from otree.api import *


doc = """
Your app description
"""


class C(BaseConstants):
    NAME_IN_URL = 'prisoners'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    instructions_template = 'prisoner/instructions.html'
    betray_payoff = cu(300)
    betrayed_payoff = cu(0)
    both_cooperate_payoff = cu(200)
    both_defect_payoff = cu(100)


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    decision = models.StringField(
        choices=[['Cooperate', 'Cooperate'], ['Defect', 'Defect']],
        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 = dict(
        Cooperate = dict(
            Cooperate=Constants.both_cooperate_payoff, Defect=Constants.betrayed_payoff
        ),
        Defect=dict(
            Cooperate=Constants.betray_payoff, Defect=Constants.both_defect_payoff
        ),
    )
    player.payoff = payoff_matrix[player.decision][other_player(player).decision]

# PAGES
class Introduction(Page):
    timeout_seconds = 100

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


class ResultsWaitPage(WaitPage):
    after_all_players_arrive = set_payoffs


class Results(Page):
    @staticmethod
    def vars_for_template(player: Player):
        me = player
        opponent = other_player(me)
        return dict(
            my_decision=me.decision,
            opponent_decision=opponent.decision,
            same_choice=me.decision == opponent.decision,
        )


page_sequence = [Introduction, Decision, ResultsWaitPage, Results]