class Entry(models.Model):
    DELIVERY_METHODS = (
        ('No Shipping Needed', 'No Shipping Needed'),
        ('Standard Shipping', 'Standard Shipping'),
        ('Cargo Shipping', 'Cargo Shipping'),
    )
    name = models.CharField(max_length=250)
    sr_no = models.IntegerField()
    milestone = models.CharField(max_length=100)
    inspection_period = models.IntegerField()
    #delivery_type =  models.CharField(max_length=100, choices=DELIVERY_METHODS)
    shipping_price = models.IntegerField()
    unit_price = models.IntegerField()
    description = models.TextField()


    class Meta:
        #verbose_name = "Child"
        #verbose_name_plural = "Children"
        abstract = True
    def __str__(self):
        return self.name


class Post(models.Model):
    SHIPPING_METHODS = (
        ('Courier', 'Courier'),
        ('None', 'None'),
    )
    SHIPPING_PAYMENTS = (
        ('Buyer', 'Buyer'),
        ('Seller', 'Seller'),
        ('Shipping Cost', 'Shipping Cost'),
    )
    ESCROW_PAYMENTS = (
        ('Buyer', 'Buyer'),
        ('Seller', 'Seller'),
        ('50 - 50', '50 Buyer - 50 Seller'),
    )
    #_id = models.ObjectIdField()
    title = models.CharField(max_length=100)
    content = models.TextField()
    date_posted = models.DateTimeField(default=timezone.now)
    author = models.ForeignKey(User, on_delete=models.CASCADE)

    type_of_transaction = models.CharField(max_length=100)
    user_email = models.CharField(max_length=100)
    buyer_phone_number = models.CharField(max_length=12, default=None)
    price = models.IntegerField()
    shipping_method = models.CharField(max_length=7, choices=SHIPPING_METHODS)
    entry = models.EmbeddedField(model_container=Entry,)
    objects = models.DjongoManager()

    def __str__(self):
        return self.title
    
    def get_absolute_url(self):
        return reverse('post-detail', kwargs={'pk': self.pk})