from otree.api import *
from otree.models import player
import random

doc = """
Introduction
"""


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


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass

class Player(BasePlayer):
    # Variable that keeps track of each participant's language preference.
    language = models.StringField(
        choices=[['de', 'Deutsch'], ['en', 'English']],
        widget=widgets.RadioSelect
    )

# PAGES
class LanguageSelection(Page):
    """This page is for selecting which language to use"""
    form_model = 'player'
    form_fields = ['language']

    @staticmethod
    # Before players continue to the next page, their preferred language is set.
    def before_next_page(player, timeout_happened):
        player.participant.language = player.language


class Introduction(Page):
    pass

class DataPrivacyInformation(Page):
    pass


page_sequence = [
    LanguageSelection,
    Introduction,
    DataPrivacyInformation,
]