""" 

This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
"""

__author__ = "Théo de la Hogue"
__credits__ = []
__copyright__ = "Copyright 2023, Ecole Nationale de l'Aviation Civile (ENAC)"
__license__ = "GPLv3"

import unittest
import os

from argaze.ArUcoMarker import ArUcoOpticCalibrator

import numpy

class TestOpticParametersClass(unittest.TestCase):
    """Test OpticParameters class."""

    def test_new(self):
        """Test OpticParameters creation."""

        # Check defaut optic parameters creation
        optic_parameters = ArUcoOpticCalibrator.OpticParameters()

        # Check ArUco optic parameters
        self.assertEqual(optic_parameters.rms, 0.0)

        #self.assertEqual(type(optic_parameters.K), numpy.array)

        self.assertIsNone(numpy.testing.assert_array_equal(optic_parameters.dimensions, [0, 0]))
        self.assertIsNone(numpy.testing.assert_array_equal(optic_parameters.K, ArUcoOpticCalibrator.K0))
        self.assertIsNone(numpy.testing.assert_array_equal(optic_parameters.D, ArUcoOpticCalibrator.D0))

    def test_from_json(self):

        # Edit optic parameters file path
        current_directory = os.path.dirname(os.path.abspath(__file__))
        json_filepath = os.path.join(current_directory, 'utils/optic_parameters.json')

        # Load optic parameters
        optic_parameters = ArUcoOpticCalibrator.OpticParameters.from_json(json_filepath)

        # Check ArUco camera
        self.assertEqual(optic_parameters.rms, 1.0)
        self.assertIsNone(numpy.testing.assert_array_equal(optic_parameters.dimensions, [1920, 1080]))
        self.assertIsNone(numpy.testing.assert_array_equal(optic_parameters.K, [[1.0, 0.0, 1.0], [0.0, 1.0, 1.0], [0.0, 0.0, 1.0]]))
        self.assertIsNone(numpy.testing.assert_array_equal(optic_parameters.D, [-1.0, -0.5, 0.0, 0.5, 1.0]))

if __name__ == '__main__':

    unittest.main()