package websocket

import (
	"regexp"
	"strconv"
	"strings"
)

var truthy = regexp.MustCompile("^\\s*(t(rue)?|y(es)?|1)\\s*$")

// parseInt64 parses an string to int64
func parseInt64(s string) int64 {
	if s == "" {
		return 0
	}
	i, _ := strconv.ParseInt(s, 10, 64)

	return i
}

// parseUInt64 parses an string to uint64
func parseUInt64(s string) uint64 {
	if s == "" {
		return 0
	}
	i, _ := strconv.ParseUint(s, 10, 64)
	return i
}

// parseUInt64 parses an string to uint64
func parseBool(s string) bool {
	return truthy.MatchString(strings.ToLower(s))
}

// is checks if string s is contained in matches
func is(s string, matches ...string) bool {
	for _, v := range matches {
		if s == v {
			return true
		}
	}
	return false
}