/**
 *
 */
package de.intevation.gnv.artifacts;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import junit.framework.TestCase;

import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Logger;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

import de.intevation.artifactdatabase.Config;
import de.intevation.artifactdatabase.FactoryBootstrap;
import de.intevation.artifacts.Artifact;
import de.intevation.artifacts.ArtifactFactory;
import de.intevation.artifacts.CallContext;
import de.intevation.gnv.artifacts.context.GNVArtifactContext;
import de.intevation.gnv.utils.ArtifactXMLUtilities;

/**
 * @author Tim Englich <tim.englich@intevation.de>
 *
 */
public class GNVArtifactsTestCase extends TestCase {

    /**
     * the logger, used to log exceptions and additonaly information
     */
    private static Logger log = null;
    
    static {
        BasicConfigurator.configure();
        log = Logger.getLogger(GNVArtifactContext.class);
    }
    
    private String configurationDir = "src/test/ressources/";
    
    private FactoryBootstrap bootstrap = null;
    /**
     * Constructor
     * @param name
     */
    public GNVArtifactsTestCase(String name) {
        super(name);
    }

    /**
     * @see junit.framework.TestCase#setUp()
     */
    protected void setUp() throws Exception {
        log.debug("GNVArtifactsTestCase.setUp");
        super.setUp();
        log.info(Config.CONFIG_DIR + " ==> "+configurationDir);
        System.setProperty(Config.CONFIG_DIR, configurationDir);
        log.info("Bootstrap wird initialisiert.");
        bootstrap = new FactoryBootstrap();
        bootstrap.boot();
    }
    
    public void testTimeSeriesArtifact(){
        try {
            log.debug("GNVArtifactsTestCase.testTimeSeriesArtifact");
            String artefactName = "fis_marnet"; 
            ArtifactFactory artifactFactory = this.getArtifactFactory(artefactName);
            assertNotNull(artifactFactory);
            log.debug("TimeSeries-ArtifactFactory is available");
            Artifact artifact = artifactFactory.createArtifact(""+System.currentTimeMillis(),bootstrap.getContext());
            assertNotNull(artifact);
            log.debug("TimeSeries-Artifact is available");
            
            
            CallContext cc = new TestCallContext(bootstrap.getContext());
            
            // Erster Schritt
            
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries/timeseries_step_01_feed.xml",
                    "src/test/ressources/timeseries/timeseries_step_01_advance.xml");
            
            // Zweiter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries/timeseries_step_02_feed.xml",
                    "src/test/ressources/timeseries/timeseries_step_02_advance.xml");
            
            // Dritter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries/timeseries_step_03_feed.xml",
                    "src/test/ressources/timeseries/timeseries_step_03_advance.xml");
            
            // Vierter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries/timeseries_step_04_feed.xml",
                    "src/test/ressources/timeseries/timeseries_step_04_advance.xml");
            
            Document outputData;
            // F�nfter Schritt
            outputData = artifact.describe(null);
            FileOutputStream fos = null;
            try{
                fos = new FileOutputStream("src/test/results/timeseriesdiagramm"+System.currentTimeMillis()+".png");
                artifact.feed(this.readDocument("src/test/ressources/timeseries/timeseries_step_05_feed.xml"), cc);
                artifact.out(this.readDocument("src/test/ressources/timeseries/timeseries_step_05_out.xml"),fos, cc);
            } catch (Exception e){
                log.error(e,e);
                fail();
            }finally{
                try {
                    fos.flush();
                    fos.close();
                } catch (Exception e) {
                    log.error(e,e);
                }
            }
        } catch (Exception e) {
            log.error(e,e);
            fail();
        }
    }

    /**
     * @param artifact
     * @param cc
     * @throws Exception
     */
    private void doNextStep(Artifact artifact, CallContext cc, String feedDocument, String advanceDocument) throws Exception {
        Document outputData = artifact.describe(null);
        this.writeDocument2Log(outputData);
        outputData = artifact.feed(this.readDocument(feedDocument), cc);
        this.check4ExceptionReport(outputData);
        outputData = artifact.advance(this.readDocument(advanceDocument), cc);
        this.writeDocument2Log(outputData);
        this.check4ExceptionReport(outputData);
    }
    
    public void testTimeSeriesMeshArtifact(){
        try {
            log.debug("GNVArtifactsTestCase.testTimeSeriesMeshArtifact");
            String artefactName = "fis_modeldata"; 
            ArtifactFactory artifactFactory = this.getArtifactFactory(artefactName);
            assertNotNull(artifactFactory);
            log.debug("TimeSeriesMesh-ArtifactFactory is available");
            Artifact artifact = artifactFactory.createArtifact(""+System.currentTimeMillis(),bootstrap.getContext());
            assertNotNull(artifact);
            log.debug("TimeSeriesMesh-Artifact is available");
            
            
            CallContext cc = new TestCallContext(bootstrap.getContext());
            
            // Erster Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries_mesh/timeseries_step_01_feed.xml",
                    "src/test/ressources/timeseries_mesh/timeseries_step_01_advance.xml");
            
            // Zweiter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries_mesh/timeseries_step_02_feed.xml",
                    "src/test/ressources/timeseries_mesh/timeseries_step_02_advance.xml");
            
            // Dritter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries_mesh/timeseries_step_03_feed.xml",
                    "src/test/ressources/timeseries_mesh/timeseries_step_03_advance.xml");
            
            
            // Vierter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries_mesh/timeseries_step_04_feed.xml",
                    "src/test/ressources/timeseries_mesh/timeseries_step_04_advance.xml");
            
            // F�nfter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries_mesh/timeseries_step_05_feed.xml",
                    "src/test/ressources/timeseries_mesh/timeseries_step_05_advance.xml");
            
            // Sechster Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/timeseries_mesh/timeseries_step_06_feed.xml",
                    "src/test/ressources/timeseries_mesh/timeseries_step_06_advance.xml");
            
            // Siebter Schritt
            Document outputData = artifact.describe(null);
            FileOutputStream fos = null;
            FileOutputStream fos2 = null;
            FileOutputStream fos3 = null;
            try{
                fos = new FileOutputStream("src/test/results/timeseries_mesh"+System.currentTimeMillis()+".png");
                fos2 = new FileOutputStream("src/test/results/timeseries_mesh"+System.currentTimeMillis()+".xml");
                fos3 = new FileOutputStream("src/test/results/timeseries_mesh"+System.currentTimeMillis()+".csv");
                artifact.feed(this.readDocument("src/test/ressources/timeseries_mesh/timeseries_step_07_feed.xml"), cc);
                artifact.out(this.readDocument("src/test/ressources/timeseries_mesh/timeseries_step_07_out_statistics.xml"),fos2, cc);
                artifact.out(this.readDocument("src/test/ressources/timeseries_mesh/timeseries_step_07_out_chart.xml"),fos, cc);
                artifact.out(this.readDocument("src/test/ressources/timeseries_mesh/timeseries_step_07_out_csv.xml"),fos3, cc);
            } catch (Exception e){
                log.error(e,e);
                fail();
            }finally{
                try {
                    fos.flush();
                    fos.close();
                    fos2.flush();
                    fos2.close();
                    fos3.flush();
                    fos3.close();
                } catch (Exception e) {
                    log.error(e,e);
                }
            }
        } catch (Exception e) {
            log.error(e,e);
            fail();
        }
    }
    
    public void testVerticalProfileArtifact(){
        try {
            log.debug("GNVArtifactsTestCase.testVerticalProfileArtifact");
            String artefactName = "fis_marnet"; 
            ArtifactFactory artifactFactory = this.getArtifactFactory(artefactName);
            assertNotNull(artifactFactory);
            log.debug("VerticalProfile-ArtifactFactory is available");
            Artifact artifact = artifactFactory.createArtifact(""+System.currentTimeMillis(),bootstrap.getContext());
            assertNotNull(artifact);
            log.debug("VerticalProfile-Artifact is available");
            
            
            CallContext cc = new TestCallContext(bootstrap.getContext());
            
            // Erster Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile/verticalprofile_step_01_feed.xml",
                    "src/test/ressources/verticalprofile/verticalprofile_step_02_advance.xml");
            
            
            // Zweiter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile/verticalprofile_step_02_feed.xml",
                    "src/test/ressources/verticalprofile/verticalprofile_step_02_advance.xml");
            
            
            // Dritter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile/verticalprofile_step_03_feed.xml",
                    "src/test/ressources/verticalprofile/verticalprofile_step_03_advance.xml");
            
            
            // Vierter Schritt
            Document outputData = artifact.describe(null);
            FileOutputStream fos = null;
            FileOutputStream fos2 = null;
            FileOutputStream fos3 = null;
            try{
                fos = new FileOutputStream("src/test/results/verticalprofile"+System.currentTimeMillis()+".png");
                fos2 = new FileOutputStream("src/test/results/verticalprofile"+System.currentTimeMillis()+".xml");
                fos3 = new FileOutputStream("src/test/results/verticalprofile"+System.currentTimeMillis()+".csv");
                artifact.feed(this.readDocument("src/test/ressources/verticalprofile/verticalprofile_step_04_feed.xml"), cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile/verticalprofile_step_04_out_statistics.xml"),fos2, cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile/verticalprofile_step_04_out_chart.xml"),fos, cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile/verticalprofile_step_04_out_csv.xml"),fos3, cc);
            } catch (Exception e){
                log.error(e,e);
                fail();
            }finally{
                try {
                    fos.flush();
                    fos.close();
                    fos2.flush();
                    fos2.close();
                    fos3.flush();
                    fos3.close();
                } catch (Exception e) {
                    log.error(e,e);
                }
            }
        } catch (Exception e) {
            log.error(e,e);
            fail();
        }
    }
    
    public void testVerticalProfileMeshArtifact(){
        try {
            log.debug("GNVArtifactsTestCase.testVerticalProfileArtifact");
            String artefactName = "fis_modeldata"; 
            ArtifactFactory artifactFactory = this.getArtifactFactory(artefactName);
            assertNotNull(artifactFactory);
            log.debug("VerticalProfile-ArtifactFactory is available");
            Artifact artifact = artifactFactory.createArtifact(""+System.currentTimeMillis(),bootstrap.getContext());
            assertNotNull(artifact);
            log.debug("VerticalProfile-Artifact is available");
            
            
            CallContext cc = new TestCallContext(bootstrap.getContext());
            
            // Erster Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_01_feed.xml",
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_01_advance.xml");
            
            // Zweiter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_02_feed.xml",
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_02_advance.xml");
            
            // Dritter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_03_feed.xml",
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_03_advance.xml");
            
            // Vierter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_04_feed.xml",
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_04_advance.xml");
            
            // F�nfter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_05_feed.xml",
                    "src/test/ressources/verticalprofile_mesh/verticalprofile_step_05_advance.xml");
            
            // Sechster Schritt
            Document outputData = artifact.describe(null);
            FileOutputStream fos = null;
            FileOutputStream fos2 = null;
            FileOutputStream fos3 = null;
            try{
                fos = new FileOutputStream("src/test/results/verticalprofile_mesh"+System.currentTimeMillis()+".png");
                fos2 = new FileOutputStream("src/test/results/verticalprofile_mesh"+System.currentTimeMillis()+".xml");
                fos3 = new FileOutputStream("src/test/results/verticalprofile_mesh"+System.currentTimeMillis()+".csv");
                artifact.feed(this.readDocument("src/test/ressources/verticalprofile_mesh/verticalprofile_step_06_feed.xml"), cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile_mesh/verticalprofile_step_06_out_statistics.xml"),fos2, cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile_mesh/verticalprofile_step_06_out_chart.xml"),fos, cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile_mesh/verticalprofile_step_06_out_csv.xml"),fos3, cc);
            } catch (Exception e){
                log.error(e,e);
                fail();
            }finally{
                try {
                    fos.flush();
                    fos.close();
                    fos2.flush();
                    fos2.close();
                    fos3.flush();
                    fos3.close();
                } catch (Exception e) {
                    log.error(e,e);
                }
            }
        } catch (Exception e) {
            log.error(e,e);
            fail();
        }
    }
    
    
    
    public void testVerticalProfileInstantaneousPointArtifact(){
        try {
            log.debug("GNVArtifactsTestCase.testVerticalProfileArtifact");
            String artefactName = "fis_instantaneouspoint"; 
            ArtifactFactory artifactFactory = this.getArtifactFactory(artefactName);
            assertNotNull(artifactFactory);
            log.debug("VerticalProfile-ArtifactFactory is available");
            Artifact artifact = artifactFactory.createArtifact(""+System.currentTimeMillis(),bootstrap.getContext());
            assertNotNull(artifact);
            log.debug("VerticalProfile-Artifact is available");
            
            
            CallContext cc = new TestCallContext(bootstrap.getContext());
            
            // Erster Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_01_feed.xml",
                    "src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_01_advance.xml");
            
            // Zweiter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_02_feed.xml",
                    "src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_02_advance.xml");
            
            // Dritter Schritt
            this.doNextStep(artifact, cc,
                    "src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_03_feed.xml",
                    "src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_03_advance.xml");
            
            // Vierter Schritt
            Document outputData = artifact.describe(null);
            FileOutputStream fos = null;
            FileOutputStream fos2 = null;
            FileOutputStream fos3 = null;
            try{
                fos = new FileOutputStream("src/test/results/verticalprofile_instantaneouspoint"+System.currentTimeMillis()+".png");
                fos2 = new FileOutputStream("src/test/results/verticalprofile_instantaneouspoint"+System.currentTimeMillis()+".xml");
                fos3 = new FileOutputStream("src/test/results/verticalprofile_instantaneouspoint"+System.currentTimeMillis()+".csv");
                artifact.feed(this.readDocument("src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_04_feed.xml"), cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_04_out_statistics.xml"),fos2, cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_04_out_chart.xml"),fos, cc);
                artifact.out(this.readDocument("src/test/ressources/verticalprofile_instantaneouspoint/verticalprofile_step_04_out_csv.xml"),fos3, cc);
            } catch (Exception e){
                log.error(e,e);
                fail();
            }finally{
                try {
                    fos.flush();
                    fos.close();
                    fos2.flush();
                    fos2.close();
                    fos3.flush();
                    fos3.close();
                } catch (Exception e) {
                    log.error(e,e);
                }
            }
        } catch (Exception e) {
            log.error(e,e);
            fail();
        }
    }
    
    protected void createFile(byte[] content, String fileName){
        try {
            FileOutputStream fos = new FileOutputStream(new File(fileName));
            ByteArrayInputStream bis = new ByteArrayInputStream(content);
            byte[] buf = new byte[4096];
            while (bis.read(buf) > 0){
              fos.write(buf);   
            }
            fos.flush();
            fos.close();
        } catch (FileNotFoundException e) {
            log.error(e,e);
        } catch (IOException e) {
            log.error(e,e);
        }
    }
    

    /**
     * @param artefactName
     */
    private ArtifactFactory getArtifactFactory(String artefactName){
        log.debug("GNVArtifactsTestCase.getArtifactFactory");
        ArtifactFactory[] artifactFactories = bootstrap.getArtifactFactories();
        for (int i = 0; i < artifactFactories.length; i++){
            if (artifactFactories[i].getName().equals(artefactName)){
                log.debug("ArtifactFactory wurde gefunden.");
                return artifactFactories[i];
            }
        }
        return null;
    }
    
    protected void writeDocument2Log(Document document){
        log.debug(new ArtifactXMLUtilities().writeDocument2String(document));
    }
    
    
    protected Document readDocument(String fileName){
        Document returnValue = null;
        try {
            DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
            returnValue = docBuilder.parse (new File(fileName));
        } catch (ParserConfigurationException e) {
            log.error(e,e);
        } catch (SAXException e) {
            log.error(e,e);
        } catch (IOException e) {
            log.error(e,e);
        }
        return returnValue;
    }
    

 private void check4ExceptionReport(Document document) throws Exception{
        document = new ArtifactXMLUtilities().reInitDocument(document);
        String message = Config.getStringXPath(document,"/exceptionreport/exception");
        if (message != null){
            throw new Exception(message);
        }
    }
}