package xyz.driver.pdsuidomain.services.rest

import scala.concurrent.{ExecutionContext, Future}

import akka.http.scaladsl.marshalling.Marshal
import akka.http.scaladsl.model._
import akka.stream.ActorMaterializer
import xyz.driver.core.rest._
import xyz.driver.pdsuicommon.auth._
import xyz.driver.pdsuicommon.db._
import xyz.driver.pdsuicommon.domain._
import xyz.driver.pdsuidomain.entities._
import xyz.driver.pdsuidomain.formats.json.ListResponse
import xyz.driver.pdsuidomain.services.CriterionService

class RestCriterionService(transport: ServiceTransport, baseUri: Uri)(
        implicit protected val materializer: ActorMaterializer,
        protected val exec: ExecutionContext)
    extends CriterionService with RestHelper {

  import xyz.driver.pdsuicommon.serialization.PlayJsonSupport._
  import xyz.driver.pdsuidomain.formats.json.criterion.ApiCriterion
  import xyz.driver.pdsuidomain.services.CriterionService._

  // GET               /v1/criterion              xyz.driver.server.controllers.CriterionController.getList
  // GET               /v1/criterion/:id          xyz.driver.server.controllers.CriterionController.getById(id: Long)
  // PATCH             /v1/criterion/:id          xyz.driver.server.controllers.CriterionController.update(id: Long)
  // POST              /v1/criterion              xyz.driver.server.controllers.CriterionController.create
  // DELETE            /v1/criterion/:id          xyz.driver.server.controllers.CriterionController.delete(id: Long)

  def create(draftRichCriterion: RichCriterion)(
          implicit requestContext: AuthenticatedRequestContext): Future[CreateReply] = {
    for {
      entity <- Marshal(ApiCriterion.fromDomain(draftRichCriterion)).to[RequestEntity]
      request = HttpRequest(HttpMethods.POST, endpointUri(baseUri, "/v1/criterion")).withEntity(entity)
      response <- transport.sendRequestGetResponse(requestContext)(request)
      reply <- apiResponse[ApiCriterion, CreateReply](response) { api =>
                CreateReply.Created(api.toDomain)
              }()
    } yield {
      reply
    }
  }

  def getById(id: LongId[Criterion])(implicit requestContext: AuthenticatedRequestContext): Future[GetByIdReply] = {
    val request = HttpRequest(HttpMethods.GET, endpointUri(baseUri, s"/v1/criterion/$id"))
    for {
      response <- transport.sendRequestGetResponse(requestContext)(request)
      reply <- apiResponse[ApiCriterion, GetByIdReply](response) { api =>
                GetByIdReply.Entity(api.toDomain)
              }()
    } yield {
      reply
    }
  }

  def getAll(filter: SearchFilterExpr = SearchFilterExpr.Empty,
             sorting: Option[Sorting] = None,
             pagination: Option[Pagination] = None)(
          implicit requestContext: AuthenticatedRequestContext): Future[GetListReply] = {

    val request = HttpRequest(HttpMethods.GET,
                              endpointUri(baseUri,
                                          s"/v1/criterion",
                                          filterQuery(filter) ++ sortingQuery(sorting) ++ paginationQuery(pagination)))

    for {
      response <- transport.sendRequestGetResponse(requestContext)(request)
      reply <- apiResponse[ListResponse[ApiCriterion], GetListReply](response) { api =>
                GetListReply.EntityList(
                  api.items.map(_.toDomain),
                  api.meta.itemsCount,
                  api.meta.lastUpdate
                )
              }()
    } yield {
      reply
    }
  }

  def update(origRichCriterion: RichCriterion, draftRichCriterion: RichCriterion)(
          implicit requestContext: AuthenticatedRequestContext): Future[UpdateReply] = {
    val id = origRichCriterion.criterion.id
    for {
      entity <- Marshal(ApiCriterion.fromDomain(draftRichCriterion)).to[RequestEntity]
      request = HttpRequest(HttpMethods.PATCH, endpointUri(baseUri, s"/v1/criterion/$id")).withEntity(entity)
      response <- transport.sendRequestGetResponse(requestContext)(request)
      reply <- apiResponse[ApiCriterion, UpdateReply](response) { api =>
                UpdateReply.Updated(api.toDomain)
              }()
    } yield {
      reply
    }
  }

  def delete(id: LongId[Criterion])(implicit requestContext: AuthenticatedRequestContext): Future[DeleteReply] = {
    val request = HttpRequest(HttpMethods.DELETE, endpointUri(baseUri, s"/v1/criterion/$id"))
    for {
      response <- transport.sendRequestGetResponse(requestContext)(request)
      reply <- apiResponse[ApiCriterion, DeleteReply](response) { _ =>
                DeleteReply.Deleted
              }()
    } yield {
      reply
    }
  }

}