package com.flaremicro.crossjeeves.net;

import static com.flaremicro.crossjeeves.net.ErrorCodes.*;

import java.io.File;
import java.io.IOException;
import java.net.Socket;
import java.util.Properties;
import java.util.Random;

import com.flaremicro.crossjeeves.CrossJeevesHost;
import com.flaremicro.crossjeeves.ScriptProcessor;
import com.flaremicro.crossjeeves.net.packet.Packet;
import com.flaremicro.crossjeeves.net.packet.Packet0Identify;
import com.flaremicro.crossjeeves.net.packet.Packet127KeepAlive;
import com.flaremicro.crossjeeves.net.packet.Packet1Status;
import com.flaremicro.crossjeeves.net.packet.Packet2Script;
import com.flaremicro.crossjeeves.net.packet.Packet3Clone;
import com.flaremicro.crossjeeves.net.packet.Packet5Artifact;
import com.flaremicro.crossjeeves.net.packet.Packet4FileData;
import com.flaremicro.crossjeeves.net.packet.Packet6Disconnect;
import com.flaremicro.crossjeeves.net.packet.Packet7LogEntry;

public class ServerHandler extends NetworkHandler {
	private CrossJeevesHost host;
	private ScriptProcessor scriptProcessor;
	private File workspace = new File("./workspace/"+new Random().nextLong()+"/");
	
	public ServerHandler(Socket socket, CrossJeevesHost host, Properties properties) throws IOException {
		super(socket);
		this.host = host;
		this.scriptProcessor = new ScriptProcessor(this, workspace, properties);
	}
	
	public void disconnect(int code, String message) {
		enqueue(new Packet6Disconnect(code, message));
		try
		{
			Thread.sleep(1000L);
		}
		catch (InterruptedException e)
		{
			if(isConnected())
				e.printStackTrace();
		}
		super.disconnect(code, message);
	}
	
	@Override
	protected void doDisconnect(int exitCode)
	{
		scriptProcessor.terminate();
		host.removeConnection(this);
		super.doDisconnect(exitCode);
	}

	@Override
	public void handlePacket(Packet packet) {
		disconnect(INVALID_PACKET_RECIEVED.id, "Recieved invalid packet " + packet.getId() + " (Unknown)");
	}

	@Override
	public void handlePacket(Packet0Identify packet) {
		System.out.println("Got valid identify packet with flags " + packet.getFlags() + " and version " + packet.getProtocolVersion());
		enqueue(new Packet0Identify(0));
	}

	@Override
	public void handlePacket(Packet1Status packet) {
		
	}

	@Override
	public void handlePacket(Packet2Script packet) {
		scriptProcessor.processAsync(packet.script);
	}

	@Override
	public void handlePacket(Packet3Clone packet) {
		try
		{
			this.beginFile(packet.getFileID(), packet.getFileSize());
		}
		catch (IOException e)
		{
			disconnect(FILE_DOWNLOAD_FAILURE.id, "Failed to start download of transferred file");
		}
	}

	@Override
	public void handlePacket(Packet4FileData packet) {
		try
		{
			this.appendFile(packet.getFileId(), packet.getFileChunk());
		}
		catch (IOException e)
		{
			e.printStackTrace();
			disconnect(FILE_DOWNLOAD_FAILURE.id, "Failed to download transferred file");
		}
	}

	@Override
	public void handlePacket(Packet5Artifact packet) {
		disconnect(INVALID_PACKET_RECIEVED.id, "Recieved invalid packet " + packet.getId() + " (Artifact)");
	}

	@Override
	public void handlePacket(Packet127KeepAlive packet) {
	}

	@Override
	public void handlePacket(Packet6Disconnect packet) {
		System.out.printf("Disconnect %d: %s%n", packet.getCode(), packet.getReason());
		doDisconnect(packet.getCode());
	}

	public void init() {
		this.beginWriteThread();
		this.beginReadThread();
	}

	@Override
	public void handlePacket(Packet7LogEntry packet) {
		// TODO Auto-generated method stub
		
	}

}