package de.superx.bin;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.logging.Level;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

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

import de.memtext.util.DateUtils;
import de.memtext.util.GetOpts;
import de.memtext.util.GetOpts.Options;
import de.memtext.util.LogUtils;
import de.memtext.util.StringUtils;
import de.memtext.util.XMLUtils;

public class WebserviceClientFiposGroupsHoh extends AbstractWebserviceClient {

	private boolean isDebug = false;

	private Document configDocument;
	private XMLInputFactory factory = XMLInputFactory.newInstance();
	private String xmlConfig;
	private String url;
	private String soap;
	private String outfilename;
	private String setname;
	private boolean isDeleteTmpXmlFileWanted = true;
	private File tmpFile;
	private PrintWriter fwLeafs;
	private BufferedWriter bfwLeafs;

	private StringBuilder leafs = new StringBuilder();

	public static void main(String args[]) {
		System.out.println("SuperX-WebserviceClientFiposGroupsHoh Version 1.0.2");
		WebserviceClientFiposGroupsHoh tc = new WebserviceClientFiposGroupsHoh();
		tc.run(args);

	}

	public WebserviceClientFiposGroupsHoh() {
	}

	public void run(String args[]) {
		try {
			initLogging();
			GetOpts.setOpts(args);
			String isdrin = GetOpts.isAllRequiredOptionsPresent(
					new Options[] { Options.opt_xmlconfig, Options.opt_setname, Options.opt_out });
			if (isdrin != null) {
				System.err.println("Folgende Optionen fehlen: " + isdrin);
				// System.err.println(usage);
				System.exit(1);
			}
			readConfig();

			perform();

			String msg = "    fertig: " + DateUtils.getTodayString() + " " + DateUtils.getNowString();
			logger.info(msg);
			System.out.println(msg);
		} catch (Exception e) {
			logger.severe(e.getMessage());
			System.out.println("Error " + e.getMessage());
			e.printStackTrace();
			LogUtils.close("wc");
			System.exit(1);
		} finally {
			LogUtils.close("wc");

		}
	}

	private void perform() throws Exception {

		Node n = XMLUtils.getFirstNode(configDocument, "url");
		url = XMLUtils.getTheValue(n);
		url = adaptURL(url);
		logger.fine("URL:" + url);
		System.out.println("URL:" + url);
		n = XMLUtils.getFirstNode(configDocument, "soap");
		soap = XMLUtils.getTheValue(n);

		soap = soap.replace("XXSETNAMEXX", setname);
		System.out.println(soap);
		// n = XMLUtils.getFirstNode(configDocument, datentyp +
		// "detailreplacenode");

		logger.fine("SOAP Aufruf:\n" + soap);

		tmpFile = createSoapFile(soap, url);

		String msg = " - empfangen ";
		if (!isDeleteTmpXmlFileWanted)
			msg += " (" + tmpFile + ")";
		msg += " " + DateUtils.getNowString();
		System.out.println(msg);

		if (isReplyOk(tmpFile)) {
			initOutFile();
			readData();
			if (leafs.length() > 0) {
				bfwLeafs.write(leafs.toString());
				bfwLeafs.flush();
			}

			if (isDeleteTmpXmlFileWanted)
				tmpFile.delete();

		} else {
			msg = "Error: Aufruf von Webservice für Beseg " + " (" + xmlConfig + ") fehlgeschlagen";
			System.out.println(msg);
			System.out.println(StringUtils.readFile(tmpFile));
			logger.severe(msg);
			LogUtils.close("wc");
			System.exit(-1);
		}

		closeFile();
	}

	private void readData() throws XMLStreamException, IOException {
		InputStream in = null;
		if (isDebug)
			in = new FileInputStream(
					"/home/superx/svn/repos/Projekte/hohenheim_uni/webservices/finanzposgruppen/sxbmbf.txt");
		else
			in = new FileInputStream(tmpFile);
		XMLStreamReader parser = factory.createXMLStreamReader(in);

		leafs.setLength(0);

		boolean getDataLeafs = false;

		boolean isLeafs = false;

		while (parser.hasNext()) {

			switch (parser.getEventType()) {

			case XMLStreamConstants.START_ELEMENT:
				String name = parser.getLocalName();
				// System.out.println("Start " + name);
				if (name.equals("EX_SETLEAF"))
					isLeafs = true;
				if (isLeafs && isRelevantNodeName(name))
					getDataLeafs = true;

				// Spaltennamen zu Debugzwecken anzeigen
				// else if (getData && !name.equals("item"))
				// result.append(prefix + "_" + parser.getLocalName());
				break;
			case XMLStreamConstants.CHARACTERS:
				if (isLeafs && getDataLeafs && !parser.isWhiteSpace()) {
					leafs.append(purge(parser.getText(), true));
				}

				break;
			case XMLStreamConstants.END_ELEMENT:
				name = parser.getLocalName();
				// System.out.println("END " + name);
				if (name.equals("EX_SETLEAF"))
					isLeafs = false;
				if (isLeafs && getDataLeafs && isRelevantNodeName(name)) {
					getDataLeafs = false;
					leafs.append("^");
				}

				if (isLeafs && name.equals("item")) {
					leafs.append(setname + "^\n"); // als letzte Spalte noch den eigentlichen Namen des Sets (Superset)
													// hinzufuegen.
				}

				break;

			case XMLStreamConstants.END_DOCUMENT:
				parser.close();
				break;
			}
			parser.next();
		}
		in.close();
		// abschließendes \n entfernen
		// if (result.length() > 0) result.setLength(result.length() - 1);

	}

	private void readConfig() throws IOException, SAXException {

		xmlConfig = GetOpts.getValue(Options.opt_xmlconfig);
		setname = GetOpts.getValue(Options.opt_setname);
		outfilename = GetOpts.getValue(Options.opt_out);

		System.out.println("\n" + DateUtils.getTodayString() + " " + DateUtils.getNowString());

		if (GetOpts.isPresent(Options.opt_noDelete))
			isDeleteTmpXmlFileWanted = false;

		logger.log(Level.INFO, "Verarbeite " + xmlConfig);
		System.out.println("Verarbeite " + xmlConfig);
		configDocument = XMLUtils.buildDocument(new File(xmlConfig));

	}

	private void initOutFile() throws Exception {
		File outFile = new File(outfilename);
		if (outFile.exists())
			outFile.delete();

		fwLeafs = new PrintWriter(outFile);
		bfwLeafs = new BufferedWriter(fwLeafs);

	}

	private boolean isRelevantNodeName(String name) {
		return name.equals("SETNAME") || name.equals("VALSIGN") || name.equals("VALOPTION") || name.equals("VALFROM")
				|| name.equals("VALTO");
	}

	private void closeFile() throws Exception {

		bfwLeafs.close();
		fwLeafs.close();

		if (isDeleteTmpXmlFileWanted)
			if (tmpFile.exists())
				tmpFile.delete();
	}
}