from otree.api import *

doc = """
这是第四轮的过垫脚石桥的游戏实验。
"""


class C(BaseConstants):
    NAME_IN_URL = 'round4'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    INTRODUCTION_TEMPLATE = 'round4/Introduction.html'
    PAYOFF_A = cu(20)
    PAYOFF_B = cu(10)
    PAYOFF_C = cu(5)
    PAYOFF_D = cu(0)


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    first_cross = models.BooleanField(
        label='先过桥',
        choices=[[True, '先过桥'], [False, '后过桥']],
        doc="""This player's decision""",
        widgets=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 = {
        (True, False): C.PAYOFF_A,
        (True, True): C.PAYOFF_B,
        (False, False): C.PAYOFF_C,
        (False, True): C.PAYOFF_D,
    }
    other = other_player(player)
    player.payoff = payoff_matrix[(player.first_cross, other.first_cross)]


# PAGES
class MyWaitPage(WaitPage):
    group_by_arrival_time = True


class Instruction(Page):
    timeout_seconds = 100


class GamePlay(Page):
    form_model = 'player'
    form_fields = ['first_cross']
    timeout_seconds = 30


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.first_cross == opponent.first_cross,
            my_decision=player.field_display('first_cross'),
            opponent_decision=opponent.field_display('first_cross'),
        )


page_sequence = [MyWaitPage, Instruction, GamePlay, ResultsWaitPage, Results]