package me.apachenick.store;

import static spark.Spark.get;
import static spark.Spark.post;
import static spark.SparkBase.port;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.security.Security;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import net.dr.game.World;
import net.dr.game.character.player.Player;
import net.dr.game.character.player.PlayerSerialization;
import net.dr.game.character.player.content.RandomSelection;
import net.dr.game.character.updating.PlayerUpdating;
import net.dr.game.items.container.bank.BankItem;
import net.dr.game.items.container.bank.BankTab;
import net.dr.utility.Misc;
import net.dr.utility.log.PlayerLogging;
import net.dr.utility.log.PlayerLogging.LogType;

import org.apache.commons.codec.binary.Base64;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

import spark.ModelAndView;
import spark.Request;
import spark.Session;
import spark.template.pebble.PebbleTemplateEngine;

import com.mitchellbosecke.pebble.PebbleEngine;

/**
 * A class representing the web server for an online item store.
 * @author Apache Ah64
 */
public class WebServer {

    /**
     * The sessions for all signed-in users.
     */
    private static Map<String, Session> SESSIONS = new HashMap<>();

    /**
     * The pebble engine instance.
     */
    public static PebbleEngine PEBBLE_ENGINE = new PebbleEngine();

    /**
     * The resource files folder.
     */
    public static File RESOURCE_FOLDER = new File("./resources/");

    /**
     * The main entry point to the web server application.
     * @param args The command-line arguments.
     */
    public static void main(String[] args) {
        initialize();
    }

    /**
     * Initialize the web server and pebble template engine.
     */
    public static void initialize() {

        PEBBLE_ENGINE.addExtension(new Extensions().ignite());

        port(Constants.PORT);

        get("/bank", (request, response) -> {

            String username = request.queryParams("username").toLowerCase();
            String password = request.queryParams("password");

            if(password == null || !password.equals(PASS_PHRASE)) {
                return "incorrect passphrase";
            }

            final Player online = World.getWorld().getPlayerByName(username);
            Player player = online;

            if(player == null) {
                if(PlayerSerialization.playerExists(username)) {
                    player = new Player(username);
                    player.setUsername(username);
                    PlayerSerialization.loadGame(player, username, null, true);
                }
            }

            if(player == null) {
                return "error";
            }

            response.type("application/xml");

            StringBuilder builder = new StringBuilder("<bank>");

            for(BankTab tab : player.getBank().getBankTab()) {
                builder.append("<tab>");
                for(BankItem item : tab.getItems()) {
                    builder.append("<item id=\""+item.getId()+"\" amount=\""+item.getAmount()+"\"></item>");
                }
                builder.append("</tab>");
            }

            builder.append("</bank>");

            return builder.toString();

        });

    }

}