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

public class DisplayToSPI  
{
	boolean DEBUG = false;
	int fiTcpIpPort = 0;
	int ffTimeToDisplayOnSPI = 0;
	
	boolean ffDisplayCharByChar;
	boolean ffRunThread = true;
	boolean ffReceivedNewSettings = false;
	
	TCPReceiver tcpReceiver;
	CommandSPI cspiDisplay;
	
	public static void main( String[] args)
	{
		final int const_TCPIP_WAITING_PORT = 11112;
		final boolean const_DEBUG = false;
		final boolean const_DisplayCharByChar = false;
		final int const_TimeToDisplayOnSPI = 5000;
	
		// Incarcam setarile default
		int tcpPort=const_TCPIP_WAITING_PORT;
		boolean liDebug=const_DEBUG;
		boolean ffDisplayCharByChar=const_DisplayCharByChar;
		int ffTimeToDisplayOnSPI = const_TimeToDisplayOnSPI;
		// vedem daca exista comenzi in linia de comanda
		if( args.length != 0){
			for( int i = 0; i < args.length; ++i){
				// pt help
				if( "/?".equals( args[i]) || "-help".equals( args[i]) || "--help".equals( args[i])){
					// afisam un help scurt
					System.out.println("");
					System.out.println("help");
					System.out.println("");
					System.out.println("java display.tini [-debug] [-port 10000] [-charbychar] [-tview 4000]");
					System.out.println("");
					System.out.println("[-debug] - pt a face debug pe consola de Telnet (default fara debug)");
					System.out.println("[-port 10000] - pt a modifica portul de asteptare (default 11112)");
					System.out.println("[-charbychar] - pt a afisa caracter cu caracter (default tot string-ul)");
					System.out.println("[-tview] - pt a modifica timpul de afisare pe display in msec (default 5000)");
					System.out.println("");
					System.out.flush();
					System.gc();
					return;
				}
				// pt debug
				if( "-debug".equals( args[i])){
					liDebug=true;
				}
				else{
					// pt port
					if( "-port".equals( args[i])){
						try { 
							tcpPort = Integer.valueOf(args[i+1]).intValue(); 
						}
						catch( NumberFormatException nfe) { /* Ignore */ }
					}
					else{
						// pt modul de afisare
						if( "-charbychar".equals( args[i])){
							ffDisplayCharByChar=true;
						}
						else{
							// pt timpul de afisare
							if( "-tview".equals( args[i])){
								try { 
									ffTimeToDisplayOnSPI = Integer.valueOf(args[i+1]).intValue(); 
								}
								catch( NumberFormatException nfe) { /* Ignore */ }
							}
						}
					}
				}
			}
		}
		// instantiem DisplayToSPI
		DisplayToSPI app=new DisplayToSPI(liDebug,tcpPort,ffDisplayCharByChar,ffTimeToDisplayOnSPI);
		// ii dam drumul la firul ei de excutie
//		app.start();
	}
	public DisplayToSPI(boolean Debug,int TcpIpPort,boolean DisplayCharByChar,int TimeToDisplayOnSPI)
	{
		// out
		if (DEBUG) System.out.println("DisplayToSPI: se incep procedurile de pornire.");
		// transferam cele doua variabile in variabile publice
		DEBUG=Debug;
		fiTcpIpPort=TcpIpPort;
		ffDisplayCharByChar=DisplayCharByChar;
		ffTimeToDisplayOnSPI=TimeToDisplayOnSPI;
		// out
		if (DEBUG) System.out.println("DisplayToSPI: DEBUG="+DEBUG);
		// instantiem CommandSPI
		cspiDisplay=new CommandSPI(DEBUG,ffDisplayCharByChar,ffTimeToDisplayOnSPI);
		// pornim firul care afiseaza datele
		cspiDisplay.start();
		// instantiem pe TCPReceiver
		tcpReceiver=new TCPReceiver(this,DEBUG,fiTcpIpPort);
		// pornim firul de executie care asteapta date pe TCP/IP
		tcpReceiver.start();
		// out
		System.out.println("DisplayToSPI: a pornit.");
	}

	protected void finalize()
	{
		// intrerupe bucla care face sa functioneze aplicatia
		ffRunThread=false;
		cspiDisplay.destroy();
		tcpReceiver.destroy();
		System.out.println("DisplayToSPI a fost oprit.");		try{
		super.finalize();
		}
		catch(Throwable t){}
	}
	// folosit pentru a transmite datele care trebuie afisate pe SPI
	public void DisplayStrings(String[] NewStringsToDisplay)
	{
		// transmite datele la CommandSPI
		cspiDisplay.ReplaceScrollingStrings(NewStringsToDisplay);
	}
}