module AdminHelper
  def format_bytes(bytes)
    return "—" if bytes.nil?

    units = %w[B KB MB GB TB]
    size = bytes.to_f
    unit = units.shift
    while size >= 1024 && units.any?
      size /= 1024
      unit = units.shift
    end
    "#{size.round(size >= 10 ? 0 : 1)} #{unit}"
  end

  def format_duration_minutes(minutes)
    return "0 min" if minutes.to_i <= 0

    hours = minutes / 60
    mins = minutes % 60
    hours.positive? ? "#{hours}h #{mins}m" : "#{mins} min"
  end

  def admin_session_watch_links(session)
    links = []
    if session.matchlivetv_platform?
      links << { label: "Pagina live", url: session.watch_page_url }
    end
    youtube = session.youtube_watch_url
    links << { label: "YouTube", url: youtube } if youtube.present?
    links
  end

  def admin_regia_expires_label(iso_time)
    return if iso_time.blank?

    Time.zone.parse(iso_time).strftime("%d/%m/%Y %H:%M")
  rescue ArgumentError, TypeError
    nil
  end
end