from django.contrib.auth.models import User
from django.db import models


class Candidate(models.Model):
    name = models.CharField('Candidate name', max_length=50)
    slug = models.SlugField(max_length=50, unique=True)
    vendor = models.CharField('Vendor name', max_length=50)
    device = models.CharField('Device name', max_length=50)
    release_date = models.DateField()
    description = models.TextField()
    source_url = models.URLField()
    binary_url = models.URLField(blank=True)

    def __str__(self):
        return self.name


class Comment(models.Model):
    candidate = models.ForeignKey(Candidate, on_delete=models.CASCADE)
    user = models.ForeignKey(User, on_delete=models.PROTECT)
    time = models.DateTimeField(auto_now_add=True)
    message = models.TextField()

    def __str__(self):
        return f'{self.candidate.name}, {self.user}, {self.time}'

    class Meta:
        ordering = ['id']