""" 

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

from argaze import GazeFeatures
from argaze.GazeAnalysis import Entropy, TransitionMatrix
from argaze.utils import UtilsFeatures

GazeFeaturesTest = UtilsFeatures.import_from_test_package('GazeFeatures')

class TestAOIScanPathAnalyzer(unittest.TestCase):
    """Test AOIScanPathAnalyzer class."""

    def test_analyze(self):
        """Test analyze method."""

        transition_matrix_analyser = TransitionMatrix.AOIScanPathAnalyzer()
        entropy_analyzer = Entropy.AOIScanPathAnalyzer(transition_matrix_analyser)
        
        aoi_scan_path = GazeFeaturesTest.build_aoi_scan_path(['Foo', 'Bar', 'Shu'], ['Bar', 'Shu', 'Foo', 'Bar', 'Shu', 'Foo', 'Bar', 'Shu', 'Foo'])

        # Check aoi scan path
        self.assertEqual(len(aoi_scan_path), 9)

        transition_matrix_analyser.analyze(aoi_scan_path)
        entropy_analyzer.analyze(aoi_scan_path)

        # Check entropy analysis
        self.assertAlmostEqual(entropy_analyzer.stationary_entropy, 1.09, 1)
        self.assertAlmostEqual(entropy_analyzer.transition_entropy, 0, 1)

if __name__ == '__main__':

    unittest.main()