using System.Text;
using Shapes;
using Shapes.Shapes;
using SimpleDrawing;
using SimpleDrawing.Core;

Console.OutputEncoding = Encoding.UTF8;

const int Size = 600;

var shapes = new List<Shape>();
var generator = new ShapeGenerator(Size, Size);

LeoCanvas.Init(Run, Size, Size, clickAction: HandleClick, windowTitle: "Shapes");

return;

void Run()
{
    try
    {
        // initial rendering
        Redraw();

        Console.WriteLine("Press any key to exit...");
        Console.ReadKey();
    }
    catch (Exception ex)
    {
        Console.WriteLine($"An error occurred: {ex.Message}");
    }
}

void HandleClick(ClickEvent @event)
{
    // Check if clicked on existing shape
    foreach (var shape in shapes.ToList())
    {
        if (shape.PointInShape(@event.ClickedPoint))
        {
            shapes.Remove(shape);
            Console.WriteLine($"Removed shape with id {shape.Id}");
            Redraw();
            return;
        }
    }
    
    // Create new shape
    var generatedShape = generator.CreateNewShape(@event.ClickedPoint);
    shapes.Add(generatedShape);
    Console.WriteLine($"Added shape with id {generatedShape.Id}");

    Redraw();
}

void Redraw()
{
    LeoCanvas.Clear();
    foreach (var shape in shapes)
    {
        if (!shape.DrawSelf())
        {
            Console.WriteLine($"Couldn't draw shape with id {shape.Id} 😭");
        }
    }
    LeoCanvas.Render();
}