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

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2015 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.
"""
from optparse import Values
import os

from unittest import TestCase
from unittest.mock import MagicMock, patch
from PyQt4 import QtCore, QtGui

from openlp.core import OpenLP, parse_options
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 event_test(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.")

    def backup_on_upgrade_first_install_test(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_application_version') as mocked_get_application_version,\
                patch('openlp.core.QtGui.QMessageBox.question') as mocked_question:
            mocked_get_application_version.return_value = MOCKED_VERSION
            mocked_question.return_value = QtGui.QMessageBox.No

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

            # 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 backup_on_upgrade_test(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')
        with patch('openlp.core.get_application_version') as mocked_get_application_version,\
                patch('openlp.core.QtGui.QMessageBox.question') as mocked_question:
            mocked_get_application_version.return_value = MOCKED_VERSION
            mocked_question.return_value = QtGui.QMessageBox.No

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

            # 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!')

    def parse_options_short_options_test(self):
        """
        Test that parse_options parses short options correctly
        """
        # GIVEN: A list of vaild short options
        options = ['-e', 'extra', '-l', 'debug', 'qt', '-pd', 'args', '-s', 'style']

        # WHEN: Calling parse_options
        resluts = parse_options(options)

        # THEN: A tuple should be returned with the parsed options and left over args
        self.assertEqual(resluts, (Values({'no_error_form': True, 'dev_version': True, 'portable': True,
                                           'style': 'style', 'loglevel': 'debug'}),['extra', 'qt', 'args']))