package business

import (
	"Dynamic_environmental_detection/connect"
	"Dynamic_environmental_detection/logger"
	"encoding/json"
	"fmt"
	"strconv"
)

// ReportManager 数据上报管理器
type ReportManager struct {
	hostUUID      string
	faultDetector *FaultDetector
	sensorConfigs []SensorConfig
}

// NewReportManager 创建数据上报管理器
func NewReportManager(hostUUID string, sensorConfigs []SensorConfig) *ReportManager {
	return &ReportManager{
		hostUUID:      hostUUID,
		faultDetector: NewFaultDetector(hostUUID),
		sensorConfigs: sensorConfigs,
	}
}

// ReportMetricData 上报指标数据
func (rm *ReportManager) ReportMetricData(processedData []*ProcessedSensorData, sensorConfigs []SensorConfig) error {
	if len(processedData) == 0 {
		logger.Logger.Printf("There is no valid data to report")
		return nil
	}

	// 构建设备数据数组
	var deviceDataList []DeviceData

	for _, data := range processedData {
		deviceData, err := rm.convertToDeviceData(data, sensorConfigs)
		if err != nil {
			logger.Logger.Printf("Failed to convert device data (Device: %s): %v", data.DeviceUUID, err)
			continue
		}
		deviceDataList = append(deviceDataList, deviceData)
	}

	// 构建数据上报的metric内容
	metricData := map[string]interface{}{
		"type": "data",
		"args": deviceDataList,
	}

	// 外层route_key（用于WebSocket路由）
	outerRouteKey := fmt.Sprintf("/dthjjc/device/%s/data", rm.hostUUID)

	// 记录要发送的详细内容
	messageJSON, err := json.Marshal(map[string]interface{}{
		"method": "metric_data",
		"params": map[string]interface{}{
			"route_key": outerRouteKey,
			"metric":    metricData,
		},
	})
	if err != nil {
		logger.Logger.Printf("Failed to serialize and report data: %v", err)
	} else {
		logger.Logger.Printf("Sending WebSocket message: %s", string(messageJSON))
	}

	logger.Logger.Printf("Prepare to submit indicator data and equipment count: %d", len(deviceDataList))

	// 上报数据
	if err := connect.ReportMetricData(outerRouteKey, metricData); err != nil {
		return fmt.Errorf("Failed to report indicator data: %v", err)
	}

	// 记录每个设备的上报状态
	for _, data := range processedData {
		switch data.SensorType {
		case SensorTypeTemperatureHumidity:
			if len(data.Values) >= 2 {
				logger.Logger.Printf("Indicator snapshot has been submitted. (DeviceUUID=%s, Temp=%.1f°C, Humidity=%.1f%%)",
					data.DeviceUUID, data.Values[0], data.Values[1])
			}
		case SensorTypeWaterLeak:
			statusText := "online"
			if data.Status == 1 {
				statusText = "alarm"
			}
			logger.Logger.Printf("Indicator snapshot has been submitted. (DeviceUUID=%s, Water Immersion Sensor Status: %s)",
				data.DeviceUUID, statusText)
		case SensorTypeSmoke:
			statusText := "online"
			if data.Status == 1 {
				statusText = "alarm"
			}
			logger.Logger.Printf("Indicator snapshot has been submitted. (DeviceUUID=%s, Smoke Sensor Status: %s)",
				data.DeviceUUID, statusText)
		}
	}

	logger.Logger.Printf("Asynchronous reporting successful")
	return nil
}

// ReportEventData 上报事件数据
func (rm *ReportManager) ReportEventData(event *EventData) error {
	// 新协议：我们不再单个发，而是偷偷攒进一个全局批量队列，统一用新格式发
	// 但为了不影响其他调用处，我们保留这个函数，只是内部实现变了

	// 特殊处理：如果 event.Level == "system_start"，直接忽略（取消这个事件）
	if event.Level == "system_start" {
		return nil
	}

	// 转换为新批量格式（复用 EventData 的字段）
	item := map[string]interface{}{
		"description": event.Description,
		"timestamp":   event.Timestamp,
		"host_uuid":   event.HostUUID,
		"level":       event.Level,
	}

	if event.DeviceUUID != "" {
		item["device_uuid"] = event.DeviceUUID // 修复字段名

		// 从全局 sensorConfigs 里找对应的 name（你本来就传进来了！）
		for _, cfg := range rm.sensorConfigs { // ← 这里我们马上加一个字段
			if cfg.DeviceUUID == event.DeviceUUID {
				item["name"] = cfg.Name
				break
			}
		}
	}
	if event.LastSuccessfulTime != "" {
		item["last_successful_time"] = event.LastSuccessfulTime
	}
	if event.SensorType != "" {
		item["sensor_type"] = event.SensorType
	}
	if event.Recommendation != "" {
		item["recommendation"] = event.Recommendation
	}

	// 关键：复用原来的 metric_data 通道发送，但 args 是数组
	var events []map[string]interface{}
	events = append(events, item)

	metric := map[string]interface{}{
		"type": "event",
		"args": events, // 关键：这里是数组，哪怕只有1条
	}

	routeKey := fmt.Sprintf("/dthjjc/device/%s/event", rm.hostUUID)

	messageJSON, _ := json.Marshal(map[string]interface{}{
		"method": "metric_data",
		"params": map[string]interface{}{
			"route_key": routeKey,
			"metric":    metric,
		},
	})
	logger.Logger.Printf("Sending WebSocket message: %s", string(messageJSON))

	return connect.ReportMetricData(routeKey, metric)
}

// convertToDeviceData 转换处理后的数据为上报格式
func (rm *ReportManager) convertToDeviceData(data *ProcessedSensorData, sensorConfigs []SensorConfig) (DeviceData, error) {
	// 查找设备配置
	var sensorConfig SensorConfig
	found := false
	for _, config := range sensorConfigs {
		if config.DeviceUUID == data.DeviceUUID {
			sensorConfig = config
			found = true
			break
		}
	}

	if !found {
		return DeviceData{}, fmt.Errorf("No device configuration found: %s", data.DeviceUUID)
	}

	deviceData := DeviceData{
		DeviceUUID: data.DeviceUUID,
		Type:       strconv.Itoa(int(data.SensorType)),
		Facility:   sensorConfig.Facility,
		Address:    sensorConfig.Address,
		Name:       sensorConfig.Name,
		HostUUID:   sensorConfig.HostUUID,
	}

	// 根据传感器类型设置value字段
	switch data.SensorType {
	case SensorTypeTemperatureHumidity:
		if len(data.Values) >= 2 {
			valueMap := map[string]string{
				"temp":     fmt.Sprintf("%.1f", data.Values[0]),
				"humidity": fmt.Sprintf("%.1f", data.Values[1]),
			}
			deviceData.Value = valueMap // 直接赋值对象，不是数组
		} else {
			return DeviceData{}, fmt.Errorf("Temperature and humidity data is incomplete.: %v", data.Values)
		}

	case SensorTypeWaterLeak, SensorTypeSmoke:
		deviceData.Value = strconv.Itoa(data.Status)

	default:
		return DeviceData{}, fmt.Errorf("Unknown sensor type: %d", data.SensorType)
	}

	logger.Logger.Printf("DEBUG: Conversion of equipment data successful - Device: %s, Va1lue: %+v", data.DeviceUUID, deviceData.Value)
	return deviceData, nil
}

// UpdateAndReportDeviceStatus 更新设备状态并上报事件
func (rm *ReportManager) UpdateAndReportDeviceStatus(deviceUUID string, success bool, errMsg string, sensorType SensorType) {
	needReport, event := rm.faultDetector.UpdateDeviceStatus(deviceUUID, success, errMsg, sensorType)
	if needReport && event != nil {
		// 异步上报事件
		go func() {
			if err := rm.ReportEventData(event); err != nil {
				logger.Logger.Printf("Event reporting failed: %v", err)
			} else {
				logger.Logger.Printf("Asynchronous reporting successful")
			}
		}()
	}
}

// GetFaultDetector 获取故障检测器
func (rm *ReportManager) GetFaultDetector() *FaultDetector {
	return rm.faultDetector
}