from otree.api import *
c = cu

doc = '\nThis is a one-shot "Prisoner\'s Dilemma". Two players are asked separately\nwhether they want to cooperate or defect. Their choices directly determine the\npayoffs.\n'
class C(BaseConstants):
    NAME_IN_URL = 'prisoner'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    BETRAY_PAYOFF = cu(300)
    BETRAYED_PAYOFF = cu(0)
    BOTH_COOPERATE_PAYOFF = cu(200)
    BOTH_DEFECT_PAYOFF = cu(100)
    INSTRUCTIONS_TEMPLATE = 'prisoner/instructions.html'
class Subsession(BaseSubsession):
    pass
class Group(BaseGroup):
    pass
def set_payoffs(group: Group):
    for p in group.get_players():
        p.set_payoff()
Group.set_payoffs = set_payoffs
class Player(BasePlayer):
    decision = models.StringField(choices=[['Cooperate', 'Cooperate'], ['Defect', 'Defect']], doc='This player s decision', widget=widgets.RadioSelect)
def other_player(player: Player):
    group = player.group
    return player.get_others_in_group()[0]
def set_payoff(player: Player):
    payoff_matrix = dict(
        Cooperate=dict(
            Cooperate=C.BOTH_COOPERATE_PAYOFF,
            Defect=C.BETRAYED_PAYOFF,
        ),
        Defect=dict(
            Cooperate=C.BETRAY_PAYOFF, Defect=C.BOTH_DEFECT_PAYOFF
        ),
    )
    
    player.payoff = payoff_matrix[player.decision][player.other_player().decision]
Player.other_player = other_player
Player.set_payoff = set_payoff
class Introduction(Page):
    form_model = 'player'
    timeout_seconds = 100
class Decision(Page):
    form_model = 'player'
    form_fields = ['decision']
class ResultsWaitPage(WaitPage):
    after_all_players_arrive = set_payoffs
class Results(Page):
    form_model = 'player'
    @staticmethod
    def vars_for_template(player: Player):
        me = player
        opponent = me.other_player()
        return dict(
            my_decision=me.decision,
            opponent_decision=opponent.decision,
            same_choice=me.decision == opponent.decision,
        )
page_sequence = [Introduction, Decision, ResultsWaitPage, Results]