using System.Reflection.Metadata;
using System.Text.RegularExpressions;
using HtmlAgilityPack;

namespace WebNovelPortalAPI.Scrapers;

public class KakuyomuScraper : AbstractScraper
{
    protected override string UrlMatchPattern => @"https?:\/\/kakuyomu\.jp\/works\/\d+\/?";

    protected override string BaseUrlPattern => @"https?:\/\/kakuyomu\.jp";

    protected override string? WorkTitlePattern => @"//*[@id='workTitle']/a";
    protected override string? AuthorNamePattern => @"//*[@id='workAuthor-activityName']/a";
    protected override string? AuthorLinkPattern => @"//*[@id='workAuthor-activityName']/a";

    protected override string? ChapterUrlPattern => @"//a[@class='widget-toc-episode-episodeTitle']";

    protected override string? ChapterNamePattern => @"span";

    protected override string? ChapterPostedPattern => @"time";

    protected override string? ChapterUpdatedPattern => base.ChapterUpdatedPattern;

    protected override string? TagPattern => @"//span[@itemprop='keywords']/a";

    protected override string? DatePostedPattern => @"//time[@itemprop='datePublished']";

    protected override string? DateUpdatedPattern => @"//time[@itemprop='dateModified']";

    protected override (DateTime? Posted, DateTime? Updated) GetDateTimeForChapter(HtmlNode linkNode, HtmlNode baseNode, string baseUrl,
        string novelUrl)
    {
        var datePosted = linkNode.SelectSingleNode(ChapterPostedPattern).Attributes["datetime"].Value;
        return (DateTime.Parse(datePosted), null);
    }
}