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
}

func IsAction(action Action, oneOf ...Action) bool {
	if oneOf == nil || len(oneOf) == 0 {
		return false
	}

	for i := range oneOf {
		if action == oneOf[i] {
			return true
		}
	}

	return false
}

func ActionToSide(action Action) Side {
	switch action {
	case Action_DOUBLE_SELL:
		return SHORT
	case Action_SELL:
		return SHORT
	case Action_BUY:
		return LONG
	case Action_DOUBLE_BUY:
		return LONG
	default:
		return BASE
	}
}