from ._builtin import Page

import random


class Error(Page):

    def is_displayed(self):

        user_agent = self.request.META['HTTP_USER_AGENT']
        is_mobile = False

        for substring in ['Mobi', 'Android']:
            if substring in user_agent:
                is_mobile = True

        return is_mobile


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

    def before_next_page(self):

        possible_orders = [12, 21]
        self.player.randomized_order = random.choice(possible_orders)
        self.player.participant.vars['randomized_order'] = self.player.randomized_order

        self.player.colors_reversed = random.randint(0, 1)
        self.player.participant.vars['colors_reversed'] = self.player.colors_reversed

        self.player.roles_reversed = random.randint(0, 1)
        self.player.participant.vars['roles_reversed'] = self.player.roles_reversed


class End(Page):

    def is_displayed(self):

        return self.player.consent == 2


class Caution(Page):
    pass


class GeneralInstructions1(Page):
    pass


class GeneralInstructions2(Page):

    def app_after_this_page(self, upcoming_apps):

        print('upcoming_apps is', upcoming_apps)

        if self.player.randomized_order == 12:
            return "MTSP_Part1A"

        if self.player.randomized_order == 21:
            return "MTSP_Part2"


page_sequence = [
    Error,
    Consent,
    End,
    Caution,
    GeneralInstructions1,
    GeneralInstructions2
]