using System.Linq;
using Content.Shared.Chemistry;
using Content.Shared.Chemistry.Components;
using Content.Shared.Prototypes;
using Robust.Client.GameObjects;
using Robust.Shared.GameObjects;
using Robust.Shared.Prototypes;

namespace Content.IntegrationTests.Tests;

/// <summary>
/// Tests to see if any entity prototypes specify solution fill level sprites that don't exist.
/// </summary>
[TestFixture]
public sealed class FillLevelSpriteTest
{
    private static readonly string[] HandStateNames = ["left", "right"];
    private static readonly string[] EquipStateNames = ["back", "suitstorage"];

    [Test]
    public async Task FillLevelSpritesExist()
    {
        await using var pair = await PoolManager.GetServerClient(new PoolSettings { Connected = true });
        var client = pair.Client;
        var protoMan = client.ResolveDependency<IPrototypeManager>();
        var componentFactory = client.ResolveDependency<IComponentFactory>();
        var entMan = client.ResolveDependency<IEntityManager>();
        var spriteSystem = client.System<SpriteSystem>();

        await client.WaitAssertion(() =>
        {
            var protos = protoMan.EnumeratePrototypes<EntityPrototype>()
                .Where(p => !p.Abstract)
                .Where(p => !pair.IsTestPrototype(p))
                .Where(p => p.TryGetComponent<SolutionContainerVisualsComponent>(out _, componentFactory))
                .OrderBy(p => p.ID)
                .ToList();

            Assert.Multiple(() =>
            {
                foreach (var proto in protos)
                {
                    Assert.That(proto.TryGetComponent<SolutionContainerVisualsComponent>(out var visuals, componentFactory));
                    Assert.That(proto.TryGetComponent<SpriteComponent>(out var sprite, componentFactory));
                    if (!proto.HasComponent<AppearanceComponent>(componentFactory))
                    {
                        Assert.Fail(@$"{proto.ID} has SolutionContainerVisualsComponent but no AppearanceComponent.");
                    }

                    // Test base sprite fills
                    if (!string.IsNullOrEmpty(visuals.FillBaseName) && visuals.MaxFillLevels > 0)
                    {
                        var entity = entMan.Spawn(proto.ID);
                        if (!spriteSystem.LayerMapTryGet(entity, SolutionContainerLayers.Fill, out var fillLayerId, false))
                        {
                            Assert.Fail(@$"{proto.ID} has SolutionContainerVisualsComponent but no fill layer map.");
                        }
                        if (!spriteSystem.TryGetLayer(entity, fillLayerId, out var fillLayer, false))
                        {
                            Assert.Fail(@$"{proto.ID} somehow lost a layer.");
                        }
                        var rsi = fillLayer.ActualRsi;

                        for (var i = 1; i <= visuals.MaxFillLevels; i++)
                        {
                            var state = $"{visuals.FillBaseName}{i}";
                            Assert.That(rsi.TryGetState(state, out _), @$"{proto.ID} has SolutionContainerVisualsComponent with
                                MaxFillLevels = {visuals.MaxFillLevels}, but {rsi.Path} doesn't have state {state}!");
                        }
                    }

                    // Test inhand sprite fills
                    if (!string.IsNullOrEmpty(visuals.InHandsFillBaseName) && visuals.InHandsMaxFillLevels > 0)
                    {
                        var rsi = sprite.BaseRSI;
                        for (var i = 1; i <= visuals.InHandsMaxFillLevels; i++)
                        {
                            foreach (var handname in HandStateNames)
                            {
                                var state = $"inhand-{handname}{visuals.InHandsFillBaseName}{i}";
                                Assert.That(rsi.TryGetState(state, out _), @$"{proto.ID} has SolutionContainerVisualsComponent with
                                    InHandsMaxFillLevels = {visuals.InHandsMaxFillLevels}, but {rsi.Path} doesn't have state {state}!");
                            }
                        }
                    }

                    // Test equipped sprite fills
                    if (!string.IsNullOrEmpty(visuals.EquippedFillBaseName) && visuals.EquippedMaxFillLevels > 0)
                    {
                        var rsi = sprite.BaseRSI;
                        for (var i = 1; i <= visuals.EquippedMaxFillLevels; i++)
                        {
                            foreach (var equipName in EquipStateNames)
                            {
                                var state = $"equipped-{equipName}{visuals.EquippedFillBaseName}{i}";
                                Assert.That(rsi.TryGetState(state, out _), @$"{proto.ID} has SolutionContainerVisualsComponent with
                                    EquippedMaxFillLevels = {visuals.EquippedMaxFillLevels}, but {rsi.Path} doesn't have state {state}!");
                            }
                        }
                    }
                }
            });
        });

        await pair.CleanReturnAsync();
    }
}