package stat

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

type LoadAvg struct {
}

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

func (loadavg LoadAvg) Read(r io.Reader) (*map[string]string, error) {
	var (
		scanner = bufio.NewScanner(r)
		resMap = make(map[string]string)
	)

	for scanner.Scan() {
		line := scanner.Text()
		parts := strings.Fields(line)
		resMap["cpu.load.avg1"] = parts[0]
		resMap["cpu.load.avg5"]= parts[1]
		resMap["cpu.load.avg15"] = parts[2]
	}

	return &resMap, scanner.Err()
}