/*
    Connect four - written in java
    Copyright (C) 2020 Oliver Schappacher and Dorian Zedler

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    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.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package de.itsblue.ConnectFour.player;

import java.awt.event.*;
import java.util.Scanner;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import de.itsblue.ConnectFour.Plate.*;
import de.itsblue.ConnectFour.*;

/**
 * LocalPlayer is a class meant for usage with de.itsblue.ConnectFour. It is
 * used for a player controlled by the local buttons in the button row.
 * 
 * @author Dorian Zedler
 */
public class RemotePlayerClient extends Player implements PlayerMoveListener {

    private Socket socket;
    private Scanner in;
    private PrintWriter out;

    private Player opponent;

    /**
     * Constructor
     * 
     * @param controlledByButtonRow The button row used to control the player.
     */
    public RemotePlayerClient(ButtonRow gameControllingButtonRow, String serverAddress, Player opponent) {
        super(gameControllingButtonRow, null);

        this.opponent = opponent;
        opponent.addMoveListener(this);

        try {
            socket = new Socket(serverAddress, 4444);
            in = new Scanner(socket.getInputStream());
            out = new PrintWriter(socket.getOutputStream(), true);
            System.out.println("Connected to Connect4 server");

            // get our plate type
            String response = in.nextLine();
            if (response.split(" ")[0].equals("setUsingPlateType")) {
                this.usingPlateType = PlateType.valueOf(response.split(" ")[1]);
                this.opponent.usingPlateType = this.usingPlateType.equals(PlateType.O) ? PlateType.X : PlateType.O;
            }

            // check if it is out turn
            response = in.nextLine();
            if (response.split(" ")[0].equals("setIsMyTurn")) {
                this.setIsMyTurn(response.split(" ")[1].equals("true"));
                opponent.setIsMyTurn(response.split(" ")[1].equals("false"));
            }

            // listen to the socket
            ExecutorService pool = Executors.newFixedThreadPool(200);
            pool.execute(this.new ClientListener(in, this));

        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    public void handleResponse(String response) {
        System.out.println("[CLIENT]GOT: " + response);

        if(response.startsWith("setIsMyTurn")) {
            this.setIsMyTurn(response.split(" ")[1].equals("true"));
            opponent.setIsMyTurn(response.split(" ")[1].equals("false"));
        } else if(response.startsWith("movePerformed")) {
            this.doMove(Integer.parseInt(response.split(" ")[1]));
        }
    }

    /**
     * Function to set wether it is this player's turn
     */
    @Override
    public void setIsMyTurn(boolean isMyTurn) {
        super.setIsMyTurn(isMyTurn);

        if (isMyTurn)
            this.gameControllingButtonRow.setEnabled(false);
        else
            this.gameControllingButtonRow.setEnabled(true);

    }

    @Override
    public void movePerformed(int column, Player src) {
        try {
            this.out.println("movePerformed " + column);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    class ClientListener implements Runnable {

        RemotePlayerClient parent;
        Scanner in;

        public ClientListener(Scanner in, RemotePlayerClient parent) {
            this.parent = parent;
            this.in = in;
        }

        @Override
        public void run() {
            // listen to the socket
            try {
                while (in.hasNextLine()) {
                    String response = in.nextLine();
    
                    this.parent.handleResponse(response);
    
                }
                out.println("QUIT");
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

    }
}