package imageis;

import eu.pharos.kmi.videosegmentation.ContentBasedSearchWSProxyStub;
import eu.pharos.kmi.videosegmentation.ContentBasedSearchWSProxyStub.QueryByID;
import eu.pharos.kmi.videosegmentation.ContentBasedSearchWSProxyStub.QueryByIDResponse;
import eu.pharos.kmi.videosegmentation.VSProcessor;
import eu.pharos.kmi.videosegmentation.VSVideoBean;
import eu.pharos.kmi.videosegmentation.VideoSegmentation;
import java.io.File;
import java.io.PrintStream;
import mpegMpeg7Schema2001.MediaLocatorType;
import mpegMpeg7Schema2001.Mpeg7Document;
import mpegMpeg7Schema2001.Mpeg7Document.Factory;
import org.apache.commons.io.FileUtils;
import org.apache.xmlbeans.XmlObject;

public class ImageIS
{
  private final String namespaceDeclaration = "declare namespace mpeg7='urn:mpeg:mpeg7:schema:2001';";
  private final String query2 = "$this//mpeg7:MediaLocator";
  private static ContentBasedSearchWSProxyStub cbsStub = null;
  private static boolean proxy = false;
  private static String proxyHost = null;
  private static int proxyPort = 0;
  private VSProcessor vsp = null;
  
  public ImageIS()
  {
    if (!(VideoSegmentation.instanceCreated())){
      VideoSegmentation.getInstance();
    }
    String video_endpoint = VideoSegmentation.getCbseWSEndpoint();
    try {
      this.cbsStub = new ContentBasedSearchWSProxyStub(video_endpoint);
    } catch (Exception e) {
      System.err.println(e);
    }
  }

  public String query(String collection, String id) throws Exception {
    ContentBasedSearchWSProxyStub.QueryByID req = new ContentBasedSearchWSProxyStub.QueryByID();
    System.err.println("ImageIS, querying "+collection+":"+id+".jpg");
    String input = query_xml;
    input=input.replace("**docid**", collection+":"+id+".jpg");
    req.setQuery(input);
    ContentBasedSearchWSProxyStub.QueryByIDResponse res = getCbsStub().queryByID(req);
    return res.get_return();
    }
  
  public static void main(String[] args)
  {
    try {
      
      if (args.length != 1) {
        System.out.println("USAGE: java -jar ImageIS.jar xmlinput.xml");
        System.exit(0);
      }
      String dir = System.getProperty("user.dir");

      File inputFile = new File(dir + System.getProperty("file.separator") + args[0]);

      String input = FileUtils.readFileToString(new File(args[0]));

      ImageIS inst = new ImageIS();

      if (input.contains("kmi image annotation segment to add")) {
	System.err.println("adding an image");
        String imageLocation = inst.getImageLocation(inst.processMpeg7Input(input));
	
	//String video_endpoint = VideoSegmentation.getCbseWSEndpoint();

	//ContentBasedSearchWSProxyStub cbse_stub = new ContentBasedSearchWSProxyStub(video_endpoint);
	//inst.setCbsStub(cbse_stub);
        ////inst.setCbsStub(new ContentBasedSearchWSProxyStub(VideoSegmentation.getCbseWSEndpoint()));
        inst.setVsp(new VSProcessor(VideoSegmentation.getWorkpath(), new VSVideoBean(imageLocation), inst.getCbsStub()));
        inst.getVsp().processExistingKeyframes();
        inst.getVsp().addLFImageDB();
        System.out.println("TRUE");
      }
      else if (input.contains("kmi image annotation segment to remove")) {
        String imageLocation = inst.getImageLocation(inst.processMpeg7Input(input));
        inst.setCbsStub(new ContentBasedSearchWSProxyStub(VideoSegmentation.getCbseWSEndpoint()));
        inst.setVsp(new VSProcessor(VideoSegmentation.getWorkpath(), new VSVideoBean(imageLocation), inst.getCbsStub()));

        inst.getVsp().removeExistingKeyframes(input);
        System.out.println("TRUE");
      }
      else if (input.contains("QueryByMedia")) {
        inst.setCbsStub(new ContentBasedSearchWSProxyStub(VideoSegmentation.getCbseWSEndpoint()));
        ContentBasedSearchWSProxyStub.QueryByID req = new ContentBasedSearchWSProxyStub.QueryByID();
        req.setQuery(input);
        ContentBasedSearchWSProxyStub.QueryByIDResponse res = inst.getCbsStub().queryByID(req);
        FileUtils.writeStringToFile(new File(dir + System.getProperty("file.separator") + "image_cbs_result.xml"), res.get_return());
      }
      else {
        throw new RuntimeException("Unsuported action" + input);
      }
    }
    catch (Exception e) {
      // System.out.println(e);
      e.printStackTrace();
    }
  }
  
  public static boolean isProxy()
  {
    return proxy;
  }
  
  public static void setProxy(boolean aProxy)
  {
    proxy = aProxy;
  }

  public static String getProxyHost()
  {
    return proxyHost;
  }

  public static void setProxyHost(String aProxyHost)
  {
    proxyHost = aProxyHost;
  }

  public static int getProxyPort()
  {
    return proxyPort;
  }

  public static void setProxyPort(int aProxyPort)
  {
    proxyPort = aProxyPort;
  }

  public ContentBasedSearchWSProxyStub getCbsStub()
  {
    return this.cbsStub;
  }

  public void setCbsStub(ContentBasedSearchWSProxyStub cbsStub)
  {
    this.cbsStub = cbsStub;
  }

  private String processMpeg7Input(String mpeg7) throws Exception
  {
    Mpeg7Document mpeg7doc = Mpeg7Document.Factory.parse(mpeg7);

    if (!(mpeg7doc.validate())) {
      System.out.println("Invalid instance!!!: " + mpeg7);
    }

    return getMediaURI(mpeg7doc);
  }

  private String getMediaURI(Mpeg7Document mpeg7doc)
  {
    XmlObject[] ml = mpeg7doc.selectPath("declare namespace mpeg7='urn:mpeg:mpeg7:schema:2001';$this//mpeg7:MediaLocator");
    MediaLocatorType mlt = (MediaLocatorType)ml[0];
    return mlt.getMediaUri().trim();
  }

  private String getImageLocation(String input) throws Exception {
    if (input.startsWith("file://")) {
      return input.substring("file://".length(), input.length());
    }
    return input;
  }

  public VSProcessor getVsp()
  {
    return this.vsp;
  }

  public void setVsp(VSProcessor vsp)
  {
    this.vsp = vsp;
  }

  private static String query_xml = "<MpegQuery mpqfID='TestId0012-36' xmlns='urn:mpeg:mpqf:schema:2008' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:mpeg7='urn:mpeg:mpeg7:schema:2004' xsi:schemaLocation='urn:mpeg:mpqf:schema:2008 mpqfv08.xsd urn:mpeg:mpeg7:schema:2004 M7v2schema.xsd'><Query><Input><!-- This is used to format the output /  Result set --><OutputDescription maxItemCount='10'  freeTextUse='true' mediaResourceUse='true' outputNameSpace='urn:mpeg:mpqf:schema:2008'></OutputDescription><QueryCondition><TargetMediaType>video/jpeg</TargetMediaType><Condition xsi:type='QueryByMedia' matchType='similar' thresholdValue='0.8' preferenceValue='1'><MediaResource resourceID='id001'><MediaResource><MediaUri>**docid**</MediaUri></MediaResource></MediaResource></Condition></QueryCondition><ServiceSelection><ServiceID>image-search-mediaid</ServiceID></ServiceSelection></Input></Query></MpegQuery>";
  

}