package sentio

import (
	"cmp"
	"slices"
)

func CompareProbabilityStamps(a, b *Probability_Stamp) int {
	return cmp.Compare(a.Time.AsTime().Unix(), b.Time.AsTime().Unix())
}

func (x *Probability) First() (*Probability_Stamp, bool) {
	return x.Next(0)
}

func (x *Probability) Next(n int) (*Probability_Stamp, bool) {
	if x.Stamps == nil || len(x.Stamps) <= n {
		return nil, false
	}

	slices.SortFunc(x.Stamps, CompareProbabilityStamps)
	return x.Stamps[n], true
}