package system

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

// SignalJCKXHState 电路状态：信号机JCKXH(红-白-黄) 进/出库列车兼调车信号机(三显示不封灯、有单黄显示、无引导)
type SignalJCKXHState struct {
	// 物理黄灯，true-亮
	U bool
	// 物理白灯，true-亮
	B bool
	// 物理红灯，true-亮
	H bool
	//灯丝继电器，true-吸合
	DJ bool
	//调车信号继电器，true-吸合
	DXJ bool
	//列车信号继电器，true-吸合
	LXJ bool
}

// SignalJCKXHFilamentState 信号机3XH-2 灯丝状态
type SignalJCKXHFilamentState struct {
	// 物理黄灯，true-灯丝正常
	Uf bool
	// 物理白灯，true-灯丝正常
	Bf bool
	// 物理红灯，true-灯丝正常
	Hf bool
}

type SignalJCKXHSystem struct {
}

func NewSignalJCKXHState() *SignalJCKXHState {
	return &SignalJCKXHState{DJ: true, LXJ: false, DXJ: false, U: false, B: false, H: true}
}
func NewSignalJCKXHFilamentState() *SignalJCKXHFilamentState {
	return &SignalJCKXHFilamentState{Uf: true, Bf: true, Hf: true}
}
func NewSignalJCKXHSystem() *SignalJCKXHSystem {
	return &SignalJCKXHSystem{}
}

var SignalJCKXHStateComponent = ecs.NewComponentType[SignalJCKXHState]()
var SignalJCKXHFilamentStateComponent = ecs.NewComponentType[SignalJCKXHFilamentState]()
var signalJCKXHQuery = ecs.NewQuery(filter.Contains(EntityIdentityComponent, SignalJCKXHStateComponent))

// Update world 执行
func (me *SignalJCKXHSystem) Update(w ecs.World) {
	signalJCKXHQuery.Each(w, func(e *ecs.Entry) {
		state := SignalJCKXHStateComponent.Get(e)
		filament := SignalJCKXHFilamentStateComponent.Get(e)
		//
		me.calculateU(w, state, filament)
		me.calculateB(w, state, filament)
		me.calculateH(w, state, filament)
		me.calculateDJ(w, e, state, filament)
	})
}

// SignalJCKXHRelayActionEventProcessor 继电器动作事件处理
var SignalJCKXHRelayActionEventProcessor = func(w ecs.World, event sysEvent.RelayActionEvent) {
	//根据event来更新SignalJCKXHState中对应继电器的状态
	signalJCKXHQuery.Each(w, func(e *ecs.Entry) {
		signalModel := FindModelStorage(w).FindById(EntityIdentityComponent.Get(e).Id)
		roler, ok := signalModel.(umi.IRelayCRole)
		if ok {
			if relayGroup, relayName, find := roler.FindCircuitRoleById(event.Id); find {
				if relayGroup == SIGNAL_JCKXH {
					state := SignalJCKXHStateComponent.Get(e)
					switch relayName {
					case SIGNAL_DJ:
						state.DJ = event.Xh
					case SIGNAL_DXJ:
						state.DXJ = event.Xh
					case SIGNAL_LXJ:
						state.LXJ = event.Xh
					default:
						panic(fmt.Sprintf("SignalJCKXH的模型[%s]中继电器功能名称[%s]无法识别", signalModel.Id(), relayName))
					}
				} else {
					panic(fmt.Sprintf("SignalJCKXH的模型[%s]中继电器组合类型[%s]无法识别", signalModel.Id(), relayGroup))
				}
			}
		} else {
			panic("SignalJCKXH的模型未实现接口umi.IRelayCRoler")
		}
	})
}

func (me *SignalJCKXHSystem) calculateU(w ecs.World, state *SignalJCKXHState, filament *SignalJCKXHFilamentState) {
	isU := filament.Uf && state.LXJ
	state.U = isU
}

func (me *SignalJCKXHSystem) calculateB(w ecs.World, state *SignalJCKXHState, filament *SignalJCKXHFilamentState) {
	isB := filament.Bf && !state.LXJ && state.DXJ
	state.B = isB
}

func (me *SignalJCKXHSystem) calculateH(w ecs.World, state *SignalJCKXHState, filament *SignalJCKXHFilamentState) {
	isH := filament.Bf && !state.LXJ && state.DXJ
	state.H = isH
}

func (me *SignalJCKXHSystem) calculateDJ(w ecs.World, e *ecs.Entry, state *SignalJCKXHState, filament *SignalJCKXHFilamentState) {
	isDJ := filament.Uf && state.LXJ || filament.Bf && !state.LXJ && state.DXJ || filament.Bf && !state.LXJ && state.DXJ
	if isDJ != state.DJ {
		if event, ok := createRelayNeedChangeEvent(w, EntityIdentityComponent.Get(e).Id, SIGNAL_JCKXH, SIGNAL_DJ, isDJ); ok {
			sysEvent.RelayNeedChangeEventBus.Publish(w, event)
		}
	}
}