package message_server

import (
	"fmt"
	"time"

	"joylink.club/bj-rtsts-server/dto/state_proto"

	"joylink.club/bj-rtsts-server/message_server/ms_api"
	"joylink.club/bj-rtsts-server/mqtt"
	"joylink.club/bj-rtsts-server/ts/simulation/wayside/memory"
	"joylink.club/ecs"
)

func NewStateMs(vs *memory.VerifySimulation) ms_api.MsgTask {
	return ms_api.NewScheduleTask(fmt.Sprintf("仿真[%s]状态", vs.SimulationId), func() error {
		s := &state_proto.SimulationStatus{
			SimulationId: vs.SimulationId,
			State:        convertWorldState(vs.World.State()),
		}
		mqtt.GetMsgClient().PubSimulationState(vs.SimulationId, s)
		return nil
	}, 1000*time.Millisecond)
	// return ms_api.NewMonitorTask(fmt.Sprintf("仿真[%s]状态", vs.SimulationId), func() {
	// 	ecs.WorldStateChangeEvent.Subscribe(vs.World, func(_ ecs.World, e ecs.WorldStateChange) {
	// 		s := &state_proto.SimulationStatus{SimulationId: vs.SimulationId}
	// 		switch e.NewState {
	// 		case ecs.WorldClosed:
	// 			s.State = state_proto.SimulationStatus_DESTROY
	// 		case ecs.WorldError:
	// 			s.State = state_proto.SimulationStatus_ERROR
	// 		case ecs.WorldPause:
	// 			s.State = state_proto.SimulationStatus_PAUSE
	// 		default:
	// 			return
	// 		}
	// 		mqtt.GetMsgClient().PubSimulationState(vs.SimulationId, s)
	// 	})
	// })
}

func convertWorldState(state ecs.WorldState) state_proto.SimulationStatus_SimulationState {
	switch state {
	case ecs.WorldInit:
		return state_proto.SimulationStatus_Init
	case ecs.WorldRunning:
		return state_proto.SimulationStatus_Running
	case ecs.WorldPause:
		return state_proto.SimulationStatus_Pause
	case ecs.WorldError:
		return state_proto.SimulationStatus_Error
	case ecs.WorldClosed:
		return state_proto.SimulationStatus_Destroy
	default:
		panic("unknown world state")
	}
}

// 发布仿真销毁消息
func PubSimulationDestroyMsg(simulationId string) {
	s := &state_proto.SimulationStatus{
		SimulationId: simulationId,
		State:        state_proto.SimulationStatus_Destroy,
	}
	mqtt.GetMsgClient().PubSimulationState(simulationId, s)
}