package system

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

// SignalJDXHState 电路状态：信号机JDXH(红-绿-黄) 进段信号机(三显示不封灯、无单黄显示、带引导)
type SignalJDXHState struct {
	// 物理黄灯，true-亮
	U bool
	// 物理绿灯，true-亮
	L bool
	// 物理红灯，true-亮
	H bool
	// 2DJ灯丝继电器，true-吸合
	EDJ bool
	//灯丝继电器，true-吸合
	DJ bool
	//列车信号继电器，true-吸合
	LXJ bool
	//引导信号继电器，true-吸合
	YXJ bool
}

// SignalJDXHFilamentState 信号机3XH-2 灯丝状态
type SignalJDXHFilamentState struct {
	// 物理黄灯，true-灯丝正常
	Uf bool
	// 物理绿灯，true-灯丝正常
	Lf bool
	// 物理红灯，true-灯丝正常
	Hf bool
}
type SignalJDXHSystem struct {
}

func NewSignalJDXHSystem() *SignalJDXHSystem {
	return &SignalJDXHSystem{}
}
func NewSignalJDXHState() *SignalJDXHState {
	return &SignalJDXHState{LXJ: false, YXJ: false, DJ: true, EDJ: false, H: true, U: false, L: false}
}
func NewSignalJDXHFilamentState() *SignalJDXHFilamentState {
	return &SignalJDXHFilamentState{Uf: true, Lf: true, Hf: true}
}

var SignalJDXHStateComponent = ecs.NewComponentType[SignalJDXHState]()
var SignalJDXHFilamentStateComponent = ecs.NewComponentType[SignalJDXHFilamentState]()
var signalJDXHQuery = ecs.NewQuery(filter.Contains(EntityIdentityComponent, SignalJDXHStateComponent))

// Update world 执行
func (me *SignalJDXHSystem) Update(w ecs.World) {
	signalJDXHQuery.Each(w, func(e *ecs.Entry) {
		state := SignalJDXHStateComponent.Get(e)
		filament := SignalJDXHFilamentStateComponent.Get(e)
		//
		me.calculateL(w, state, filament)
		me.calculateU(w, state, filament)
		me.calculateH(w, state, filament)
		me.calculateDJ(w, e, state, filament)
		me.calculate2DJ(w, e, state, filament)
	})
}

// SignalJDXHRelayActionEventProcessor 继电器动作事件处理
var SignalJDXHRelayActionEventProcessor = func(w ecs.World, event sysEvent.RelayActionEvent) {
	//根据event来更新SignalJDXHState中对应继电器的状态
	signalJDXHQuery.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_JDXH {
					state := SignalJDXHStateComponent.Get(e)
					switch relayName {
					case SIGNAL_DJ:
						state.DJ = event.Xh
					case SIGNAL_2DJ:
						state.EDJ = event.Xh
					case SIGNAL_LXJ:
						state.LXJ = event.Xh
					case SIGNAL_YXJ:
						state.YXJ = event.Xh
					default:
						panic(fmt.Sprintf("SignalJDXH的模型[%s]中继电器功能名称[%s]无法识别", signalModel.Id(), relayName))
					}
				} else {
					panic(fmt.Sprintf("SignalJDXH的模型[%s]中继电器组合类型[%s]无法识别", signalModel.Id(), relayGroup))
				}
			}
		} else {
			panic("SignalJDXH的模型未实现接口umi.IRelayCRoler")
		}
	})
}

func (me *SignalJDXHSystem) calculateU(w ecs.World, state *SignalJDXHState, filament *SignalJDXHFilamentState) {
	isU := filament.Uf && !state.LXJ && state.DJ && state.YXJ
	state.U = isU
}

func (me *SignalJDXHSystem) calculateL(w ecs.World, state *SignalJDXHState, filament *SignalJDXHFilamentState) {
	isL := filament.Lf && state.LXJ
	state.L = isL
}

func (me *SignalJDXHSystem) calculateH(w ecs.World, state *SignalJDXHState, filament *SignalJDXHFilamentState) {
	isH := filament.Hf && !state.LXJ
	state.H = isH
}

func (me *SignalJDXHSystem) calculateDJ(w ecs.World, e *ecs.Entry, state *SignalJDXHState, filament *SignalJDXHFilamentState) {
	isDJ := filament.Lf && state.LXJ || filament.Hf && !state.LXJ
	if isDJ != state.DJ {
		if event, ok := createRelayNeedChangeEvent(w, EntityIdentityComponent.Get(e).Id, SIGNAL_JDXH, SIGNAL_DJ, isDJ); ok {
			sysEvent.RelayNeedChangeEventBus.Publish(w, event)
		}
	}
}
func (me *SignalJDXHSystem) calculate2DJ(w ecs.World, e *ecs.Entry, state *SignalJDXHState, filament *SignalJDXHFilamentState) {
	is2DJ := filament.Uf && !state.LXJ && state.DJ && state.YXJ
	if is2DJ != state.EDJ {
		if event, ok := createRelayNeedChangeEvent(w, EntityIdentityComponent.Get(e).Id, SIGNAL_JDXH, SIGNAL_2DJ, is2DJ); ok {
			sysEvent.RelayNeedChangeEventBus.Publish(w, event)
		}
	}
}