# ***************************************************************************
# *   Copyright (c) 2018 Bernd Hahnebach <bernd@bimstatik.org>              *
# *   Copyright (c) 2020 Sudhanshu Dubey <sudhanshu.thethunder@gmail.com>   *
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# *   This file is part of the FreeCAD CAx development system.              *
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# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
# *   GNU Library General Public License for more details.                  *
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# *   You should have received a copy of the GNU Library General Public     *
# *   License along with this program; if not, write to the Free Software   *
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# ***************************************************************************

__title__ = "Solver z88 FEM unit tests"
__author__ = "Bernd Hahnebach"
__url__ = "https://www.freecad.org"

import unittest
from os import listdir
from os.path import join
from os.path import isfile

import FreeCAD

import femsolver.run
from . import support_utils as testtools
from .support_utils import fcc_print
from .support_utils import get_namefromdef


class TestSolverZ88(unittest.TestCase):
    fcc_print("import TestSolverZ88")

    # ********************************************************************************************
    def setUp(
        self
    ):
        # setUp is executed before every test

        # new document
        self.document = FreeCAD.newDocument(self.__class__.__name__)

        # more inits
        self.mesh_name = "Mesh"

    # ********************************************************************************************
    def tearDown(
        self
    ):
        # tearDown is executed after every test
        FreeCAD.closeDocument(self.document.Name)

    # ********************************************************************************************
    def test_00print(
        self
    ):
        # since method name starts with 00 this will be run first
        # this test just prints a line with stars

        fcc_print("\n{0}\n{1} run FEM TestSolverFrameWork tests {2}\n{0}".format(
            100 * "*",
            10 * "*",
            55 * "*"
        ))

    # ********************************************************************************************
    def test_ccx_cantilever_ele_hexa20(
        self
    ):
        from femexamples.ccx_cantilever_ele_hexa20 import setup
        setup(self.document, "z88")
        self.inputfile_writing_test(get_namefromdef("test_"))

    # ********************************************************************************************
    def test_ccx_cantilever_ele_tria6(
        self
    ):
        # TODO does pass on my local machine, but not on ci
        return

        from femexamples.ccx_cantilever_ele_tria6 import setup
        setup(self.document, "z88")
        self.inputfile_writing_test(get_namefromdef("test_"))

    # ********************************************************************************************
    def test_ccx_cantilever_faceload(
        self
    ):
        from femexamples.ccx_cantilever_faceload import setup
        setup(self.document, "z88")
        self.inputfile_writing_test(get_namefromdef("test_"))

    # ********************************************************************************************
    def test_ccx_cantilever_nodeload(
        self
    ):
        from femexamples.ccx_cantilever_nodeload import setup
        setup(self.document, "z88")
        self.inputfile_writing_test(get_namefromdef("test_"))

    # ********************************************************************************************
    def inputfile_writing_test(
        self,
        base_name
    ):
        self.document.recompute()

        # start
        fcc_print(
            "\n------------- Start of FEM Z88 tests for {} -------"
            .format(base_name)
        )

        # get analysis working directory and save FreeCAD file
        working_dir = testtools.get_fem_test_tmp_dir("solver_z88_" + base_name)
        save_fc_file = join(working_dir, base_name + ".FCStd")
        fcc_print("Save FreeCAD file to {} ...".format(save_fc_file))
        self.document.saveAs(save_fc_file)

        # write input file
        machine = self.document.SolverZ88.Proxy.createMachine(
            self.document.SolverZ88,
            working_dir,
            True  # set testmode to True
        )
        machine.target = femsolver.run.PREPARE
        machine.start()
        machine.join()  # wait for the machine to finish

        # compare created input files with the given input files
        test_path = join(testtools.get_fem_test_home_dir(), "z88", base_name)
        test_files = [f for f in listdir(test_path) if isfile(join(test_path, f))]
        # fcc_print(sorted(test_files))
        not_files = ["__init__.py"]
        test_files = [f for f in test_files if f not in not_files]
        fcc_print((test_files))
        for test_file in test_files:
            inpfile_given = join(
                test_path,
                test_file
            )
            inpfile_totest = join(
                working_dir,
                test_file
            )
            fcc_print(
                "Comparing {}  to  {}"
                .format(inpfile_given, inpfile_totest)
            )
            ret = testtools.compare_inp_files(
                inpfile_given,
                inpfile_totest
            )
            self.assertFalse(
                ret,
                "Z88 write_inp_file for {0} test failed.\n{1}".format(base_name, ret)
            )

        # end
        fcc_print(
            "--------------- End of FEM Z88 tests for {} ---------"
            .format(base_name)
        )