package game

import (
	"strings"
)

func verbToSkill(verb string) string {
	return verbSkill[verb]
}

func (g *Game) defaultTarget(roomID int, verb string) string {
	skill := verbToSkill(verb)
	if skill == "" {
		return ""
	}

	objStates := g.World.AllObjInstances(roomID)

	type candidate struct {
		defID string
		name  string
	}
	var candidates []candidate
	seen := make(map[string]bool)

	for _, st := range objStates {
		if seen[st.DefID] {
			continue
		}
		seen[st.DefID] = true

		objDef, err := g.ObjectStore.Load(st.DefID)
		if err != nil || !objDef.IsGatherable() {
			continue
		}

		if strings.EqualFold(objDef.Gather.Skill, skill) {
			candidates = append(candidates, candidate{defID: st.DefID, name: objDef.Name})
		}
	}

	if len(candidates) == 1 {
		return candidates[0].name
	}
	return ""
}

func (g *Game) resolveDefaultMob(roomID int) string {
	mobs := g.MobStore.MobsInRoom(roomID)
	if len(mobs) == 0 {
		return ""
	}

	firstDef := mobs[0].DefID
	for _, m := range mobs[1:] {
		if m.DefID != firstDef {
			return ""
		}
	}
	return mobs[0].Name
}