import uuid
from sqlalchemy import Column, String, DateTime, ForeignKey
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

class Documento(Base):
    __tablename__ = 'documentos'

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, unique=True, nullable=False)
    nome_arquivo = Column(String, nullable=False)
    caminho_arquivo = Column(String, nullable=False)  # armazena o caminho do arquivo original
    usuario_id = Column(Integer, ForeignKey('users.id'), nullable=False)
    criado_em = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)

    usuario = relationship('User', back_populates='documentos')