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


author = 'Your name here'

doc = """
Your app description
"""


class Constants(BaseConstants):
    name_in_url = 'my_trust'
    players_per_group = 2
    num_rounds = 1
    completion_code = '0293726'
    endowment = c(10)
    #multiplication_factor = 3

class Subsession(BaseSubsession):
    def creating_session(self):
        for g in self.get_groups():
            g.multiplication_factor = self.session.config['multiplication_factor']

        # assign fixed completion code to player
        for player in self.get_players():
            player.completion_code = Constants.completion_code

class Group(BaseGroup):
    multiplication_factor = models.IntegerField()

    sent_amount = models.CurrencyField(
        label="How much do you want to send to participant B?",
        min = c(0),
        max = Constants.endowment
    )
    sent_back_amount = models.CurrencyField(
        label="How much do you want to send back?",
    )

    def sent_back_amount_choices(self):
        return currency_range(
            c(0),
            self.sent_amount * self.multiplication_factor,
            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 * self.multiplication_factor - self.sent_back_amount

class Player(BasePlayer):
    completion_code = models.StringField()