package metrics

import (
	"math"

	"github.com/bcicen/ctop/logging"
)

var log = logging.Init()

type Metrics struct {
	CPUUtil    int
	NetTx      int64
	NetRx      int64
	MemLimit   int64
	MemPercent int
	MemUsage   int64
}

func NewMetrics() Metrics {
	return Metrics{
		CPUUtil:  -1,
		NetTx:    -1,
		NetRx:    -1,
		MemUsage: -1,
	}
}

type Collector interface {
	Stream() chan Metrics
	Running() bool
	Start()
	Stop()
}

func round(num float64) int {
	return int(num + math.Copysign(0.5, num))
}