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


doc = """
A demo of how rounds work in oTree, in the context of 'matching pennies'
"""


class Constants(BaseConstants):
    name_in_url = 'my_matching_pennies_INDIVIDUAL'
    players_per_group = 5
    num_rounds = 5

    endowment = c(100)


class Subsession(BaseSubsession):
    def creating_session(self):
        print('in creating_session', self.round_number)
        paying_round = range(1, Constants.num_rounds, 1)
        self.session.vars['paying_round'] = paying_round



class Group(BaseGroup):
    total_contribution = models.CurrencyField()

    def set_payoffs(self):
        if self.subsession.round_number in self.session.vars['paying_round']:
            self.total_contribution = sum([p.contribution for p in self.get_players()])


class Player(BasePlayer):
    contribution = models.CurrencyField(
        min=1, max=3,
        doc="""The amount contributed by the player""",
    )