from otree.api import *

doc = """Detect and block mobile browsers"""


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


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    is_mobile = models.BooleanField()


# PAGES
class MobileCheck(Page):
    form_model = 'player'
    form_fields = ['is_mobile']


class DeviceCompatibilityDrop(Page):
    def is_displayed(player: Player):
        return player.is_mobile

    def vars_for_template(self):
        return {
            'redirect_url': self.session.config['incompatible_device_dropout']
        }

page_sequence = [MobileCheck, DeviceCompatibilityDrop]