package service

import (
	"encoding/json"
	"errors"
	"fmt"
	"github.com/gogf/gf/container/gmap"
	"github.com/gogf/gf/encoding/gjson"
	"sparrow/pkg/rpcs"
	"sparrow/pkg/server"
	service2 "sparrow/services/scene-service/internal/service/manager"
)

type SceneInfo struct {
	Id        string `json:"id"`
	Name      string `json:"name"`
	Status    int    `json:"status"`
	SceneType string `json:"scene_type"`
	Config    string `json:"config"`
	Action    string `json:"action"`
	Time      string `json:"time"`
}

type SceneService struct {
	scenes       *gmap.HashMap // 场景ID到场景实例的映射
	timer        TaskManager
	weather      TaskManager
	deviceStatus TaskManager
}

func NewSceneService() *SceneService {
	return &SceneService{
		scenes:       gmap.New(true),
		timer:        service2.NewTimerSceneService(),
		weather:      service2.NewWeatherSceneService(),
		deviceStatus: service2.NewDeviceSceneService(),
	}
}

type TaskManager interface {
	Add(config string) error
	Update(config string) error
	Remove(config string) error
	Start(config string) error
	Stop(config string) error
}

// getServiceByType 根据场景类型获取对应的服务实例
func (m *SceneService) getServiceByType(sceneType string) (TaskManager, error) {
	switch sceneType {
	case "oneKey":
		return nil, nil
	case "timer":
		return m.timer, nil
	case "weather":
		return m.weather, nil
	case "deviceStatus":
		return m.deviceStatus, nil
	default:
		return nil, errors.New("不支持的场景类型: " + sceneType)
	}
}

func (m *SceneService) SubmitAction(args rpcs.ArgsSubmitSceneAction, reply *rpcs.ReplySubmitSceneAction) error {
	scene := SceneInfo{
		Id:        args.Id,
		Name:      args.Name,
		Status:    args.Status,
		SceneType: args.SceneType,
		Config:    args.Config,
		Action:    args.Action,
	}
	srv, err := m.getServiceByType(scene.SceneType)
	if err != nil {
		server.Log.Errorf("不支持的场景类型: %s, 场景ID: %s", scene.SceneType, scene.Id)
		return err
	}

	switch scene.Action {
	case "add":
		err = srv.Add(scene.Config)
		if err != nil {
			return err
		}
		m.scenes.Set(scene.Id, scene)
		return m.saveSceneRedis(scene)
	case "remove":
		err = srv.Remove(scene.Config)
		if err != nil {
			server.Log.Errorf("delete scene-manager error: Id: %s, error: %v", scene.Id, err)
		}
		m.scenes.Remove(scene.Id)
		return m.delSceneRedis(scene)
	case "update":
		err = srv.Update(scene.Config)
		if err != nil {
			server.Log.Errorf("update scene-manager error: Id: %s, error: %v", scene.Id, err)
			return err
		}
		m.scenes.Set(scene.Id, scene)
		return m.saveSceneRedis(scene)
	case "start":
		err = srv.Start(scene.Config)
		if err != nil {
			server.Log.Errorf("start scene-manager error: Id: %s, error: %v", scene.Id, err)
			return err
		}
		scene.Status = 1
		m.scenes.Set(scene.Id, scene)
		return m.saveSceneRedis(scene)
	case "stop":
		err = srv.Stop(scene.Config)
		if err != nil {
			server.Log.Errorf("stop scene-manager error: Id: %s, error: %v", scene.Id, err)
			return err
		}
		scene.Status = 0
		m.scenes.Set(scene.Id, scene)
		return m.saveSceneRedis(scene)
	case "do":
		err = m.doAction(gjson.New(scene.Action).MustToJsonString())
	}
	return nil
}

func (m *SceneService) doAction(action string) error {
	var actions []*Action
	err := json.Unmarshal([]byte(action), &actions)
	if err != nil {
		server.Log.Errorf("unmarshal actions error :%v", err)
		return err
	}
	return NewTaskExecutor(actions).Do()
}

func (m *SceneService) saveSceneRedis(scene SceneInfo) error {
	sceneArgs := rpcs.ArgsScene{
		Key:     fmt.Sprintf("scene-manager:%s:%s", scene.SceneType, scene.Id),
		SceneId: scene.Id,
		Config:  scene.Config,
	}
	sceneReply := rpcs.ReplyGetDeviceOnlineStatus{}
	err := server.RPCCallByName(nil, rpcs.DeviceManagerName, "DeviceManager.SaveScene", sceneArgs, &sceneReply)
	if err != nil {
		server.Log.Errorf("save scene-manager error: Id: %s, error: %v", scene.Id, err)
	}
	return err
}

func (m *SceneService) delSceneRedis(scene SceneInfo) error {
	sceneArgs := rpcs.ArgsScene{
		Key:    fmt.Sprintf("scene-manager:%s:%s", scene.SceneType, scene.Id),
		Config: scene.Config,
	}
	sceneReply := rpcs.ReplyGetDeviceOnlineStatus{}
	err := server.RPCCallByName(nil, rpcs.DeviceManagerName, "DeviceManager.DeleteScene", sceneArgs, &sceneReply)
	if err != nil {
		server.Log.Errorf("save scene-manager error: Id: %s, error: %v", scene.Id, err)
	}
	return err
}