from otree.api import *


doc = """
This is a one-shot "Prisoner's Dilemma". In this game, the two players are two prisoners, 
who are asked separately whether they want to confess or not a crime. 
Their choices directly determine the years to be spent in prison. 
"""


class C(BaseConstants):
    NAME_IN_URL = 'prisoner'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    INSTRUCTIONS_TEMPLATE = 'PrisonerDilemma/instructions.html'
    PAYOFF_A = 7
    PAYOFF_B = 6
    PAYOFF_C = 1
    PAYOFF_D = 0


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    Confess = models.BooleanField(
        choices=[[True, 'Confess'], [False, 'Not confess']],
        doc="""This player's decision""",
        widget=widgets.RadioSelect,
    )


# FUNCTIONS
def set_payoffs(group: Group):
    for p in group.get_players():
        set_payoff(p)


def other_player(player: Player):
    return player.get_others_in_group()[0]


def set_payoff(player: Player):
    payoff_matrix = {
        (False, True): C.PAYOFF_A,
        (True, True): C.PAYOFF_B,
        (False, False): C.PAYOFF_C,
        (True, False): C.PAYOFF_D,
    }
    other = other_player(player)
    player.payoff = payoff_matrix[(player.Confess, other.Confess)]




# PAGES
class Introduction(Page):
    timeout_seconds = 300


class Decision(Page):
    form_model = 'player'
    form_fields = ['Confess']


class ResultsWaitPage(WaitPage):
    after_all_players_arrive = set_payoffs


class Results(Page):
    @staticmethod
    def vars_for_template(player: Player):
        opponent = other_player(player)
        return dict(
            opponent=opponent,
            same_choice=player.Confess == opponent.Confess,
            my_decision=player.field_display('Confess'),
            opponent_decision=opponent.field_display('Confess'),
            my_payoff=int(player.payoff)
        )



page_sequence = [Introduction, Decision, ResultsWaitPage, Results]