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

doc = '\n2 firms complete in a market by setting prices for homogenous goods.\n\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 = 2
	maximum_price = c(200)
	instructions_template = 'bertrand/instructions.html'
class Subsession(BaseSubsession):
	pass
class Group(BaseGroup):
	winning_price = models.CurrencyField()
	def set_payoffs(self):
		import random
		
		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()