from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Enum as SQLEnum
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.database import Base
from app.models.enums import TipoLimite


class LimiteTimbre(Base):
    __tablename__ = "limites_timbres"

    id = Column(Integer, primary_key=True, index=True)
    cliente_id = Column(Integer, ForeignKey("clientes.id"), nullable=False)
    
    tipo = Column(SQLEnum(TipoLimite), nullable=False)
    cantidad = Column(Integer, nullable=False)
    
    # Información adicional
    descripcion = Column(String(500))
    activo = Column(Integer, default=1, nullable=False)  # 1=activo, 0=inactivo
    
    # Timestamps
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    inactivado_at = Column(DateTime(timezone=True), nullable=True)
    
    # Relaciones
    cliente = relationship("Cliente", back_populates="limites")

    def __repr__(self):
        return f"<LimiteTimbre Cliente:{self.cliente_id} - {self.tipo}: {self.cantidad}>"