# SPDX-License-Identifier: LGPL-2.1-or-later

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# *   Copyright (c) 2019 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
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"""Unit tests for the Draft Workbench, SVG import and export tests."""

## @package test_svg
# \ingroup drafttests
# \brief Unit tests for the Draft Workbench, SVG import and export tests.

## \addtogroup drafttests
# @{

import os
import unittest

import FreeCAD as App
import Draft
from drafttests import auxiliary as aux
from drafttests import test_base
from draftutils.messages import _msg

try:
    import Arch
except ModuleNotFoundError:
    have_arch = False
else:
    have_arch = True


class DraftSVG(test_base.DraftTestCaseDoc):
    """Test reading and writing of SVGs with Draft."""

    def test_read_svg(self):
        """Read an SVG file and import its elements as Draft objects."""
        operation = "importSVG.import"
        _msg("  Test '{}'".format(operation))
        _msg("  This test requires an SVG file to read.")

        file = "Mod/Draft/drafttest/test.svg"
        in_file = os.path.join(App.getResourceDir(), file)
        _msg("  file={}".format(in_file))
        _msg("  exists={}".format(os.path.exists(in_file)))

        obj = aux.fake_function(in_file)
        self.assertTrue(obj, "'{}' failed".format(operation))

    def test_export_svg(self):
        """Create some figures and export them to an SVG file."""
        operation = "importSVG.export"
        _msg("  Test '{}'".format(operation))

        file = "Mod/Draft/drafttest/out_test.svg"
        out_file = os.path.join(App.getResourceDir(), file)
        _msg("  file={}".format(out_file))
        _msg("  exists={}".format(os.path.exists(out_file)))

        obj = aux.fake_function(out_file)
        self.assertTrue(obj, "'{}' failed".format(operation))

    @unittest.skipIf(not have_arch, "BIM module is not installed")
    def test_get_svg_from_arch_space_with_zero_vector(self):
        """Try to get a svg string from an Arch Space with a zero-vector as direction."""
        import Part
        import Draft

        sb = Part.makeBox(1, 1, 1)
        b = self.doc.addObject("Part::Feature", "Box")
        b.Shape = sb

        s = Arch.makeSpace(b)
        self.doc.recompute()

        try:
            Draft.get_svg(s, direction=App.Vector(0, 0, 0))
        except AttributeError as err:
            self.fail("Cryptic exception thrown: {}".format(err))
        except ValueError as err:
            App.Console.PrintLog("Exception thrown, OK: {}".format(err))
        else:
            self.fail("no exception thrown")


## @}