val currentTime = Instant.now()
val groupedByTime = games.groupBy {
    val gameStart = Instant.parse(it.date_with_time)
    val gameEnd = gameStart.plus(it.duration_in_seconds.toLong(), ChronoUnit.SECONDS)
    when {
        currentTime.isAfter(gameEnd) -> "PAST"
        currentTime.isBefore(gameStart) -> "UPCOMING"
        else -> "HAPPENING"
    }
}
val (past, upcoming, happening) = listOf(
    groupedByTime.getOrElse("PAST", { emptyList() }),
    groupedByTime.getOrElse("UPCOMING", { emptyList() }),
    groupedByTime.getOrElse("HAPPENING", { emptyList() })
)
val sortedGames = upcoming + happening + past.reversed()