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

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2017 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.__init__ package.
"""
import os
from unittest import TestCase
from unittest.mock import MagicMock, patch

from PyQt5 import QtCore, QtWidgets

from openlp.core import OpenLP
from openlp.core.common import Settings

from tests.helpers.testmixin import TestMixin

TEST_PATH = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'resources'))


class TestInit(TestCase, TestMixin):
    def setUp(self):
        self.build_settings()
        with patch('openlp.core.common.OpenLPMixin.__init__') as constructor:
            constructor.return_value = None
            self.openlp = OpenLP(list())

    def tearDown(self):
        self.destroy_settings()
        del self.openlp

    def test_event(self):
        """
        Test the reimplemented event method
        """
        # GIVEN: A file path and a QEvent.
        file_path = os.path.join(TEST_PATH, 'church.jpg')
        mocked_file_method = MagicMock(return_value=file_path)
        event = QtCore.QEvent(QtCore.QEvent.FileOpen)
        event.file = mocked_file_method

        # WHEN: Call the vent method.
        result = self.openlp.event(event)

        # THEN: The path should be inserted.
        self.assertTrue(result, "The method should have returned True.")
        mocked_file_method.assert_called_once_with()
        self.assertEqual(self.openlp.args[0], file_path, "The path should be in args.")

    @patch('openlp.core.is_macosx')
    def test_application_activate_event(self, mocked_is_macosx):
        """
        Test that clicking on the dock icon on Mac OS X restores the main window if it is minimized
        """
        # GIVEN: Mac OS X and an ApplicationActivate event
        mocked_is_macosx.return_value = True
        event = MagicMock()
        event.type.return_value = QtCore.QEvent.ApplicationActivate
        mocked_main_window = MagicMock()
        self.openlp.main_window = mocked_main_window

        # WHEN: The icon in the dock is clicked
        result = self.openlp.event(event)

        # THEN:
        self.assertTrue(result, "The method should have returned True.")
        # self.assertFalse(self.openlp.main_window.isMinimized())

    def test_backup_on_upgrade_first_install(self):
        """
        Test that we don't try to backup on a new install
        """
        # GIVEN: Mocked data version and OpenLP version which are the same
        old_install = False
        MOCKED_VERSION = {
            'full': '2.2.0-bzr000',
            'version': '2.2.0',
            'build': 'bzr000'
        }
        Settings().setValue('core/application version', '2.2.0')
        with patch('openlp.core.get_version') as mocked_get_version,\
                patch('openlp.core.QtWidgets.QMessageBox.question') as mocked_question:
            mocked_get_version.return_value = MOCKED_VERSION
            mocked_question.return_value = QtWidgets.QMessageBox.No

            # WHEN: We check if a backup should be created
            self.openlp.backup_on_upgrade(old_install, False)

            # THEN: It should not ask if we want to create a backup
            self.assertEqual(Settings().value('core/application version'), '2.2.0', 'Version should be the same!')
            self.assertEqual(mocked_question.call_count, 0, 'No question should have been asked!')

    def test_backup_on_upgrade(self):
        """
        Test that we try to backup on a new install
        """
        # GIVEN: Mocked data version and OpenLP version which are different
        old_install = True
        MOCKED_VERSION = {
            'full': '2.2.0-bzr000',
            'version': '2.2.0',
            'build': 'bzr000'
        }
        Settings().setValue('core/application version', '2.0.5')
        self.openlp.splash = MagicMock()
        self.openlp.splash.isVisible.return_value = True
        with patch('openlp.core.get_version') as mocked_get_version, \
                patch('openlp.core.QtWidgets.QMessageBox.question') as mocked_question:
            mocked_get_version.return_value = MOCKED_VERSION
            mocked_question.return_value = QtWidgets.QMessageBox.No

            # WHEN: We check if a backup should be created
            self.openlp.backup_on_upgrade(old_install, True)

            # THEN: It should ask if we want to create a backup
            self.assertEqual(Settings().value('core/application version'), '2.2.0', 'Version should be upgraded!')
            self.assertEqual(mocked_question.call_count, 1, 'A question should have been asked!')
            self.openlp.splash.hide.assert_called_once_with()
            self.openlp.splash.show.assert_called_once_with()