package app

func allocateTransportSlots(items []TransportClient) (string, int) {
	usedMarks := map[uint64]struct{}{}
	usedPrefs := map[int]struct{}{}
	for _, it := range items {
		if n, ok := parseTransportMarkHex(it.MarkHex); ok {
			usedMarks[n] = struct{}{}
		}
		if p, ok := parseTransportPref(it.PriorityBase); ok {
			usedPrefs[p] = struct{}{}
		}
	}
	mark := nextTransportMark(usedMarks)
	pref := nextTransportPref(usedPrefs)
	return formatTransportMarkHex(mark), pref
}