from otree.api import (
    models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer,
    Currency
)
import random


doc = """
a.k.a. Keynesian beauty contest.

Two players are picked randomly.
Whoevers chosen number is closest to
2/3 of the average of the two numbers wins.
"""


class Constants(BaseConstants):
    players_per_group = None
    num_rounds = 1
    name_in_url = 'Beauty_Contest_Paired'

    jackpot = Currency(100)
    guess_max = 100

    instructions_template = 'Beauty_Contest_Paired/Instructions.html'


class Subsession(BaseSubsession):
    two_thirds_avg = models.FloatField()
    best_guess = models.IntegerField()
    num_winners = models.IntegerField()

    def set_payoffs(self):
        players = random.sample(self.get_players(), 2)
        
        for p in players:
            p.is_selected = True
        
        selected_players = [p.participant.vars['name'] for p in players]
        selected_guesses = [p.guess for p in players]
        
        guesses = [p.guess for p in players]
        two_thirds_avg = (2 / 3) * sum(guesses) / len(players)
        self.two_thirds_avg = round(two_thirds_avg, 2)

        self.best_guess = min(guesses,
            key=lambda guess: abs(guess - self.two_thirds_avg))

        winners = [p for p in players if p.guess == self.best_guess]
        self.num_winners = len(winners)

        for p in winners:
            p.is_winner = True
            p.payoff = Constants.jackpot / self.num_winners

    def vars_for_admin_report(self):
        players = self.get_players()
        print([p for p in players])
        print([p.guess for p in players])
        return {'guesses': [p.guess for p in players],
                'best_guess': self.best_guess,
                'winning_players': [p for p in players if p.guess == self.best_guess]
            }
    
    def number_of_players(self):
        return len(self.get_players())

class Group(BaseGroup):
    pass

class Player(BasePlayer):
    guess = models.IntegerField(min=0, max=Constants.guess_max)
    is_winner = models.BooleanField(initial=False)
    is_selected = models.BooleanField(initial=False)