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

import random



class Constants(BaseConstants):
    name_in_url = 'double_auction_intro'
    players_per_group = None
    num_rounds = 1


    instructions_template = 'double_auction_intro/Instructions.html'



class Subsession(BaseSubsession):
    pass

class Group(BaseGroup):
    pass
class Player(BasePlayer):

    Q1_1 = models.IntegerField(label="")
    Q1_2 = models.FloatField(label="")

    Q2 = models.IntegerField(label="",choices=[
        [1, "No transaction is possible."],
        [2, "The transaction takes place and you sell to that buyer 2 packages at 10 units of currency A."],
        [3, "The transaction takes place and you sell to that buyer 2 packages at 18 units of currency A."],
        [4, "The transaction takes place and you sell to that buyer 3 packages at 10 units of currency A."],
        [5, "The transaction takes place and you sell to that buyer 3 packages at 18 units of currency A."],
        [6, "We do not have enough information to say whether a transaction can take place."]
    ])


    Q3 = models.IntegerField(label="",blank=True,choices=[
        [1, '500 units of currency A and 1350 units of currency B.'],
        [2, '1250 units of currency A and 100 units of currency B.'],
        [3, '500 units of currency A and 350 units of currency B.'],
        [4, '500 units of currency A and 600 units of currency B.']
    ])

    def Currency_symbol(self):
        if  self.session.config['experiment_country'].upper() == 'CAD':
            #return dollar sign
            return '$'
        elif self.session.config['experiment_country'].upper() == 'EUR':
            #return euro sign
            return '€'

    def Currency_name(self):
        if self.session.config['experiment_country'].upper() == 'CAD':
            # return dollar sign
            return 'Canadian dollar'
        elif self.session.config['experiment_country'].upper() == 'EUR':
            # return euro sign
            return 'Euro'

    def Currency_exchange_on(self):
        if self.session.config['currency_exchange_on'] == 1:
            # return dollar sign
            return 1
        elif self.session.config['currency_exchange_on'] == 0:
            # return euro sign
            return 0

    def Currency_contact_info(self):
        if self.session.config['experiment_country'].upper() == 'CAD':
            # return dollar sign
            return 'email address'
        elif self.session.config['experiment_country'].upper() == 'EUR':
            # return euro sign
            return 'IBAN'

    def inflation_info(self):
        if self.session.config['inflation_on'] == 1:
            return ""
        else:
            return "hidden"