package resolve

import (
	"strconv"
	"strings"
)

var DefaultNamespace = "namespace"

func UnNamespace(ns string) []string {
	return strings.Split(ns, ".")
}

func Namespace(ns []string) string {
	namespace := DefaultNamespace
	if len(ns) > 0 {
		segments := []string{}
		for i := range ns {
			if ns[i] != "" {
				segments = append(segments, ns[i])
			}
		}
		namespace = strings.Join(segments, ".")
	}
	return namespace
}

func Limits(input []string) []string {
	return []string{
		LimitsStart(input),
		LimitsStop(input),
		LimitsLimit(input),
		LimitsAscending(input),
	}
}

func LimitsStart(input []string) string {
	if len(input) > 0 {
		return input[0]
	}
	return " "
}

func LimitsStop(input []string) string {
	if len(input) > 1 {
		return input[1]
	}
	return "}}}}}}"
}

func LimitsLimit(input []string) string {
	if len(input) > 2 {
		v, _ := strconv.Atoi(input[2])
		return strconv.Itoa(v)
	}
	return "0"
}

func LimitsAscending(input []string) string {
	return strconv.FormatBool(len(input) < 4 || input[3] != "-")
}