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


doc = """
This application provides a webpage instructing participants how to get paid.
Examples are given for the lab and Amazon Mechanical Turk (AMT).
"""


class Constants(BaseConstants):
    name_in_url = 'payment_infoMT'
    players_per_group = None
    num_rounds = 1


class Subsession(BaseSubsession):
        paying_round = models.IntegerField()
        tasks_payoff = models.CurrencyField()
        risk_payoff = models.CurrencyField()

class Group(BaseGroup):
    pass

class Player(BasePlayer):

    @property
    def payoff(self):
        return self._payoff

    @payoff.setter
    def payoff(self, value):
        if value is None:
            value = 0
        delta = value - self._payoff
        self._payoff += delta
        self.participant.payoff += delta
    # should save it because it may not be obvious that modifying
    # player.payoff also changes a field on a different model
        self.participant.save()
        if delta == 0: return
        print(f'Setting payoff to: {value}. player:\t{self._payoff}, participant:\t{self.participant.payoff}, participant.code:{self.participant.code} ({Constants.name_in_url}, round {self.round_number})')