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


class Constants(BaseConstants):
    name_in_url = "bertrand"
    players_per_group = 2
    num_rounds = 1
    maximum_price = c(100)
    instructions_template = "bertrand/instructions.html"


class Subsession(BaseSubsession):
    my_field = models.FloatField()

    def my_method(self):
        # write your code here
        pass


class Group(BaseGroup):
    winning_price = models.CurrencyField()

    def set_payoffs(self):
        players = self.get_players()
        self.winning_price = min([p.price for p in players])
        winners = [p for p in players if p.price == self.winning_price]
        winner = random.choice(winners)

        for p in players:
            if p == winner:
                p.is_winner = True
                p.payoff = p.price
            else:
                p.is_winner = False
                p.payoff = c(0)


class Player(BasePlayer):
    price = models.CurrencyField(
        doc="Price player offers to sell product for", max=Constants.maximum_price, min=0
    )
    is_winner = models.BooleanField()