package br.gov.serpro.setup;
import java.applet.Applet;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.MissingResourceException;
import java.util.Properties;
import java.util.ResourceBundle;


public class Setup {

	/**
	 *
	 */
	private static final long serialVersionUID = -8164125429139606589L;

	private Properties parameters;
	private Properties preferences;
    private Map<String, ResourceBundle> langResources;
    Locale currentLocale;
	private Applet currentApplet;
	
    private static final String PREFERENCES_PATH;
    private static final String EPASS_2000;

    static {

        //PrintStream ps = new PrintStream(System.out);
		//System.getProperties().list(System.out);

        if (System.getProperty("os.name").equalsIgnoreCase("linux")){
			EPASS_2000 = "/usr/lib/libepsng_p11.so";
		}
		else {
			EPASS_2000 = System.getenv("SystemRoot").replaceAll("\\\\", "/")+"/system32/ngp11v211.dll";
            //EPASS_2000 = System.getenv("ProgramFiles")+"\\Gemplus\\GemSafe Libraries\\BIN\\gclib.dll";
		}


		PREFERENCES_PATH = "TESTE";

	}

	public Setup(Applet applet){

		this.currentApplet = applet;
		parameters = new Properties();
		//preferences = Do arquivo apontado por preferences_path

		// Pega os parâmetros da applet
		for (String[] parameter: getParameterInfo()){
			String parameterName = parameter[0];
			String parameterValue = this.currentApplet.getParameter(parameterName);

			//System.out.println("Parameter a ser adicionado - " + parameterName + "= " + parameterValue);

			if (parameterValue != null && !parameterValue.equals("")){
				parameters.setProperty(parameterName.toLowerCase(), parameterValue);
                if (parameterName.equalsIgnoreCase("locale")){
                    System.out.println("Locale recebido.");
                }
			}
            else {
                //Defaults
                if (parameterName.equalsIgnoreCase("debug")){
                    parameters.setProperty(parameterName.toLowerCase(), "false");
                }
                if (parameterName.equalsIgnoreCase("token")){
                    parameters.setProperty(parameterName.toLowerCase(), "Epass2000;"+EPASS_2000);
                }
                if (parameterName.equalsIgnoreCase("locale")){
                    System.out.println("Locale não recebido, definindo valor default.");
                    parameters.setProperty(parameterName.toLowerCase(), "pt_BR");
                }
            }
		}

		//TODO: Pega as preferências do arquivo de preferências se encontrado;

        // Lang Resources
        currentLocale = this.buildLocale(parameters.getProperty("locale"));
        langResources = new HashMap<String, ResourceBundle>(2);
        langResources.put("ExpressoCertMessages", ResourceBundle.getBundle("ExpressoCertMessages", currentLocale));

	}

	public String[][] getParameterInfo(){

		String[][] info = {
			{"debug", "boolean", "Habilita mensagens de debug"},
            {"token", "string", "Lista de tokens suportados. Formato: nome1;caminho1,nome2;caminho2"},
            {"locale", "string", "Locale do sistema"}
		};

		return info;
	}

	public String[][] getPreferencesInfo(){

		String[][] info = {
			{"preferedToken", "string", "Token preferencial do usuário. Formato: nome;caminho"}
		};

		return info;

	}

	public String getParameter(String key){
		return parameters.getProperty(key);
	}

	public String getPreference(String key){
		return getPreference(key);
	}

	//TODO: implementar PreferenceNotRegisteredException
	public void setPreference(String key, String value){

		boolean exists = false;
		while (!exists){
			for (String[] preference: getPreferencesInfo()){
				if (key.equalsIgnoreCase(preference[1])){
					exists = true;
					preferences.setProperty(key, value);
				}
			}
		}

		if (!exists){
//			 throws PreferenceNotRegisteredException();
            System.out.println("Preferência não existe!");
		}
	}

    Locale buildLocale(String localeCode){

        String[] localeItems = localeCode.split("_");
        Locale locale;
        
        switch (localeItems.length){
            case 1: locale = new Locale(localeItems[0]);
                    break;
            case 2: locale = new Locale(localeItems[0], localeItems[1]);
                    break;
            case 3: locale = new Locale(localeItems[0], localeItems[1], localeItems[2]);
                    break;
            default: locale = new Locale("pt", "BR");
                    System.out.println("Locale code error, setting default locale: " + locale.toString());
        }

        return locale;
    }

    public void addLanguageResource(String langResource){
        System.out.println("registrando recusro de linguagem " + langResource);
        langResources.put(langResource, ResourceBundle.getBundle(langResource, currentLocale));
    }

    public String getLang(String langResource, String message){

        ResourceBundle resource = langResources.get(langResource);

        String i18nText = new String("????");
        try {
            i18nText = resource.getString(message);
        }
        catch (MissingResourceException e){
            e.printStackTrace();
        }

        return i18nText;

        //return message;
    }

	// TODO: Not Implemented Yet
	public boolean savePreferences(){
		return false;
	}

}