# -*- coding: utf-8 -*-
"""
welcal
~~~~~~

Erzeut eine Liste mit Wochen und zwei Namen als CSV auf STDOUT.

:copyright: 2010, Pascal Hartig <phartig@weluse.de>
:license: BSD
"""

import random


NAMES = (
    'Oliver',
    'Marten',
    'Daniel',
    'Markus',
    'Marc',
    'Passy'
)


def print_header():
    print("Woche,Opfer 1,Opfer 2")


def main():
    print_header()
    last_name1, last_name2 = None, None

    iterations = 0
    for week in xrange(1, 53):
    	iterations += 1
        name1 = random.choice(NAMES)
        name2 = random.choice(NAMES)

        lastset = set([last_name1, last_name2])
        while name2 == name1 or \
              name1 in lastset or \
              name2 in lastset:
            name1 = random.choice(NAMES)
            name2 = random.choice(NAMES)
            iterations += 1

        print("{0},{1},{2}".format(week, name1, name2))
        last_name1 = name1
        last_name2 = name2

    print("\nTotal Iterations: {0}".format(iterations))

if __name__ == '__main__':
    main()