package singleton

import (
	"joylink.club/ecs"
	"joylink.club/ecs/filter"
	"joylink.club/rtsssimulation/modelrepo"
)

// 加载并初始化单例组件
func LoadSingletons(w ecs.World, r modelrepo.Repo) {
	loadWorldRepo(w, r)
	LoadWorldTime(w)
	loadUidEntityIndex(w)
}

type Singleton struct {
}

var worldRepoQuery = ecs.NewQuery(filter.Contains(WorldRepoType))
var worldTimeQuery = ecs.NewQuery(filter.Contains(WorldTimeType))
var uidEntityIndexQuery = ecs.NewQuery(filter.Contains(EntityUidIndexType))

func GetWorldTime(w ecs.World) *WorldTime {
	entry, _ := worldTimeQuery.First(w)
	if entry == nil {
		panic("不存在世界时间组件")
	}
	return WorldTimeType.Get(entry)
}

func GetWorldRepo(w ecs.World) *WorldRepo {
	entry, _ := worldRepoQuery.First(w)
	if entry == nil {
		panic("不存在世界数据组件")
	}
	return WorldRepoType.Get(entry)
}

func GetEntityUidIndex(w ecs.World) *EntityUidIndex {
	entry, _ := uidEntityIndexQuery.First(w)
	if entry == nil {
		panic("不存在UidEntityIndex组件")
	}
	return EntityUidIndexType.Get(entry)
}