from otree.api import *
c = cu

doc = '\n2 firms complete in a market by setting prices for homogenous goods.\nSee "Kruse, J. B., Rassenti, S., Reynolds, S. S., & Smith, V. L. (1994).\nBertrand-Edgeworth competition in experimental markets.\nEconometrica: Journal of the Econometric Society, 343-371."\n'
class Constants(BaseConstants):
    name_in_url = 'bertrand'
    players_per_group = 2
    num_rounds = 1
    maximum_price = cu(100)
    instructions_template = 'bertrand/instructions.html'
class Subsession(BaseSubsession):
    pass
def set_payoffs(group):
    import random
    
    players = group.get_players()
    group.winning_price = min([p.price for p in players])
    winners = [p for p in players if p.price == group.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 Group(BaseGroup):
    winning_price = models.CurrencyField()
class Player(BasePlayer):
    price = models.CurrencyField(doc='Price player offers to sell product for', label='Please enter an amount from 0 to 100 as your price', max=Constants.maximum_price, min=0)
    is_winner = models.BooleanField()
class Introduction(Page):
    form_model = 'player'
class Decide(Page):
    form_model = 'player'
    form_fields = ['price']
class ResultsWaitPage(WaitPage):
    after_all_players_arrive = 'set_payoffs'
class Results(Page):
    form_model = 'player'
page_sequence = [Introduction, Decide, ResultsWaitPage, Results]