using Raylib_cs;
using Sand.Core;
using System.Numerics;

namespace Sand.App;

internal sealed class AppState
{
    public required IParticleLibrary Library { get; init; }
    public required SimulationSettings Settings { get; init; }
    public required ISimulationBackend Simulation { get; init; }
    public required Dictionary<string, List<ParticleDef>> Categories { get; init; }
    public required SettingItem[] SettingItems { get; init; }
    public required byte[] UploadBuffer { get; init; }
    public required string CurrentCategory { get; set; }
    public required string CurrentParticle { get; set; }
    public required string BackendName { get; init; }
    public required int SimWidth { get; init; }
    public required int SimHeight { get; init; }
    public Texture2D FrameTexture { get; set; }
    public int BrushRadius { get; set; }
    public bool ZoomEnabled { get; set; }
    public bool SettingsVisible { get; set; }
    public int CategoryScrollOffset { get; set; }
    public int ParticleScrollOffset { get; set; }
    public int SettingsScrollOffset { get; set; }
    public float SimulationAccumulator { get; set; }
    public Vector2 PreviousMouse { get; set; }
    public Vector2 LastWindDirection { get; set; }
    public PendingWorldAction PendingWorldAction { get; set; }
    public int LastSimulationStepCount { get; set; }
    public long LastAppFrameTimeMicroseconds { get; set; }
    public long LastUpdateTimeMicroseconds { get; set; }
    public long LastSimulationLoopTimeMicroseconds { get; set; }
    public long LastFrameBuildCallTimeMicroseconds { get; set; }
    public long LastTextureUploadTimeMicroseconds { get; set; }
    public long LastDrawTimeMicroseconds { get; set; }
    public long LastAppOtherTimeMicroseconds { get; set; }
}

internal readonly record struct SettingItem(string Label, Func<bool> Get, Action Toggle);

internal readonly record struct PendingWorldAction(
    bool Active,
    bool IsErase,
    int SimX,
    int SimY,
    Vector2 Mouse);