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


class Screen1(Page):
    def before_next_page(self):
        self.player.initialSliderSound = random.randint(0, 40)


class Screen2(Page):
    form_model = 'player'
    form_fields = ['Sound', 'checkslider']
    def vars_for_template(self):
        r = self.player.initialSliderSound
        return {'initial': r}

    def error_message(self, values):
        if values['checkslider'] == -1:
            return 'Please use the slider to make your decision. (You can still select the starting value but you have to at least move the slider first.)'


page_sequence = [
    Screen1,
    Screen2,
]