from django.db import models
from django.utils.translation import gettext_lazy as _
from django_scopes import ScopedManager
from scopedsites.models import Domain
from xenua.django.models import RandomSlugPKMixin


class ShortLink(RandomSlugPKMixin, models.Model):
    class Meta:
        unique_together = ('domain', 'location')

    domain = models.ForeignKey(Domain, related_name='links', on_delete=models.CASCADE)
    location = models.CharField(_("short link"), max_length=100)
    to = models.URLField(_("redirect to"), max_length=2500)
    click_count = models.IntegerField(default=0)

    objects = ScopedManager(domain='domain')

    def click(self):  # todo: replace with cache + regular cleanup impl
        self.click_count += 1
        self.save()

    def link(self):
        return f"{self.domain.fqdn}/{self.location}"