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

doc = 'trust game first round'
class Constants(BaseConstants):
    name_in_url = 'Trust_round_1'
    players_per_group = 2
    num_rounds = 1
    multiplier = 3
    endowment = 10
    instructions_template = 'Trust_round_1/instructions.html'
class Subsession(BaseSubsession):
    def creating_session(self):
        self.group_randomly(fixed_id_in_group = True)
class Group(BaseGroup):
    sent_amount = models.IntegerField(max=Constants.endowment, min=0)
    sent_back_amount = models.IntegerField(min=0)
    def sent_back_amount_max(self):
        return self.sent_amount * Constants.multiplier
    def set_payoffs(self):
        p1 = self.get_player_by_id(1)
        p2 = self.get_player_by_id(2)
        p1.payoff = Constants.endowment - self.sent_amount + self.sent_back_amount
        p2.payoff = self.sent_amount * Constants.multiplier - self.sent_back_amount
class Player(BasePlayer):
    def role(self):
        return {1: 'A', 2: 'B'}[self.id_in_group]