package Repository_package;

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

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 Currency_package.Currency;

public abstract class NBPConverter {

    public static Repository remoteRepository(File xmlFile) throws SAXException, IOException, ParserConfigurationException //jeszcze ma przyjac byte
    {
        List<Currency> currencyList = new ArrayList<Currency>();
        currencyList.add(new Currency("zloty polski", 1, "PLN", 1));
        //File xmlFIle = new File("src/Converter_package/LastA.xml");
        //File xmlFile = ParseXml.parse();
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        Document document = documentBuilder.parse(xmlFile);
        NodeList list = document.getElementsByTagName("pozycja");
        for(int i = 0; i < list.getLength(); i++)
        {
            Node node = list.item(i);
            if(node.getNodeType() == Node.ELEMENT_NODE)
            {
                Element element = (Element) node;
                //System.out.println("id " + element.getElementsByTagName("nazwa_waluty").item(0).getTextContent());
                //System.out.println("kod " + element.getElementsByTagName("kod_waluty").item(0).getTextContent());
                //System.out.println("prz " + element.getElementsByTagName("przelicznik").item(0).getTextContent());
                //System.out.println("kurs " + element.getElementsByTagName("kurs_sredni").item(0).getTextContent());
                String name = element.getElementsByTagName("nazwa_waluty").item(0).getTextContent();
                //System.out.println(name);
                int converter = Integer.parseInt(element.getElementsByTagName("przelicznik").item(0).getTextContent());
                //System.out.println(converter);
                String code = element.getElementsByTagName("kod_waluty").item(0).getTextContent();
                //System.out.println(code);
                double average_course = Double.parseDouble(element.getElementsByTagName("kurs_sredni").item(0).getTextContent().replace(",", "."));
                //System.out.println(average_course);
                currencyList.add(new Currency(name, converter, code, average_course));

            }
        }
        Repository rep = new Repository();

        rep.seetCurrencyList(currencyList);
        return rep; //zwraca objekt Repository

    }
}