using ModernWpf.Controls;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Security.Cryptography;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace EZPPClient_Installer
{
  public class DownloadUtil
  {

    public static List<string> FilesToDownload(string pathToEZPP)
    {
      bool directoryExists = Directory.Exists(pathToEZPP);

      List<string> downloadList = new List<string>();
      List<MD5File> md5Files = new List<MD5File>();

      try
      {

        using (WebClient wc = new WebClient())
        {
          var data = wc.DownloadString("https://ez-pp.farm/static/client/client.data");
          string[] dataList = data.Split('\n');
          foreach (string datastring in dataList)
          {
            if (string.IsNullOrWhiteSpace(datastring))
              continue;

            string[] se = datastring.Split('#');
            string md5 = se[0];
            string name = se[1];
            md5Files.Add(new MD5File(name, md5));
          }
        }
      }catch(WebException error)
      {
        new ContentDialog()
        {
          Title = "Oops...",
          Content = "A error occurred while trying to fetch all needed Files.\n" + error.Message,
          PrimaryButtonText = "Okay"
        }.ShowAsync();
      }

      if (!directoryExists)
      {
        foreach (MD5File md5File in md5Files)
          downloadList.Add(md5File.getName());
      }
      else
      {

      }

      return downloadList;
    }

    public async Task<bool> CheckForUpdate()
    {
      return false;
    }

  }
}