from otree.api import (
    models,
    widgets,
    BaseConstants,
    BaseSubsession,
    BaseGroup,
    BasePlayer,
    Currency as c,
    currency_range,
)


author = 'Your name here'

doc = """
The beauty contest game
"""


class Constants(BaseConstants):
    name_in_url = 'bcg2'
    players_per_group = 2
    num_rounds = 20
    coefficient = {1: 2/3, 2: 4/3, 3: 2/3, 4: 2/3, 5: 4/3, 6: 4/3,
                   7: 2/3, 8: 4/3, 9: 2/3, 10: 2/3, 11: 4/3, 12: 4/3,
                   13: 2/3, 14: 4/3, 15: 2/3, 16: 2/3, 17: 4/3, 18: 4/3,
                   19: 2/3, 20: 4/3}


class Subsession(BaseSubsession):
    def creating_session(self):
        self.group_randomly()


class Group(BaseGroup):
    average = models.CurrencyField()
    def set_payoffs(self):
        self.average = sum([p.number for p in self.get_players()]) / Constants.players_per_group
        for p in self.get_players():
            p.payoff = max((20 - abs(p.number - ((Constants.coefficient[p.round_number]) * self.average))), 0)


class Player(BasePlayer):
    number = models.CurrencyField(min=1, max=100, label='What number will you choose?', initial=0)