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


author = 'Boon Han Koh'

doc = """
Example trust game with some modifications
"""


class Constants(BaseConstants):
    name_in_url = 'my_trust_game'
    players_per_group = 2
    num_rounds = 1

    endowment = 10
    multiplier = 3


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    sent_amount = models.IntegerField(
        label="How many ECU do you want to send to Player B?",
    )

    sent_back_amount = models.IntegerField(
        label="How many ECU do you want to send back to Player A?"
    )

    def sent_amount_choices(self):
        return range(
            0,
            Constants.endowment + 1,
            1
        )

    def sent_back_amount_choices(self):
        return range(
            0,
            self.sent_amount * Constants.multiplier + 1,
            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