from otree.api import Currency as c, currency_range
from ._builtin import Page, WaitPage
from .models import Constants


class Instructions(Page):
    def is_displayed(self):
        return self.round_number == 1

    def before_next_page(self):
        if self.round_number == 1:
            self.participant.vars['AtC_payoff'] = 0


class BidPage(Page):
    form_model = 'player'
    form_fields = ['bid']

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

    def vars_for_template(self):
        p = self.player
        lo = Constants.lo_value + p.shifted * Constants.shift_value
        hi = Constants.hi_value + p.shifted * Constants.shift_value
        return dict(
            lo=lo,
            hi=hi,
        )


class Results(Page):
    pass


page_sequence = [
    Instructions,
    BidPage,
    Results
]