// 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.Game.Beatmaps;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Tests.Beatmaps;

namespace osu.Game.Tests.Visual.Editing
{
    public class TestSceneEditorClipboard : EditorTestScene
    {
        protected override Ruleset CreateEditorRuleset() => new OsuRuleset();

        protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new TestBeatmap(ruleset, false);

        [Test]
        public void TestCutRemovesObjects()
        {
            var addedObject = new HitCircle { StartTime = 1000 };

            AddStep("add hitobject", () => EditorBeatmap.Add(addedObject));

            AddStep("select added object", () => EditorBeatmap.SelectedHitObjects.Add(addedObject));

            AddStep("cut hitobject", () => Editor.Cut());

            AddAssert("no hitobjects in beatmap", () => EditorBeatmap.HitObjects.Count == 0);
        }

        [TestCase(1000)]
        [TestCase(2000)]
        public void TestCutPaste(double newTime)
        {
            var addedObject = new HitCircle { StartTime = 1000 };

            AddStep("add hitobject", () => EditorBeatmap.Add(addedObject));

            AddStep("select added object", () => EditorBeatmap.SelectedHitObjects.Add(addedObject));

            AddStep("cut hitobject", () => Editor.Cut());

            AddStep("move forward in time", () => EditorClock.Seek(newTime));

            AddStep("paste hitobject", () => Editor.Paste());

            AddAssert("is one object", () => EditorBeatmap.HitObjects.Count == 1);

            AddAssert("new object selected", () => EditorBeatmap.SelectedHitObjects.Single().StartTime == newTime);
        }

        [Test]
        public void TestCopyPaste()
        {
            var addedObject = new HitCircle { StartTime = 1000 };

            AddStep("add hitobject", () => EditorBeatmap.Add(addedObject));

            AddStep("select added object", () => EditorBeatmap.SelectedHitObjects.Add(addedObject));

            AddStep("copy hitobject", () => Editor.Copy());

            AddStep("move forward in time", () => EditorClock.Seek(2000));

            AddStep("paste hitobject", () => Editor.Paste());

            AddAssert("are two objects", () => EditorBeatmap.HitObjects.Count == 2);

            AddAssert("new object selected", () => EditorBeatmap.SelectedHitObjects.Single().StartTime == 2000);
        }

        [Test]
        public void TestCutNothing()
        {
            AddStep("cut hitobject", () => Editor.Cut());
            AddAssert("are no objects", () => EditorBeatmap.HitObjects.Count == 0);
        }

        [Test]
        public void TestCopyNothing()
        {
            AddStep("copy hitobject", () => Editor.Copy());
            AddAssert("are no objects", () => EditorBeatmap.HitObjects.Count == 0);
        }

        [Test]
        public void TestPasteNothing()
        {
            AddStep("paste hitobject", () => Editor.Paste());
            AddAssert("are no objects", () => EditorBeatmap.HitObjects.Count == 0);
        }
    }
}