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

doc = '\nOne player decides how to divide a certain amount between himself and the other\nplayer.\n\nSee: Kahneman, Daniel, Jack L. Knetsch, and Richard H. Thaler. "Fairness\nand the assumptions of economics." Journal of business (1986):\nS285-S300.\n\n'
class Constants(BaseConstants):
    name_in_url = 'dictator_emc'
    players_per_group = None
    num_rounds = 1
    endowment = c(50)
    instructions_template = 'dictator_emc/instructions.html'
class Subsession(BaseSubsession):
    pass
class Group(BaseGroup):
    pass
class Player(BasePlayer):
    sent = models.CurrencyField(label='The preferred amount the sender decides to send to the receiver', max=Constants.endowment, min=0)
    consent = models.IntegerField(choices=[[1, 'Agree'], [0, 'Disagree']], initial=1, label='Do you agree to participate in the survey?', widget=widgets.RadioSelect)
    def set_payoff(self):
        self.payoff = Constants.endowment - self.sent