package myVncClient;

import java.io.*;
import java.net.*;

import myVncClient.MulticastQueue.Client;


public class EchoClient {
	private String name;
	private BufferedReader is = null;
	private DataOutputStream os = null;
	private Socket echoSocket = null;
	private boolean runflag = false;
	private WaitReply waitReply;
	private Socket clientSocket = null;
//	MyVncClient client;
	private InterfaceForViewer client;
	private int echoPort = 9999;
	MyVncClient checkMove;
	VncViewer vncV;
	String responseLine;
	String parent;// 親の番号
	String treenum;// 自分の番号
	String leaderflag;// リーダフラグ
	boolean passflag;
	

	// WaitReplyに自分自身を渡している
	public EchoClient() {
	}

	
	public EchoClient(EchoClient echo) {
		this.name = echo.name;
		leaderflag= echo.leaderflag;
		parent = echo.parent;
		treenum = echo.treenum;
		client = echo.client;
		checkMove = (MyVncClient)echo.client;
	}
	// VncViewerから引数をもらってきてproxy役を認識する
	public EchoClient(String name,MyVncClient client) {
		this.client = client;
		this.name = name;
	}

	public EchoClient(String name,MyVncClient client, int echoPort) {
		this.client = client;
		this.name = name;
		this.echoPort = echoPort;
	}
	
	
	
	public EchoClient(EchoClient echo,MyVncClient client) {
		this.client = client;
		this.name = echo.name;
		leaderflag = echo.leaderflag;
		parent = echo.parent;
		treenum = echo.treenum;
		waitReply = echo.waitReply;
	}

	public EchoClient(String name,CuiMyVncClient client) {
		this.client = client;
		this.name = name;
	}
	
	public EchoClient(String name,CuiMyVncClient client, int echoPort) {
		this.client = client;
		this.name = name;
		this.echoPort = echoPort;
	}

	public EchoClient(EchoClient echo,CuiMyVncClient client) {
		this.client = client;
		this.name = echo.name;
		leaderflag = echo.leaderflag;
		parent = echo.parent;
		treenum = echo.treenum;
	}

	// void hostn(String args){
	void openport() {
		try {
			if (name != null) {
				echoSocket = new Socket(name, echoPort);
			} else {
				echoSocket = new Socket("133.13.48.18", echoPort);
			}
			os = new DataOutputStream(echoSocket.getOutputStream());
			is = new BufferedReader(new InputStreamReader(echoSocket.getInputStream()));
		} catch (UnknownHostException e) {
			System.err.println("Don't know about host: localhost");
		} catch (IOException e) {
			System.out.println(name + " Connection Faild");
			System.exit(0);
		}
	}

	/**
	 * @param args
	 *            select connect port 
	 * @return
	 */
	EchoClient requestHostName(String args) {
		// サーバーにメッセージを送る
		if (echoSocket != null && os != null && is != null) {
			try {

				InetAddress addr = InetAddress.getLocalHost();
				String add = new String(addr.getHostAddress());

				os.writeBytes(add + "\n");
				os.writeBytes(args + "\n");
				getProxyData(is);

				streamClose();
			} catch (UnknownHostException e) {
				System.err.println("Trying to connect to unknown host: " + e);
			} catch (IOException e) {
				System.err.println("IOException: " + e);
			}
			waitReply = new WaitReply(treenum,client);
			waitReply.start();
		}
		return this;
	}

	
	/**
	 * Call at lost host 
	 */
	boolean losthost() {
		if (echoSocket != null && os != null && is != null) {
			try {
				if(runflag){
					return true;
				}
				sendDataProxy();
				String checkRepetition = getProxyData2(is);				
				if(checkRepetition.equals("stop")){
					return true;
				}				
				if(!(checkRepetition.equals("skip")) || "1".equals(leaderflag)) {
					Thread.sleep(1000);
					reConnectionMain();
					streamClose();
				}				
				Thread.sleep(1000);
				if(!(checkMove.vncFrame.isShowing())&&"skip".equals(checkRepetition)) {
					openport();
					notfoundParent();					
				}				
			} catch (UnknownHostException e) {
				System.err.println("Trying to connect to unknown host: " + e);
			} catch (IOException e) {				
				return false;			
			} catch (InterruptedException e) {
				e.printStackTrace();
			} catch (NullPointerException e) {
				openport();
				notfoundParent();
			}
		}
		return true;
	}
	
	boolean notfoundParent() {
		if (echoSocket != null && os != null && is != null) {
			runflag = true;
			try {
				sendDataProxy("2", parent,null);
				getProxyData(is);
				reConnectionMain();
				streamClose();
			} catch (UnknownHostException e) {
				System.err.println("Trying to connect to unknown host: " + e);
			} catch (IOException e) {
				System.err.println("IOException: " + e);
			}
		}
		return true;
	}

	
	EchoClient Interruption(Socket _clientSocket) {
		clientSocket = _clientSocket;
		BufferedReader lostis = null;//あとで修正する


		try {
			lostis = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
				getProxyData(lostis);
				clientSocket.close();// WaitReplyのacceptを終了させる
		} catch (IOException e) {
			System.out.println(e);
		}
		return this;
	}
	
	void getProxyData(BufferedReader is) throws IOException {
		if ((responseLine = is.readLine()) != null) {
			System.out.println("Server: " + responseLine);
		}
		if ((parent = is.readLine()) != null) {
			System.out.println("parent: " + parent);
		}
		if ((treenum = is.readLine()) != null) {
			System.out.println("treenum: " + treenum);
		}
		if ((leaderflag = is.readLine()) != null) {
			System.out.println("leaderflag: " + leaderflag);
		}
	}
	
	String getProxyData2(BufferedReader is) throws IOException {
		String checkRepetition;
		if ((responseLine = is.readLine()) != null) {
			System.out.println("Server: " + responseLine);
		}
		if ((parent = is.readLine()) != null) {
			System.out.println("parent: " + parent);
		}
		if ((checkRepetition = is.readLine()) != null) {
			System.out.println("checkRepetition: " + checkRepetition);
		}
		return checkRepetition;
	}
	
	void reConnectionMain() {
		client.init();
		client.setEchoValue(this);
		client.getParentName();
		client.start_threads();
		client.start();
	}
	
	void streamClose() throws IOException {
		os.close();
		is.close();
		echoSocket.close();
	}
	
	void sendDataProxy() {
		if ("1".equals(leaderflag)) {
			sendDataProxy("1",parent,treenum);
		} else {
			sendDataProxy("3",parent,treenum);
		}
	}
	
	void sendDataProxy(String type,String num,String treenum) {
		try {
			if(treenum!=null) {
				os.writeBytes(type + "\n");
				os.writeBytes(num + "\n");
				os.writeBytes(treenum + "\n");
			} else {
				os.writeBytes(type + "\n");
				os.writeBytes(num + "\n");
			}

		} catch (UnknownHostException e) {
			System.err.println("Trying to connect to unknown host: " + e);
		} catch (IOException e) {
			System.err.println("IOException: " + e);
		}
	}
}