package net.sourceforge.fenixedu.util;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.print.PrintService;
import javax.print.PrintServiceLookup;

import net.sourceforge.fenixedu._development.PropertiesManager;

public class PrinterManager {

    private static final Map<String, PrintService> printers = new HashMap<String, PrintService>();
    private static final PrintService defaultPrinter = PrintServiceLookup.lookupDefaultPrintService();
    private static final Map<String, String[]> printerNames = new HashMap<String, String[]>();

    static {
	loadPrinters();
	loadPrinterNames();
    }

    public static PrintService getPrintServiceByName(String name) {
	if (name == null) {
	    System.out.println("returning default printer: " + defaultPrinter);
	    return defaultPrinter;
	} else {
	    System.out.println("returning non default printer: " + printers.get(name));
	    return printers.get(name);
	}
    }

    public static String[] getFunctionPrinterNames(String key) {
	if (printerNames.get(key) != null) {
	    return printerNames.get(key);
	}
	return new String[0];
    }

    private static void loadPrinterNames() {
	try {
	    Properties properties = PropertiesManager.loadProperties("/printers.properties");
	    for (Object key : properties.keySet()) {
		String function = (String) key;
		String string = properties.getProperty(function);
		String[] names = string.split(",");
		printerNames.put(function, names);
	    }
	} catch (IOException e) {
	    throw new RuntimeException(e);
	}

    }

    private static void loadPrinters() {
	PrintService[] services = PrintServiceLookup.lookupPrintServices(null, null);
	for (PrintService service : services) {
	    printers.put(service.getName(), service);
	}
    }

}