from datetime import datetime

from django.db import models
from django.urls import reverse
from django.utils.text import slugify

# Create your models here.


class City(models.Model):
    name = models.CharField(max_length=150, unique=True, verbose_name="City")

    class Meta:
        verbose_name_plural = "Cities"

    def __str__(self):
        return '{}'.format(self.name)


class Location(models.Model):
    place = models.CharField(max_length=250, blank=True, null=False, verbose_name="Place")
    city = models.ForeignKey(City, on_delete=models.CASCADE, related_name='places', verbose_name="City")

    class Meta:
        verbose_name_plural = "Locations"
        unique_together = ('place', "city")

    def __str__(self):
        if self.place:
            return '{0}, {1}'.format(self.city, self.place)
        else:
            return '{}'.format(self.city)


class Album(models.Model):
    name = models.CharField(max_length=150, unique=True, verbose_name="Album")
    slug = models.SlugField(max_length=150, unique=True, verbose_name="Slug")
    location = models.ForeignKey(Location, blank=True, null=True, on_delete=models.SET_NULL, related_name='albums', verbose_name="Location")
    album_date = models.DateField(default=datetime.now, verbose_name="Album Date")
    is_public = models.BooleanField(default=False, verbose_name="Published")

    def save(self, *args, **kwargs):
        if not self.slug:
            self.slug = slugify(self.name)
        super(Album, self).save(*args, **kwargs)

    def get_absolute_url(self):
        return reverse('gallery:album_url', kwargs={'album_slug': self.slug})

    class Meta:
        verbose_name_plural = "Albums"

    def __str__(self):
        return '{}'.format(self.name)