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

using SixLabors.Fonts;
using System.Collections.Generic;

namespace SixLabors.ImageSharp.Drawing.Processing {
  /// <summary>
  /// Provides configuration options for rendering and shaping of rich text.
  /// </summary>
  public class RichTextOptions : TextOptions
  {
      /// <summary>
      /// Initializes a new instance of the <see cref="RichTextOptions" /> class.
      /// </summary>
      /// <param name="font">The font.</param>
      public RichTextOptions(Font font)
          : base(font)
          => this.TextRuns = [];

      /// <summary>
      /// Initializes a new instance of the <see cref="RichTextOptions" /> class from properties
      /// copied from the given instance.
      /// </summary>
      /// <param name="options">The options whose properties are copied into this instance.</param>
      public RichTextOptions(RichTextOptions options)
          : base(options)
      {
          List<RichTextRun> runs = new(options.TextRuns.Count);
          foreach (RichTextRun run in options.TextRuns)
          {
              runs.Add(new RichTextRun()
              {
                  Brush = run.Brush,
                  Pen = run.Pen,
                  StrikeoutPen = run.StrikeoutPen,
                  UnderlinePen = run.UnderlinePen,
                  OverlinePen = run.OverlinePen,
                  Start = run.Start,
                  End = run.End,
                  Font = run.Font,
                  TextAttributes = run.TextAttributes,
                  TextDecorations = run.TextDecorations,
                  Placeholder = run.Placeholder
              });
          }

          this.TextRuns = runs;
      }

      /// <summary>
      /// Gets or sets an optional collection of text runs to apply to the body of text.
      /// </summary>
      public new IReadOnlyList<RichTextRun> TextRuns
      {
          get => (IReadOnlyList<RichTextRun>)base.TextRuns;
          set => base.TextRuns = value;
      }
  }
}