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


author = 'Your name here'

doc = """
Your app description
"""


class Constants(BaseConstants):
    name_in_url = 'pgg_simple'
    players_per_group = 3
    num_rounds = 4 #number of rounds

    endowment = c(100)
    multiplier1 = 1.8
    multiplier2 = 2.5


class Subsession(BaseSubsession):
    def creating_session(self):
        self.group_randomly() ##stranger matching


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

    def set_pggpayoffs(self):
        players = self.get_players()
        contributions = [p.contribution for p in players]
        self.total_contribution = sum(contributions)
        if self.round_number <= 2:
            self.individual_share = self.total_contribution * Constants.multiplier1 / Constants.players_per_group
        else:
            self.individual_share = self.total_contribution * Constants.multiplier2 / Constants.players_per_group
        for p in players:
            p.payoff_pgg = Constants.endowment - p.contribution + self.individual_share

    def set_payoffs(self):
        players = self.get_players()
        for p in players:
            others = p.get_others_in_group()
            punishments = [o.punishment for o in others]
            p.total_punishment = sum(punishments)*2
            p.payoff = p.payoff_pgg - p.total_punishment

class Player(BasePlayer):
    contribution = models.CurrencyField(min=0, max=Constants.endowment)
    punishment = models.BooleanField(choices=[(1, 'Yes'), (0, 'No')])
    total_punishment = models.IntegerField()

    payoff_pgg = models.CurrencyField()