package console

import (
	"github.com/carlosframework/platform/internal/boxchoice"
)

// The box eligibility predicate and the choice live in internal/boxchoice,
// the contract console and moves share. These names keep console's own
// vocabulary.
type (
	boxCandidate = boxchoice.Candidate
	rosterBox    = boxchoice.RosterBox
	boxLoad      = boxchoice.Load
)

// eligibleBoxes is boxchoice.Eligible on console's edges snapshot. The
// snapshot is complete only when both its files and its liveness are
// (edgesfile.Snapshot.EvidenceComplete).
func eligibleBoxes(snap edgesSnapshot, roster map[string]rosterBox, placement, awsRegion, homeName, expectedFP string, lost map[string]bool) []boxCandidate {
	return boxchoice.Eligible(boxSnapshot(snap), roster, placement, awsRegion, homeName, expectedFP, lost)
}

// boxSnapshot is edgesfile.Snapshot.BoxChoice.
func boxSnapshot(snap edgesSnapshot) boxchoice.Snapshot { return snap.BoxChoice() }

// chooseBox is boxchoice.Choose.
func chooseBox(host string, cands []boxCandidate, running map[string]boxLoad, app string) (boxCandidate, bool) {
	return boxchoice.Choose(host, cands, running, app)
}