using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Windows.Shell;

namespace GamerServices
{
    public partial class FormMain : Form {
        #region Varibles
        public String GamerServicesVersion;
        public Networker Networker;
        public Downloader Downloader;

        public FormLogin FormLogin;

        public String Username = "Bromvlieg";
        public String Sessionkey = "";
        public bool Connected = false;
        public byte PopupAction = 0;

        public Game[] Games;
        public Game CurrentPlayingGame;
        public List<Friend> Friends = new List<Friend>();
        public Font DefaultFont;

        Properties.Settings settings = new Properties.Settings();

        public String Settings_Username {
            get { return settings.Username; }
            set { settings.Username = value; }
        }

        public String Settings_Password {
            get { return settings.Password; }
            set { settings.Password = value; }
        }
        #endregion

        public FormMain(FormLogin log)
        {
            InitializeComponent();

            Networker = new GamerServices.Networker(this);
            Downloader = new Downloader(this);

            FormLogin = log;

            bool changed = false;
            MrAG.Config.Read("config.gs");

            if (!MrAG.Config.Section_Exists("Main")) {
                System.Collections.Hashtable maintbl = new System.Collections.Hashtable();

                maintbl["Version"] = "0.0.0.0";
                maintbl["Language"] = "English";

                MrAG.Config.Section_Set("Main", maintbl);

                changed = true;
            }

            if (!MrAG.Config.Section_Exists("Fonts")) {
                System.Collections.Hashtable maintbl = new System.Collections.Hashtable();
                
                maintbl["General"] = "Microsoft Sans Serif";
                maintbl["General_Size"] = "8.25";
                maintbl["General_Style"] = "Regular";
                maintbl["GameDesc"] = "Calibri";
                maintbl["GameDesc_Size"] = "9.75";
                maintbl["GameDesc_Style"] = "Regular";
                maintbl["Chat"] = "Microsoft Sans Serif";
                maintbl["Chat_Size"] = "8.25";
                maintbl["Chat_Style"] = "Regular";
                maintbl["Chat_Header"] = "Calibri";
                maintbl["Chat_Header_Size"] = "14.25";
                maintbl["Chat_Header_Style"] = "Bold";
                maintbl["Chat_Sub"] = "Calibri";
                maintbl["Chat_Sub_Size"] = "9";
                maintbl["Chat_Sub_Style"] = "Regular";

                MrAG.Config.Section_Set("Fonts", maintbl);

                changed = true;
            }

            if (!MrAG.Config.Section_Exists("Settings")) {
                System.Collections.Hashtable maintbl = new System.Collections.Hashtable();

                maintbl["ChatSound"] = "true";
                maintbl["ChatPopup"] = "true";
                maintbl["ChatPopupIngame"] = "true";
                maintbl["ChatFlash"] = "true";
                maintbl["IngamePopups"] = "true";

                MrAG.Config.Section_Set("Settings", maintbl);

                changed = true;
            }

            if (!MrAG.Config.Section_Exists("Friends_Blocked")) {
                MrAG.Config.Section_Set("Friends_Blocked", new System.Collections.Hashtable());

                changed = true;
            }

            if (!MrAG.Config.Section_Exists("Friends_Renamed")) {
                MrAG.Config.Section_Set("Friends_Renamed", new System.Collections.Hashtable());

                changed = true;
            }

            if (changed)
                MrAG.Config.Write("config.gs");

            this.GamerServicesVersion = MrAG.Config.Value_Get("Main", "Version");

            DefaultFont = GetFont("General");

            labelGameDescription.Font = GetFont("GameDesc");
            fileToolStripMenuItem.Font = DefaultFont;
            helpToolStripMenuItem.Font = DefaultFont;
            friendsToolStripMenuItem.Font = DefaultFont;
            tabControl1.Font = DefaultFont;
            listAchievements.Font = DefaultFont;
            listGames.Font = DefaultFont;
        }

        public Font GetFont(string configname) {
            string name = MrAG.Config.Value_Get("Fonts", configname, "Calibri");
            float size = float.Parse(MrAG.Config.Value_Get("Fonts", configname + "_Size", "8.5"), System.Globalization.CultureInfo.InvariantCulture.NumberFormat);
            FontStyle style = FontStyle.Regular;
            
            switch(MrAG.Config.Value_Get("Fonts", configname + "_Style", "Regular")){
                case "Bold":
                    style = FontStyle.Bold;
                    break;

                case "Italic":
                    style = FontStyle.Italic;
                    break;

                case "Regular":
                    style = FontStyle.Regular;
                    break;

                case "Strikeout":
                    style = FontStyle.Strikeout;
                    break;

                case "Underline":
                    style = FontStyle.Underline;
                    break;
            }

            
            return new Font(name, size, style);
        }

        #region Public functions
        public void Die(String Reason)
        {
            if (Sessionkey != "")
                Networker.Logout();

            this.trayIcon.Dispose();
            MessageBox.Show(Reason, "Fatal error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            System.Diagnostics.Process.GetCurrentProcess().Kill();
        }

        public void Error(String Reason)
        {
            MessageBox.Show(Reason, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }

        public void Error(String title, String Reason, MessageBoxIcon icon)
        {
            MessageBox.Show(Reason, title, MessageBoxButtons.OK, icon);
        }

        public void PlaceholderText()
        {
            picGameIcon.Image = new Bitmap(32, 32);
            labelGameName.Text = "...";
            labelGameDescription.Text = "...";
        }

        public Game GetGame(short ID) {
            foreach (Game g in Games) {
                if (g.GameID == ID)
                    return g;
            }

            return null;
        }

        public Friend GetFriend(string username) {
            foreach (Friend f in Friends) {
                if (f.Username == username)
                    return f;
            }

            return null;
        }

        public Friend GetFriend(int userID) {
            foreach (Friend f in Friends) {
                if (f.UserID == userID)
                    return f;
            }

            return null;
        }

        public void Popup(string title, string msg, byte action) {
            if (this.CurrentPlayingGame != null && this.CurrentPlayingGame.GetAPIConnection() != null) {
                this.CurrentPlayingGame.GetAPIConnection().Send(5, 9 + msg.Length + title.Length, title, msg, (byte)0);
            } else {
                this.PopupAction = action;
                this.trayIcon.BalloonTipTitle = title;
                this.trayIcon.ShowBalloonTip(2000, title, msg, ToolTipIcon.Info);
            }
        }

        public void Popup(string title, string msg, byte action, byte msgtype) {
            if (this.CurrentPlayingGame != null && this.CurrentPlayingGame.GetAPIConnection() != null) {
                if (msgtype == 1) {
                    Friend f = GetFriend(title);
                    if (f != null){
                        string url = "http://" + "www.gravatar.com/avatar/" + f.AvatarURL + "?s=64";
                        this.CurrentPlayingGame.GetAPIConnection().Send(6, 9 + url.Length + title.Length, title, url);
                    }
                }
                this.CurrentPlayingGame.GetAPIConnection().Send(5, 9 + msg.Length + title.Length, title, msg, msgtype);
            } else {
                this.PopupAction = action;
                this.trayIcon.BalloonTipTitle = title;
                this.trayIcon.ShowBalloonTip(2000, title, msg, ToolTipIcon.Info);
            }
        }

        public void SetGameData(short gameID, string text, Game.GameStatus status) {
            for (int i = 0; i < this.listGames.Items.Count; i++) {
                if ((short)this.listGames.Items[i].Tag == gameID) {
                    this.listGames.Items[i].Text = text;
                    this.listGames.Items[i].ImageIndex = (int)status;
                    break;
                }
            }
        }

        public void SortGames() {
            lock (Games) {
                Games = Games.OrderBy(Game => Game.Status).ToArray<Game>();
                UpdateGamesList();
            }
        }

        public void LoadRemainingDownloads() {
            if (!File.Exists("downloading.txt"))
                return;

            string[] data = File.ReadAllText("downloading.txt").Replace("\t", "").Split('\n');

            if (data.Length > 0 && data[0].Length > 0) {
                lock (Downloader.FilesToDownload) {
                    for (int i = 0; i < data.Length; i++) {
                        string[] verngameid = data[i].Split(' ');
                        short GameID = short.Parse(verngameid[0]);
                        int actions = 0;
                        Game g = GetGame(GameID);
                        g.Status = Game.GameStatus.DOWNLOADING;
                        g.Version = verngameid[1];

                        if (data[i + 1] == "{") {
                            i += 2;
                            while (data[i] != "}") {
                                Downloader.DownloadInfo info = new Downloader.DownloadInfo();
                                info.Path = data[i + 0];
                                info.URL = "http://" + "gs.mrag.nl/download.php?gid=" + GameID + "&file=" + data[i + 0];
                                info.Action = byte.Parse(data[i + 1]);
                                info.GameID = GameID;
                                info.Version = g.Version;

                                Downloader.FilesToDownload.Add(info);
                                actions++;
                                i += 2;
                            }
                        }

                        for (int i2 = 0; i2 < Downloader.FilesToDownload.Count; i2++) {
                            if (Downloader.FilesToDownload[i2].GameID == GameID) {
                                Downloader.FilesToDownload[i2].TotalActions = actions;
                            }
                        }
                    }
                }
            }
        }

        public void UpdateGamesList()
        {
            lock (this.listGames) {
                this.listGames.Items.Clear();
                
                for (int i = 0; i < this.Games.Length; i++) {
                    ListViewItem lvi = new ListViewItem(this.Games[i].Name);
                    lvi.ImageIndex = (int)this.Games[i].Status;
                    this.listGames.Items.Add(lvi);
                    lvi.Tag = this.Games[i].GameID;
                }
            }
 
        }

        public void AddFriend(string name, int userID, bool online, string avatar, short curgame) {
            Friend f = new Friend(this);
            f.Username = name;
            f.Online = online;
            f.UserID = userID;
            f.AvatarURL = avatar;
            f.GameID = curgame;

            Friends.Add(f);

            UpdateFriendList();
        }

        public void AddFriendRequest(string username) {
            ToolStripMenuItem itm = new ToolStripMenuItem();
            itm.Text = username;
            itm.Click += new EventHandler(OpenChat);

            ToolStripMenuItem y = new ToolStripMenuItem();
            y.Text = "Accept";
            y.Tag = username;
            y.Click += new EventHandler(AcceptFriendRequest);

            ToolStripMenuItem n = new ToolStripMenuItem();
            n.Text = "Decline";
            n.Tag = username;
            n.Click += new EventHandler(RefuseFriendRequest);
            
            itm.DropDownItems.Add(y);
            itm.DropDownItems.Add(n);
            
            requestsToolStripMenuItem.DropDownItems.Add(itm);
        }

        public void UpdateFriendList() {
            onlineToolStripMenuItem.DropDownItems.Clear();
            offlineToolStripMenuItem.DropDownItems.Clear();

            foreach (Friend f in Friends) {
                ToolStripMenuItem itm = new ToolStripMenuItem();
                itm.Text = f.Username;
                itm.Enabled = f.Online;
                itm.Click += new EventHandler(OpenChat);
            
                if (f.Online) onlineToolStripMenuItem.DropDownItems.Add(itm);
                else offlineToolStripMenuItem.DropDownItems.Add(itm);
            }

            onlineToolStripMenuItem.Text = "Online" + (onlineToolStripMenuItem.DropDownItems.Count > 0 ? " (" + onlineToolStripMenuItem.DropDownItems.Count + ")" : "");
            offlineToolStripMenuItem.Text = "Offline" + (offlineToolStripMenuItem.DropDownItems.Count > 0 ? " (" + offlineToolStripMenuItem.DropDownItems.Count + ")" : "");
        }

        public void SetFriendOnline(int userID, bool online) {
            GetFriend(userID).SetOnline(online);
            UpdateFriendList();
        }

        public void AcceptFriendRequest(object sender, EventArgs e) {
            Networker.Connection.Send(6, 0, (string)(sender as ToolStripMenuItem).Tag, true);

            requestsToolStripMenuItem.DropDownItems.Remove((sender as ToolStripMenuItem).OwnerItem);
        }

        public void RefuseFriendRequest(object sender, EventArgs e) {
            Networker.Connection.Send(6, 0, (string)(sender as ToolStripMenuItem).Tag, false);

            requestsToolStripMenuItem.DropDownItems.Remove((sender as ToolStripMenuItem).OwnerItem);
        }

        public void OpenChat(object sender, EventArgs e) {
            string name = (sender as ToolStripMenuItem).Text;

            foreach (Friend f in Friends) {
                if (f.Username == name) {
                    f.OpenChat();
                    break;
                }
            }
        }
        #endregion

        #region Form Functions
        private void buttonUninstall_Click(object sender, EventArgs e) {
            if (listGames.SelectedItems.Count == 0)
                return;

            Game_Uninstall(null, null);

            buttonPlay.Text = "Install";
            buttonPlay.Visible = true;
            buttonUpdate.Visible = false;
            buttonUninstall.Visible = false;
        }

        private void buttonUpdate_Click(object sender, EventArgs e) {
            if (listGames.SelectedItems.Count == 0)
                return;

            Game_Update(null, null);

            buttonPlay.Visible = false;
            buttonUpdate.Visible = false;
            buttonUninstall.Visible = false;
        }

        private void buttonPlay_Click(object sender, EventArgs e) {
            if (listGames.SelectedItems.Count == 0)
                return;

            short id = (short)listGames.SelectedItems[0].Tag;

            if (buttonPlay.Text == "Play") {
                Game_Start(null, null);
            } else {
                Game_Install(null, null);
            }

            Game Game = GetGame(id);
            if (Game == null)
                return;

            buttonPlay.Text = Game.Status == GamerServices.Game.GameStatus.INSTALLED ? "Play" : Game.Status == GamerServices.Game.GameStatus.UNINSTALLED ? "Install" : "";
            buttonPlay.Visible = Game.Status != GamerServices.Game.GameStatus.DOWNLOADING;
            buttonUpdate.Visible = Game.Status == GamerServices.Game.GameStatus.INSTALLED;
            buttonUninstall.Visible = Game.Status == GamerServices.Game.GameStatus.INSTALLED;
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            settings.Save();
            Networker.Logout();

            foreach (Friend f in Friends) {
                if (f.ChatWindow != null) f.ChatWindow.Close();
            }

            foreach (Game g in Games) {
                g.ForceStop = true;
            }

            this.Close();
            FormLogin.Close();
        }

        private void FormMain_Load(object sender, EventArgs e)
        {
            CheckForIllegalCrossThreadCalls = false;
            PlaceholderText();

            LoadRemainingDownloads();
        }

        private void timerUpdate_Tick(object sender, EventArgs e)
        {
            if (this.Connected) {
                Networker.Update();
            }
        }

        private void listGames_SelectedIndexChanged(object sender, EventArgs e)
        {
            PlaceholderText();

            if (listGames.SelectedItems.Count == 1) {
                ListViewItem lvi = listGames.SelectedItems[0];
                Game Game = GetGame((short)lvi.Tag);
                if (Game != null) {
                    labelGameName.Text = Game.Name;
                    labelGameDescription.Text = Game.Description;
                    buttonPlay.Text = Game.Status == GamerServices.Game.GameStatus.INSTALLED ? "Play" : Game.Status == GamerServices.Game.GameStatus.UNINSTALLED ? "Install" : "";
                    buttonPlay.Visible = Game.Status != GamerServices.Game.GameStatus.DOWNLOADING;
                    buttonUpdate.Visible = Game.Status == GamerServices.Game.GameStatus.INSTALLED;
                    buttonUninstall.Visible = Game.Status == GamerServices.Game.GameStatus.INSTALLED;

                    if (Game.Status == GamerServices.Game.GameStatus.INSTALLED && File.Exists("Games/" + Game.GameID.ToString() + "/GameIcon.png"))
                    {
                        picGameIcon.Image = Image.FromFile("Games/" + Game.GameID.ToString() + "/GameIcon.png");
                    }
                    else
                    {
                        if (File.Exists("Media/DefaultGameIcon.png"))
                            picGameIcon.Image = Image.FromFile("Media/DefaultGameIcon.png");
                        else
                            picGameIcon.Image = new Bitmap(32, 32);
                    }

                    groupDeveloperToolBox.Visible = Game.IsDevUser;
                    if (Game.IsDevUser) {
                        groupDeveloperToolBox.Text = "Developer Settings - " + Game.Name;
                        textExecuteblePath.Text = Game.MainExe;
                        labelVersion.Text = Game.Version;
                    }


                    listAchievements.Items.Clear();
                    foreach (Game.Achievement a in Game.Achievements) {
                        ListViewItem itm = new ListViewItem();

                        itm.Text = a.Name;
                        itm.BackColor = Color.GreenYellow;
                        itm.SubItems.Add(a.Points.ToString());

                        if (a.CurProg < a.TargetProg) {
                            itm.BackColor = Color.OrangeRed;
                        }

                        itm.SubItems.Add(a.Desc);

                        listAchievements.Items.Add(itm);
                    }
                }
            } else {
                labelGameName.Text = "...";
                labelGameDescription.Text = "";
                buttonPlay.Visible = false;
                buttonUpdate.Visible = false;
                buttonUninstall.Visible = false;
                groupDeveloperToolBox.Visible = false;
                listAchievements.Items.Clear();
            }
        }

        private string GetSub(string line, string find_start, string find_end) {
            int start = line.IndexOf(find_start) + find_start.Length;
            int end = line.IndexOf(find_end, start) - start;

            return line.Substring(start, end);
        }

        private void textExecuteblePath_TextChanged(object sender, EventArgs e) {
            if (listGames.SelectedItems.Count == 1) {
                Game Game = GetGame((short)listGames.SelectedItems[0].Tag);

                Game.MainExe = textExecuteblePath.Text;
            }
        }

        private void listGames_MouseClick(object sender, MouseEventArgs e)
        {
            if (listGames.SelectedItems.Count == 0)
                return;

            if (e.Button == MouseButtons.Right)
            {
                Game Game = GetGame((short)listGames.SelectedItems[0].Tag);

                ContextMenu context = new ContextMenu();

                if (Game.Status == Game.GameStatus.UNINSTALLED) {
                    MenuItem InstallItem = new MenuItem("Install");
                    InstallItem.Click += new EventHandler(Game_Install);
                    context.MenuItems.Add(InstallItem);
                }else if (Game.Status == Game.GameStatus.INSTALLED) {
                    if (Game.IsDevUser) {
                        MenuItem item8 = new MenuItem("Normal Options");
                        item8.Enabled = false;
                        context.MenuItems.Add(item8);
                    }
                    MenuItem item1 = new MenuItem("Start");
                    item1.Click += new EventHandler(Game_Start);
                    item1.Enabled = CurrentPlayingGame == null;
                    context.MenuItems.Add(item1);
                    
                    MenuItem item3 = new MenuItem("Update");
                    item3.Click += new EventHandler(Game_Update);
                    item3.Enabled = CurrentPlayingGame != Game;
                    context.MenuItems.Add(item3);

                    MenuItem item2 = new MenuItem("Uninstall");
                    item2.Click += new EventHandler(Game_Uninstall);
                    item2.Enabled = CurrentPlayingGame != Game;
                    context.MenuItems.Add(item2);

                    if (Game.IsDevUser) {
                        MenuItem item7 = new MenuItem("Developer Options");
                        item7.BarBreak = true;
                        item7.Enabled = false;
                        context.MenuItems.Add(item7);

                        MenuItem item5 = new MenuItem("Push update");
                        item5.Click += new EventHandler(Game_DevUpdate);
                        item5.Enabled = CurrentPlayingGame != Game;
                        context.MenuItems.Add(item5);

                        MenuItem item4 = new MenuItem("Start");
                        item4.Click += new EventHandler(Game_DevStart);
                        item4.Enabled = CurrentPlayingGame == null;
                        context.MenuItems.Add(item4);

                        MenuItem item6 = new MenuItem("Stop");
                        item6.Click += new EventHandler(Game_DevStop);
                        item6.Enabled = CurrentPlayingGame == Game && Game.Devmode;
                        context.MenuItems.Add(item6);
                    }
                }

                context.Show(listGames, new Point(e.X, e.Y));
            }
        }

        void Game_Start(object sender, EventArgs e) {
            GetGame((short)listGames.SelectedItems[0].Tag).Start();
        }

        void Game_DevStart(object sender, EventArgs e) {
            GetGame((short)listGames.SelectedItems[0].Tag).DevStart();
        }

        void Game_Update(object sender, EventArgs e) {
            GetGame((short)listGames.SelectedItems[0].Tag).Update();
        }

        void Game_Install(object sender, EventArgs e)
        {
            GetGame((short)listGames.SelectedItems[0].Tag).Install();
        }

        void Game_DevStop(object sender, EventArgs e) {
            GetGame((short)listGames.SelectedItems[0].Tag).DevStop();
        }

        void Game_DevUpdate(object sender, EventArgs e) {
            GetGame((short)listGames.SelectedItems[0].Tag).DevUpdate();
        }

        void Game_Uninstall(object sender, EventArgs e)
        {
            if (MessageBox.Show("Are you sure you want to uninstall?", "Uninstall", MessageBoxButtons.YesNo, MessageBoxIcon.Error) != DialogResult.Yes) {
                return;
            }

            GetGame((short)listGames.SelectedItems[0].Tag).Uninstall();
        }

        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            new FormAbout().ShowDialog();
        }

        private void PingTimer_Tick(object sender, EventArgs e) {
            if (this.Connected) {
                Networker.Connection.Send(2, 0);
            }
        }

        private void FormMain_FormClosing(object sender, FormClosingEventArgs e) {
            Networker.Logout();
            settings.Save();
            this.trayIcon.Dispose();
            
            FormLogin.Close();

            if (Downloader != null && Downloader.DownloadThread != null)
                Downloader.DownloadThread.Abort();
        }

        private void trayIcon_MouseDoubleClick(object sender, MouseEventArgs e) {
            this.Show();
        }

        private void listAchievements_SelectedIndexChanged(object sender, EventArgs e) {
            foreach (ListViewItem itm in listAchievements.SelectedItems) {
                itm.Selected = false;
            }

            listAchievements.SelectedIndices.Clear();
        }

        private void logoutToolStripMenuItem_Click(object sender, EventArgs e) {
            Logout();
        }

        public void Logout() {
            Networker.Connection.Send(1, 0);
            Networker.Connection.Connection.Close();

            Networker.Connection = null;
            Connected = false;

            settings.Username = "";
            settings.Password = "";
            settings.Save();

            Username = "";
            Sessionkey = "";

            foreach (Friend f in Friends) {
                if (f.ChatWindow != null) f.ChatWindow.Close();
            }
            Friends.Clear();

            foreach (Game g in Games) {
                g.ForceStop = true;
            }
            Games = new Game[0];

            this.CurrentPlayingGame = null;
            
            FormLogin.Enabled = true;
            FormLogin.textUsername.Text = "";
            FormLogin.textPassword.Text = "";
            FormLogin.connected = false;
            FormLogin.Show();

            Hide();
        }

        private void addToolStripMenuItem_Click(object sender, EventArgs e) {
            FormAddFriend f = new FormAddFriend(this);
            f.ShowDialog(this);
        }

        void trayIcon_BalloonTipClicked(object sender, EventArgs e) {
            switch (this.PopupAction) {
                case 0:
                    break;

                case 1:
                    foreach(Friend f in this.Friends){
                        if (f.Username == trayIcon.BalloonTipTitle) {
                            if (f.ChatWindow != null && !f.ChatWindow.IsDisposed) {
                                f.ChatWindow.FocusTextBar();
                                f.ChatWindow.BringToFront();
                            } else {
                                f.OpenChat();
                            }
                            break;
                        }
                    }
                    break;

                case 2:
                    foreach(Friend f in this.Friends){
                        if (f.Username == trayIcon.BalloonTipTitle) {
                            if (f.ChatWindow != null && !f.ChatWindow.IsDisposed) {
                                f.ChatWindow.FocusTextBar();
                                f.ChatWindow.BringToFront();
                            } else {
                                f.OpenChat();
                            }
                            break;
                        }
                    }
                    break;
            }
        }

        private void buttonChecksumTool_Click(object sender, EventArgs e)
        {
            new FormChecksum()
            {
                GameID = (short)listGames.SelectedItems[0].Tag
            }.Show();
        }
        #endregion
    }
}