from extensions import db

class ServiceRolePermission(db.Model):
    __tablename__ = "service_role_permissions"

    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    service_role_id = db.Column(db.Integer, db.ForeignKey('service_roles.id'), nullable=False)
    service_instance_id = db.Column(db.Integer, db.ForeignKey('service_instance.id'), nullable=False)
    permission_id = db.Column(db.Integer, db.ForeignKey('permissions.id'), nullable=False)
    permission_type = db.Column(db.String(255), nullable=False)  # e.g., "read", "write", "delete"
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)  # Adicionando chave estrangeira para 'User'
    created_at = db.Column(db.DateTime, default=db.func.current_timestamp())
    updated_at = db.Column(db.DateTime, default=db.func.current_timestamp(), onupdate=db.func.current_timestamp())

    # Relacionamentos com outras tabelas
    service_role = db.relationship('ServiceRole', backref='service_role_permissions')
    service_instance = db.relationship('ServiceInstance', backref='service_role_permissions')
    permission = db.relationship('Permission', backref='service_role_permissions')

    def __repr__(self):
        return f"<ServiceRolePermission {self.service_role_id} - {self.permission_id}>"