using Content.Shared.Materials;
using Robust.Client.AutoGenerated;
using Robust.Client.GameObjects;
using Robust.Client.UserInterface.CustomControls;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Prototypes;
using System.Linq;

namespace Content.Client.Lathe.UI;

[GenerateTypedNameReferences]
public sealed partial class LatheMaterialsEjectionMenu : DefaultWindow
{
    [Dependency] private readonly IEntityManager _entityManager = default!;
    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;

    private readonly SpriteSystem _spriteSystem;

    public event Action<string, int>? OnEjectPressed;

    public LatheMaterialsEjectionMenu()
    {
        RobustXamlLoader.Load(this);
        IoCManager.InjectDependencies(this);
        _spriteSystem = _entityManager.EntitySysManager.GetEntitySystem<SpriteSystem>();
    }

    public void PopulateMaterials(EntityUid lathe)
    {
        if (!_entityManager.TryGetComponent<MaterialStorageComponent>(lathe, out var materials))
            return;

        MaterialsList.DisposeAllChildren();

        foreach (var (materialId, volume) in materials.Storage)
        {
            if (volume <= 0)
                continue;

            if (!_prototypeManager.TryIndex(materialId, out MaterialPrototype? material))
                continue;

            var name = Loc.GetString(material.Name);
            int volumePerSheet = 0;
            int maxEjectableSheets = 0;

            if (material.StackEntity != null)
            {
                var proto = _prototypeManager.Index<EntityPrototype>(material.StackEntity);
                name = proto.Name;

                if (proto.TryGetComponent<PhysicalCompositionComponent>(out var composition))
                {
                    volumePerSheet = composition.MaterialComposition.FirstOrDefault(kvp => kvp.Key == materialId).Value;
                    maxEjectableSheets = (int) MathF.Floor(volume / volumePerSheet);
                }
            }

            var row = new LatheMaterialEjector(materialId, OnEjectPressed, volumePerSheet, maxEjectableSheets)
            {
                Icon = { Texture = _spriteSystem.Frame0(material.Icon) },
                ProductName = { Text = name }
            };

            MaterialsList.AddChild(row);
        }

        if (MaterialsList.ChildCount == 0)
        {
            Close();
        }
    }
}