package net.sourceforge.fenixedu.presentationTier.renderers;

import net.sourceforge.fenixedu.util.StringFormatter;
import pt.ist.fenixWebFramework.renderers.StringRenderer;
import pt.ist.fenixWebFramework.renderers.components.HtmlComponent;

/**
 * Presents a string considering that it's a person's name. So it allows you to
 * choose if only the first and last name is shown and if the middle names
 * appear as inicials.
 * 
 * @author cfgi
 */
public class PersonNameRenderer extends StringRenderer {

    private boolean firstLastOnly;
    private boolean middleNamesInicials;
    private String normalizedName;

    public boolean isFirstLastOnly() {
	return this.firstLastOnly;
    }

    public void setFirstLastOnly(boolean firstLastOnly) {
	this.firstLastOnly = firstLastOnly;
    }

    public boolean isMiddleNamesInicials() {
	return this.middleNamesInicials;
    }

    public void setMiddleNamesInicials(boolean middleNamesInicials) {
	this.middleNamesInicials = middleNamesInicials;
    }

    @Override
    public HtmlComponent render(Object object, Class type) {
	if (object != null) {
	    String name = parseName((String) object);
	    HtmlComponent component = super.render(name, type);

	    if (isFirstLastOnly() || isMiddleNamesInicials()) {
		component.setTitle(this.normalizedName);
	    }

	    return component;
	} else {
	    return super.render(object, type);
	}
    }

    private String parseName(String name) {
	String finalName;
	this.normalizedName = capitalize(name.toLowerCase());

	String[] allNames = this.normalizedName.split("\\p{Space}+");
	if (allNames.length == 0) {
	    return "";
	}

	if (allNames.length == 1) {
	    return allNames[0];
	}

	finalName = allNames[0];

	if (!isFirstLastOnly()) {
	    for (int i = 1; i < allNames.length - 1; i++) {
		if (isMiddleNamesInicials()) {
		    if (Character.isUpperCase(allNames[i].charAt(0))) {
			finalName += " " + allNames[i].substring(0, 1) + ".";
		    }
		} else {
		    finalName += " " + allNames[i];
		}
	    }
	}

	finalName += " " + allNames[allNames.length - 1];

	return finalName;
    }

    private String capitalize(String text) {
	StringBuilder buffer = new StringBuilder();
	for (String part : text.split("\\p{Space}+")) {
	    if (part.length() == 0) {
		continue;
	    }

	    if (buffer.length() > 0) {
		buffer.append(" ");
	    }

	    buffer.append(StringFormatter.capitalizeWord(part, false));
	}

	return buffer.toString();
    }

}