// Copyright (c) Rodel. All rights reserved.
// <auto-generated />

using HtmlAgilityPack;
using Markdig.Syntax.Inlines;
using Microsoft.UI.Xaml.Documents;

namespace RodelAgent.UI.Controls.Markdown.TextElements;

internal class MyHyperlinkButton : IAddChild
{
    private HyperlinkButton _hyperLinkButton;
    private InlineUIContainer _inlineUIContainer = new InlineUIContainer();
    private MyFlowDocument _flowDoc;
    private readonly string _baseUrl;
    private readonly LinkInline _linkInline;
    private HtmlNode _htmlNode;

    public bool IsHtml => _htmlNode != null;

    public TextElement TextElement => _inlineUIContainer;

    public MyHyperlinkButton(LinkInline linkInline, string baseUrl)
    {
        _baseUrl = baseUrl;
        var url = linkInline.GetDynamicUrl != null ? linkInline.GetDynamicUrl() ?? linkInline.Url : linkInline.Url;
        _linkInline = linkInline;
        Init(url, baseUrl);
    }

    public MyHyperlinkButton(HtmlNode htmlNode, string baseUrl)
    {
        _baseUrl = baseUrl;
        _htmlNode = htmlNode;
        var url = htmlNode.GetAttributeValue("href", "#");
        Init(url, baseUrl);
    }

    private void Init(string url, string baseUrl)
    {
        _hyperLinkButton = new HyperlinkButton
        {
            NavigateUri = Extensions.GetUri(url, baseUrl),
            Padding = new Thickness(0),
            Margin = new Thickness(0),
        };
        if (IsHtml && _htmlNode != null)
        {
            _flowDoc = new MyFlowDocument((HtmlNode)_htmlNode);
        }
        else if (_linkInline != null)
        {
            _flowDoc = new MyFlowDocument(_linkInline);
        }

        _inlineUIContainer.Child = _hyperLinkButton;
        _hyperLinkButton.Content = _flowDoc?.RichTextBlock;
    }

    public void AddChild(IAddChild child) => _flowDoc?.AddChild(child);
}
