from django.db import models
from django.utils.translation import gettext_lazy as _
from apps.account.models import User



class Quiz(models.Model):
    lesson = models.ForeignKey("course.CourseLesson", verbose_name=_('Lesson'), related_name='quizzes', on_delete=models.CASCADE)
    
    title = models.CharField(max_length=255, verbose_name=_('Title'), help_text=_("Quiz Title"))
    description = models.CharField(max_length=55, blank=True, null=True, verbose_name=_("Description"))
    each_question_timing = models.PositiveIntegerField(verbose_name=_("Each Question Timing"))
    status = models.BooleanField(default=True, verbose_name=_("Status"))


    class Meta:
        verbose_name = _("Quiz")
        verbose_name_plural = _("Quizzes")
        ordering = ("-id",)

    def __str__(self):
        return f"Quiz: {self.id}"

    def __repr__(self):
        return f"Quiz(id={self.id})"


class Question(models.Model):
    CHOICES = [
        (1, _('Option 1')),
        (2, _('Option 2')),
        (3, _('Option 3')),
        (4, _('Option 4')),
    ]

    quiz = models.ForeignKey(Quiz, verbose_name=_('Quiz'), on_delete=models.CASCADE, related_name='questions')
    question = models.CharField(max_length=255, verbose_name=_('Question'))
    option1 = models.CharField(max_length=255, verbose_name=_('Option 1'))
    option2 = models.CharField(max_length=255, verbose_name=_('Option 2'))
    option3 = models.CharField(max_length=255, verbose_name=_('Option 3'))
    option4 = models.CharField(max_length=255, verbose_name=_('Option 4'))
    correct_answer = models.PositiveSmallIntegerField(choices=CHOICES, verbose_name=_('Correct Answer'))
    created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('Created At'))
    priority = models.IntegerField(null=True, blank=True, verbose_name=_('Priority'))


    class Meta:
        verbose_name = _("Question")
        verbose_name_plural = _("Questions")
        ordering = ("-priority", "-id",)

    def __str__(self):
        return self.question

    def __repr__(self):
        return f"Question(id={self.id})"


class QuizRankUser(User):
    class Meta:
        proxy = True
        verbose_name = _('Rank Quiz')
        verbose_name_plural = _('Rank Quizzes')