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

from apps.core.models import TimeStampedModel, UUIDModel


class User(AbstractUser, UUIDModel):
    """Application user. Identity may be backed by Odoo via `odoo_partner_id`."""

    phone = models.CharField(max_length=32, blank=True)
    odoo_partner_id = models.CharField(max_length=64, blank=True, db_index=True)

    class Meta:
        ordering = ["username"]

    def __str__(self) -> str:
        return self.username or self.email or str(self.id)


class Customer(UUIDModel, TimeStampedModel):
    """Customer profile keyed to an external (Odoo) identity where available."""

    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name="customer")
    customer_code = models.CharField(max_length=64, unique=True, blank=True, null=True)
    company_name = models.CharField(max_length=200, blank=True)
    category = models.CharField(max_length=64, blank=True, db_index=True)
    odoo_partner_id = models.CharField(max_length=64, blank=True, db_index=True)

    def __str__(self) -> str:
        return self.company_name or str(self.user)