package stat

import (
	"bufio"
	"io"
	"strings"
)

type LoadAvg struct {
	Min1,
	Min5,
	Min15 string
}

func (loadavg LoadAvg) Command() string {
	return "cat /proc/loadavg"
}

func (loadavg LoadAvg) Parse(r io.Reader) (*LoadAvg, error) {
	var (
		scanner = bufio.NewScanner(r)
	)

	load := LoadAvg{}
	for scanner.Scan() {
		line := scanner.Text()
		parts := strings.Fields(line)
		load.Min1 = parts[0]
		load.Min5 = parts[1]
		load.Min15 = parts[2]
	}
	return &load, scanner.Err()
}