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

import uuid

# class ArticleLayout(models.Model):
#     """A model that stores possible article layouts."""
#     name = models.CharField(max_length=255)
#     author = models.OneToOneField(
#         User, on_delete=models.SET_NULL, blank=True, null=True)
#     created = models.DateTimeField(auto_now_add=True)
#     modified = models.DateTimeField(auto_now_add=True)

#     def __str__(self):
#         """Return the name of the article layout."""
#         return f"{self.name}"


class ArticleLayout(models.TextChoices):
    BOOTSTRAP3 = "bootstrap3"
    GITHUB = "github"
    JASONM23_DARK = "jasonm23-dark"
    JASONM23_FOGHORN = "jasonm23-foghorn"
    JASONM23_MARKDOWN = "jasonm23-markdown"
    JASONM23_SWISS = "jasonm23-swiss"
    MARC = "marc"
    MARKEDAPP_BYWORD = "markedapp-byword"
    MIXU_BOOK = "mixu-book"
    MIXU_BOOTSTRAP_2COL = "mixu_bootstrap-2col"
    MIXU_BOOTSTRAP = "mixu-bootstrap"
    MIXU_GRAY = "mixu-gray"
    MIXU_PAGE = "mixu-page"
    MIXU_RADAR = "mixu-radar"
    RORYG_GHOSTWRITER = "roryg_ghostwriter"
    THOMASF_SOLARIZEDCSSDARK = "thomasf_solarizedcssdark"
    THOMASF_SOLARIZEDCSSLIGHT = "thomasf_solarizedcsslight"


class Article(models.Model):
    """A model to store markdown files."""

    title = models.CharField(max_length=255, unique=True)
    # file = models.FileField(upload_to='article/')
    content = models.TextField(null=True)

    author = models.OneToOneField(
        User, on_delete=models.SET_NULL, blank=True, null=True
    )
    public = models.BooleanField(default=False)
    description = models.TextField(null=True, blank=True)

    view_count = models.PositiveIntegerField(default=0)
    like_count = models.PositiveIntegerField(default=0)
    dislike_count = models.PositiveIntegerField(default=0)
    update_count = models.PositiveIntegerField(default=0)  # version
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)
    read = models.DateTimeField(null=True)
    layout = models.CharField(
        max_length=255, choices=ArticleLayout.choices, default=ArticleLayout.MARC
    )
    # Unique way to identify an article which never changes
    # uuid = models.UUIDField(
    #     editable=False, unique=True, default=uuid.uuid4)

    class Meta:
        ordering = ["title"]

    def __str__(self):
        """Return the title of the article."""
        return f"{self.title}"

    def update_article(self):
        """Update the article fields for new version."""
        self.update_count += 1
        self.updated = timezone.now()

    def update_view(self):
        """Update the article fields for new view."""
        self.view_count += 1
        self.read = timezone.now()

    # @property
    # def preview(self, n=500):
    #     """"""


# class WritersGroup
# article = models.ForeignKey(ArticleModel)