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 */
package writers;

import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.time.format.DateTimeFormatter;
import nodes.Event;
import nodes.Management;
import org.apache.commons.io.FileUtils;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import static utils.Constants.*;

/**
 *
 * @author Brad
 */
public class ROTWriter {

  public void writeROTfile(Management man, String fileName) throws JSONException, IOException {
    JSONObject rot = createROTJSON(man);

    FileUtils.writeStringToFile(new File(fileName), rot.toString(4), Charset.defaultCharset());
  }

  public JSONObject createROTJSON(Management man) throws JSONException {
    JSONObject rot = new JSONObject();
    JSONArray jrotations = new JSONArray();
    JSONObject jmanagementTemplate = new JSONObject();
    JSONArray jman_data = new JSONArray();
    JSONObject jman_datum;
    JSONObject jcrop;
    JSONObject jop;
    JSONObject jres;
    String name;
    String id;
    String yield;

    rot.put(DURATION, man.getRotationYears());
    rot.put(MANAGEMENTS, jrotations);
    jrotations.put(jmanagementTemplate);
    jmanagementTemplate.put(EVENTS, jman_data);

    for (Event datum : man.getManagementData()) {
      jman_datum = new JSONObject();

      if (datum.getCrop() != null) {
        jcrop = new JSONObject();
        jcrop.put(NAME, datum.getCrop().getName());
        jcrop.put(ID, datum.getCrop().getID());
        jman_datum.put(YIELD, datum.getCrop().getYield());
        //jcrop.put(DEFAULT_YIELD, String.valueOf(datum.getCrop().getYield()));
        jman_datum.put(CROP, jcrop);
      }

      if (datum.getResidue() != null) {
        jres = new JSONObject();
        jres.put(NAME, datum.getResidue().getName());
        jres.put(ID, datum.getResidue().getID());
        jman_datum.put(RESIDUE, jres);
      }

      jman_datum.put(DATE, datum.getDate().format(DateTimeFormatter.ISO_DATE));

      jop = new JSONObject();
      jop.put(NAME, datum.getOperation().getName());
      jop.put(ID, datum.getOperation().getID());
      jman_datum.put(OPERATION, jop);

      jman_datum.put(RES_ADDED, datum.getOperation().getResidueAmount());

      jman_data.put(jman_datum);
    }
    return rot;
  }
}