package jalview.fts.service.uniprot;

import jalview.fts.api.FTSRestClientI;
import jalview.fts.core.FTSRestClient;
import jalview.fts.core.FTSRestRequest;
import jalview.fts.core.FTSRestResponse;

import javax.ws.rs.core.MediaType;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;

public class UniProtRestClient extends FTSRestClient
{
  private static FTSRestClientI instance = null;

  public static final String UNIPROT_SEARCH_ENDPOINT = "http://www.uniprot.org/uniprot/?";

  private static int DEFAULT_RESPONSE_SIZE = 200;

  @Override
  public FTSRestResponse executeRequest(FTSRestRequest uniportRestRequest)
  {
    ClientConfig clientConfig = new DefaultClientConfig();
    Client client = Client.create(clientConfig);

    @SuppressWarnings("unchecked")
    // String wantedFields =
    // getUniProtDocFieldsAsCommaDelimitedString((Collection<UniProtDocField>)
    // uniportRestRequest
    // .getWantedFields());
    int responseSize = (uniportRestRequest.getResponseSize() == 0) ? DEFAULT_RESPONSE_SIZE
            : uniportRestRequest.getResponseSize();

    WebResource webResource = null;

    webResource = client.resource(UNIPROT_SEARCH_ENDPOINT)
            .queryParam("format", "tab")
            // .queryParam("columns", wantedFields)
            .queryParam("limit", String.valueOf(responseSize))
            .queryParam("query", "name:filaggrin");
    // Execute the REST request
    ClientResponse clientResponse = webResource
            .accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
    String responseString = clientResponse.getEntity(String.class);
    String[] results = responseString.split("\n");
    for (String result : results)
    {
      String[] columns = result.split("\t");
      System.out.println("Entry : " + columns[0]);
      System.out.println("Entry name : " + columns[1]);
      System.out.println("Status : " + columns[2]);
      System.out.println("Protein names : " + columns[3]);
      System.out.println("Gene name : " + columns[4]);
      System.out.println("Organism : " + columns[5]);
      System.out.println("Lenght : " + columns[6]);
      System.out.println("");
    }

    // Make redundant objects eligible for garbage collection to conserve
    // memory
    clientResponse = null;
    client = null;
    return null;

    // Process the response and return the result to the caller.
    // return parsePDBJsonResponse(responseString, pdbRestRequest);
    // System.out.println(">>>>> " + responseString);

  }


  public static FTSRestClientI getInstance()
  {
    if (instance == null)
    {
      instance = new UniProtRestClient();
    }
    return instance;
  }

  @Override
  public String getColumnDataConfigFile()
  {
    return "fts/uniprot_data_columns.conf";
  }

}