using System;
using System.IO;
using CrackingLibV2;
using RestSharp;
using RestSharp.Extensions;

namespace PrntScrScraper
{
    internal class Program
    {
        private static void Main()
        {
             Console.Write("Entry Point: ");
             var entrypoint = Console.ReadLine();
             Console.Write("Amount of Pictures: ");
            var amountofPictures = int.Parse(Console.ReadLine() ?? throw new InvalidOperationException());

            int usedPics = 0;
            const string charIndex = "qwertyuiopasdfghjklzxcvbnm1234567890";
            if (entrypoint != null)
            {
                var i = charIndex.IndexOf(entrypoint[0]);
                var j = charIndex.IndexOf(entrypoint[1]);
                var k = charIndex.IndexOf(entrypoint[2]);
                var l = charIndex.IndexOf(entrypoint[3]);
                var m = charIndex.IndexOf(entrypoint[4]);
                var n = charIndex.IndexOf(entrypoint[5]);
                for (; i < charIndex.Length; i++)
                {
                    j = 0;
                    for (; j < charIndex.Length; j++)
                    {
                        k = 0;
                        for (; k < charIndex.Length; k++)
                        {
                            l = 0;

                            for (; l < charIndex.Length; l++)
                            {
                                m = 0;
                                for (; m < charIndex.Length; m++)
                                {
                                    n = 0;
                                    for (; n < charIndex.Length; n++)
                                    {


                                        entrypoint = $"{charIndex[i]}{charIndex[j]}{charIndex[k]}{charIndex[l]}{charIndex[m]}{charIndex[n]}";

                                        var client = new RestClient(new Uri("https://prnt.sc/" + entrypoint));

                                        var request = new RestRequest();

                                        var exec = client.ExecuteAsGet(request, "GET");

                                        var picUrl = Extra.CaptureBetweenString(exec.Content, "<img class=\"image__pic js-image-pic\" src=\"", "\" alt=\"\" id=\"screenshot-image\"");

                                        client.BaseUrl = new Uri(picUrl);

                                        var picBytes = client.DownloadData(request);


                                        var fileIndex = 0;
                                        do
                                        {
                                            fileIndex++;
                                        } while (File.Exists("./pics/pic_" + fileIndex + ".png"));
                                        try
                                        {
                                            picBytes.SaveAs("./pics/pic_" + fileIndex + ".png");
                                        }
                                        catch
                                        {
                                            // ignored
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }

           Console.WriteLine("Done!");
        }
    }
}