from django.db import models
from django.utils.translation import gettext_lazy as _

from university.db.fields import JSONField


class Question(models.Model):

    TYPE_SINGLE_CHOICE = 0
    TYPE_MUTI_CHOICE = 1
    TYPE_TRUE_FALSE = 2

    question_type = models.SmallIntegerField(
        choices=(
            (TYPE_SINGLE_CHOICE, _('single choice')),
            (TYPE_MUTI_CHOICE, _('muti choice')),
            (TYPE_TRUE_FALSE, _('true or false'))
        ), default=TYPE_SINGLE_CHOICE)
    problem = models.TextField()
    options = JSONField(default=[])
    hint = models.TextField()
    answer = models.CharField(max_length=32)

    class Meta:
        db_table = 'questions'

    def __str__(self):
        return self.problem