# Copyright 2023 (c) Anna Schumaker.
"""Tests our adaptable layout widget."""
import unittest
import emmental.layout
from gi.repository import Gtk
from gi.repository import Adw


class TestLayout(unittest.TestCase):
    """Test case for our adaptable layout."""

    def setUp(self):
        """Set up common variables."""
        self.layout = emmental.layout.Layout()

    def test_constants(self):
        """Check constant variables."""
        self.assertEqual(emmental.layout.MIN_WIDTH,
                         Adw.BreakpointConditionLengthType.MIN_WIDTH)

    def test_init(self):
        """Check that the layout is set up properly."""
        self.assertIsInstance(self.layout, Adw.Bin)
        self.assertIsInstance(self.layout._split_view, Adw.OverlaySplitView)
        self.assertTrue(self.layout._split_view.props.collapsed)

    def test_wide_view(self):
        """Test the layout when we have a wide window."""
        self.assertFalse(self.layout.wide_view)
        self.assertEqual(self.layout.props.child, self.layout._split_view)

        self.layout.wide_view = True
        self.assertFalse(self.layout._split_view.props.collapsed)

    def test_content(self):
        """Test the content widget property."""
        self.assertIsNone(self.layout.content)

        widget = Gtk.Label()
        self.layout.content = widget
        self.assertEqual(self.layout._split_view.props.content, widget)
        self.assertEqual(self.layout.content, widget)

        widget2 = Gtk.Label()
        layout2 = emmental.layout.Layout(content=widget2)
        self.assertEqual(layout2.content, widget2)

    def test_sidebar(self):
        """Test the sidebar widget property."""
        self.assertIsNone(self.layout.sidebar)

        widget = Gtk.Label()
        self.layout.sidebar = widget
        self.assertEqual(self.layout._split_view.props.sidebar, widget)
        self.assertEqual(self.layout.sidebar, widget)

        widget2 = Gtk.Label()
        layout2 = emmental.layout.Layout(sidebar=widget2)
        self.assertEqual(layout2.sidebar, widget2)

    def test_show_sidebar(self):
        """Test the show-sidebar property."""
        self.assertFalse(self.layout.show_sidebar)
        self.assertFalse(self.layout._split_view.props.show_sidebar)

        self.layout.show_sidebar = True
        self.assertTrue(self.layout._split_view.props.show_sidebar)

        self.layout._split_view.props.show_sidebar = False
        self.assertFalse(self.layout.show_sidebar)

    @unittest.mock.patch("gi.repository.Adw.Breakpoint.add_setter")
    def test_breakpoints(self, mock_add_setter: unittest.mock.Mock):
        """Test the layout breakpoints property."""
        points = self.layout.breakpoints
        self.assertEqual(len(points), 1)

        self.assertIsInstance(points[0], Adw.Breakpoint)
        condition = points[0].props.condition
        self.assertIsInstance(condition, Adw.BreakpointCondition)
        self.assertEqual(condition.to_string(), "min-width: 1000sp")

        mock_add_setter.assert_called_once()
        args = mock_add_setter.mock_calls[0].args
        self.assertEqual(args[0], self.layout)
        self.assertEqual(args[1], "wide-view")
        self.assertTrue(args[2].get_boolean())