package message_server

import (
	"fmt"
	"log/slog"
	"time"

	"google.golang.org/protobuf/proto"
	"joylink.club/bj-rtsts-server/message_server/ms_api"
	"joylink.club/bj-rtsts-server/ts/protos/graphicData"
	"joylink.club/bj-rtsts-server/ts/protos/state"
	"joylink.club/bj-rtsts-server/ts/simulation/wayside/memory"
	"joylink.club/ecs"
	"joylink.club/rtsssimulation/component"
	"joylink.club/rtsssimulation/entity"
)

// 综合后备盘IBP消息服务
type IbpMs struct {
	vs    *memory.VerifySimulation
	mapId int32
}

func NewIBPMs(vs *memory.VerifySimulation, mapId int32) *IbpMs {
	return &IbpMs{vs: vs, mapId: mapId}
}

func (ms *IbpMs) GetChannel() string {
	return SimulationIbpTopic
	// return "simulation-ibp-%s_%d_%s-status"
}

func (ms *IbpMs) GetInterval() time.Duration {
	return 200 * time.Millisecond
}

func (ms *IbpMs) OnTick() ([]*ms_api.TopicMsg, error) {
	var msgArr []*ms_api.TopicMsg
	mapData := memory.QueryGiData[*graphicData.RtssGraphicStorage](ms.mapId)
	for _, station := range mapData.Stations {
		channel := ms.handlerIBPChannelName(station.Common.Id)
		stationIbpState, err := ms.collectStationIbpState(station)
		if err != nil {
			return nil, err
		}
		b, err := proto.Marshal(stationIbpState)
		if err != nil {
			return nil, fmt.Errorf("IBP设备状态消息服务数据序列化失败: %s", err)
		}
		msgArr = append(msgArr, ms_api.NewTopicMsg(channel, b))
	}
	return msgArr, nil
}

// 当发生错误时执行的逻辑
func (ms *IbpMs) OnError(err error) {
}

func (ms *IbpMs) collectStationIbpState(station *graphicData.Station) (*state.PushedDevicesStatus, error) {
	if station.RefIbpMapCode == "" {
		return nil, nil
	}
	stationUid := memory.QueryUidByMidAndComId(ms.mapId, station.Common.Id, &graphicData.Station{})
	ibpMapId, ibpStorage := memory.GetStorageIBPMapData(station.RefIbpMapCode)
	ibpUidsMap := memory.QueryUidStructure[*memory.IBPUidStructure](ibpMapId)
	buttonStates, err := ms.collectIBPButtonState(stationUid, ibpUidsMap, ibpStorage.IbpButtons)
	if err != nil {
		return nil, err
	}
	alarmStates, err := ms.collectIBPAlarmState(stationUid, ibpUidsMap, ibpStorage.IbpAlarms)
	if err != nil {
		return nil, err
	}
	lightStates, err := ms.collectIBPLightState(stationUid, ibpUidsMap, ibpStorage.IbpLights)
	if err != nil {
		return nil, err
	}
	keyStates, err := ms.collectIBPKeyState(stationUid, ibpUidsMap, ibpStorage.IbpKeys)
	if err != nil {
		return nil, err
	}
	return &state.PushedDevicesStatus{
		All: true,
		AllStatus: &state.AllDevicesStatus{
			ButtonState: buttonStates,
			AlarmState:  alarmStates,
			LightState:  lightStates,
			KeyState:    keyStates,
		},
	}, nil
}

// 收集IBP按钮状态
func (ms *IbpMs) collectIBPButtonState(stationUid string, uidsMap *memory.IBPUidStructure, ibpButtons []*graphicData.IBPButton) ([]*state.ButtonState, error) {
	var states []*state.ButtonState
	for _, data := range ibpButtons { // 按钮
		uid := stationUid + "_" + uidsMap.IbpButtonIds[data.Common.Id].Uid
		entry, ok := entity.GetEntityByUid(ms.vs.World, uid)
		if !ok {
			slog.Warn("ibp按钮实体不存在: World id=%d, uid=%s", ms.vs.World.Id(), uid)
			continue
		}
		if entry.HasComponent(component.ButtonTag) {
			states = append(states, getIBPButtonState(data.Common.Id, entry))
		}
	}
	return states, nil
}

// 获取IBP盘按钮状态
func getIBPButtonState(id string, entry *ecs.Entry) *state.ButtonState {
	status := &state.ButtonState{Id: id}
	bit := component.BitStateType.Get(entry)
	status.Down = bit.Val
	// 如果按钮包含灯
	if entry.HasComponent(component.SingleLightType) {
		lightComponent := component.SingleLightType.Get(entry)
		status.Active = component.BitStateType.Get(lightComponent.Light).Val
	}
	return status
}

// 收集报警器状态
func (ms *IbpMs) collectIBPAlarmState(stationUid string, uidsMap *memory.IBPUidStructure, ibpAlarms []*graphicData.IbpAlarm) ([]*state.AlarmState, error) {
	var states []*state.AlarmState
	for _, data := range ibpAlarms { // 报警器
		uid := stationUid + "_" + uidsMap.IbpAlarmIds[data.Common.Id].Uid
		entry, ok := entity.GetEntityByUid(ms.vs.World, uid)
		if !ok {
			slog.Warn("ibp报警器实体不存在: World id=%d, uid=%s", ms.vs.World.Id(), uid)
			continue
		}
		if entry.HasComponent(component.AlarmTag) {
			states = append(states, &state.AlarmState{Id: data.Common.Id, Active: component.BitStateType.Get(entry).Val})
		}
	}
	return states, nil
}

// 收集灯状态信息
func (ms *IbpMs) collectIBPLightState(stationUid string, uidsMap *memory.IBPUidStructure, ibpLights []*graphicData.IbpLight) ([]*state.LightState, error) {
	var states []*state.LightState
	for _, data := range ibpLights { // 指示灯
		uid := stationUid + "_" + uidsMap.IbpLightIds[data.Common.Id].Uid
		entry, ok := entity.GetEntityByUid(ms.vs.World, uid)
		if !ok {
			slog.Warn("ibp指示灯实体不存在: World id=%d, uid=%s", ms.vs.World.Id(), uid)
			continue
		}
		if entry.HasComponent(component.LightTag) {
			states = append(states, &state.LightState{Id: data.Common.Id, Active: component.BitStateType.Get(entry).Val})
		}
	}
	return states, nil
}

// 收集钥匙状态
func (ms *IbpMs) collectIBPKeyState(stationUid string, uidsMap *memory.IBPUidStructure, ibpKeys []*graphicData.IbpKey) ([]*state.KeyState, error) {
	var states []*state.KeyState
	for _, data := range ibpKeys { // 钥匙
		uid := stationUid + "_" + uidsMap.IbpKeyIds[data.Common.Id].Uid
		entry, ok := entity.GetEntityByUid(ms.vs.World, uid)
		if !ok {
			slog.Warn("ibp钥匙实体不存在: World id=%d, uid=%s", ms.vs.World.Id(), uid)
			continue
		}
		if entry.HasComponent(component.KeyTag) {
			states = append(states, &state.KeyState{Id: data.Common.Id, Gear: component.GearStateType.Get(entry).Val})
		}
	}
	return states, nil
}

// 处理订阅通道名称
func (ms *IbpMs) handlerIBPChannelName(stationId string) string {
	return fmt.Sprintf(SimulationIbpTopic, ms.vs.SimulationId, ms.mapId, stationId)
}