package xyz.driver.pdsuidomain.services

import xyz.driver.core.rest.AuthorizedServiceRequestContext
import xyz.driver.entities.users.AuthUserInfo
import xyz.driver.pdsuicommon.db.{Pagination, SearchFilterExpr, Sorting}
import xyz.driver.pdsuicommon.domain.LongId
import xyz.driver.pdsuicommon.error.DomainError
import xyz.driver.pdsuicommon.logging._
import xyz.driver.pdsuidomain.entities._

import scala.concurrent.Future

object InterventionService {

  trait DefaultNotFoundError {
    def userMessage: String = "Intervention not found"
  }

  trait DefaultAccessDeniedError {
    def userMessage: String = "Access denied"
  }

  sealed trait GetListReply
  object GetListReply {
    final case class EntityList(xs: Seq[InterventionWithArms], totalFound: Int) extends GetListReply

    case object AuthorizationError
        extends GetListReply with DomainError.AuthorizationError with DefaultAccessDeniedError
  }

  sealed trait GetByIdReply
  object GetByIdReply {
    final case class Entity(x: InterventionWithArms) extends GetByIdReply

    type Error = GetByIdReply with DomainError

    case object NotFoundError extends GetByIdReply with DefaultNotFoundError with DomainError.NotFoundError

    case object AuthorizationError
        extends GetByIdReply with DomainError.AuthorizationError with DefaultAccessDeniedError

    final case class CommonError(userMessage: String)(
            implicit requestContext: AuthorizedServiceRequestContext[AuthUserInfo])
        extends GetByIdReply with DomainError

    implicit def toPhiString(reply: GetByIdReply): PhiString = reply match {
      case x: DomainError => phi"GetByIdReply.Error($x)"
      case Entity(x)      => phi"GetByIdReply.Entity($x)"
    }
  }

  sealed trait UpdateReply
  object UpdateReply {
    type Error = UpdateReply with DomainError

    final case class Updated(updated: InterventionWithArms) extends UpdateReply

    case object NotFoundError extends UpdateReply with DefaultNotFoundError with DomainError.NotFoundError

    case object AuthorizationError
        extends UpdateReply with DefaultAccessDeniedError with DomainError.AuthorizationError

    final case class CommonError(userMessage: String) extends UpdateReply with DomainError
  }

  sealed trait CreateReply
  object CreateReply {
    final case class Created(x: InterventionWithArms) extends CreateReply

    type Error = CreateReply with DomainError

    case object AuthorizationError
        extends CreateReply with DefaultAccessDeniedError with DomainError.AuthorizationError

    final case class CommonError(userMessage: String) extends CreateReply with DomainError

    implicit def toPhiString(reply: CreateReply): PhiString = reply match {
      case Created(x) => phi"Created($x)"
      case x: Error   => DomainError.toPhiString(x)
    }
  }

  sealed trait DeleteReply
  object DeleteReply {
    case object Deleted extends DeleteReply

    type Error = DeleteReply with DomainError

    case object NotFoundError extends DeleteReply with DefaultNotFoundError with DomainError.NotFoundError

    case object AuthorizationError
        extends DeleteReply with DefaultAccessDeniedError with DomainError.AuthorizationError

    final case class CommonError(userMessage: String) extends DeleteReply with DomainError
  }

}

trait InterventionService {

  import InterventionService._

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

  def getById(id: LongId[Intervention])(
          implicit requestContext: AuthorizedServiceRequestContext[AuthUserInfo]): Future[GetByIdReply]

  def update(origIntervention: InterventionWithArms, draftIntervention: InterventionWithArms)(
          implicit requestContext: AuthorizedServiceRequestContext[AuthUserInfo]): Future[UpdateReply]

  def create(draftIntervention: InterventionWithArms)(
          implicit requestContext: AuthorizedServiceRequestContext[AuthUserInfo]): Future[CreateReply]

  def delete(id: LongId[Intervention])(
          implicit requestContext: AuthorizedServiceRequestContext[AuthUserInfo]): Future[DeleteReply]
}