package hostops

import (
	"github.com/carlosframework/platform/internal/hostactors"
	"github.com/carlosframework/platform/internal/park"
)

// ClaimMoveRosterPlaces is shared by the console preflight and the start CAS.
func ClaimMoveRosterPlaces(r hostactors.Roster, source, target, recRegion, to string, homeNames ...string) bool {
	if len(homeNames) > 1 {
		return false
	}
	home := ""
	if len(homeNames) == 1 {
		home = homeNames[0]
	}
	if home != "" && park.PlacementRegion(home) != home {
		return false
	}
	src, sourceOK := r.Boxes[source]
	dst, targetOK := r.Boxes[target]
	if !sourceOK || !targetOK || source == target || src.State != "active" || dst.State != "active" || src.Enrollment == "" || dst.Enrollment == "" || src.Region == "" || dst.Region == "" {
		return false
	}
	from, into := park.PlacementRegion(park.HomePlacementCode(home, src.Region)), park.PlacementRegion(park.HomePlacementCode(home, dst.Region))
	return from != "" && into != "" && from != into && from == park.PlacementRegion(recRegion) && into == park.PlacementRegion(to)
}