// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Testing;
using osu.Game.Graphics.UserInterface;
using osu.Game.Overlays;
using osuTK.Input;

namespace osu.Game.Tests.Visual.UserInterface
{
    public partial class TestSceneShearedSliderBar : OsuManualInputManagerTestScene
    {
        [Cached]
        private OverlayColourProvider colourProvider { get; set; } = new OverlayColourProvider(OverlayColourScheme.Purple);

        private ShearedSliderBar<double> slider = null!;

        [SetUpSteps]
        public void SetUpSteps()
        {
            AddStep("create slider", () => Child = slider = new ShearedSliderBar<double>
            {
                Anchor = Anchor.Centre,
                Origin = Anchor.Centre,
                Current = new BindableDouble(5)
                {
                    Precision = 0.1,
                    MinValue = 0,
                    MaxValue = 15
                },
                RelativeSizeAxes = Axes.X,
                Width = 0.4f
            });
        }

        [Test]
        public void TestNubDoubleClickRevertToDefault()
        {
            AddStep("set slider to 1", () => slider.Current.Value = 1);

            AddStep("move mouse to nub", () => InputManager.MoveMouseTo(slider.ChildrenOfType<ShearedNub>().Single()));

            AddStep("double click nub", () =>
            {
                InputManager.Click(MouseButton.Left);
                InputManager.Click(MouseButton.Left);
            });

            AddAssert("slider is default", () => slider.Current.IsDefault);
        }

        [Test]
        public void TestNubDoubleClickOnDisabledSliderDoesNothing()
        {
            AddStep("set slider to 1", () => slider.Current.Value = 1);
            AddStep("disable slider", () => slider.Current.Disabled = true);

            AddStep("move mouse to nub", () => InputManager.MoveMouseTo(slider.ChildrenOfType<ShearedNub>().Single()));

            AddStep("double click nub", () =>
            {
                InputManager.Click(MouseButton.Left);
                InputManager.Click(MouseButton.Left);
            });

            AddAssert("slider is still at 1", () => slider.Current.Value, () => Is.EqualTo(1));
        }
    }
}
