package memory

import (
	"fmt"
	"sort"
	"strconv"
	"strings"
	"sync"

	"joylink.club/bj-rtsts-server/ats/verify/protos/graphicData"
	"joylink.club/bj-rtsts-server/ats/verify/protos/state"
	"joylink.club/bj-rtsts-server/dto"
	"joylink.club/ecs"
	"joylink.club/rtsssimulation/repository"
	"joylink.club/rtsssimulation/repository/model/proto"
	"joylink.club/rtsssimulation/simulation"
	"joylink.club/rtsssimulation/system"
)

// 轨旁仿真定义
type VerifySimulation struct {
	//地图id
	MapIds []int32
	// 项目ID
	ProjectId int32
	//仿真id
	SimulationId string
	//仿真内存数据
	Memory *WaysideMemory
	//模型仓库
	Repo *repository.Repository
	//Rtss仿真世界的id
	WorldId int
}

// 轨旁仿真内存模型
type WaysideMemory struct {
	//可变状态数据：轨旁仿真模型状态（全量数据）
	Status *VerifyStatus
	// 要变更的状态：用户操作过的状态记录在这里，增量推送次数据
	ChangeStatus *ChangeVerifyStatus
	//状态保护锁
	rwLock *sync.RWMutex
}

// 轨旁仿真模型状态
type VerifyStatus struct {
	//道岔状态，key为道岔id即索引 state.SwitchState
	SwitchStateMap sync.Map
	//轨道状态，key为轨道id即索引 state.LinkState
	LinkStateMap sync.Map
	//列车状态，key为列车id即索引 state.TrainState
	TrainStateMap sync.Map
	//计轴区段状态，key为计轴区段的id即索引 state.SectionState
	AxleSectionStateMap sync.Map
	//物理区段状态，key为物理区段id即索引 state.SectionState
	PhysicalSectionStateMap sync.Map
	//逻辑区段状态，key为逻辑区段id即索引 state.SectionState
	LogicSectionStateMap sync.Map
	//信号机状态，key为信号机id,即索引 state.SignalState
	SignalStateMap sync.Map
}

// 轨旁仿真模型状态（变更）
type ChangeVerifyStatus struct {
	VerifyStatus
	//删除的列车ID列表
	RemoveTrainId []string
}

func NewWaysideMemory() *WaysideMemory {
	return &WaysideMemory{
		Status:       &VerifyStatus{},
		ChangeStatus: &ChangeVerifyStatus{},
		rwLock:       &sync.RWMutex{},
	}
}

// 创建仿真对象
func CreateSimulation(projectId int32, mapIds []int32) (*VerifySimulation, error) {
	//构建Repository
	sort.Slice(mapIds, func(i, j int) bool {
		return mapIds[i] < mapIds[j]
	})
	var mapIdStrSlice []string
	for _, id := range mapIds {
		mapIdStrSlice = append(mapIdStrSlice, strconv.Itoa(int(id)))
	}
	repoId := strings.Join(mapIdStrSlice, "|")
	repoVersion := "0.1"
	repo := repository.FindRepository(repoId, repoVersion)
	if repo == nil {
		var storages []*graphicData.RtssGraphicStorage
		var rmapIds []int32
		for _, mapId := range mapIds {
			storage := QueryGraphicStorage(mapId)
			if storage == nil {
				continue
			}
			storages = append(storages, storage)
			rmapIds = append(rmapIds, mapId)
		}
		protoRepo := buildProtoRepository(storages, rmapIds)
		newRepo, err := repository.BuildRepository(protoRepo)
		repo = newRepo
		if err != nil {
			return nil, err
		}
	}
	// 目前用本地构建状态
	worldMemory := NewWaysideMemory()
	initWorldDeviceState(worldMemory.Status, repo)
	//创建仿真
	worldId := simulation.CreateSimulation(repo, system.SWITCH_ZDJ9_2)
	verifySimulation := &VerifySimulation{
		MapIds:    mapIds,
		ProjectId: projectId,
		Memory:    worldMemory,
		Repo:      repo,
		WorldId:   worldId,
	}
	return verifySimulation, nil
}

// 获取全量状态
func (s *VerifySimulation) GetAllState(mapId int32) *state.PushedDevicesStatus {
	return &state.PushedDevicesStatus{
		All: true,
		AllStatus: &state.AllDevicesStatus{
			SwitchState: GetMapAllTurnoutState(s, mapId),
			TrainState:  GetAllTrainState(s),
		},
	}
}

// 获取仿真世界信息
func (s *VerifySimulation) GetSimulationWorld() ecs.World {
	ecsSimulation := simulation.FindSimulation(ecs.WorldId(s.WorldId))
	if ecsSimulation == nil {
		panic(&dto.ErrorDto{Code: dto.DataNotExist, Message: "ecs 仿真不存在"})
	}
	return ecsSimulation.GetWorld()
}

func buildProtoRepository(storages []*graphicData.RtssGraphicStorage, mapIds []int32) *proto.Repository {
	repo := &proto.Repository{}
	for i, storage := range storages {
		fillProtoRepository(repo, storage, mapIds[i])
	}
	return repo
}

func fillProtoRepository(repo *proto.Repository, storage *graphicData.RtssGraphicStorage, mapId int32) {
	axleCountingMap := make(map[string]*graphicData.AxleCounting)
	uidsMap := getMapElementIdMap(mapId)
	for _, data := range storage.AxleCountings {
		axleCountingMap[data.Common.Id] = data
		cpType := proto.CheckPointType_AxleCounter
		if data.Type == graphicData.AxleCounting_SectionBoundary {
			cpType = proto.CheckPointType_Boundary
		}
		cp := &proto.CheckPoint{
			Id:          data.Common.Id,
			Km:          convertKm(data.KilometerSystem),
			Type:        cpType,
			DevicePorts: convertDevicePorts(data.AxleCountingRef),
		}
		repo.CheckPoints = append(repo.CheckPoints, converCheckPointUid(cp, uidsMap))
	}
	for _, data := range storage.Section {
		var turnoutIds []string
		if data.SectionType == graphicData.Section_TurnoutPhysical {
			turnoutIds = findTurnoutIds(axleCountingMap, data.AxleCountings)
		}
		physicalSection := &proto.PhysicalSection{
			Id:          data.Common.Id,
			ADevicePort: convertDevicePort(data.PaRef),
			BDevicePort: convertDevicePort(data.PbRef),
			TurnoutIds:  turnoutIds,
		}
		repo.PhysicalSections = append(repo.PhysicalSections, converSectionUid(physicalSection, uidsMap))
	}
	for _, data := range storage.Turnouts {
		var km *proto.Kilometer
		for _, ks := range data.KilometerSystem {
			if ks.Kilometer != 0 {
				km = convertKm(ks)
				break
			}
		}
		repo.KilometerConverts = append(repo.KilometerConverts, buildKmConverts(data.KilometerSystem)...)
		turnout := &proto.Turnout{
			Id:          data.Common.Id,
			Km:          km,
			ADevicePort: convertDevicePort(data.PaRef),
			BDevicePort: convertDevicePort(data.PbRef),
			CDevicePort: convertDevicePort(data.PcRef),
		}
		repo.Turnouts = append(repo.Turnouts, converTurnoutUid(turnout, uidsMap))
	}
	for _, data := range storage.Signals {
		var sectionId string
		var turnoutPort *proto.DevicePort
		switch data.RefDev.DeviceType {
		case graphicData.RelatedRef_Section:
			sectionId = data.RefDev.Id
		case graphicData.RelatedRef_Turnout:
			turnoutPort = convertDevicePort(data.RefDev)
		}
		signal := &proto.Signal{
			Id:          data.Common.Id,
			Km:          convertKm(data.KilometerSystem),
			SectionId:   sectionId,
			TurnoutPort: turnoutPort,
		}
		repo.Signals = append(repo.Signals, converSignalUid(signal, uidsMap))
	}
	for _, data := range storage.Transponders {
		var sectionId string
		var turnoutPort *proto.DevicePort
		switch data.TransponderRef.DeviceType {
		case graphicData.RelatedRef_Section:
			sectionId = data.TransponderRef.Id
		case graphicData.RelatedRef_Turnout:
			turnoutPort = convertDevicePort(data.TransponderRef)
		}
		responder := &proto.Transponder{
			Id:          data.Common.Id,
			Km:          convertKm(data.KilometerSystem),
			SectionId:   sectionId,
			TurnoutPort: turnoutPort,
		}
		repo.Transponders = append(repo.Transponders, converTransponderUid(responder, uidsMap))
	}
	slopeKsMap := make(map[string]*graphicData.SlopeKiloMarker)
	for _, data := range storage.SlopeKiloMarker {
		slopeKsMap[data.Common.Id] = data
		repo.KilometerConverts = append(repo.KilometerConverts, buildKmConverts(data.KilometerSystem)...)
	}
	curveKsMap := make(map[string]*graphicData.CurvatureKiloMarker)
	for _, data := range storage.CurvatureKiloMarker {
		curveKsMap[data.Common.Id] = data
		repo.KilometerConverts = append(repo.KilometerConverts, buildKmConverts(data.KilometerSystem)...)
	}
	for _, data := range storage.Slopes {
		var kms []*proto.Kilometer
		for _, id := range data.RefDeviceId {
			kms = append(kms, convertKm(slopeKsMap[id].KilometerSystem[0]))
		}
		slope := &proto.Slope{
			Id:     data.Common.Id,
			Kms:    kms,
			Degree: data.SlopeNumber,
		}
		repo.Slopes = append(repo.Slopes, converSlopeUid(slope, uidsMap))
	}
	for _, data := range storage.Curvatures {
		var kms []*proto.Kilometer
		for _, id := range data.RefDeviceId {
			kms = append(kms, convertKm(curveKsMap[id].KilometerSystem[0]))
		}
		slope := &proto.SectionalCurvature{
			Id:     data.Common.Id,
			Kms:    kms,
			Radius: data.CurvatureNumber,
		}
		repo.SectionalCurvatures = append(repo.SectionalCurvatures, converCurvatureUid(slope, uidsMap))
	}
}

func converCheckPointUid(data *proto.CheckPoint, uidsMap *GraphicMapElementIdStructure) *proto.CheckPoint {
	data.Id = uidsMap.AxlePointIds[data.Id].Uid
	for _, c := range data.DevicePorts {
		c.DeviceId = converRefUid(c.DeviceId, c.DeviceType, uidsMap)
	}
	return data
}

func converSectionUid(data *proto.PhysicalSection, uidsMap *GraphicMapElementIdStructure) *proto.PhysicalSection {
	data.Id = uidsMap.PhysicalSectionIds[data.Id].Uid
	if data.ADevicePort != nil {
		data.ADevicePort.DeviceId = converRefUid(data.ADevicePort.DeviceId, data.ADevicePort.DeviceType, uidsMap)
	}
	if data.BDevicePort != nil {
		data.BDevicePort.DeviceId = converRefUid(data.BDevicePort.DeviceId, data.BDevicePort.DeviceType, uidsMap)
	}
	tids := make([]string, len(data.TurnoutIds))
	for i, tid := range data.TurnoutIds {
		tids[i] = converRefUid(tid, proto.DeviceType_DeviceType_Turnout, uidsMap)
	}
	data.TurnoutIds = tids
	return data
}

func converTurnoutUid(data *proto.Turnout, uidsMap *GraphicMapElementIdStructure) *proto.Turnout {
	data.Id = uidsMap.TurnoutIds[data.Id].Uid
	if data.ADevicePort != nil {
		data.ADevicePort.DeviceId = converRefUid(data.ADevicePort.DeviceId, data.ADevicePort.DeviceType, uidsMap)
	}
	if data.BDevicePort != nil {
		data.BDevicePort.DeviceId = converRefUid(data.BDevicePort.DeviceId, data.BDevicePort.DeviceType, uidsMap)
	}
	if data.CDevicePort != nil {
		data.CDevicePort.DeviceId = converRefUid(data.CDevicePort.DeviceId, data.CDevicePort.DeviceType, uidsMap)
	}
	return data
}

func converSignalUid(data *proto.Signal, uidsMap *GraphicMapElementIdStructure) *proto.Signal {
	data.Id = uidsMap.SignalIds[data.Id].Uid
	if data.SectionId != "" {
		data.SectionId = converRefUid(data.SectionId, proto.DeviceType_DeviceType_PhysicalSection, uidsMap)
	}
	if data.TurnoutPort != nil {
		data.TurnoutPort.DeviceId = converRefUid(data.TurnoutPort.DeviceId, data.TurnoutPort.DeviceType, uidsMap)
	}
	return data
}

func converTransponderUid(data *proto.Transponder, uidsMap *GraphicMapElementIdStructure) *proto.Transponder {
	data.Id = uidsMap.TransponderIds[data.Id].Uid
	if data.SectionId != "" {
		data.SectionId = converRefUid(data.SectionId, proto.DeviceType_DeviceType_PhysicalSection, uidsMap)
	}
	if data.TurnoutPort != nil {
		data.TurnoutPort.DeviceId = converRefUid(data.TurnoutPort.DeviceId, data.TurnoutPort.DeviceType, uidsMap)
	}
	return data
}

func converSlopeUid(data *proto.Slope, uidsMap *GraphicMapElementIdStructure) *proto.Slope {
	data.Id = uidsMap.SlopeIds[data.Id].Uid
	return data
}

func converCurvatureUid(data *proto.SectionalCurvature, uidsMap *GraphicMapElementIdStructure) *proto.SectionalCurvature {
	data.Id = uidsMap.CurvatureIds[data.Id].Uid
	return data
}

func converRefUid(id string, d proto.DeviceType, uidsMap *GraphicMapElementIdStructure) string {
	var elementId *ElementIdStructure
	switch d {
	case proto.DeviceType_DeviceType_CheckPoint:
		elementId = uidsMap.AxlePointIds[id]
	case proto.DeviceType_DeviceType_PhysicalSection:
		elementId = uidsMap.PhysicalSectionIds[id]
	case proto.DeviceType_DeviceType_SectionalCurvature:
		elementId = uidsMap.CurvatureIds[id]
	case proto.DeviceType_DeviceType_Signal:
		elementId = uidsMap.SignalIds[id]
	case proto.DeviceType_DeviceType_Slope:
		elementId = uidsMap.SlopeIds[id]
	case proto.DeviceType_DeviceType_Transponder:
		elementId = uidsMap.TransponderIds[id]
	case proto.DeviceType_DeviceType_Turnout:
		elementId = uidsMap.TurnoutIds[id]
	default:
		panic(&dto.ErrorDto{Code: dto.ArgumentParseError, Message: "异常的设备类型-" + d.String()})
	}
	return elementId.Uid
}

func convertKm(ks *graphicData.KilometerSystem) *proto.Kilometer {
	var dir proto.Direction
	switch ks.Direction {
	case graphicData.Direction_LEFT:
		dir = proto.Direction_LEFT
	case graphicData.Direction_RIGHT:
		dir = proto.Direction_RIGHT
	}
	return &proto.Kilometer{
		Value:            ks.Kilometer,
		CoordinateSystem: ks.CoordinateSystem,
		Direction:        dir,
	}
}

func convertDevicePort(ref *graphicData.RelatedRef) *proto.DevicePort {
	if ref == nil {
		return nil
	}
	var deviceType proto.DeviceType
	var port proto.Port
	switch ref.DevicePort {
	case graphicData.RelatedRef_A:
		port = proto.Port_A
	case graphicData.RelatedRef_B:
		port = proto.Port_B
	case graphicData.RelatedRef_C:
		port = proto.Port_C
	}
	switch ref.DeviceType {
	case graphicData.RelatedRef_Section:
		deviceType = proto.DeviceType_DeviceType_PhysicalSection
	case graphicData.RelatedRef_Turnout:
		deviceType = proto.DeviceType_DeviceType_Turnout
	default:
		panic(fmt.Sprintf("异常的设备类型-%s", ref.DeviceType))
	}
	return &proto.DevicePort{
		DeviceId:   ref.Id,
		DeviceType: deviceType,
		Port:       port,
	}
}

func convertDevicePorts(refList []*graphicData.RelatedRef) []*proto.DevicePort {
	var dps []*proto.DevicePort
	for _, ref := range refList {
		dps = append(dps, convertDevicePort(ref))
	}
	return dps
}

func findTurnoutIds(axleCountingMap map[string]*graphicData.AxleCounting, axleIds []string) []string {
	if len(axleIds) <= 2 {
		return nil
	}
	turnoutMap := make(map[string]bool)
	for _, axleId := range axleIds {
		axle := axleCountingMap[axleId]
		relTurnoutCount := 0
		var turnoutId string
		for _, ref := range axle.AxleCountingRef {
			if ref.DeviceType == graphicData.RelatedRef_Turnout {
				relTurnoutCount++
				turnoutId = ref.Id
			}
		}
		if relTurnoutCount == 1 {
			turnoutMap[turnoutId] = true
		}
	}
	var turnoutIds []string
	for id := range turnoutMap {
		turnoutIds = append(turnoutIds, id)
	}
	return turnoutIds
}

func buildKmConverts(ksList []*graphicData.KilometerSystem) []*proto.KilometerConvert {
	var kmConverts []*proto.KilometerConvert
	for i, ks := range ksList {
		if ks.Kilometer == 0 {
			continue
		}
		for j := i + 1; j < len(ksList); j++ {
			if ks.Kilometer == 0 {
				continue
			}
			kmConverts = append(kmConverts, buildKmConvert(ks, ksList[j]))
		}
	}
	return kmConverts
}

func buildKmConvert(ks1 *graphicData.KilometerSystem, ks2 *graphicData.KilometerSystem) *proto.KilometerConvert {
	return &proto.KilometerConvert{
		KmA:       convertKm(ks1),
		KmB:       convertKm(ks2),
		SameTrend: false,
	}
}

func initWorldDeviceState(status *VerifyStatus, repo *repository.Repository) {
	initWorldTurnoutState(status, repo)
	initWorldPhysicalSectionState(status, repo)
}

// 初始化道岔状态
func initWorldTurnoutState(status *VerifyStatus, repo *repository.Repository) {
	for _, turnout := range repo.TurnoutList() {
		id := turnout.Identity.Id()
		status.SwitchStateMap.Store(id, &state.SwitchState{Id: id, Normal: true, Reverse: false})
	}
}

// 初始化物理区段状态
func initWorldPhysicalSectionState(status *VerifyStatus, repo *repository.Repository) {
	for _, section := range repo.PhysicalSectionList() {
		id := section.Identity.Id()
		status.PhysicalSectionStateMap.Store(id, &state.SectionState{Id: id, Occupied: false, Type: state.SectionType_Physic})
	}
}