from otree.api import *

doc = """
This is a standard 2-player trust game where the amount sent by player 1 gets
doubled. 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 C(BaseConstants):
    NAME_IN_URL = 'luottamus'
    PLAYERS_PER_GROUP = 2
    NUM_ROUNDS = 1
    INSTRUCTIONS_TEMPLATE = 'luottamus/instructions.html'
    # Initial amount allocated to each player
    ENDOWMENT = cu(100)
    MULTIPLIER = 2


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    sent_amount = models.CurrencyField(
        min=0,
        max=C.ENDOWMENT,
        doc="""Amount sent by P1""",
        label="Kirjoita luku väliltä 0-100:",
    )
    sent_back_amount = models.CurrencyField(
        doc="""Amount sent back by P2""",
        min=cu(0),
        max=C.ENDOWMENT,
        label="Lähetä takaisin:",
    )

class Player(BasePlayer):
    ID_quest = models.StringField(
        initial='',
        label='''
        Kirjoita <b> tunnistekoodisi</b> (7 numeroa/kirjainta) 
        <br>
        <em> Vihje: Isoäitisi/äitisi nimen kaksi ensimmäistä kirjainta, syntymäpäiväsi, ensimmäisen koulusi nimen kaksi ensimmäistä kirjainta sekä sukunimesi kolmas kirjain.</em>'''
        )
    eval2 = models.IntegerField(
        label='Kirjoita koevaluutan pistemäärä, joka vastaa 1 euroa ',
        min=1, max=100
    )




# FUNCTIONS
def sent_back_amount_max(group: Group):
    return group.sent_amount * C.MULTIPLIER + C.ENDOWMENT


def set_payoffs(group: Group):
    p1 = group.get_player_by_id(1)
    p2 = group.get_player_by_id(2)
    p1.payoff = C.ENDOWMENT - group.sent_amount + group.sent_back_amount
    p2.payoff = C.ENDOWMENT + group.sent_amount * C.MULTIPLIER - group.sent_back_amount


# PAGES
class IDcode(Page):
    form_model = 'player'
    form_fields = ['ID_quest']


class Experiment_ID(Page):
    pass


class Introtest(Page):
    """This page is for test amount sent for all participants """
    form_model = 'player'
    form_fields = ['eval2']


class Introduction(Page):
    pass

class Send(Page):
    """This page is only for P1
    P1 sends amount (all, some, or none) to P2
    This amount is doubled by experimenter,
    i.e if sent amount by P1 is 5, amount received by P2 is 10"""

    form_model = 'group'
    form_fields = ['sent_amount']

    @staticmethod
    def is_displayed(player: Player):
        return player.id_in_group == 1


#class SendBackWaitPage(WaitPage):
    #pass

class SendBackWaitPage(WaitPage):
    template_name = 'luottamus/TrustWaitPage.html'

class SendBack(Page):
    """This page is only for P2
    P2 sends back some amount (of the doubled amount received) to P1"""

    form_model = 'group'
    form_fields = ['sent_back_amount']

    @staticmethod
    def is_displayed(player: Player):
        return player.id_in_group == 2

    @staticmethod
    def vars_for_template(player: Player):
        group = player.group

        doubled_amount = group.sent_amount * C.MULTIPLIER
        return dict(doubled_amount=doubled_amount)


class ResultsWaitPage(WaitPage):
        after_all_players_arrive = set_payoffs


class Results(Page):
    """This page displays the earnings of each player"""

    @staticmethod
    def vars_for_template(player: Player):
        group = player.group

        return dict(doubled_amount=group.sent_amount * C.MULTIPLIER)


page_sequence = [
    IDcode,
    Experiment_ID,
    Introtest,
    Introduction,
    Send,
    SendBackWaitPage,
    SendBack,
    ResultsWaitPage,
    Results,

]