using FOU.Scripts;
using Godot;

public partial class Main : Node2D {
	[Export] public int BrushSize = 5;
	[Export] public float TextureResolution = 0.5f;

	private TextureRect mLevelDrawer;
	private Level mLevel;

	public override void _Ready() {
		mLevel = new Level((int)(GetViewportRect().Size.X * TextureResolution),
						   (int)(GetViewportRect().Size.Y * TextureResolution)
						  );
		mLevelDrawer = GetNode<TextureRect>("CanvasLayer/LevelDrawer");
	}

	public override void _Process(double delta) {

		mLevel.Update();
		mLevelDrawer.Texture = ImageTexture.CreateFromImage(mLevel.DrawLevel());
	}

	public override void _Input(InputEvent @event) {
		if (@event is InputEventMouseButton eventMouseButton) {

			Vector2 mouse = GetViewport().GetMousePosition();

			float mappedX = mouse.X / GetViewportRect().Size.X * mLevel.SizeX;
			float mappedY = mouse.Y / GetViewportRect().Size.Y * mLevel.SizeY;

			mLevel.WritePixel((int)mappedX, (int)mappedY, BrushSize);
		}
	}
}