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


doc = """
This is a one-period public goods game with 2 players.
"""


class Constants(BaseConstants):
    name_in_url = 'public_goods_x2'
    players_per_group = 2
    num_rounds = 1

    instructions_template = 'public_goods_x2/instructions_x2.html'

    # """Amount allocated to each player"""
    endowment = c(100)
    multiplier = 1.4
    offer_increment = c(10)
    offer_choices = currency_range(0, endowment, offer_increment)
    offer_choices_count = len(offer_choices)


class Subsession(BaseSubsession):
    def vars_for_admin_report(self):
        contributions = [p.contribution for p in self.get_players() if p.contribution != None]
        if contributions:
            return dict(
                avg_contribution=sum(contributions) / len(contributions),
                min_contribution=min(contributions),
                max_contribution=max(contributions)
            )
        else:
            return dict(
                avg_contribution='(no data)',
                min_contribution='(no data)',
                max_contribution='(no data)'
            )


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

    individual_share = models.CurrencyField()

    def set_payoffs(self):
        self.total_contribution = sum([p.contribution for p in self.get_players()])
        self.individual_share = self.total_contribution * Constants.multiplier / Constants.players_per_group
        for p in self.get_players():
            p.payoff = (Constants.endowment - p.contribution) + self.individual_share


class Player(BasePlayer):
    pgg_payoff = models.IntegerField()
    contribution = models.CurrencyField(choices=Constants.offer_choices,label='Your offer:')