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


doc = """
This is a standard 2-player trust game where the amount sent by player 1 gets
tripled. The trust game was first proposed by
<a href="http://econweb.ucsd.edu/~jandreon/Econ264/papers/Berg%20et%20al%20GEB%201995.pdf" target="_blank">
    Berg, Dickhaut, and McCabe (1995)
</a>.
"""


class Constants(BaseConstants):
    name_in_url = 'trust'
    players_per_group = 4
    num_rounds = 1

    instructions_template = 'trust/Instructions.html'

    # Initial amount allocated to each player
    endowment = c(10)
    multiplier = 3



class Subsession(BaseSubsession):
    def creating_session(self):
        self.group_randomly(fixed_id_in_group=True)


class Group(BaseGroup):
    sent_amount = models.CurrencyField(
        min=0, max=Constants.endowment,
        doc="""Amount sent by employee""",
    )

    sent_back_amount1 = models.CurrencyField(
        doc="""Amount sent back by leader to A""",
        min=c(0),
    )

    sent_back_amount2 = models.CurrencyField(
        doc="""Amount sent back by leader to B""",
        min=c(0),
    )

    sent_back_amount3 = models.CurrencyField(
        doc="""Amount sent back by leader to C""",
        min=c(0),
    )

    def set_payoffs(self):
        leader = self.get_player_by_id(1)
        employee1 = self.get_player_by_id(2)
        employee2 = self.get_player_by_id(3)
        employee3 = self.get_player_by_id(4)

        leader.payoff = sum([p.sent_amount for p in self.player.sent_amount()]) * Constants.\
            multiplier - self.sent_back_amount1 - self.sent_back_amount2 - self.sent_back_amount3
        employee1.payoff = Constants.endowment - self.sent_amount + self.sent_back_amount1
        employee2.payoff = Constants.endowment - self.sent_amount + self.sent_back_amount2
        employee3.payoff = Constants.endowment - self.sent_amount + self.sent_back_amount3


class Player(BasePlayer):

    def role(self):
        if self.id_in_group == 1:
            return 'leader'
        elif self.id_in_group == 2:
            return 'employee1'
        elif self.id_in_group == 3:
            return 'employee2'
        else:
            return 'employee3'