from django.db import models
from main.models import Product

class Order(models.Model):
    first_name = models.CharField(max_length=50)
    last_name = models.CharField(max_length=50)
    email = models.EmailField()
    address = models.CharField(max_length=250)
    postal_code = models.CharField(max_length=22)
    city = models.CharField(max_length=100)
    phone = models.CharField(max_length=20, blank=True)  # Добавлено поле для номера телефона
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)
    paid = models.BooleanField(default=False)

    class Meta:
        ordering = ['-created']
        indexes = [
            models.Index(fields=['-created']),
        ]

    def __str__(self):
        return f'Order {self.id}'

    def get_total_cost(self):
        return sum(item.get_cost() for item in self.items.all())


class OrderItem(models.Model):
    order = models.ForeignKey(Order, related_name='items', on_delete=models.CASCADE)
    product = models.ForeignKey(Product, related_name='order_items', on_delete=models.CASCADE)
    price = models.IntegerField(max_length=19)
    quantity = models.PositiveIntegerField(default=1)

    def __str__(self):
        return str(self.id)

    def get_cost(self):
        return self.price * self.quantity