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

doc = '\nThis is a standard 2-player trust game where the amount sent by player 1 gets\ntripled. The trust game was first proposed by\n<a href="http://econweb.ucsd.edu/~jandreon/Econ264/papers/Berg%20et%20al%20GEB%201995.pdf" target="_blank">\n    Berg, Dickhaut, and McCabe (1995)\n</a>.\n'
class Constants(BaseConstants):
    name_in_url = 'trust'
    players_per_group = 2
    num_rounds = 1
    endowment = c(100)
    multiplier = 3
    instructions_template = 'trust/instructions.html'
class Subsession(BaseSubsession):
    pass
def sent_back_amount_max(group):
    return group.sent_amount * Constants.multiplier
def set_payoffs(group):
    p1 = group.get_player_by_id(1)
    p2 = group.get_player_by_id(2)
    p1.payoff = Constants.endowment - group.sent_amount + group.sent_back_amount
    p2.payoff = group.sent_amount * Constants.multiplier - group.sent_back_amount
class Group(BaseGroup):
    sent_amount = models.CurrencyField(doc='Amount sent by P1', label='Please enter an amount from 0 to 100', max=Constants.endowment, min=0)
    sent_back_amount = models.CurrencyField(doc='Amount sent back by P2', min=0)
    sent_back_amount_max = sent_back_amount_max
    set_payoffs = set_payoffs
class Player(BasePlayer):
    pass