package game

import "github.com/iliadenisov/galaxy/pkg/model/game"

func DeclareWar(configure func(*Param), from, to string) (err error) {
	control(configure, func(c *ctrl) { c.execute(func(r Repo) { err = updateRelation(r, from, to, game.RelationWar) }) })
	return
}

func DeclarePeace(configure func(*Param), from, to string) (err error) {
	control(configure, func(c *ctrl) { c.execute(func(r Repo) { err = updateRelation(r, from, to, game.RelationPeace) }) })
	return
}

func updateRelation(r Repo, hostRace, opponentRace string, rel game.Relation) error {
	g, err := r.LoadState()
	if err != nil {
		return err
	}
	hostID, err := g.HostRaceID(hostRace)
	if err != nil {
		return err
	}
	opponentID, err := g.OpponentRaceID(opponentRace)
	if err != nil {
		return err
	}
	if err := g.UpdateRelation(hostID, opponentID, rel); err != nil {
		return err
	}
	return r.SaveState(g)
}