using System.Linq;
using RGB.NET.Core;
using SkiaSharp;

namespace Artemis.Core;

/// <summary>
///     Represents an RGB LED contained in an <see cref="ArtemisDevice" />
/// </summary>
public class ArtemisLed : CorePropertyChanged
{
    private SKRect _absoluteRectangle;
    private SKRect _rectangle;

    internal ArtemisLed(Led led, ArtemisDevice device)
    {
        RgbLed = led;
        Device = device;
        Layout = device.Layout?.Leds.FirstOrDefault(l => l.RgbLayout.Id == led.Id.ToString());
        Layout?.ApplyCustomLedData(Device);

        CalculateRectangles();
    }

    /// <summary>
    ///     Gets the RGB.NET LED backing this Artemis LED
    /// </summary>
    public Led RgbLed { get; }

    /// <summary>
    ///     Gets the device that contains this LED
    /// </summary>
    public ArtemisDevice Device { get; }

    /// <summary>
    ///     Gets the rectangle covering the LED positioned relative to the<see cref="Device" />
    /// </summary>
    public SKRect Rectangle
    {
        get => _rectangle;
        private set => SetAndNotify(ref _rectangle, value);
    }

    /// <summary>
    ///     Gets the rectangle covering the LED
    /// </summary>
    public SKRect AbsoluteRectangle
    {
        get => _absoluteRectangle;
        private set => SetAndNotify(ref _absoluteRectangle, value);
    }

    /// <summary>
    ///     Gets the layout applied to this LED
    /// </summary>
    public ArtemisLedLayout? Layout { get; internal set; }

    /// <inheritdoc />
    public override string ToString()
    {
        return RgbLed.ToString();
    }

    internal void CalculateRectangles()
    {
        Rectangle = RenderScale.CreateScaleCompatibleRect(
            RgbLed.Boundary.Location.X,
            RgbLed.Boundary.Location.Y,
            RgbLed.Boundary.Size.Width,
            RgbLed.Boundary.Size.Height
        );
        AbsoluteRectangle = RenderScale.CreateScaleCompatibleRect(
            RgbLed.AbsoluteBoundary.Location.X,
            RgbLed.AbsoluteBoundary.Location.Y,
            RgbLed.AbsoluteBoundary.Size.Width,
            RgbLed.AbsoluteBoundary.Size.Height
        );
    }
}