# -*- coding: utf-8 -*-

##########################################################################
# OpenLP - Open Source Lyrics Projection                                 #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2021 OpenLP Developers                              #
# ---------------------------------------------------------------------- #
# 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/>. #
##########################################################################
"""
This module contains tests for the OpenLyrics song importer.
"""
import shutil
from pathlib import Path
from tempfile import mkdtemp
from unittest.mock import MagicMock, patch

import pytest

# from openlp.core.common.registry import Registry
from openlp.plugins.songs.lib.openlyricsexport import OpenLyricsExport


@pytest.fixture
def temp_folder():
    temp_path = Path(mkdtemp())
    yield temp_path
    shutil.rmtree(temp_path)


def test_export_same_filename(registry, settings, temp_folder):
    """
    Test that files is not overwritten if songs has same title and author
    """
    # GIVEN: A mocked song_to_xml, 2 mocked songs, a mocked application and an OpenLyricsExport instance
    with patch('openlp.plugins.songs.lib.openlyricsexport.OpenLyrics.song_to_xml') as mocked_song_to_xml:
        mocked_song_to_xml.return_value = '<?xml version="1.0" encoding="UTF-8"?>\n<empty/>'
        author = MagicMock()
        author.display_name = 'Test Author'
        song = MagicMock()
        song.authors = [author]
        song.title = 'Test Title'
        parent = MagicMock()
        parent.stop_export_flag = False
        # mocked_application_object = MagicMock()
        # Registry().register('application', mocked_application_object)
        ol_export = OpenLyricsExport(parent, [song, song], temp_folder)

        # WHEN: Doing the export
        ol_export.do_export()

        # THEN: The exporter should have created 2 files
        assert (temp_folder / '{title} ({display_name}).xml'.format(
            title=song.title, display_name=author.display_name)).exists() is True
        assert (temp_folder / '{title} ({display_name})-1.xml'.format(
            title=song.title, display_name=author.display_name)).exists() is True


def test_export_sort_of_authers_filename(registry, settings, temp_folder):
    """
    Test that files is not overwritten if songs has same title and author
    """
    # GIVEN: A mocked song_to_xml, 1 mocked songs, a mocked application and an OpenLyricsExport instance
    with patch('openlp.plugins.songs.lib.openlyricsexport.OpenLyrics.song_to_xml') as mocked_song_to_xml:
        mocked_song_to_xml.return_value = '<?xml version="1.0" encoding="UTF-8"?>\n<empty/>'
        authorA = MagicMock()
        authorA.display_name = 'a Author'
        authorB = MagicMock()
        authorB.display_name = 'b Author'
        songA = MagicMock()
        songA.authors = [authorA, authorB]
        songA.title = 'Test Title'
        songB = MagicMock()
        songB.authors = [authorB, authorA]
        songB.title = 'Test Title'

        parent = MagicMock()
        parent.stop_export_flag = False
        # mocked_application_object = MagicMock()
        # Registry().register('application', mocked_application_object)
        ol_export = OpenLyricsExport(parent, [songA, songB], temp_folder)

        # WHEN: Doing the export
        ol_export.do_export()

        # THEN: The exporter orders authers
        assert (temp_folder / '{title} ({display_name}).xml'.format(
            title=songA.title,
            display_name=", ".join([authorA.display_name, authorB.display_name])
        )).exists() is True
        assert (temp_folder / '{title} ({display_name})-1.xml'.format(
            title=songB.title,
            display_name=", ".join([authorA.display_name, authorB.display_name])
        )).exists() is True


def test_export_is_stopped(registry, settings, temp_folder):
    """
    Test that the exporter stops when the flag is set
    """
    # GIVEN: A mocked song_to_xml, a mocked song, a mocked application and an OpenLyricsExport instance
    with patch('openlp.plugins.songs.lib.openlyricsexport.OpenLyrics.song_to_xml') as mocked_song_to_xml:
        mocked_song_to_xml.return_value = '<?xml version="1.0" encoding="UTF-8"?>\n<empty/>'
        author = MagicMock()
        author.display_name = 'Test Author'
        song = MagicMock()
        song.authors = [author]
        song.title = 'Test Title'
        parent = MagicMock()
        parent.stop_export_flag = True
        # mocked_application_object = MagicMock()
        # Registry().register('application', mocked_application_object)
        ol_export = OpenLyricsExport(parent, [song, song], temp_folder)

        # WHEN: Doing the export
        ol_export.do_export()

        # THEN: The exporter should not have created any files
        assert (temp_folder / '{title} ({display_name}).xml'.format(
            title=song.title, display_name=author.display_name)).exists() is False