package jalview.io;

import jalview.datamodel.Alignment;
import jalview.datamodel.Sequence;

import java.io.IOException;
import java.util.Iterator;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.junit.Assert;
import org.junit.Test;

import com.json.JSONException;

public class BioJsHTMLOutputTest
{


  @Test
  public void getJalviewAlignmentAsJsonString()
  {
    BioJsHTMLOutput bioJsHtmlOuput = new BioJsHTMLOutput(null, null);
    bioJsHtmlOuput.setGlobalColorScheme("Zappo");

    Sequence[] seqs = new Sequence[1];
    Sequence seq = new Sequence("name", "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 1, 26);
    // SequenceFeature seqFeature = new SequenceFeature("type", "desc",
    // "status", 1, 5, "jalview");
    // seq.addSequenceFeature(seqFeature);
    seq.setDatasetSequence(seq);
    seqs[0] = seq;

    Alignment al = new Alignment(seqs);
    try
    {

      JSONParser jsonParser = new JSONParser();
      String actualJsonString = bioJsHtmlOuput
              .getJalviewAlignmentAsJsonString(al);

      JSONObject actualJsonObj = (JSONObject) jsonParser.parse(actualJsonString);

      // System.out.println("Output : " + actualJsonString);
      Assert.assertTrue(actualJsonObj.get("globalColorScheme") != null); 
      Assert.assertTrue((actualJsonObj.get("globalColorScheme").toString()).equals("zappo")); 
      
      Assert.assertTrue(actualJsonObj.get("webStartUrl") != null);
      Assert.assertTrue((actualJsonObj.get("webStartUrl").toString())
              .equals("http://www.jalview.org/services/launchApp"));

      JSONArray actualSeqJsonObj = (JSONArray) actualJsonObj.get("seqs");
      Assert.assertTrue(actualSeqJsonObj != null);
      Assert.assertTrue(actualSeqJsonObj.size() == 1);

      @SuppressWarnings("unchecked")
      Iterator<JSONObject> jsonIter = actualSeqJsonObj.iterator();
      JSONObject jsonSeq = jsonIter.next();
      Assert.assertTrue(jsonSeq != null);

      Assert.assertTrue("'name' cannot be null!",
              jsonSeq.get("name") != null);
      Assert.assertTrue("Expected name mismatched!",
              (jsonSeq.get("name").toString())
              .equals("name/1-26"));

      Assert.assertTrue("'seq' cannot be null!", jsonSeq.get("seq") != null);
      Assert.assertTrue("Expected sequence mismatched!", (jsonSeq
              .get("seq").toString())
              .equals("ABCDEFGHIJKLMNOPQRSTUVWXYZ"));

      Assert.assertTrue("'id' cannot be null!", jsonSeq.get("id") != null);
      Assert.assertTrue("Expected id mismatched!",
              (jsonSeq.get("id").toString()).equals("1"));

      Assert.assertTrue("'start' cannot be null!",
              jsonSeq.get("start") != null);
      Assert.assertTrue("Expected start mismatched!",
              (jsonSeq.get("start").toString()).equals("1"));

      Assert.assertTrue("'end' cannot be null!", jsonSeq.get("end") != null);
      Assert.assertTrue("Expected end mismatched!",
              (jsonSeq.get("end").toString()).equals("26"));

      Assert.assertTrue("'features' cannot be null!",
              jsonSeq.get("features") != null);
      Assert.assertTrue("Expected features mismatched!",
              jsonSeq.get("features").toString().equals("[]"));

    } catch (IOException e)
    {
      e.printStackTrace();
    } catch (JSONException e)
    {
      e.printStackTrace();
    } catch (ParseException e)
    {
      e.printStackTrace();
    }
  }
  
}