"""
Package to test the openlp.core.ui.mainwindow package.
"""
from unittest import TestCase
from mock import MagicMock, patch

from PyQt4 import QtCore, QtGui, QtTest

from openlp.core.lib import Registry
from openlp.core.ui.mainwindow import MainWindow


class TestMainWindow(TestCase):

    def setUp(self):
        """
        Create the UI
        """
        Registry.create()
        self.registry = Registry()
        self.app = QtGui.QApplication([])
        # Mock cursor busy/normal methods.
        self.app.set_busy_cursor = MagicMock()
        self.app.set_normal_cursor = MagicMock()
        self.app.args =[]
        Registry().register(u'application', self.app)
        # Mock classes and methods used by mainwindow.
        with patch(u'openlp.core.ui.mainwindow.SettingsForm') as mocked_settings_form, \
                patch(u'openlp.core.ui.mainwindow.ImageManager') as mocked_image_manager, \
                patch(u'openlp.core.ui.mainwindow.SlideController') as mocked_slide_controller, \
                patch(u'openlp.core.ui.mainwindow.OpenLPDockWidget') as mocked_dock_widget, \
                patch(u'openlp.core.ui.mainwindow.QtGui.QToolBox') as mocked_q_tool_box_class, \
                patch(u'openlp.core.ui.mainwindow.QtGui.QMainWindow.addDockWidget') as mocked_add_dock_method, \
                patch(u'openlp.core.ui.mainwindow.ServiceManager') as mocked_slervice_manager, \
                patch(u'openlp.core.ui.mainwindow.ThemeManager') as mocked_theme_manager, \
                patch(u'openlp.core.ui.mainwindow.Renderer') as mocked_renderer:
            self.main_window = MainWindow()

    def tearDown(self):
        """
        Delete all the C++ objects at the end so that we don't have a segfault
        """
        del self.main_window
        del self.app

    def restore_current_media_manager_item_test(self):
        """
        Regression test for bug #1152509.
        """
        # GIVEN: Mocked Settings().value method.
        with patch(u'openlp.core.ui.mainwindow.Settings.value') as mocked_value:
            # save current plugin: True; current media plugin: 2
            mocked_value.side_effect = [True, 2]

            # WHEN: Call the restore method.
            Registry().execute(u'bootstrap_post_set_up')

            # THEN: The current widget should have been set.
            self.main_window.media_tool_box.setCurrentIndex.assert_called_with(2)

    def on_search_shortcut_triggered_test(self):
        """
        Test if the search edit has focus after CTRL+F has been pressed.
        """
        # GIVEN: Mocked widget.
        mocked_widget = MagicMock()
        self.main_window.media_tool_box.currentWidget.return_value = mocked_widget
        self.main_window.show()

        # WHEN: Press the shortcut.
        QtTest.QTest.keyPress(self.main_window, QtCore.Qt.Key_F, QtCore.Qt.ControlModifier, 100)
        QtTest.QTest.keyRelease(self.main_window, QtCore.Qt.Key_F, QtCore.Qt.ControlModifier)

        # THEN: The on_focus method should have been called.
        mocked_widget.on_focus.assert_called_with()