# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2018 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; version 2 of the License.                              #
#                                                                             #
# 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., 59  #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
###############################################################################
"""
Package to test the openlp.core.lib.pluginmanager package.
"""
import sys
from tempfile import mkdtemp
from unittest import TestCase
from unittest.mock import MagicMock, patch

from PyQt5 import QtWidgets

from openlp.core.common import is_win
from openlp.core.common.path import Path
from openlp.core.common.registry import Registry
from openlp.core.common.settings import Settings
from openlp.core.state import State
from openlp.core.lib.pluginmanager import PluginManager
from tests.helpers.testmixin import TestMixin


class TestPluginManager(TestCase, TestMixin):
    """
    Test the PluginManager class
    """

    def setUp(self):
        """
        Some pre-test setup required.
        """
        self.setup_application()
        self.build_settings()
        self.temp_dir_path = Path(mkdtemp('openlp'))
        Settings().setValue('advanced/data path', self.temp_dir_path)
        Registry.create()
        Registry().register('service_list', MagicMock())
        self.main_window = QtWidgets.QMainWindow()
        Registry().register('main_window', self.main_window)

    def tearDown(self):
        Settings().remove('advanced/data path')
        self.destroy_settings()
        del self.main_window
        # On windows we need to manually garbage collect to close sqlalchemy files
        # to avoid errors when temporary files are deleted.
        if is_win():
            import gc
            gc.collect()
        self.temp_dir_path.rmtree()

    @patch('openlp.plugins.songusage.songusageplugin.Manager')
    @patch('openlp.plugins.songs.songsplugin.Manager')
    @patch('openlp.plugins.images.imagesplugin.Manager')
    @patch('openlp.plugins.custom.customplugin.Manager')
    @patch('openlp.plugins.alerts.alertsplugin.Manager')
    @patch('openlp.plugins.bibles.bibleplugin.Manager')
    def test_find_plugins(self, mocked_is1, mocked_is2, mocked_is3, mocked_is4, mocked_is5, mocked_is6):
        """
        Test the find_plugins() method to ensure it imports the correct plugins
        """
        # GIVEN: A plugin manager
        plugin_manager = PluginManager()
        plugin_manager.bootstrap_initialise()

        # WHEN: We mock out sys.platform to make it return "darwin" and then find the plugins
        old_platform = sys.platform
        sys.platform = 'darwin'
        sys.platform = old_platform

        # THEN: We should find the "Songs", "Bibles", etc in the plugins list
        plugin_names = [plugin.name for plugin in State().list_plugins()]
        assert 'songs' in plugin_names, 'There should be a "songs" plugin'
        assert 'bibles' in plugin_names, 'There should be a "bibles" plugin'
        assert 'presentations' in plugin_names, 'There should be a "presentations" plugin'
        assert 'images' in plugin_names, 'There should be a "images" plugin'
        assert 'media' in plugin_names, 'There should be a "media" plugin'
        assert 'custom' in plugin_names, 'There should be a "custom" plugin'
        assert 'songusage'in plugin_names, 'There should be a "songusage" plugin'
        assert 'alerts' in plugin_names, 'There should be a "alerts" plugin'