package sensor

import (
	"fmt"
	"time"

	uuid "github.com/satori/go.uuid"
	"github.com/volker-raschek/flucky/pkg/types"
	"github.com/yryz/ds18b20"
)

type DS18B20 struct {
	*types.Sensor
}

func (s *DS18B20) ReadTemperature() (*types.Temperature, error) {

	t, err := ds18b20.Temperature(*s.WireID)
	if err != nil {
		return nil, fmt.Errorf("Can not read from Sensor %v (UUID: %v, Wire-ID: %v): %v", s.SensorName, s.SensorID, s.WireID, err)
	}

	temperature := &types.Temperature{
		TemperatureID:    uuid.NewV4().String(),
		TemperatureValue: t,
		TemperatureDate:  time.Now(),
		SensorID:         s.SensorID,
	}

	return temperature, nil

}