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

class instructions(Page):
    form_model = 'player'
    def is_displayed(self):
        return self.round_number == 2

class Page1(Page):
    form_model = 'player'

    def is_displayed(self):
        return self.round_number == 3

    def before_next_page(self):
        if self.request.POST.get('back'):
            if self.request.POST.get('back')[0] == '1':
                self._is_frozen = False
            self._index_in_pages -= 2
            self.participant._index_in_pages -= 2

class Page2(Page):
    form_model = 'player'

    def is_displayed(self):
        return self.round_number == 4

    def before_next_page(self):
        if self.request.POST.get('back'):
            if self.request.POST.get('back')[0] == '1':
                self._is_frozen = False
            self._index_in_pages -= 2
            self.participant._index_in_pages -= 2


class Page3(Page):
    form_model = 'player'

    def is_displayed(self):
        return self.round_number == 5

    def before_next_page(self):
        if self.request.POST.get('back'):
            if self.request.POST.get('back')[0] == '1':
                self._is_frozen = False
            self._index_in_pages -= 2
            self.participant._index_in_pages -= 2

class form(Page):
    form_model = 'player'
    form_fields = ['name', 'company',
                   'position',
                   'age',
                   'gender',
                   'educ',
                   'county',
                   'product']
    def is_displayed(self):
        return self.round_number == 1



page_sequence = [
                 form,
                 instructions, Page1, Page2, Page3]