// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.

namespace SixLabors.ImageSharp.Drawing.Processing {
  /// <summary>
  /// Contains a collection of common pen styles.
  /// </summary>
  public static class Pens
  {
      private static readonly float[] DashDotPattern = [3f, 1f, 1f, 1f];
      private static readonly float[] DashDotDotPattern = [3f, 1f, 1f, 1f, 1f, 1f];
      private static readonly float[] DottedPattern = [1f, 1f];
      private static readonly float[] DashedPattern = [3f, 1f];
      internal static readonly float[] EmptyPattern = [];

      /// <summary>
      /// Create a solid pen without any drawing patterns
      /// </summary>
      /// <param name="color">The color.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static SolidPen Solid(Color color) => new(color);

      /// <summary>
      /// Create a solid pen without any drawing patterns
      /// </summary>
      /// <param name="brush">The brush.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static SolidPen Solid(Brush brush) => new(brush);

      /// <summary>
      /// Create a solid pen without any drawing patterns
      /// </summary>
      /// <param name="color">The color.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static SolidPen Solid(Color color, float width) => new(color, width);

      /// <summary>
      /// Create a solid pen without any drawing patterns
      /// </summary>
      /// <param name="brush">The brush.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static SolidPen Solid(Brush brush, float width) => new(brush, width);

      /// <summary>
      /// Create a pen with a 'Dash' drawing patterns
      /// </summary>
      /// <param name="color">The color.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen Dash(Color color, float width) => new(color, width, DashedPattern);

      /// <summary>
      /// Create a pen with a 'Dash' drawing patterns
      /// </summary>
      /// <param name="brush">The brush.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen Dash(Brush brush, float width) => new(brush, width, DashedPattern);

      /// <summary>
      /// Create a pen with a 'Dot' drawing patterns
      /// </summary>
      /// <param name="color">The color.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen Dot(Color color, float width) => new(color, width, DottedPattern);

      /// <summary>
      /// Create a pen with a 'Dot' drawing patterns
      /// </summary>
      /// <param name="brush">The brush.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen Dot(Brush brush, float width) => new(brush, width, DottedPattern);

      /// <summary>
      /// Create a pen with a 'Dash Dot' drawing patterns
      /// </summary>
      /// <param name="color">The color.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen DashDot(Color color, float width) => new(color, width, DashDotPattern);

      /// <summary>
      /// Create a pen with a 'Dash Dot' drawing patterns
      /// </summary>
      /// <param name="brush">The brush.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen DashDot(Brush brush, float width) => new(brush, width, DashDotPattern);

      /// <summary>
      /// Create a pen with a 'Dash Dot Dot' drawing patterns
      /// </summary>
      /// <param name="color">The color.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen DashDotDot(Color color, float width) => new(color, width, DashDotDotPattern);

      /// <summary>
      /// Create a pen with a 'Dash Dot Dot' drawing patterns
      /// </summary>
      /// <param name="brush">The brush.</param>
      /// <param name="width">The width.</param>
      /// <returns>The <see cref="Pen"/>.</returns>
      public static PatternPen DashDotDot(Brush brush, float width) => new(brush, width, DashDotDotPattern);
  }
}