package pkg

import (
	"regexp"

	"github.rackspace.com/gorax/tools/util"
)

var (
	NETSELFALLOWRE = regexp.MustCompile(`(?i)defaults\s+{((.|\n)*?)}`)
	COLONSPLITRE   = regexp.MustCompile(`(\S+):(\S+)`)
)

type (
	SelfAllow struct {
		Defaults []*ServicePort `json:"default"`
	}
)

func ParseSelfAllow(s string) *SelfAllow {
	a := new(SelfAllow)
	a.Parse(s)
	return a
}

func (a *SelfAllow) Parse(s string) {
	for _, r := range COLONSPLITRE.FindAllStringSubmatch(util.RegexpString(NETSELFALLOWRE, s), -1) {
		a.Defaults = append(a.Defaults, &ServicePort{
			Proto: r[1],
			Port:  r[2],
		})
	}
}