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.Net;
using System.IO;
using System.Security.Cryptography;

namespace Launcher
{
    public partial class LoginForm : Form
    {
        private string salt = "saltage";
        private string varPassword = "";
        private string varUsername = "";

        private string CalculateSHA1(string text)
        {
            byte[] buffer = Encoding.UTF8.GetBytes(text+salt);
            SHA1CryptoServiceProvider cryptoTransformSHA1 = new SHA1CryptoServiceProvider();
            return BitConverter.ToString(cryptoTransformSHA1.ComputeHash(buffer)).Replace("-", "");
        }

        public LoginForm()
        {
            InitializeComponent();
        }

        private void LoginForm_Load(object sender, EventArgs e)
        {

        }

        private void PostLoginForm()
        {
            WebRequest request = WebRequest.Create("http://localhost/launcher/index.php ");
            request.Method = "POST";
            string password = "&password=";
            string username = varUsername;
            string code = CalculateSHA1(varPassword);
            string postData = "username="+username+password+code;
            byte[] byteArray = Encoding.UTF8.GetBytes(postData);
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = byteArray.Length;
            Stream dataStream = request.GetRequestStream();
            dataStream.Write(byteArray, 0, byteArray.Length);
            dataStream.Close();
            WebResponse response = request.GetResponse();
            Console.WriteLine(((HttpWebResponse)response).StatusDescription);
            dataStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(dataStream);
            string responseFromServer = reader.ReadToEnd();
            Console.WriteLine(responseFromServer);
            if (responseFromServer.Equals("ok"))
            {
                MainForm mainForm = new MainForm();
                mainForm.Visible = true;
                this.Close();
            }
            reader.Close();
            dataStream.Close();
            response.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            PostLoginForm();
        }

        private void UsernameBox_TextChanged(object sender, EventArgs e)
        {
            varUsername = UsernameBox.Text;
        }

        private void PasswordBox_TextChanged(object sender, EventArgs e)
        {
            varPassword = PasswordBox.Text;
        }
    }
}