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package {{invokerPackage}}

{{#java8}}
import java.time.{LocalDate, OffsetDateTime}
import java.time.format.DateTimeFormatter
{{/java8}}
{{#joda}}
import org.joda.time.DateTime
import org.joda.time.format.ISODateTimeFormat
{{/joda}}

{{#json4s}}
object DateSerializers {
    import org.json4s.{Serializer, CustomSerializer, JNull}
    import org.json4s.JsonAST.JString
    {{#java8}}
    import scala.util.Try
    import java.time.{LocalDateTime, ZoneId}

      case object DateTimeSerializer extends CustomSerializer[OffsetDateTime](_ => ( {
        case JString(s) =>
          Try(OffsetDateTime.parse(s, DateTimeFormatter.ISO_OFFSET_DATE_TIME)) orElse
            Try(LocalDateTime.parse(s).atZone(ZoneId.systemDefault()).toOffsetDateTime) getOrElse (null)
        case JNull => null
      }, {
        case d: OffsetDateTime =>
          JString(d.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME))
      }))

      case object LocalDateSerializer extends CustomSerializer[LocalDate]( _ => ( {
        case JString(s) => LocalDate.parse(s)
        case JNull => null
      }, {
        case d: LocalDate =>
         JString(d.format(DateTimeFormatter.ISO_LOCAL_DATE))
      }))
    {{/java8}}
    {{#joda}}
      case object DateTimeSerializer extends CustomSerializer[DateTime](_ => ( {
        case JString(s) =>
          ISODateTimeFormat.dateOptionalTimeParser().parseDateTime(s)
        case JNull => null
      }, {
        case d: org.joda.time.DateTime =>
          JString(ISODateTimeFormat.dateTime().print(d))
      })
      )

      case object LocalDateSerializer extends CustomSerializer[org.joda.time.LocalDate](_ => ( {
        case JString(s) => org.joda.time.format.DateTimeFormat.forPattern("yyyy-MM-dd").parseLocalDate(s)
        case JNull => null
      }, {
        case d: org.joda.time.LocalDate => JString(d.toString("yyyy-MM-dd"))
      }))
    {{/joda}}

  def all: Seq[Serializer[_]] = Seq[Serializer[_]]() :+ LocalDateSerializer :+ DateTimeSerializer
}
{{/json4s}}
{{#circe}}
trait DateSerializers {
    import io.circe.{Decoder, Encoder}
    {{#java8}}
    implicit val isoOffsetDateTimeDecoder: Decoder[OffsetDateTime] = Decoder.decodeOffsetDateTimeWithFormatter(DateTimeFormatter.ISO_OFFSET_DATE_TIME)
    implicit val isoOffsetDateTimeEncoder: Encoder[OffsetDateTime] = Encoder.encodeOffsetDateTimeWithFormatter(DateTimeFormatter.ISO_OFFSET_DATE_TIME)

    implicit val localDateDecoder: Decoder[LocalDate] = Decoder.decodeLocalDateWithFormatter(DateTimeFormatter.ISO_LOCAL_DATE)
    implicit val localDateEncoder: Encoder[LocalDate] = Encoder.encodeLocalDateWithFormatter(DateTimeFormatter.ISO_LOCAL_DATE)
    {{/java8}}
    {{#joda}}
    implicit val dateTimeDecoder: Decoder[DateTime] = Decoder.decodeString.map(ISODateTimeFormat.dateOptionalTimeParser().parseDateTime(_))
    implicit val dateTimeEncoder: Encoder[DateTime] = Encoder.encodeString.contramap(ISODateTimeFormat.dateTime().print(_))

    implicit val localDateDecoder: Decoder[org.joda.time.LocalDate] = Decoder.decodeString.map(org.joda.time.format.DateTimeFormat.forPattern("yyyy-MM-dd").parseLocalDate(_))
    implicit val localDateEncoder: Encoder[org.joda.time.LocalDate] = Encoder.encodeString.contramap(_.toString("yyyy-MM-dd"))
    {{/joda}}
}
{{/circe}}