// 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 NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Testing;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Osu.Judgements;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Rulesets.Scoring;
using osu.Game.Screens.Play.HUD;
using osu.Game.Skinning;
using osuTK;

namespace osu.Game.Tests.Visual.Gameplay
{
    public partial class TestSceneSkinnableHealthDisplay : SkinnableHUDComponentTestScene
    {
        [Cached(typeof(HealthProcessor))]
        private HealthProcessor healthProcessor = new DrainingHealthProcessor(0);

        protected override Drawable CreateArgonImplementation() => new ArgonHealthDisplay { Scale = new Vector2(0.6f), Width = 600, UseRelativeSize = { Value = false } };
        protected override Drawable CreateDefaultImplementation() => new DefaultHealthDisplay { Scale = new Vector2(0.6f) };
        protected override Drawable CreateLegacyImplementation() => new LegacyHealthDisplay { Scale = new Vector2(0.6f) };

        [SetUpSteps]
        public void SetUpSteps()
        {
            AddStep(@"Reset all", delegate
            {
                healthProcessor.Health.Value = 1;
                healthProcessor.Failed += () => false; // health won't be updated if the processor gets into a "fail" state.
            });
        }

        protected override void Update()
        {
            base.Update();

            healthProcessor.Health.Value -= 0.0001f * Time.Elapsed;
        }

        [Test]
        public void TestHealthDisplayIncrementing()
        {
            AddRepeatStep("apply miss judgement", delegate
            {
                healthProcessor.ApplyResult(new JudgementResult(new HitObject(), new Judgement()) { Type = HitResult.Miss });
            }, 5);

            AddRepeatStep(@"decrease hp slightly", delegate
            {
                healthProcessor.Health.Value -= 0.01f;
            }, 10);

            AddRepeatStep(@"increase hp without flash", delegate
            {
                healthProcessor.Health.Value += 0.1f;
            }, 3);

            AddRepeatStep(@"increase hp with flash", delegate
            {
                healthProcessor.Health.Value += 0.1f;
                healthProcessor.ApplyResult(new JudgementResult(new HitCircle(), new OsuJudgement())
                {
                    Type = HitResult.Perfect
                });
            }, 3);
        }
    }
}