package main

import (
	"strings"
)

type clientTag struct {
	AppName string
	Version string
}

func parseVersion(ver string) clientTag {
	// A bit long and unwieldy.
	// Heuristic: keep the first word, and the the first word containing digits

	ret := clientTag{
		AppName: APP_NAME,
		Version: APP_VERSION,
	}

	ver = strings.Trim(strings.Replace(ver, ":", " ", -1), " ")

	words := strings.Split(ver, " ")

	for _, word := range words[1:] {
		if strings.ContainsAny(word, "0123456789") {
			ret.AppName = words[0]
			ret.Version = strings.Replace(word, "(", "", -1) // AndroIRC
			break
		}
	}

	// Strip leading v from mIRC
	if len(ret.Version) >= 2 && (ret.Version[0] == 'v' || ret.Version[0] == 'V') && strings.ContainsAny(string(ret.Version[1]), "0123456789") {
		ret.Version = ret.Version[1:]
	}

	return ret
}