using AiAgent.Core.Infrastructure;
using System.Text.Json;
using static AiAgent.Core.Constant.ProgramConstants;

namespace AiAgent.Core.Helpers
{
    public static class LandingPageEditor
    {
        public static async Task<string> RunAsync(string newArticleFileName, string newImageFileName)
        {
            // Download it from the github repo
            string page = "index.html";
            string filename = await GitHubHelper.DownloadFile(page, Output);

            // Backup the existing file
            string backupName = filename + $" - Backup - {DateTime.Now:yyyy-MMM-dd HH-mm-ss}.html";
            File.Copy(filename, backupName);

            string todayDate = File.ReadAllText(TodayDate);

            string articleJson = File.ReadAllText(FullArticle);
            JsonDocument doc = JsonDocument.Parse(articleJson);
            if (doc.RootElement.TryGetProperty("Title", out JsonElement titleProperty) is false)
                throw new Exception("The 'Title' property was not found in the article JSON.");
            string fullTitle = titleProperty.GetString();

            // Split title into primary and secondary parts
            string shortTitle = fullTitle;
            string secondaryTitle = "";
            var titleParts = fullTitle.Split(':', 2); // Split on the first colon only
            if (titleParts.Length > 1)
            {
                shortTitle = titleParts[0].Trim();
                secondaryTitle = titleParts[1].Trim();
            }

            // Use the new title
            string articleMetadata = File.ReadAllText(ArticleMetadata);
            var articleMetadataSections = JsonHelpers.SectionParser(articleMetadata);
            shortTitle = $"{articleMetadataSections["Category"]}: {articleMetadataSections["Title"]}";
            secondaryTitle = articleMetadataSections["Description"];

            // Conditionally create the HTML for the secondary title
            string secondaryTitleHtml = !string.IsNullOrWhiteSpace(secondaryTitle)
                ? $"<p class=\"text-sm text-gray-600 mt-1\">{secondaryTitle}</p>"
                : "";


            string newArticleLink = $"""
                    

                <article class="article-card rounded-xl shadow-md overflow-hidden transition-shadow duration-300 hover:shadow-xl p-6">
                    <div class="inline-flex items-center">
                        <a href="images/{newImageFileName}" target="_blank" rel="noopener noreferrer" class="flex-shrink-0">
                            <img class="h-24 w-24 object-cover" src="images/{newImageFileName}" alt="{articleMetadataSections["Title"]}">
                        </a>

                        <div class="pl-6">
                            <time class="text-xs text-gray-400 block mb-2">
                                {todayDate}
                            </time>
                            <h3 class="text-lg font-bold">
                                <a href="articles/{newArticleFileName}" class="article-title-link">
                                    {shortTitle}
                                </a>
                            </h3>
                        </div>
                    </div>
                    <p class="text-sm text-gray-600 mt-4"><strong>{articleMetadataSections["Category"]}:</strong> {articleMetadataSections["Description"]}</p>
                </article>

                """;

            //string newArticleLink = $"""


            //            <article class="article-card rounded-xl shadow-md overflow-hidden transition-shadow duration-300 hover:shadow-xl flex items-center">
            //                <a href="images/{newImageFileName}" target="_blank" rel="noopener noreferrer" class="flex-shrink-0 ml-6">
            //                    <img class="h-24 w-24 object-cover" src="images/{newImageFileName}" alt="{shortTitle}">
            //                </a>

            //                <div class="p-6">
            //                    <time class="text-xs text-gray-400 block mb-2">
            //                        {todayDate}
            //                    </time>
            //                    <h3 class="text-lg font-bold">
            //                        <a href="articles/{newArticleFileName}" class="article-title-link">
            //                            {shortTitle}
            //                        </a>
            //                    </h3>
            //                    {secondaryTitleHtml}
            //                </div>
            //            </article>
            //""";


        //    string newArticleLink = $"""


        //            <article class="article-card rounded-xl shadow-md overflow-hidden transition-shadow duration-300 hover:shadow-xl p-6">
        //                <div class="flex items-center">
        //                    <a href="images/{newImageFileName}" target="_blank" rel="noopener noreferrer" class="flex-shrink-0">
        //                        <img class="h-24 w-24 object-cover" src="images/{newImageFileName}" alt="{shortTitle}">
        //                    </a>

        //                    <div class="pl-6">
        //                        <time class="text-xs text-gray-400 block mb-2">
        //                            {todayDate}
        //                        </time>
        //                        <h3 class="text-lg font-bold">
        //                            <a href="articles/{newArticleFileName}" class="article-title-link">
        //                                {shortTitle}
        //                            </a>
        //                        </h3>
        //                    </div>
        //                </div>
        //                {secondaryTitleHtml}
        //            </article>
        //""";



            // Insert the new article link after the delimiter
            string delimiter = "<!-- Insert New Article Here -->";

            string pageFile = Path.Combine(Output, page);
            string pageContent = File.ReadAllText(pageFile);
            var pageParts = pageContent.Split(delimiter);
            string newContent = pageParts[0] + delimiter + newArticleLink + pageParts[1];
            await File.WriteAllTextAsync(pageFile, newContent);
            var result = await GitHubHelper.UploadFile(page, pageFile, $"feat: edit landing page with article '{fullTitle}'");

            var urlFile = "Sitemap.txt";
            var urls = HtmlUrlExtractor.ExtractUrls(pageContent)
                .Where(u => u.StartsWith("http") is false)
                .Where(u => u.EndsWith(".png") is false)
                .Where(u => u.Length > 5)
                .Select(u => "https://factcheckednews.com/" + u)
                .ToList();

            var urlFilePath = Path.Combine(Output, urlFile);
            await File.WriteAllLinesAsync(urlFilePath, urls);
            result = await GitHubHelper.UploadFile(urlFile, urlFilePath, $"feat: Add Sitemap.txt");

            return result;
        }
    }
}