from django.db import models
from django.contrib.auth import get_user_model
from django.db.models.signals import post_save
from django.dispatch import receiver
from accounts.models import GuestEmail

User = get_user_model()


class BillingProfileManager(models.Manager):
    def new_or_get(self, request):
        created = False
        obj = None
        guest_email_id = request.session.get("guest_email_id")
        if request.user.is_authenticated():
            'logged in user checkout'
            obj, created = self.model.objects.get_or_create(
                user=request.user,
                email=request.user.email
            )
        elif guest_email_id is not None:
            'guest user checkout'
            print(guest_email_id)
            guest_email_obj = GuestEmail.objects.get(id=guest_email_id)
            obj, created = self.model.objects.get_or_create(
                email=guest_email_obj.email
            )
        else:
            pass
        return obj, created


class BillingProfile(models.Model):
    user = models.ForeignKey(User, unique=True, null=True, blank=True)
    email = models.EmailField()
    active = models.BooleanField(default=True)
    time = models.DateTimeField(auto_now_add=True)
    update = models.DateTimeField(auto_now_add=True)

    objects = BillingProfileManager()

    def __str__(self):
        return self.email


@receiver(post_save, sender=User)
def user_create(sender, instance, created, *args, **kwargs):
    if created:
        BillingProfile.objects.get_or_create(user=instance)