package entity

import (
	"time"

	"joylink.club/ecs"
	"joylink.club/ecs/filter"
	"joylink.club/rtsssimulation/component"
	"joylink.club/rtsssimulation/repository"
)

// 初始化世界数据
func LoadWorldData(w ecs.World, repo *repository.Repository) {
	if repo == nil {
		panic("repo不能为nil")
	}
	entry := w.Entry(w.Create(component.WorldDataType))
	component.WorldDataType.Set(entry, &component.WorldData{
		Repo:      repo,
		Time:      time.Now().UnixMilli(),
		EntityMap: make(map[string]*ecs.Entry),
	})
}

var worldDataQuery = ecs.NewQuery(filter.Contains(component.WorldDataType))

// 获取世界数据
func GetWorldData(w ecs.World) *component.WorldData {
	entry, ok := worldDataQuery.First(w)
	if ok {
		return component.WorldDataType.Get(entry)
	}
	panic("不存在世界数据组件")
}

// 根据uid获取对象实体
func GetEntityByUid(w ecs.World, uid string) (entry *ecs.Entry, ok bool) {
	wd := GetWorldData(w)
	entry, ok = wd.EntityMap[uid]
	return
}