from otree.api import *


doc = """
Your app description
"""


class C(BaseConstants):
    NAME_IN_URL = 'MatchingPennie'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 20
    STAKES=10

class Subsession(BaseSubsession):
    pass

def creating_session(subsession):
    import random

    if subsession.round_number == 10:
        # reverse the roles
        matrix = subsession.get_group_matrix()
        for row in matrix:
            row.reverse()
        subsession.set_group_matrix(matrix)
    if subsession.round_number > 10:
        subsession.group_like_round(10)


class Group(BaseGroup):
    def set_payoffs(self):
        matcher = self.get_player_by_role('A')
        mismatcher = self.get_player_by_role('B')

        if matcher.penny_side == mismatcher.penny_side:
            matcher.is_winner = True
            mismatcher.is_winner = False
        else:
            matcher.is_winner = False
            mismatcher.is_winner = True

        for player in [mismatcher, matcher]:
            if player.is_winner:
                player.payoff = C.STAKES
            else:
                player.payoff = 0
    

class Player(BasePlayer):
    penny_side = models.StringField(
        choices=[['表', '表'], ['裏', '裏']], widget=widgets.RadioSelect
    )

    is_winner = models.BooleanField()

    def role(self):
        if self.id_in_group == 1:
            return 'A'
        if self.id_in_group == 2:
            return 'B'


# PAGES
class MyPage(Page):
    form_model = 'player'
    form_fields = ['penny_side']

    def vars_for_template(player):
        return dict(player_in_previous_rounds=player.in_previous_rounds())



class ResultsWaitPage(WaitPage):
    def after_all_players_arrive(self):
        self.group.set_payoffs()



class Results(Page):
    def is_displayed(self):
        return self.round_number == C.NUM_ROUNDS

    def vars_for_template(player):
        player_in_all_rounds = player.in_all_rounds()

        return dict(
            total_payoff=sum([p.payoff for p in player_in_all_rounds]),
            player_in_all_rounds=player_in_all_rounds,
        )


page_sequence = [MyPage, ResultsWaitPage, Results]