package api

import (
	"fmt"
	"log/slog"
	"net/http"
	"sort"
	"strconv"

	jwt "github.com/appleboy/gin-jwt/v2"
	"github.com/gin-gonic/gin"
	"github.com/golang/protobuf/proto"
	"joylink.club/bj-rtsts-server/ats/verify/protos/graphicData"
	"joylink.club/bj-rtsts-server/ats/verify/protos/state"
	"joylink.club/bj-rtsts-server/ats/verify/simulation"
	"joylink.club/bj-rtsts-server/ats/verify/simulation/wayside/memory"
	"joylink.club/bj-rtsts-server/config"
	"joylink.club/bj-rtsts-server/dto"
	"joylink.club/bj-rtsts-server/dto/request_proto"
	apiproto "joylink.club/bj-rtsts-server/grpcproto"
	"joylink.club/bj-rtsts-server/middleware"
	"joylink.club/bj-rtsts-server/service"
)

func InitSimulationRouter(api *gin.RouterGroup, authMiddleware *jwt.GinJWTMiddleware) {
	authed := api.Group("/v1/simulation").Use(authMiddleware.MiddlewareFunc(), middleware.PermissMiddleware)
	authed.POST("/createByProject", createByProjectId)
	authed.POST("/destroy/:id", destroy)
	authed.GET("/list", findAllSimulations)
	authed.POST("/check/data", checkSimMapData)
	authed.POST("/train/add", addTrain)
	authed.POST("/train/remove", removeTrain)
	authed.POST("/switch/operation", switchOperation)
	authed.GET("/getDataChannelName", getDataChannelName)
	authed.POST("/relay/operation", relayOperation)
	authed.POST("/signal/operation", signalOperation)
	authed.POST("/esbBtn/operation", esbBtnOperation)
	authed.POST("/ibp/operation", ibpBtnOperation)

	// 初始化地图信息
	initPublishMapInfo()
	apiproto.RegisterMsgServer(&apiproto.SimulationServer{})
	apiproto.RegisterMsgServer(&apiproto.SimulationIBPServer{})
	apiproto.RegisterMsgServer(&apiproto.SimulationPSLServer{})
	apiproto.RegisterMsgServer(&apiproto.MemoryChangeServer{SimulationMap: make(map[string]*state.SimulationStatus)})
}

func initPublishMapInfo() {
	mapArr, err := service.ListAllPublishedGi()
	if err != nil {
		panic("地图加载出错")
	}
	sort.SliceStable(mapArr, func(i, j int) bool { return mapArr[i].Type != 0 })
	for _, v := range mapArr {
		memory.PublishMapVerifyStructure(v)
	}
}

// 创建ATS测试仿真通过项目ID
//
//	@Summary		创建ATS测试仿真
//
//	@Security		JwtAuth
//
//	@Description	创建ATS测试仿真通过项目ID
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			SimulationCreateReqDto	body dto.SimulationCreateReqDto	true "创建仿真请求"
//	@Success		200	{object}	dto.SimulationCreateRspDto
//	@Failure		500	{object}	dto.ErrorDto
//	@Router			/api/v1/simulation/createByProject [post]
func createByProjectId(c *gin.Context) {
	req := dto.SimulationCreateReqDto{}
	if err := c.ShouldBind(&req); nil != err {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	mapInfos := service.QueryProjectPublishedGi(req.ProjectId)
	if len(mapInfos) == 0 {
		panic(dto.ErrorDto{Code: dto.DataNotExist, Message: "项目未关联地图"})
	}
	mapIds := make([]int32, len(mapInfos))
	for i, mapInfo := range mapInfos {
		mapIds[i] = mapInfo.ID
	}
	rsp := dto.SimulationCreateRspDto{ProjectId: req.ProjectId, MapId: mapIds[0], MapIds: mapIds}
	rsp.SimulationId = simulation.CreateSimulation(req.ProjectId, mapIds)
	c.JSON(http.StatusOK, &rsp)
}

// ATS仿真销毁
//
//	@Summary		ATS仿真销毁
//
//	@Security		JwtAuth
//
//	@Description	ATS测试仿真-添加列车
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			id 	path 	int 	true 	"仿真id"
//	@Success		200	{object}	string
//	@Failure		500	{object}	dto.ErrorDto
//	@Router			/api/v1/simulation/destroy/{id} [post]
func destroy(c *gin.Context) {
	simId := c.Param("id")
	slog.Debug("ATS测试仿真-ATS仿真销毁 请求:", simId)
	simulation.DestroySimulation(simId)
	c.JSON(http.StatusOK, "ok")
}

// 获取ATS测试系统所有仿真实例的基本信息
//
// @Summary		获取ATS测试系统所有仿真实例的基本信息
//
// @Security	JwtAuth
//
// @Description	获取ATS测试系统所有仿真实例的基本信息
// @Tags		ATS测试仿真Api
// @Accept		json
// @Produce		json
// @Param 		Authorization 	header 	string 	true 	"JWT Token"
// @Success		200	{object}	dto.SimulationInfoRspDtoArr
// @Failure		500	{object}	dto.ErrorDto
// @Router		/api/v1/simulation/list [get]
func findAllSimulations(c *gin.Context) {
	c.JSON(http.StatusOK, simulation.ListAllSimulations())
}

// ATS测试仿真地图数据校验
//
//	@Summary		ATS测试仿真地图数据校验
//
//	@Security		JwtAuth
//
//	@Description	地图数据校验
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			RemoveTrainDto	body dto.CheckMapDataReqDto	true "ATS测试仿真-地图数据"
//
// @Success		200	{object}	dto.CheckMapDataRspDto
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/check/data [post]
func checkSimMapData(c *gin.Context) {
	rt := &dto.CheckMapDataReqDto{}
	if err := c.ShouldBind(&rt); nil != err {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	err := proto.Unmarshal(rt.Data, &graphicData.RtssGraphicStorage{})
	if err != nil {
		c.JSON(http.StatusInternalServerError, "参数错误")
		return
	}
	c.JSON(http.StatusOK, &dto.CheckMapDataRspDto{Success: true})
}

// ATS测试仿真-添加列车
//
//	@Summary		ATS测试仿真-添加列车
//
//	@Security		JwtAuth
//
//	@Description	ATS测试仿真-添加列车
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			AddTrainReqDto	body dto.AddTrainReqDto	true "ATS测试仿真-添加列车"
//	@Success		200	{object}	dto.AddTrainRspDto
//	@Failure		500	{object}	dto.ErrorDto
//	@Router			/api/v1/simulation/train/add [post]
func addTrain(c *gin.Context) {
	req := dto.AddTrainReqDto{}
	if err := c.ShouldBind(&req); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	simulation := checkDeviceDataAndReturn(req.SimulationId)
	id := getAddTrainPrimaryKey(simulation)
	if id == -1 {
		c.JSON(http.StatusBadRequest, "已存在在线列车")
		return
	}
	rsp := &state.TrainState{
		Id:           strconv.Itoa(id),
		HeadDeviceId: req.Id,
		HeadOffset:   req.HeadOffset,
		DevicePort:   req.DevicePort,
		RunDirection: req.RunDirection,
		TrainLength:  req.TrainLength,
	}
	memory.AddTrainState(simulation, rsp, req.MapId)
	c.JSON(http.StatusOK, &rsp)
}

// ATS测试仿真-移除列车
//
//	@Summary		ATS测试仿真-移除列车
//
//	@Security		JwtAuth
//
//	@Description	ATS测试仿真-移除列车
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			RemoveTrainDto	body dto.RemoveTrainDto	true "ATS测试仿真-移除列车"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/train/remove [post]
func removeTrain(c *gin.Context) {
	rt := &dto.RemoveTrainDto{}
	if err := c.ShouldBind(&rt); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	slog.Debug("ATS测试仿真-移除列车,请求：", rt)
	simulation := checkDeviceDataAndReturn(rt.SimulationId)
	memory.RemoveTrainState(simulation, rt.TrainId)
	//TODO 后续调用列车删除操作
	c.JSON(http.StatusOK, "ok")
}

// 获取ATS测试-操作道岔
//
//	@Summary		获取ATS测试-操作道岔
//
//	@Security		JwtAuth
//
//	@Description	ATS测试-操作道岔
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			TurnoutOperationReq	body request_proto.TurnoutOperationReq	true "ATS测试仿真-操作道岔"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/switch/operation [post]
func switchOperation(c *gin.Context) {
	req := &request_proto.TurnoutOperationReq{}
	if err := c.ShouldBind(&req); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	simulation := checkDeviceDataAndReturn(req.SimulationId)
	slog.Info("传入状态参数", req)
	memory.HandleTurnoutOperation(simulation, req)
	c.JSON(http.StatusOK, "ok")
}

// ATS测试-信号机操作
//
//	@Summary		ATS测试-信号机操作
//
//	@Security		JwtAuth
//
//	@Description	ATS测试-信号机操作
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			SignalOperationReqDto	body dto.SignalOperationReqDto	true "ATS测试仿真-操作信号机"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/signal/operation [post]
func signalOperation(c *gin.Context) {
	req := &dto.SignalOperationReqDto{}
	if err := c.ShouldBind(&req); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	simulation := checkDeviceDataAndReturn(req.SimulationId)
	slog.Info("传入状态参数", req)
	memory.ChangeSignalState(simulation, req.MapId, req.DeviceId, req.Aspect)
	c.JSON(http.StatusOK, "ok")
}

// ATS测试-ESB按钮操作
//
//	@Summary		ATS测试-ESB按钮操作
//
//	@Security		JwtAuth
//
//	@Description	ATS测试-ESB按钮操作
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			ButtonOperationReqDto	body dto.ButtonOperationReqDto	true "ATS测试仿真-ESB按钮操作"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/esbBtn/operation [post]
func esbBtnOperation(c *gin.Context) {
	req := &dto.ButtonOperationReqDto{}
	if err := c.ShouldBind(&req); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	simulation := checkDeviceDataAndReturn(req.SimulationId)
	slog.Info("传入状态参数", req)
	memory.ChangeEsbButtonState(simulation, req.MapId, req.Id, req.Down)
	c.JSON(http.StatusOK, "ok")
}

// ATS测试-IBP按钮操作
//
//	@Summary		ATS测试-IBP按钮操作
//
//	@Security		JwtAuth
//
//	@Description	ATS测试-IBP按钮操作
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			ButtonOperationReqDto	body dto.ButtonOperationReqDto	true "ATS测试仿真-IBP按钮操作"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/ibp/operation [post]
func ibpBtnOperation(c *gin.Context) {
	req := &dto.ButtonOperationReqDto{}
	if err := c.ShouldBind(&req); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	simulation := checkDeviceDataAndReturn(req.SimulationId)
	slog.Info("传入状态参数", req)
	memory.ChangeIBPButtonState(simulation, req.MapId, req.StationId, req.Id, req.Down)
	c.JSON(http.StatusOK, "ok")
}

// 获取仿真信息更新通道名称
//
//	@Summary		获取仿真信息更新通道名称
//
//	@Security		JwtAuth
//
//	@Description	获取仿真信息更新通道名称
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/getDataChannelName [get]
func getDataChannelName(c *gin.Context) {
	c.JSON(http.StatusOK, config.SimulationId_prefix+apiproto.MemoryChangeServerSuffix)
}

// 获取ATS测试-操作继电器
//
//	@Summary		获取ATS测试-操作继电器
//
//	@Security		JwtAuth
//
//	@Description	ATS测试-操作继电器
//	@Tags			ATS测试仿真Api
//	@Accept			json
//	@Produce		json
//	@Param 			Authorization 	header 	string 	true 	"JWT Token"
//	@Param			RelayOperationReqDto	body dto.RelayOperationReqDto	true "ATS测试仿真-操作继电器"
//
// @Success		200	{object}	string
// @Failure		500	{object}	dto.ErrorDto
// @Router			/api/v1/simulation/relay/operation [post]
func relayOperation(c *gin.Context) {
	req := &dto.RelayOperationReqDto{}
	if err := c.ShouldBind(&req); err != nil {
		panic(dto.ErrorDto{Code: dto.ArgumentParseError, Message: err.Error()})
	}
	simulation := checkDeviceDataAndReturn(req.SimulationId)
	slog.Info("传入状态参数", req)
	memory.ChangeRelayState(simulation, req.MapId, req.Id, req.Td)
	c.JSON(http.StatusOK, "ok")
}

// 获取仿真设备数据并返回
func checkDeviceDataAndReturn(simId string) *memory.VerifySimulation {
	deviceMemory := simulation.FindSimulation(simId)
	if deviceMemory == nil {
		panic(&dto.ErrorDto{Code: dto.DataNotExist, Message: fmt.Sprintf("仿真[%s]不存在", simId)})
	}
	return deviceMemory
}

// 获取列车主键
func getAddTrainPrimaryKey(simulation *memory.VerifySimulation) int {
	trainMap := &simulation.Memory.Status.TrainStateMap
	// 获取列车ID
	i := 1
	for {
		_, ok := trainMap.Load(strconv.Itoa(i))
		if !ok {
			break
		}
		i++
	}
	return i
}