# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# IfcOpenShell is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.

import ifcopenshell.api
from typing import Optional


def add_structural_load(
    file: ifcopenshell.file, name: Optional[str] = None, ifc_class: str = "IfcStructuralLoadLinearForce"
) -> ifcopenshell.entity_instance:
    """Adds a new structural load

    Structural loads may be actions or reactions. A simple load might be a
    static and be linear, planar, or a single point. Alternatively, loads
    may be defined as a configuration of multiple loads.

    :param name: The name of the load
    :type name: str,optional
    :param ifc_class: The subtype of IfcStructuralLoad to create. Consult
        the IFC documentation to see all the types of loads.
    :type ifc_class: str
    :return: The newly created load entity, depending on the ifc_class
        specified.
    :rtype: ifcopenshell.entity_instance

    Example:

    .. code:: python

        # Create a simple linear load
        ifcopenshell.api.structural.add_structural_load(model)
    """
    return file.create_entity(ifc_class, Name=name)