package lab2;

import com.hp.hpl.jena.datatypes.xsd.XSDDatatype;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.vocabulary.VCARD;

public class Main {

    static String URI    = "http://example.com/";

    public static void main(String[] args) {
        org.apache.log4j.Logger.getRootLogger().setLevel(org.apache.log4j.Level.OFF);
        Model model = ModelFactory.createDefaultModel();
        Model model2 = ModelFactory.createDefaultModel();
        model2.read("http://centria.di.fct.unl.pt/~cd/foaf.nt", "Turtle");

        Model res = model2.union(model);
        Resource cDamasio = addCarlos(model);
        addMe(model);
        model.write(System.out,"Turtle");
//      model.write(System.out,"RDF/XML"); // to ask
////        iterateover(model);
        iterateoverres(res, cDamasio);

    }

    public static void iterateoverres(Model model, Resource cDamasioResource){

        StmtIterator iter = model.listStatements(null, model.getProperty("http://xmlns.com/foaf/0.1/interest"), (RDFNode)null);
        while (iter.hasNext()) {
            Statement stmt      = iter.nextStatement();
            RDFNode   object    = stmt.getObject();

            model.read(object.toString(),"Turtle");
        }
        model.write(System.out,"Turtle");
    }

    public static Resource addCarlos(Model model){
        String cdName = "CarlosDamasio";
        String cdURI =  "http://centria.di.fct.unl.pt/cd";
        Resource CD = model.createResource(URI + cdName);
        Resource cdSplittedNameResource = model.createResource();
        Resource cdTel = model.createResource();


        Property www = model.createProperty(cdURI); // to ask

        CD.addProperty(VCARD.FN, cdName);
        CD.addProperty(VCARD.N, cdSplittedNameResource);
        CD.addProperty(VCARD.TEL, cdTel);
        CD.addProperty(www, "website");
        CD.addProperty(VCARD.EMAIL, "cd@fct.unl.pt");
        CD.addProperty(VCARD.GEO, "()");
        CD.addProperty(VCARD.ADR,"Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa");

        cdSplittedNameResource.addProperty(VCARD.Given, "Carlos");
        cdSplittedNameResource.addProperty(VCARD.Family, "Damasio");

        Property extension = model.createProperty(cdURI+"/myconcepts/extension/e10758");
        Property number = model.createProperty(cdURI+"/myconcepts/number/e21948536");
        cdTel.addProperty(extension, "extension");
        cdTel.addProperty(number, "number");
        return CD;
    }

    public static void addMe(Model model){
        String pkName = "PawelKrysiak";
        Resource PK = model.createResource(URI + pkName);
        Resource pkSplittedNameResource = model.createResource();
        Property www = model.createProperty("http://w-master.cba.pl/index"); // to ask

        PK.addProperty(VCARD.FN, pkName);
        PK.addProperty(VCARD.N, pkSplittedNameResource);
        PK.addProperty(VCARD.TEL, "663571174");
        PK.addProperty(www, "website");
        PK.addProperty(VCARD.EMAIL, "p.krysiak@campus.fct.unl.pt");
        PK.addProperty(VCARD.ADR,"Residencia frausto da silva");

        pkSplittedNameResource.addProperty(VCARD.Given, "Paweł");
        pkSplittedNameResource.addProperty(VCARD.Family, "Krysiak");
    }

    public static void iterateover(Model model){
        StmtIterator iter = model.listStatements();

        // print out the predicate, subject and object of each statement
        while (iter.hasNext()) {
            Statement stmt      = iter.nextStatement();  // get next statement
            Resource  subject   = stmt.getSubject();     // get the subject
            Property  predicate = stmt.getPredicate();   // get the predicate
            RDFNode   object    = stmt.getObject();      // get the object

            System.out.print(subject.toString());
            System.out.print(" " + predicate.toString() + " ");
            if (object instanceof Resource) {
               System.out.print(object.toString());
            } else {
                // object is a literal
                System.out.print(" \"" + object.toString() + "\"");
            }

            System.out.println(" .");
        }
    }

}