import uuid

from django.db import models
from django.contrib.auth import get_user_model



class Product(models.Model):
    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    name = models.CharField(max_length=256)

    recurring_period = models.CharField(max_length=256,
                                        choices = (
                                            ("per_year", "Per Year"),
                                            ("per_month", "Per Month"),
                                            ("per_week", "Per Week"),
                                            ("per_day", "Per Day"),
                                            ("per_hour", "Per Hour"),
                                            ("not_recurring", "Not recurring")
                                        ),
                                        default="not_recurring"
    )

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



class Feature(models.Model):
    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    name = models.CharField(max_length=256)

    recurring_price = models.FloatField(default=0)
    one_time_price = models.FloatField()

    product = models.ForeignKey(Product, on_delete=models.CASCADE)

    def __str__(self):
        return "'{}' - '{}'".format(self.product, self.name)


class Order(models.Model):
    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)

    owner = models.ForeignKey(get_user_model(),
                              on_delete=models.CASCADE)

    product = models.ForeignKey(Product,
                                on_delete=models.CASCADE)


class OrderReference(models.Model):
    """
    An order can references another product / relate to it.
    This model is used for the relation
    """

    pass