from django.db import models
from django.contrib.auth.models import User
from django.db.models.signals import post_save
from django.dispatch import receiver
import datetime
from django.utils.translation import gettext as _
from django.core.files.storage import FileSystemStorage
from django.conf import settings
from django import forms

"""
    operation codes:
        0: operation didn't start
        1: operation beginned, on queue
        2: operation in process
        3: operation finished
"""
class Operation(models.Model):

    file_comments = models.CharField(max_length=250, default="")
    file_path = models.CharField(max_length=250, default="")
    file_name = models.CharField(max_length=100, default="")
    password = models.CharField(max_length=256, default="")
    date = models.DateField(_("Date"), default=datetime.date.today)
    operation_status = models.PositiveSmallIntegerField(default=0)
    owner = models.CharField(max_length=250, default="")

    file = models.FileField(storage=FileSystemStorage(location=settings.MEDIA_ROOT), default='settings.MEDIA_ROOT/temp.txt')

class Client(models.Model):

    user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
    #op = models.ForeignKey(Operation, related_name ="operation", on_delete=models.CASCADE)

@receiver(post_save, sender=User)
def create_user_profile(sender, instance, created, **kwargs):
    if created:
        Client.objects.create(user=instance)

@receiver(post_save, sender=User)
def save_user_profile(sender, instance, **kwargs):
    instance.client.save()