using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Common;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;

namespace WinFormsApp1
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }

        //SICHERUNG
        //private async void button1_Click(object sender, EventArgs e)
        //{
        //    string connectionString = "Server=192.168.178.201;Database=domainchecker;User ID=root;Password=1td5rugut8;";

        //    try
        //    {
        //        using (MySqlConnection conn = new MySqlConnection(connectionString))
        //        {
        //            await conn.OpenAsync();

        //            string query = "SELECT webseite FROM webCrawler";
        //            MySqlCommand cmd = new MySqlCommand(query, conn);

        //            using (DbDataReader reader = await cmd.ExecuteReaderAsync())
        //            {
        //                while (await reader.ReadAsync())
        //                {
        //                    string domain = reader.GetString("webseite");
        //                    string version = await GetWordPressVersionAsync(domain);

        //                    if (version != null)
        //                    {
        //                        using (MySqlConnection insertConn = new MySqlConnection(connectionString))
        //                        {
        //                            await insertConn.OpenAsync();
        //                            await InsertOrUpdateVersionAsync(insertConn, domain, version);
        //                        }
        //                    }
        //                    else
        //                    {
        //                        //Nothing
        //                    }
        //                }
        //                Console.Beep();
        //                MessageBox.Show("Fertig");
        //            }
        //        }
        //    }
        //    catch (Exception ex)
        //    {
        //        Console.WriteLine($"Fehler: {ex.Message}\r\n");
        //    }
        //}

        //private async Task<string> GetWordPressVersionAsync(string url)
        //{
        //    using (HttpClient client = new HttpClient())
        //    {
        //        try
        //        {
        //            string html = await client.GetStringAsync("https://" + url);

        //            Regex regex = new Regex(@"<meta name=""generator"" content=""WordPress (\d+\.\d+(?:\.\d+)?)""", RegexOptions.IgnoreCase);
        //            Match match = regex.Match(html);

        //            return match.Success ? match.Groups[1].Value : null;
        //        }
        //        catch (Exception ex)
        //        {
        //            return null;
        //        }
        //    }
        //}

        //private async Task InsertOrUpdateVersionAsync(MySqlConnection conn, string domain, string version)
        //{
        //    string checkQuery = "SELECT COUNT(*) FROM wp_versionen WHERE domain = @domain";
        //    MySqlCommand checkCmd = new MySqlCommand(checkQuery, conn);
        //    checkCmd.Parameters.AddWithValue("@domain", domain);
        //    int count = Convert.ToInt32(await checkCmd.ExecuteScalarAsync());
        //    DateTime letzte_pruefung = DateTime.Now;
        //    if (count > 0)
        //    {
        //        string updateQuery = "UPDATE wp_versionen SET version = @version, letzte_pruefung = @letzte_pruefung WHERE domain = @domain";
        //        MySqlCommand updateCmd = new MySqlCommand(updateQuery, conn);
        //        updateCmd.Parameters.AddWithValue("@domain", domain);
        //        updateCmd.Parameters.AddWithValue("@version", version);
        //        updateCmd.Parameters.AddWithValue("@letzte_pruefung", letzte_pruefung);
        //        await updateCmd.ExecuteNonQueryAsync();
        //    }
        //    else
        //    {
        //        string insertQuery = "INSERT INTO wp_versionen (domain, version, letzte_pruefung) VALUES (@domain, @version, @letzte_pruefung)";
        //        MySqlCommand insertCmd = new MySqlCommand(insertQuery, conn);
        //        insertCmd.Parameters.AddWithValue("@domain", domain);
        //        insertCmd.Parameters.AddWithValue("@version", version);
        //        insertCmd.Parameters.AddWithValue("@letzte_pruefung", letzte_pruefung);
        //        await insertCmd.ExecuteNonQueryAsync();
        //    }
        //}
    }
}