using System;
using System.Windows.Forms;
using System.IO;
using System.IO.Compression;
using System.Net;
using System.Diagnostics;
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.Threading;
using System.Net.Http;
using System.Web;
using Newtonsoft.Json;



namespace WindowsFormsApp2
{
    public partial class Form1 : Form
    {
        private Process process;
        public Form1()
        {
            InitializeComponent();

            string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);

            if (Directory.Exists(appdata + "/WiAD_Launcher/") == false)
            {
                Directory.CreateDirectory(appdata + "/WiAD_Launcher/");
            }
            if (Directory.Exists(appdata + "/WiAD_Launcher/temp/") == false)
            {
                Directory.CreateDirectory(appdata + "/WiAD_Launcher/temp/");
            }
            if (Directory.Exists(appdata + "/WiAD_Launcher/modpacks/") == false)
            {
                Directory.CreateDirectory(appdata + "/WiAD_Launcher/modpacks/");
            }
            button1.Enabled = false;
        }

        private void password_TextChanged(object sender, EventArgs e)
        {
            string contents = this.username.Text + this.password.Text;
            if (contents.Length == 0)
            {
                Console.WriteLine("Please login in!");
            }
            else
            {
                button1.Enabled = true;
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            string templocation = appdata + "/WiAD_Launcher/temp/";
            string packlocation = appdata + "/WiAD_Launcher/modpacks/";


            if (checkBox1.Checked && !checkBox2.Checked && !checkBox3.Checked)
            {
                button1.Enabled = false;
                checkBox1.Enabled = false;
                checkBox2.Enabled = false;
                checkBox3.Enabled = false;
                var client = new WebClient();
                var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/test.json");

                SCJSON1 post = JsonConvert.DeserializeObject<SCJSON1>(text);
                string mp1 = post.MP1Name;

                if (Directory.Exists(packlocation + mp1) == false)
                {
                    using (var webClient = new WebClient())
                    {
                        WebClient downloader = new WebClient();
                        Console.WriteLine("Downloading from " + post.MP1Url);
                        this.Update();
                        downloader.DownloadProgressChanged += new DownloadProgressChangedEventHandler(downloader_DownloadProgressChanged);
                        downloader.DownloadFileCompleted += new AsyncCompletedEventHandler(downloader_DownloadFileComplete);
                        downloader.DownloadFileAsync(new Uri(post.MP1Url), templocation + mp1 + ".zip");
                        label4.Text = "Downloading " + mp1 + "....";

                    }
                }
                else
                {
                    label4.Text = "Starting" + mp1 + "....";
                    bool authed = false;
                    string[] res = Auth(username.Text, password.Text, out AuthReasons Reason);
                    if (authed)
                    {
                        Console.WriteLine("starting");
                        Console.WriteLine(findJavaVersion());

                        StartMinecraft();
                        Application.Exit();
                    }
                }
            }
            else if (!checkBox1.Checked && checkBox2.Checked && !checkBox3.Checked)
            {
                button1.Enabled = false;
                checkBox1.Enabled = false;
                checkBox2.Enabled = false;
                checkBox3.Enabled = false;
                var client = new WebClient();
                var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/test.json");

                SCJSON2 post = JsonConvert.DeserializeObject<SCJSON2>(text);
                string mp2 = post.MP2Name;

                if (Directory.Exists(packlocation + mp2) == false)
                {
                    using (var webClient = new WebClient())
                    {
                        String rawJSON2 = webClient.DownloadString(post.MP2Url);
                        WebClient downloader = new WebClient();
                        Console.WriteLine("Downloading from " + rawJSON2);
                        this.Update();
                        downloader.DownloadProgressChanged += new DownloadProgressChangedEventHandler(downloader_DownloadProgressChanged);
                        downloader.DownloadFileCompleted += new AsyncCompletedEventHandler(downloader_DownloadFileComplete);
                        downloader.DownloadFileAsync(new Uri(rawJSON2), templocation + mp2 + ".zip");
                        label4.Text = "Downloading " + mp2 + "....";
                    }
                }
                else
                {
                    label4.Text = "Starting" + mp2 + "....";
                    string[] res = Auth(username.Text, password.Text, out AuthReasons Reason);
                    {
                        Console.WriteLine("starting");
                        Application.Exit();
                    }
                }
            }
            else if (!checkBox1.Checked && !checkBox2.Checked && checkBox3.Checked)
            {
                button1.Enabled = false;
                checkBox1.Enabled = false;
                checkBox2.Enabled = false;
                checkBox3.Enabled = false;
                var client = new WebClient();
                var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/test.json");

                SCJSON3 post = JsonConvert.DeserializeObject<SCJSON3>(text);
                string mp3 = post.MP3Name;


                if (Directory.Exists(packlocation + mp3) == false)
                {
                    using (var webClient = new WebClient())
                    {
                        String rawJSON3 = webClient.DownloadString(post.MP3Url);
                        WebClient downloader = new WebClient();
                        Console.WriteLine("Downloading from " + rawJSON3);
                        this.Update();
                        downloader.DownloadProgressChanged += new DownloadProgressChangedEventHandler(downloader_DownloadProgressChanged);
                        downloader.DownloadFileCompleted += new AsyncCompletedEventHandler(downloader_DownloadFileComplete);
                        downloader.DownloadFileAsync(new Uri(rawJSON3), templocation + mp3 + ".zip");
                        label4.Text = "Downloading " + mp3 + "....";
                    }
                }
                else
                {
                    label4.Text = "Starting" + mp3 + "....";
                    bool AuthReasons = false;
                    string[] res = Auth(username.Text, password.Text, out AuthReasons Reason);
                    if (AuthReasons == true)
                    {
                        Console.WriteLine("starting");

                        Application.Exit();
                    }
                }
            }
        }

        void downloader_DownloadFileComplete(object sender, AsyncCompletedEventArgs e)
        {
            string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            string templocation = appdata + "/WiAD_Launcher/temp/";
            string packlocation = appdata + "/WiAD_Launcher/modpacks/";
            if (e.Error == null)
            {
                if (checkBox1.Checked)
                {
                    var client = new WebClient();
                    var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/test.json");

                    SCJSON1 post = JsonConvert.DeserializeObject<SCJSON1>(text);
                    string mp1 = post.MP1Name;
                    label4.Text = "Extracting....";
                    Directory.CreateDirectory(packlocation + mp1);
                    ZipFile.ExtractToDirectory(templocation + mp1 + ".zip", packlocation + mp1);
                    Thread.Sleep(5000);
                    progressBar1.Value = 0;
                    Console.WriteLine("Deleting file from Temp folder");
                    File.Delete(templocation + mp1 + ".zip");
                    button1.Enabled = true;
                    checkBox1.Enabled = true;
                    checkBox2.Enabled = true;
                    checkBox3.Enabled = true;
                    label4.Text = "Ready to run " + mp1 + "....";
                }
                else if (checkBox2.Checked)
                {
                    var client = new WebClient();
                    var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/test.json");

                    SCJSON2 post = JsonConvert.DeserializeObject<SCJSON2>(text);
                    string mp2 = post.MP2Name;
                    label4.Text = "Extracting....";
                    Directory.CreateDirectory(packlocation + mp2);
                    ZipFile.ExtractToDirectory(templocation + mp2 + ".zip", packlocation + mp2);
                    Thread.Sleep(5000);
                    progressBar1.Value = 0;
                    Console.WriteLine("Deleting file from Temp folder");
                    File.Delete(templocation + mp2 + ".zip");
                    button1.Enabled = true;
                    checkBox1.Enabled = true;
                    checkBox2.Enabled = true;
                    checkBox3.Enabled = true;
                    label4.Text = "Ready to run " + mp2 + "....";
                }
                else if (checkBox3.Checked)
                {
                    var client = new WebClient();
                    var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/test.json");

                    SCJSON3 post = JsonConvert.DeserializeObject<SCJSON3>(text);
                    string mp3 = post.MP3Name;
                    label4.Text = "Extracting....";
                    Directory.CreateDirectory(packlocation + mp3);
                    ZipFile.ExtractToDirectory(templocation + mp3 + ".zip", packlocation + mp3);
                    Thread.Sleep(5000);
                    progressBar1.Value = 0;
                    Console.WriteLine("Deleting file from Temp folder");
                    File.Delete(templocation + mp3 + ".zip");
                    button1.Enabled = true;
                    checkBox1.Enabled = true;
                    checkBox2.Enabled = true;
                    checkBox3.Enabled = true;
                    label4.Text = "Ready to run " + mp3 + "....";
                }
            }
            else
            {
                MessageBox.Show(e.Error.Message);
            }

        }

        void downloader_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
        {
            progressBar1.Maximum = (int)e.TotalBytesToReceive / 100;
            progressBar1.Value = (int)e.BytesReceived / 100;
        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void checkBox1_Click(object sender, EventArgs e)
        {
            checkBox2.Checked = false;
            checkBox3.Checked = false;
            var client = new WebClient();
            var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/modpack1.json");

            SCJSON1 post = JsonConvert.DeserializeObject<SCJSON1>(text);
            string mp1 = post.MP1Name;
            string mp1ow = post.MP1Creator;


            if (checkBox1.Checked)
            {
                label6.Text = mp1;
                label7.Text = mp1ow;
                string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
                string packlocation = appdata + "/WiAD_Launcher/modpacks/";
                label8.Text = packlocation + mp1 + "/";

            }
            else if (!checkBox1.Checked && !checkBox2.Checked && !checkBox3.Checked)
            {
                label6.Text = "None selected";
                label7.Text = ".......";
            }
        }
        private void checkBox2_Click(object sender, EventArgs e)
        {
            checkBox1.Checked = false;
            checkBox3.Checked = false;
            var client = new WebClient();
            var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/modpack2.json");

            SCJSON2 post = JsonConvert.DeserializeObject<SCJSON2>(text);
            string mp2 = post.MP2Name;
            string mp2ow = post.MP2Creator;

            if (checkBox2.Checked)
            {
                label6.Text = mp2;
                label7.Text = mp2ow;
                string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
                string packlocation = appdata + "/WiAD_Launcher/modpacks/";
                label8.Text = packlocation + mp2 + "/";
            }
            else if (!checkBox1.Checked && !checkBox2.Checked && !checkBox3.Checked)
            {
                label6.Text = "None selected";
                label7.Text = ".......";
            }
        }
        private void checkBox3_Click(object sender, EventArgs e)
        {
            checkBox1.Checked = false;
            checkBox2.Checked = false;
            var client = new WebClient();
            var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/modpack3.json");

            SCJSON3 post = JsonConvert.DeserializeObject<SCJSON3>(text);
            string mp3 = post.MP3Name;
            string mp3ow = post.MP3Creator;

            if (checkBox3.Checked)
            {
                label6.Text = mp3;
                label7.Text = mp3ow;
                string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
                string packlocation = appdata + "/WiAD_Launcher/modpacks/";
                label8.Text = packlocation + mp3 + "/";
            }
            else if (!checkBox1.Checked && !checkBox2.Checked && !checkBox3.Checked)
            {
                label6.Text = "None selected";
                label7.Text = ".......";
            }
        }
        private string[] Auth(String Username, String Password, out AuthReasons Reason)
        {
            HttpClient HClient = new HttpClient();
            if (String.IsNullOrWhiteSpace(Username) || String.IsNullOrWhiteSpace(Password)) { Reason = AuthReasons.NoInfoProvided; return null; }
            string json = JsonConvert.SerializeObject(new { password = Password, username = Username });
            using (HttpRequestMessage reqmsg = new HttpRequestMessage())
            {
                reqmsg.RequestUri = new Uri("https://authserver.mojang.com/authenticate");
                reqmsg.Content = new StringContent(json, Encoding.UTF8, "application/json");
                reqmsg.Method = HttpMethod.Post;
                if ((HClient.SendAsync(reqmsg).GetAwaiter().GetResult()).IsSuccessStatusCode)
                {
                    Reason = AuthReasons.LoginSuccess;
                    Console.WriteLine("succesful");
                    StartMinecraft();
                    return json.Split(new char[] { ':' });
                }
                else
                {
                    Reason = AuthReasons.InvalidAuth;
                    Console.WriteLine("invalid");
                    return null;
                }
            }
        }
        public enum AuthReasons
        {
            LoginSuccess = 1,
            NoInfoProvided = 2,
            InvalidAuth = 3,
        }


        private void Options_Click(object sender, EventArgs e)
        {
            if (Directory.Exists(label8.Text) == false)
                label8.Text = "Modpack not installed!";
            string m = label8.Text;
            string mpS = label6.Text;
            string mpO = label7.Text;

            Form2 f2 = new Form2(mpS, mpO, m);
            f2.Show();
        }

        private string findJavaVersion()
        {
            try
            {
                ProcessStartInfo psi = new ProcessStartInfo();
                psi.FileName = "java.exe";
                psi.Arguments = " -version";
                psi.RedirectStandardError = true;
                psi.UseShellExecute = false;

                Process pr = Process.Start(psi);
                string strOutput = pr.StandardError.ReadLine().Split(' ')[2].Replace("\"", "");

                Console.WriteLine(strOutput);
                string filePath = strOutput + "/bin/Javaw.exe";
                return filePath;
            }
            catch (Exception ex)
            {
                Console.WriteLine("Exception is " + ex.Message);
                return null;
            }
        }
        private void StartMinecraft()
        {
            string filePath = findJavaVersion();
            string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            string packlocation = appdata + "/WiAD_Launcher/modpacks/";

            var client = new WebClient();
            var text = client.DownloadString("https://wad0.000webhostapp.com/uploads/modpack1.json");
            SCJSON1 post = JsonConvert.DeserializeObject<SCJSON1>(text);
            string mp1 = post.MP1Name;

            Process process = new Process();
            ProcessStartInfo info = new ProcessStartInfo();
            string dir = packlocation + mp1 + "/bin/";
            info.FileName = filePath;
            info.CreateNoWindow = true;
            info.Arguments = "-cp \"" + dir + "minecraft.jar;" + dir + "lwjgl.jar;" + dir + "lwjgl_util.jar;" + dir + "jinput.jar;\" ";
            info.Arguments += "\"-Djava.library.path=" + dir + "natives\" -Xmx1024M -Xms512M net.minecraft.client.Minecraft " + username + " " + password;
            process.StartInfo = info;
            process.Start();


            Console.WriteLine("process");
        }
        private void process_Exited(object sender, EventArgs e)
        {
            button1.Enabled = true;
            checkBox1.Enabled = true;
            checkBox2.Enabled = true;
            checkBox3.Enabled = true;
        }
        private string CheckOS()
        {
            switch (Environment.OSVersion.Platform)
            {
                case PlatformID.Unix:
                    return (Directory.Exists("/Applications") & Directory.Exists("/System") & Directory.Exists("/Users") & Directory.Exists("/Volumes")) ? "osx" : "linux";
                case PlatformID.MacOSX:
                    return "osx";
                default:
                    return "windows";
            }
        }

        public class SCJSON1
        {
            public string MP1Name { get; set; }
            public string MP1Url { get; set; }
            public string MP1Creator { get; set; }
            public string MP1Latest { get; set; }
        }
        public class SCJSON2
        {
            public string MP2Name { get; set; }
            public string MP2Url { get; set; }
            public string MP2Creator { get; set; }
            public string MP2Latest { get; set; }
        }
        public class SCJSON3
        {
            public string MP3Name { get; set; }
            public string MP3Url { get; set; }
            public string MP3Creator { get; set; }
            public string MP3Latest { get; set; }
        }
    }
}