/* File for Filesystem-related structs and methods */

package jsh

import (
	"errors"
	"strconv"
)

// Filesystem is a struct for marshalling into JSON output for the df utility.
type Filesystem struct {
	Name       string
	Size       int
	Used       int
	Available  int
	MountPoint string
}

// NewFilesystem
func NewFilesystem(args []string) (procPtr *Filesystem, err error) {
	err = nil
	// 11 = number of fields in the Filesystem struct
	if len(args) != 5 {
		procPtr = &Filesystem{}
		err = errors.New("Unexpected number of columns")
	} else {
		// TODO: add error checking
		size, _ := strconv.Atoi(args[1])
		used, _ := strconv.Atoi(args[2])
		available, _ := strconv.Atoi(args[2])
		procPtr = &Filesystem{
			args[0], size, used, available, args[4]}
	}
	return
}