from otree.api import (
    BaseConstants, BaseSubsession, BaseGroup, BasePlayer,
)


author = ''

doc = """
Routing app
"""


class Constants(BaseConstants):
    name_in_url = 'intro'
    players_per_group = None
    num_rounds = 1
    apps = [1, 2]
    instructions_template = 'urns_intro/Instructions.html'


class Subsession(BaseSubsession):
    def creating_session(self):
        import itertools
        chosen_app = itertools.cycle(Constants.apps)
        for p in self.get_players():
            p.participant.vars['chosen_app_urns'] = next(chosen_app)

# uneven randomisation
# def creating_session(self):
# for p in self.get_players():
# chosen_app = random.choice(Constants.apps)
# p.participant.vars['chosen_app_urns'] = chosen_app


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    pass