/*
 *  This file is part of the Haven & Hearth game client.
 *  Copyright (C) 2009 Fredrik Tolf <[email protected]>, and
 *                     Björn Johannessen <[email protected]>
 *
 *  Redistribution and/or modification of this file is subject to the
 *  terms of the GNU Lesser General Public License, version 3, as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  Other parts of this source tree adhere to other copying
 *  rights. Please see the file `COPYING' in the root directory of the
 *  source tree for details.
 *
 *  A copy the GNU Lesser General Public License is distributed along
 *  with the source tree of which this file is a part in the file
 *  `doc/LPGL-3'. If it is missing for any reason, please see the Free
 *  Software Foundation's website at <http://www.fsf.org/>, or write
 *  to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *  Boston, MA 02111-1307 USA
 */

package haven;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;

import femmod.AccountsPanel;
import femmod.AccountsPanel.AccountAddPanel;
import femmod.AccountsPanel.AccountData;
import femmod.ServerStatusWnd;

public class LoginScreen extends Widget {
    public static LoginScreen Instance;
    public Text error;
    IButton btn;
    static Text.Foundry textf, textfs;
    Tex bg = Resource.loadtex("gfx/loginscr");
    Tex logo = Resource.loadtex("gfx/logo");
    Text progress = null;

    // multilogin windows
    AccountsPanel accountsWidget = null;
    AccountAddPanel accountsAddWidget = null;

    static {
        textf = new Text.Foundry(new java.awt.Font("Sans", java.awt.Font.PLAIN, 16));
        textfs = new Text.Foundry(new java.awt.Font("Sans", java.awt.Font.PLAIN, 14));
    }

    public LoginScreen(Widget parent) {
        super(Coord.z, new Coord(800, 600), parent);

        setfocustab(true);
        parent.setfocus(this);
        new Img(Coord.z, bg, this);
        new Img(new Coord(420, 215).add(logo.sz().div(2).inv()), logo, this);

        new ServerStatusWnd(this);
        // show changelog on first run after update;
        // boolean same = Config.currentVersion.equals(MainFrame.VERSION);
        // if (!same) {
        // Config.currentVersion = MainFrame.VERSION;
        // Config.saveOptions();
        // showChangelog();
        // }

        Instance = this;
    }

    @SuppressWarnings("unused")
    private void showChangelog() {
        Window wnd = new Window(new Coord(100, 50), new Coord(50, 50), ui.root, "Changelog");
        wnd.justclose = true;
        Textlog txt = new Textlog(Coord.z, new Coord(350, 500), wnd);
        int maxlines = txt.maxLines = 200;
        wnd.pack();
        try {
            FileInputStream fstream;
            fstream = new FileInputStream("changelog.txt");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in, "UTF-8"));
            String strLine;
            int count = 0;
            while ((count < maxlines) && (strLine = br.readLine()) != null) {
                txt.append(strLine);
                count++;
            }
            br.close();
            in.close();
            fstream.close();
        } catch (FileNotFoundException e) {
        } catch (IOException e) {
        }
        txt.setprog(0);
    }

    private void mklogin() {
        synchronized (ui) {
            progress(null);
        }
    }

    public void error(String error) {
        synchronized (ui) {
            if (this.error != null)
                this.error = null;
            if (error != null)
                this.error = textf.render(error, java.awt.Color.RED);
        }
    }

    private void progress(String p) {
        synchronized (ui) {
            if (progress != null)
                progress = null;
            if (p != null)
                progress = textf.render(p, java.awt.Color.WHITE);
        }
    }

    public void clear() {
        synchronized (ui) {
            if (accountsWidget != null) {
                ui.destroy(accountsWidget);
                accountsWidget = null;
            }
            if (accountsAddWidget != null) {
                ui.destroy(accountsAddWidget);
                accountsAddWidget = null;
            }

            try {
                throw new Exception();
            } catch (Exception e) {
                e.printStackTrace();
            }

            accountsWidget = new AccountsPanel(new Coord(50, 70), new Coord(300, 600), this);
            accountsAddWidget = accountsWidget.new AccountAddPanel(new Coord(35, 10), new Coord(300, 100), this);
            mklogin();
        }
    }

    // ////////////////////////////////////////////////////////////////////
    // Widget methods
    public void wdgmsg(Widget sender, String msg, Object... args) {
        if (sender == accountsWidget) {
            if (msg == "accountLogin") {
                AccountData account = (AccountData) args[0];

                if (account != null)
                    super.wdgmsg("login", new Object[] { account.Name, account.Pass, false });
            }
        } else if (sender == accountsAddWidget)
            accountsWidget.wdgmsg(sender, msg, args);
        else
            super.wdgmsg(sender, msg, args);
    }

    public void uimsg(String msg, Object... args) {
        synchronized (ui) {
            if (msg == "passwd") {
                clear();
            } else if (msg == "token") {
                super.wdgmsg("forget");
            } else if (msg == "error") {
                error((String) args[0]);
            } else if (msg == "prg") {
                error(null);
                clear();
                progress((String) args[0]);
            }
        }
    }

    public void draw(GOut g) {
        c = MainFrame.getCenterPoint().sub(400, 300);
        super.draw(g);
        if (error != null)
            g.image(error.tex(), new Coord(420 - (error.sz().x / 2), 500));
        if (progress != null)
            g.image(progress.tex(), new Coord(420 - (progress.sz().x / 2), 350));
    }

    public boolean type(char k, java.awt.event.KeyEvent ev) {
        // if( k == 10 )
        // {
        // if( ( accountsWidget != null ) && accountsWidget.enter() ) wdgmsg(
        // "login", new Object[] { account.Name, account.Pass } );
        // return ( true );
        // }
        return (super.type(k, ev));
    }
}