumber) +& LimitOptIntMatcher(limit) +& OffsetOptIntMatcher(offset) if apiVersionMatch(_req) =>
      get(_req, invoiceNumber, poNumber, limit, offset).flatMap {
        case GetResponse.HTTP200(value, headers) => Ok(value).putHeaders(headers: _*)
        case GetResponse.UndocumentedResponse(response) => response
      }
    case _req @ GET -> Root / "v1" / "invoices" :? InvoiceNumberOptStringMatcher(invoiceNumber) +& PoNumberOptStringMatcher(poNumber) +& LimitOptIntMatcher(limit) +& OffsetOptIntMatcher(offset) if !_req.headers.get(ApiVersion.ApiVersionMajor).isDefined =>
      BadRequest(s"Missing required request header: ${ApiVersion.ApiVersionMajor}.")
  }
}