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





doc = """
trustgame
"""





class Constants(BaseConstants):
    name_in_url = 'trustgame'
    players_per_group = 2
    num_rounds = 10
    endowment = c(10)
    multiplier = 3
    instructions_template = 'templates/instructions.html'





class Subsession(BaseSubsession):
    pass





class Group(BaseGroup):

    sent_amount = models.CurrencyField(min=c(0), max=Constants.endowment, doc="""Amount sent by P1""")


    sent_back_amount = models.CurrencyField(doc="""Amount sent back by P2""")



    def sent_back_amount_choices(self):

        return currency_range(c(0), self.sent_amount * Constants.multiplier, c(1))



    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):

    pass