nobiliary_particle = set((
    'v',
    'von',
    'van',
    'de',
    'di',
    'zu',
    'of',
    'tot',
    'thoe',
    'af',
    'av',
    'na',
))

def unhyphenate_first(f):
    if '-' not in f:
        return f
    return f if '-' not in f else ' '.join(map(str.capitalize, f.split('-')))

def get_formal_and_friendly_for_user(u):
    if not '.' in u:
        return (u.capitalize(),) * 2

    parts = u.split('.')
    if len(parts) == 2:
        (first, last) = map(str.capitalize, parts)
        first = unhyphenate_first(first)
        return (first + ' ' + last, first)

    if len(parts) == 3:
        (first, last) = map(str.capitalize, (parts[0], parts[2]))
        middle = parts[1]
        if not middle in nobiliary_particle:
            middle = middle.capitalize()

        first = unhyphenate_first(first)
        return (' '.join((first, middle, last)), first)

    parts = map(str.capitalize, parts)
    first = unhyphenate_first(parts[0])
    return (' '.join([first,] + parts[1:]), first)