# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2022 Laurent Monin
# Copyright (C) 2022, 2024 Philipp Wolfer
# Copyright (C) 2022 Jeffrey Bosboom
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.


from typing import Iterator
import unittest

from test.picardtestcase import (
    PicardTestCase,
    get_test_data_path,
)

from picard.disc.eaclog import (
    filter_toc_entries,
    toc_from_file,
)
from picard.disc.utils import (
    NotSupportedTOCError,
    TocEntry,
)
from picard.util import detect as charset_detect


test_log = (
    'TEST LOG',
    ' Track |   Start  |  Length  | Start sector | End sector',
    '---------------------------------------------------------',
    '    1  |  0:00.00 |  5:32.14 |         0    |    24913',
    '    2  |  5:32.14 |  4:07.22 |     24914    |    43460',
    '    3  |  9:39.36 |  3:50.29 |     43461    |    60739',
    '',
    'foo',
)

test_entries = [
    TocEntry(1, 0, 24913),
    TocEntry(2, 24914, 43460),
    TocEntry(3, 43461, 60739),
]


class TestFilterTocEntries(PicardTestCase):

    def test_filter_toc_entries(self):
        result = filter_toc_entries(iter(test_log))
        self.assertTrue(isinstance(result, Iterator))
        entries = list(result)
        self.assertEqual(test_entries, entries)


class TestTocFromFile(PicardTestCase):

    def _test_toc_from_file(self, logfile):
        test_log = get_test_data_path(logfile)
        toc = toc_from_file(test_log)
        self.assertEqual((1, 8, 149323, 150, 25064, 43611, 60890, 83090, 100000, 115057, 135558), toc)

    @unittest.skipUnless(charset_detect, "test requires charset_normalizer or chardet package")
    def test_toc_from_file_eac_windows1251(self):
        self._test_toc_from_file('eac-windows1251.log')

    def test_toc_from_file_eac_utf8(self):
        self._test_toc_from_file('eac-utf8.log')

    def test_toc_from_file_eac_utf16le(self):
        self._test_toc_from_file('eac-utf16le.log')

    def test_toc_from_file_xld(self):
        self._test_toc_from_file('xld.log')

    def test_toc_from_file_freac(self):
        test_log = get_test_data_path('freac.log')
        toc = toc_from_file(test_log)
        self.assertEqual((1, 10, 280995, 150, 27732, 54992, 82825, 108837, 125742, 155160, 181292, 213715, 245750), toc)

    def test_toc_from_file_with_datatrack(self):
        test_log = get_test_data_path('eac-datatrack.log')
        toc = toc_from_file(test_log)
        self.assertEqual((1, 8, 178288, 150, 20575, 42320, 62106, 78432, 94973, 109750, 130111), toc)

    def test_toc_from_file_with_datatrack_freac(self):
        test_log = get_test_data_path('freac-datatrack.log')
        toc = toc_from_file(test_log)
        self.assertEqual((1, 13, 218150, 150, 15014, 33313, 49023, 65602, 81316, 102381, 116294, 133820, 151293, 168952, 190187, 203916), toc)

    def test_toc_from_empty_file(self):
        test_log = get_test_data_path('eac-empty.log')
        with self.assertRaises(NotSupportedTOCError):
            toc_from_file(test_log)