PhoneNumber::PhoneNumber(const string& international_number) {
	int i = 1;
	if (international_number[0] != '+')
		throw invalid_argument("dsfa");

	SplitForCountryCode(i, international_number);
	SplitForCityCode(i, international_number);
	//cout << country_code_ << city_code_;
}

void PhoneNumber::SplitForCountryCode(int& i, const string& international_number) {
	/*country_code_ = "+";*/
	for (i; i <= international_number.length() && international_number[i] != '-'; ++i) {
		country_code_ += international_number[i];
	}
	country_code_.erase(std::remove_if(country_code_.begin(), country_code_.end(), ::isspace), country_code_.end());
	if ("+" + country_code_ == international_number || i == 1)
		throw invalid_argument("dsfa");
}