# ***************************************************************************
# *   Copyright (c) 2021 Bernd Hahnebach <bernd@bimstatik.org>              *
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# *   This file is part of the FreeCAD CAx development system.              *
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__title__ = "Mystran add femelement materials"
__author__ = "Bernd Hahnebach"
__url__ = "http://www.freecad.org"

## \addtogroup FEM
#  @{


from FreeCAD import Units


def add_femelement_material(f, model, mystran_writer):

    # generate pyNastran code
    # only use the first material object
    mat_obj = mystran_writer.member.mats_linear[0]["Object"]
    YM = Units.Quantity(mat_obj.Material["YoungsModulus"])
    YM_in_MPa = YM.getValueAs("MPa").Value
    PR = float(mat_obj.Material["PoissonRatio"])
    pynas_code = "# mat1 card, material properties for linear isotropic material\n"
    pynas_code += (
        "mat = model.add_mat1(mid=1, E={:.1f}, G=None, nu={})\n\n\n"
        .format(YM_in_MPa, PR)
    )

    # write the pyNastran code
    f.write(pynas_code)

    # execute pyNastran code to add data to the model
    # print(model.get_bdf_stats())
    exec(pynas_code)
    # print(model.get_bdf_stats())

    return model


##  @}