package system

import (
	"github.com/yohamta/donburi/filter"
	"joylink.club/ecs"
	sysEvent "joylink.club/rtsssimulation/system/event"
	"log"
)

// 继电器有两个线圈1-2,3-4
// 电流方向1->2,3->4或4->3,2->1时产生同向磁场
type RelayState struct {
	//继电器是否吸合
	//true-吸合
	Xh bool
	//true-进行吸合动作，false-进行落下动作
	needXh bool
}

func NewRelayState() *RelayState {
	return &RelayState{Xh: false, needXh: false}
}

// 使needXh同Xh
func (me *RelayState) ResetNeedXh() {
	me.needXh = me.Xh
}

// 继电器状态组件
var RelayStateComponent = ecs.NewComponentType[RelayState]()

// 继电器系统
type RelaySystem struct {
	relayQuery *ecs.Query
}

// 继电器常量定义
const (
	//JWXC-1700无极缓放继电器,缓放时间ms
	JWXC_1700_RELEASE_TIME int64 = 300
	//JWJXC-H125/80无极加强缓放继电器，缓放时间ms
	JWJXC_H125_80_RELEASE_TIME int64 = 300
	//整流式缓放继电器，缓放时间ms
	JZXC_H18_RELEASE_TIME int64 = 300
	//JPXC-1000偏极继电器，缓放时间ms
	JPXC_1000_RELEASE_TIME int64 = 500
)

func NewRelaySystem() *RelaySystem {
	return &RelaySystem{
		relayQuery: ecs.NewQuery(filter.Contains(EntityIdentityComponent, RelayStateComponent)),
	}
}

func RelayAddListeners(w ecs.World) {
	sysEvent.RelayNeedChangeEventBus.Subscribe(w, RelayNeedChangeEventProcessor)
}

// 继电器须要改变事件处理
var RelayNeedChangeEventProcessor = func(w ecs.World, event sysEvent.RelayNeedChangeEvent) {
	log.Println("==>>收到继电器须改变事件：id = ", event.Id, " xh = ", event.Xh)
	relayEntry := FindEntityById(w, event.Id)
	relayState := RelayStateComponent.Get(relayEntry)
	relayState.needXh = event.Xh
}

// world 执行
func (me *RelaySystem) Update(w ecs.World) {
	me.relayQuery.Each(w, func(e *ecs.Entry) {
		relayState := RelayStateComponent.Get(e)
		//实际与目标不符，须动作
		if relayState.needXh != relayState.Xh {
			relayState.Xh = relayState.needXh
			//发送动作事件
			relayId := EntityIdentityComponent.Get(e).Id
			sysEvent.RelayActionEventBus.Publish(w, &sysEvent.RelayActionEvent{Id: relayId, Xh: relayState.Xh})
		}
	})
}