using System;
using System.Linq;
using Chernobyl.App.Layout;
using Chernobyl.ComponentModel;
using Chernobyl.Creation;
using Chernobyl.Mathematics;
using Chernobyl.Mathematics.Vectors;
using Task = Chernobyl.ComponentModel.Task;

namespace Chernobyl.App.Visual
{
    /// <summary>
    /// Factory for creating the tab that displays the visual.
    /// </summary>
    public class VisualFactory : Builder<Content>, IFactory<Content>
    {
        /// <param name="colorFactory">The method that determines the color of the image at each pixel.</param>
        public VisualFactory(Func<Vector2d, Graphics.ColorRgba> colorFactory)
        {
            _colorFactory = colorFactory;
        }

        /// <inheritdoc />
        public Content Create()
        {
            var view = new VisualViewModel(_colorFactory);
            var content = new Content(Enumerable.Empty<Content>(), "Visual", view);
            ReportCreation(content);

            return content;
        }

        // See constructor param for info.
        readonly Func<Vector2d, Graphics.ColorRgba> _colorFactory;
    }
}