from otree.api import *

class Constants(BaseConstants):
    name_in_url = 'intro'  # Replace 'intro' with your app's name
    players_per_group = None  # Set to None for individual play or a number for groups
    num_rounds = 1  # Number of rounds in your app


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    # Boolean field to identify smart groups based on newsvendor knowledge
    is_smart_group = models.BooleanField(initial=False)


# Pages

class Introduction(Page):
    def is_displayed(self):
        return True  # Add logic if needed to control page visibility


class NewsExplained(Page):
    def is_displayed(self):
        return True  # Add logic if needed to control page visibility


# Page sequence
page_sequence = [Introduction]