from otree.api import Currency as c, currency_range

from ._builtin import Page


class StartR(Page):
    pass


class Instructions(Page):
    form_model = 'player'
    form_fields = ['ex1', 'ex2']

    def error_message(self, value):
        if value["ex1"] != 400:
            return 'The first question is not answered correctly. Consult the instructions and try again.'
        elif value["ex2"] != 350:
            return 'The second question is not answered correctly. Consult the instructions and try again.'


class StartR2(Page):
    pass


class Buckets(Page):
    form_model = 'player'
    form_fields = ['balls_A', 'balls_B', 'balls_I']

    def before_next_page(self):
        self.player.set_payoffs_bucket()


page_sequence = [StartR, Instructions, StartR2, Buckets]
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