package business

import (
	"encoding/json"
	"fmt"
	"os"
)

// SensorConfig 传感器配置
type SensorConfig struct {
	HostUUID   string `json:"host_uuid"`
	DeviceUUID string `json:"device_uuid"`
	TaskID     string `json:"task_id"`
	Address    string `json:"address"`
	Type       int    `json:"type"` // 改为int类型
	Facility   string `json:"facility"`
	SlaveID    int    `json:"slave_id"`
	Name       string `json:"name"`
}

// GetSensorType 获取传感器类型枚举
func (sc *SensorConfig) GetSensorType() SensorType {
	return SensorType(sc.Type)
}

// ParseServiceConfig 解析service.conf配置文件
func ParseServiceConfig(filePath string) ([]SensorConfig, error) {
	data, err := os.ReadFile(filePath)
	if err != nil {
		return nil, fmt.Errorf("Failed to read configuration file: %v", err)
	}

	var configs []SensorConfig
	if err := json.Unmarshal(data, &configs); err != nil {
		return nil, fmt.Errorf("Failed to parse JSON: %v", err)
	}

	return configs, nil
}

// ValidateConfig 验证配置有效性
func ValidateConfig(configs []SensorConfig) error {
	for i, config := range configs {
		if config.DeviceUUID == "" {
			return fmt.Errorf("Configuration %d: device_uuid is empty", i+1)
		}
		if config.TaskID == "" {
			return fmt.Errorf("Configuration %d: task_id is empty", i+1)
		}
		if config.Type < 1 || config.Type > 3 {
			return fmt.Errorf("Configuration %d: invalid type value: %d", i+1, config.Type)
		}
	}
	return nil
}

// GetSensorTypeName 获取传感器类型名称
func GetSensorTypeName(sensorType SensorType) string {
	switch sensorType {
	case SensorTypeTemperatureHumidity:
		return "温湿度传感器"
	case SensorTypeWaterLeak:
		return "水浸传感器"
	case SensorTypeSmoke:
		return "烟雾传感器"
	default:
		return "未知传感器"
	}
}