//  GBCountryMultyListViewController.m

- (NSArray *)availableCountries
{
    NSMutableSet *countriesSet = [NSMutableSet set];
    if ([self selectedUsers].count == 0) {
        NSArray *policies = [GBApi sharedApi].policies;
        for (GBPolicy *policy in policies) {
            [countriesSet addObjectsFromArray:[policy isoCountries]];
        }
    } else {
        for (GBUser *user in self.selectedUsers) {
            for (GBPolicy *policy in user.policies) {
                [countriesSet addObjectsFromArray:[policy isoCountries]];
            }
        }
    }
    NSArray *countries = [countriesSet allObjects];
    NSArray *allCountries = [GBPolicy allCoutriesISO];
    NSMutableArray *allCountriesWithoutRUS = [allCountries mutableCopy];
    [allCountriesWithoutRUS removeObject:@"RUS"];
    if (countries.count == allCountries.count || countries.count == allCountriesWithoutRUS.count) {
        return @[];
    }
    NSMutableArray *localizedCountries = [NSMutableArray array];
    for (NSString *iso in countries) {
        [localizedCountries addObject:NSLocalizedString(iso, @"")];
    }
    return [localizedCountries sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
}