from django.db import models
from Sistemas.models import Sistema


class ClientesA24(models.Model):
    RFC = models.CharField(max_length=13, unique=True)
    Nombre = models.CharField(max_length=100)
    Activo = models.BooleanField(default=False)
    fecha_baja = models.DateField(blank=True,null=True)
    class Meta:
        ordering = ('-Activo','RFC',)
    def __str__(self):
        return self.Nombre
    
class Sistemas_por_cliente_A24(models.Model):
    id_sistema= models.ForeignKey(Sistema, related_name='sistema_spc_IMMEX', on_delete=models.CASCADE)
    cliente   = models.ForeignKey(ClientesA24, related_name='cliente_spc_IMMEX', on_delete=models.CASCADE)
    num_licencias= models.IntegerField(default=1)
    def __str__(self):
        return f'{self.cliente.Nombre}'
    class Meta:
        ordering= ('-cliente','id_sistema')
        unique_together = ('id_sistema', 'cliente')