package fi

import (
	"fmt"
	"joylink.club/ecs"
	"joylink.club/rtsssimulation/component"
	"joylink.club/rtsssimulation/entity"
	"strings"
)

// AxleSectionDrstDrive 计轴直接复位操作
//
// set : true-设置，false-取消
func AxleSectionDrstDrive(w ecs.World, sectionId string, set bool) error {
	r := <-ecs.Request[ecs.EmptyType](w, func() ecs.Result[ecs.EmptyType] {
		wd := entity.GetWorldData(w)
		//
		sectionModel := wd.Repo.FindPhysicalSection(sectionId)
		if sectionModel == nil {
			return ecs.NewErrResult(fmt.Errorf("区段模型[%s]不存实体", sectionId))
		}
		if set {
			axleSectionEntry := wd.EntityMap[sectionId]
			if !axleSectionEntry.HasComponent(component.AxleSectionFaultTag) {
				return ecs.NewErrResult(fmt.Errorf("区段[%s]非故障占用，无法进行复位操作", sectionId))
			}
		}
		//
		faDcAxleDeviceEntry := entity.FindAxleManageDevice(wd, sectionModel.CentralizedStation())

		if faDcAxleDeviceEntry == nil {
			return ecs.NewErrResult(fmt.Errorf("计轴管理设备[%s]实体不存在", sectionModel.CentralizedStation()))
		}
		faDcAxleDevice := component.AxleManageDeviceType.Get(faDcAxleDeviceEntry)
		axleRuntime := faDcAxleDevice.FindAdr(sectionId)
		if axleRuntime == nil {
			return ecs.NewErrResult(fmt.Errorf("计轴管理设备[%s]中不存在区段[%s]的计轴设备", sectionModel.CentralizedStation(), sectionId))
		}
		axleRuntime.Drst = set
		//
		return ecs.NewOkEmptyResult()
	})
	return r.Err
}

// AxleSectionPdrstDrive 计轴预复位操作
//
// set : true-设置，false-取消
func AxleSectionPdrstDrive(w ecs.World, sectionId string, set bool) error {
	r := <-ecs.Request[ecs.EmptyType](w, func() ecs.Result[ecs.EmptyType] {
		wd := entity.GetWorldData(w)
		sectionModel := wd.Repo.FindPhysicalSection(sectionId)
		if sectionModel == nil {
			return ecs.NewErrResult(fmt.Errorf("区段模型[%s]不存实体", sectionId))
		}
		if set {
			axleSectionEntry := wd.EntityMap[sectionId]
			if !axleSectionEntry.HasComponent(component.AxleSectionFaultTag) {
				return ecs.NewErrResult(fmt.Errorf("区段[%s]非故障占用，无法进行复位操作", sectionId))
			}
		}
		//
		faDcAxleDeviceEntry := entity.FindAxleManageDevice(wd, sectionModel.CentralizedStation())

		if faDcAxleDeviceEntry == nil {
			return ecs.NewErrResult(fmt.Errorf("计轴管理设备[%s]实体不存在", sectionModel.CentralizedStation()))
		}
		faDcAxleDevice := component.AxleManageDeviceType.Get(faDcAxleDeviceEntry)
		axleRuntime, ok := faDcAxleDevice.Adrs[sectionId]
		if !ok {
			return ecs.NewErrResult(fmt.Errorf("计轴管理设备[%s]中不存在区段[%s]的计轴设备", sectionModel.CentralizedStation(), sectionId))
		}
		axleRuntime.Pdrst = set
		//
		return ecs.NewOkEmptyResult()
	})
	return r.Err
}

// AxleSectionFaultOccDrive 区段故障占用设置
//
// set : true - 设置故障占用；false - 取消故障占用
func AxleSectionFaultOccDrive(w ecs.World, sectionId string, set bool) error {
	r := <-ecs.Request[ecs.EmptyType](w, func() ecs.Result[ecs.EmptyType] {
		wd := entity.GetWorldData(w)
		sectionModel := wd.Repo.FindPhysicalSection(sectionId)
		if sectionModel == nil {
			return ecs.NewErrResult(fmt.Errorf("区段模型[%s]不存实体", sectionId))
		}
		//
		sectionEntry := wd.EntityMap[sectionId]
		if sectionEntry == nil {
			return ecs.NewErrResult(fmt.Errorf("区段[%s]实体不存在", sectionId))
		}
		if set { //计轴故障设置
			if !sectionEntry.HasComponent(component.AxleSectionFaultTag) {
				sectionEntry.AddComponent(component.AxleSectionFaultTag)
			}
		} else { //计轴故障取消
			if sectionEntry.HasComponent(component.AxleSectionFaultTag) {
				sectionEntry.RemoveComponent(component.AxleSectionFaultTag)
			}
		}
		//
		return ecs.NewOkEmptyResult()
	})
	return r.Err
}

// AxleSectionTrainDrive 计轴区段内车进入出清设置
//
// trainIn : true - 计轴区段内有车；false-计轴区段出清
func AxleSectionTrainDrive(w ecs.World, sectionId string, trainIn bool) error {
	r := <-ecs.Request[ecs.EmptyType](w, func() ecs.Result[ecs.EmptyType] {
		wd := entity.GetWorldData(w)
		sectionModel := wd.Repo.FindPhysicalSection(sectionId)
		if sectionModel == nil {
			return ecs.NewErrResult(fmt.Errorf("区段模型[%s]不存实体", sectionId))
		}
		//
		sectionEntry := wd.EntityMap[sectionId]
		if sectionEntry == nil {
			return ecs.NewErrResult(fmt.Errorf("区段[%s]实体不存在", sectionId))
		}
		axleDevice := component.AxlePhysicalSectionType.Get(sectionEntry)
		if trainIn {
			axleDevice.UpdateCount(1)
		} else {
			axleDevice.UpdateCount(0)
		}
		//
		return ecs.NewOkEmptyResult()
	})
	return r.Err
}

// FindAxleSectionsStatus 获取计轴区段的相关状态
func FindAxleSectionsStatus(w ecs.World, sectionIds []string) ([]*AxleSectionState, error) {
	r := <-ecs.Request[[]*AxleSectionState](w, func() ecs.Result[[]*AxleSectionState] {
		wd := entity.GetWorldData(w)
		var msg []*AxleSectionState
		var esb = strings.Builder{} //收集未找到的区段的id
		for _, sectionId := range sectionIds {
			find := false
			sectionModel := wd.Repo.FindPhysicalSection(sectionId)
			if sectionModel != nil {
				faDcAxleDeviceEntry := entity.FindAxleManageDevice(wd, sectionModel.CentralizedStation())
				if faDcAxleDeviceEntry != nil {
					faDcAxleDevice := component.AxleManageDeviceType.Get(faDcAxleDeviceEntry)
					axleDevice := faDcAxleDevice.FindAdr(sectionId)
					if axleDevice != nil {
						sectionEntry, _ := entity.GetEntityByUid(w, sectionId)
						if sectionEntry != nil {
							if sectionEntry.HasComponent(component.AxlePhysicalSectionType) { //计轴物理区段实体
								as := &AxleSectionState{}
								state := component.PhysicalSectionStateType.Get(sectionEntry)
								as.Id = component.UidType.Get(sectionEntry).Id
								as.Clr = !state.Occ
								as.Occ = state.Occ
								as.Rac = axleDevice.Rac
								as.Rjt = axleDevice.Rjt
								as.Rjo = axleDevice.Rjo
								//
								msg = append(msg, as)
								find = true
							}
						}
					}
				}
			}
			//
			if !find {
				esb.WriteString(fmt.Sprintf("%s,", sectionId))
			}
		} //for
		if esb.Len() > 0 {
			return ecs.NewResult(msg, fmt.Errorf("区段非计轴区段或计轴区段状态不存在：[%s]", esb.String()))
		} else {
			return ecs.NewResult(msg, nil)
		}
	})
	return r.Val, r.Err
}

type AxleSectionState struct {
	//uid
	Id string
	//0-bit7 计轴出清
	Clr bool
	//0-bit6 计轴占用
	Occ bool
	//1-bit6 计轴复位反馈
	Rac bool
	//1-bit5 运营原因拒绝计轴复位
	Rjo bool
	//1-bit4 技术原因拒绝计轴复位
	Rjt bool
}

// AxleSectionRstDrive 复位(直接复位、预复位)
func AxleSectionRstDrive(w ecs.World, cmds []*AxleSectionCmd) error {
	r := <-ecs.Request[ecs.EmptyType](w, func() ecs.Result[ecs.EmptyType] {
		wd := entity.GetWorldData(w)
		var esb = strings.Builder{} //收集未找到的区段的id
		find := false
		for _, cmd := range cmds {
			sectionId := cmd.SectionId
			sectionModel := wd.Repo.FindPhysicalSection(sectionId)
			if sectionModel != nil {
				faDcAxleDeviceEntry := entity.FindAxleManageDevice(wd, sectionModel.CentralizedStation())
				if faDcAxleDeviceEntry != nil {
					faDcAxleDevice := component.AxleManageDeviceType.Get(faDcAxleDeviceEntry)
					axleRuntime := faDcAxleDevice.FindAdr(sectionId)
					if axleRuntime != nil {
						axleRuntime.Pdrst = cmd.Pdrst
						axleRuntime.Drst = cmd.Drst
						find = true
					}
				}
			}
			if !find {
				esb.WriteString(fmt.Sprintf("%s,", sectionId))
			}
		} //for
		if esb.Len() > 0 {
			return ecs.NewErrResult(fmt.Errorf("计轴区段复位操作，失败列表[%s]", esb.String()))
		} else {
			return ecs.NewOkEmptyResult()
		}
	})
	return r.Err
}

type AxleSectionCmd struct {
	SectionId string
	Drst      bool
	Pdrst     bool
}