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

import random
author = 'Your name here'

doc = """
Your app description
"""


class Constants(BaseConstants):
    name_in_url = 'my_public_good_game'
    players_per_group = 3
    num_rounds = 2
    efficiency_factor = 2
    endowment = c(100) #specifies the currency
    switching_rounds = [1, ]
    lb = 50
    ub = 150



class Subsession(BaseSubsession): #representations of participants in each round
    def creating_session(self): #before the session starts it will produce what you will define in the following
        for i in self.get_players():
            if self.round_number == 1:
                if self.session.config.get('hetero_endowment'): #just a dictionary
                    i.endowment = random.randint(Constants.lb, Constants.ub)
                else:
                    i.endowment = Constants.endowment
            else:
                    i.endowment = i.in_round(1).endowment # if it is not round 1, then take the endowment of round 1, so that there are no changes across rounds


class Group(BaseGroup):
    total_contribution = models.CurrencyField() # only fields that will be shown like that, will be shown in the data later
    individual_share = models.CurrencyField()
    average_contribution = models.CurrencyField()

    def set_payoffs(self):
        self.total_contribution = sum([p.contribution for p in self.get_players()]) #returns the list of the players in the group and sums up their contribution
        self.average_contribution = self.total_contribution / Constants.players_per_group
        self.individual_share = self.average_contribution * Constants.efficiency_factor
        for p in self.get_players(): # we have to define it for every player
            p.payoff = p.endowment - p.contribution + self.individual_share



class Player(BasePlayer):
    endowment = models.CurrencyField()
    contribution = models.CurrencyField(min=0)