from otree.api import *


doc = """
Your app description
"""


class C(BaseConstants):
    NAME_IN_URL = 'screen'
    PLAYERS_PER_GROUP = None
    NUM_ROUNDS = 1


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    Screen = models.StringField(
        choices=[
            ['Yes', 'Yes'],
            ['No', 'No']
        ]
    )

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

# class NextAppPage(Page):
#     def is_displayed(self):
#         return self.Screen == 'Yes'

class EndPage(Page):
    def is_displayed(self):
        return self.Screen == 'No'
    # If you want to show a different text on this page based on the role_in_learning decision,
    # you can define it in vars_for_template
    def vars_for_template(self):
        return dict(
            message='Thank you for your interest in the survey. Unfortunately, you are not eligible to complete the survey.  '
        )

page_sequence = [Screen, EndPage]