/*
 * Copyright (c) 2017, 7u83 <7u83@mail.ru>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package gui;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.TreeMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.prefs.Preferences;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.UIManager;
import org.json.JSONArray;
import org.json.JSONObject;
import sesim.AutoTraderLoader;

/**
 *
 * @author 7u83 <7u83@mail.ru>
 */
public class Globals {
    
    public interface CfgListener{
        void cfgChanged();
    }
    
    static ArrayList <CfgListener> cfg_listeners = new ArrayList<>();
    public static void notifyCfgListeners(){
        for (CfgListener l : cfg_listeners){
            l.cfgChanged();
        }
    }
    
    public static void addCfgListener(CfgListener l){
        cfg_listeners.add(l);
    }
    
    public static JFrame frame;

    static final String STRATEGYPREFS = "Strategies";
    static final String TRADERPREFS = "Traders";
    
    static final String DEVELSTATUS = "devel_status";
    public static final String GODMODE = "godmode";

    static public sesim.Exchange se;

    static public Preferences prefs;
    
    
    public static class CfgStrings{
        public static final String GODMODE = "godmode";        
    }
    
    
    public static String DEFAULT_EXCHANGE_CFG = 
              "{"
            + "  money_decimals: 2,"
            + "  shares_decimals: 0"
            + "}";
    
    //CfgStrings 
    

    static void setLookAndFeel(String selected) {

        try {
            String look = "com.seaglasslookandfeel.SeaGlassLookAndFeel";
            Class.forName(look);
            UIManager.installLookAndFeel("Sea Glass", look);
        } catch (ClassNotFoundException e) {
        }

        UIManager.LookAndFeelInfo[] lafInfo = UIManager.getInstalledLookAndFeels();
        for (UIManager.LookAndFeelInfo lafInfo1 : lafInfo) {
            if (lafInfo1.getName().equals(selected)) {
                String lafClassName = lafInfo1.getClassName();
                try {
                    UIManager.setLookAndFeel(lafClassName);
                    //  UIManager.setLookAndFeel("com.seaglasslookandfeel.SeaGlassLookAndFeel");
                    break;
                } catch (Exception e) {

                }
            }
        }
    }

    static AutoTraderLoader tloader = new AutoTraderLoader();

    static final Logger LOGGER = Logger.getLogger("com.cauwersin.sesim");

    static public final JSONArray getTraders() {
        String traders_json = Globals.prefs.get(TRADERPREFS, "[]");
        JSONArray traders = new JSONArray(traders_json);
        return traders;
    }

    static public final JSONObject getStrategies() {
        String cfglist = Globals.prefs.get(STRATEGYPREFS, "{}");
        JSONObject cfgs = new JSONObject(cfglist);
        return cfgs;
    }

    static public JSONObject getStrategy(String name) {
        return getStrategies().getJSONObject(name);
    }

    static public void getStrategiesIntoComboBox(JComboBox comboBox) {
        TreeMap stm = getStrategiesAsTreeMap();
        comboBox.removeAllItems();

        Iterator<String> i = stm.keySet().iterator();
        while (i.hasNext()) {
            comboBox.addItem(i.next());
        }

    }

    static public TreeMap getStrategiesAsTreeMap() {
        TreeMap strategies = new TreeMap();
        JSONObject cfgs = Globals.getStrategies();

        Iterator<String> i = cfgs.keys();
        while (i.hasNext()) {
            String k = i.next();
            JSONObject o = cfgs.getJSONObject(k);
            strategies.put(k, o);
        }
        return strategies;
    }

    static public final void saveStrategy(String name, JSONObject cfg) {
        JSONObject cfgs = getStrategies();
        cfgs.put(name, cfg);
        prefs.put(STRATEGYPREFS, cfgs.toString());
    }

    static void saveFile(File f) {

        JSONObject sobj = new JSONObject();
        JSONArray traders = getTraders();
        JSONObject strategies = getStrategies();
        sobj.put("strategies", strategies);
        sobj.put("traders", traders);
        try {
            PrintWriter out = new PrintWriter(f.getAbsolutePath());
            out.print(sobj.toString(4));
            out.close();
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Globals.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

}