package temperature

import "log"

type Sensor struct {
	Name      string
	Path      string
	Filter    EWMAFilter
	accErrors int
}

func NewSensor(name, path string, weight float64) Sensor {
	return Sensor{
		Name:   name,
		Path:   path,
		Filter: NewEWMAFilter(weight),
	}
}

func (p *Sensor) Update(value int64) float64 {
	p.accErrors = 0
	degrees := float64(value) / 1000

	return p.Filter.Update(degrees)
}

func (p *Sensor) Fail() error {
	p.accErrors++

	if p.accErrors > 60 {
		log.Fatalf("Thermal sensor read of %v failed 60 times in a row -- terminating", p.Name)
	}

	return nil
}