package evo.teszt;

import java.awt.List;
import java.io.IOException;
import java.util.ArrayList;

import javax.swing.text.Document;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import evo.classes.*;

public class Reader_test {
    //megnyitja a documentumot, ha nem tudja akkor dob Exception-nokat
    public static org.w3c.dom.Document tryOpenTheFile() throws ParserConfigurationException, SAXException, IOException {
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = null;
        org.w3c.dom.Document doc = null;        //valamiért nem tudja elérni az ut vonalat ha nincs benne a "org.w3c.dom.Document". Feljebb mutatja, hogy nem használom az importot, passz nem tuduom miért.
        try {
            dBuilder = dbFactory.newDocumentBuilder();
            doc = dBuilder.parse(Products.getFileLocation());
            doc.getDocumentElement().normalize();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return doc;
    }
    //Kiir egy elemetet, amit meghatározunk
    public static void writeDownOnePartOfTheList() {
        org.w3c.dom.Document doc = null;
        try {
            doc = tryOpenTheFile();
        } catch (ParserConfigurationException | SAXException | IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        Products writer = new ComponentsCPU();

        NodeList nList = (NodeList)doc.getElementsByTagName("PC_component").item(0);    //mind kérésre meg lehet változtatni

        for (int i = 0; i < nList.getLength(); i++) {
            Node nNode = nList.item(i);
            if (nNode.getNodeType() == Node.ELEMENT_NODE) {
                Element eElement = (Element) nNode;
                //Most csak a CPU irja ki
                writer.readTheFileAndWriteDown(eElement);
            }
        }
    }
    //Kiirja sorbarendezés nélkül az összes elemet
    public static void whiteDownWholeStuff() {
        org.w3c.dom.Document doc = null;
        try {
            doc = tryOpenTheFile();
        } catch (ParserConfigurationException | SAXException | IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        Products writerCPU = new ComponentsCPU();
        Products writerGPU = new ComponentsGPU();
        Products writerOther = new Other();

        NodeList nList = doc.getElementsByTagName("item");  //mind kérésre meg lehet változtatni

        for (int i = 0; i < nList.getLength(); i++) {
            Node nNode = nList.item(i);
            if (nNode.getNodeType() == Node.ELEMENT_NODE) {
                Element eElement = (Element) nNode;
                //Most csak a CPU irja ki
                writerCPU.readTheFileAndWriteDown(eElement);
                writerGPU.readTheFileAndWriteDown(eElement);
                writerOther.readTheFileAndWriteDown(eElement);
            }
        }
    }
    public static void main(String [] angs) {
        //writeDownOnePartOfTheList();
        System.out.print("--------\n");
        whiteDownWholeStuff();
    }
}