from otree.api import *
c = cu

doc = '\nSimple trust game\n'
class C(BaseConstants):
    NAME_IN_URL = 'trust_simple'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    ENDOWMENT = cu(10)
    MULTIPLIER = 3
    INSTRUCTIONS_TEMPLATE = 'trust_simple/instructions.html'
class Subsession(BaseSubsession):
    pass
class Group(BaseGroup):
    sent_amount = models.CurrencyField(doc='Amount sent by P1', label='How much do you want to send to participant B', max=C.ENDOWMENT, min=0)
    sent_back_amount = models.CurrencyField(doc='Amount sent back by P2', label='How much do you want to send back')
def sent_back_amount_choices(group: Group):
    return currency_range(0, group.sent_amount * C.MULTIPLIER, 1)
def set_payoffs(group: Group):
    p1 = group.get_player_by_id(1)
    p2 = group.get_player_by_id(2)
    p1.payoff = C.ENDOWMENT - group.sent_amount + group.sent_back_amount
    p2.payoff = group.sent_amount * C.MULTIPLIER - group.sent_back_amount
class Player(BasePlayer):
    pass
class Send(Page):
    form_model = 'group'
    form_fields = ['sent_amount']
    @staticmethod
    def is_displayed(player: Player):
        group = player.group
        return player.id_in_group == 1
class WaitForP1(WaitPage):
    pass
class SendBack(Page):
    form_model = 'group'
    form_fields = ['sent_back_amount']
    @staticmethod
    def is_displayed(player: Player):
        group = player.group
        return player.id_in_group == 2
    @staticmethod
    def vars_for_template(player: Player):
        group = player.group
        return dict(tripled_amount=group.sent_amount * C.MULTIPLIER)
class ResultsWaitPage(WaitPage):
    after_all_players_arrive = set_payoffs
class Results(Page):
    form_model = 'player'
page_sequence = [Send, WaitForP1, SendBack, ResultsWaitPage, Results]