// Copyright (c) Alexandre Mutel. All rights reserved.
// This file is licensed under the BSD-Clause 2 license. 
// See the license.txt file in the project root for more information.

using Markdig.Renderers;

namespace Markdig.Extensions.Abbreviations;

/// <summary>
/// Extension to allow abbreviations.
/// </summary>
/// <seealso cref="IMarkdownExtension" />
public class AbbreviationExtension : IMarkdownExtension
{
    /// <summary>
    /// Configures this extension for the specified pipeline stage.
    /// </summary>
    public void Setup(MarkdownPipelineBuilder pipeline)
    {
        pipeline.BlockParsers.AddIfNotAlready<AbbreviationParser>();
    }

    /// <summary>
    /// Configures this extension for the specified pipeline stage.
    /// </summary>
    public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
    {
        if (renderer is HtmlRenderer htmlRenderer && !htmlRenderer.ObjectRenderers.Contains<HtmlAbbreviationRenderer>())
        {
            // Must be inserted before CodeBlockRenderer
            htmlRenderer.ObjectRenderers.Insert(0, new HtmlAbbreviationRenderer());
        }
    }
}
