from dis import Instruction
from otree.api import *


doc = """
Your app description
"""


class C(BaseConstants):
    NAME_IN_URL = 'prisoners_dilemma'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    INSTRUCTIONS_TEMPLATE = 'prisoners_dilemma/instructions.html'
    PAYOFF_A = 2000 # 自分が裏切り、あいては協力
    PAYOFF_B = 1000 # 2人とも協力
    PAYOFF_C = 500  # 2人とも裏切り
    PAYOFF_D = 0    # 自分が協力、あいては裏切り


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    cooperate = models.BooleanField(
        choices=[[True, '協力する'], [False,'裏切る']],
        widget=widgets.RadioSelect,
    )

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,
        (True, False): C.PAYOFF_D,
        (False, False): C.PAYOFF_C,
    }
    other = other_player(player)
    player.payoff = payoff_matrix[(player.cooperate, other.cooperate)]

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


# PAGES

class Introduction(Page):
    timeout_seconds = 100

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

class ResultsWaitPage(WaitPage):
    after_all_players_arrive = set_payoffs # 両プレイヤーが選択後に関数を実行

class Results(Page):
    @staticmethod # 誰か使い方を教えて下さい
    def vars_for_template(player: Player):
        opponent = other_player(player)
        return dict(
            opponent=opponent,
            same_choice=player.cooperate == opponent.cooperate,
            my_decision=player.field_display('cooperate'),
            opponent_decision=opponent.field_display('cooperate'),
        )

class MyPage(Page):
    pass


page_sequence = [Introduction, Decision, ResultsWaitPage, Results]