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 */
package m.util;

import csip.ModelDataService;
import csip.annotations.*;
import static csip.annotations.ResourceType.*;

import java.util.ArrayList;
import javax.ws.rs.Path;
//import org.codehaus.jettison.json.JSONArray;
//import org.codehaus.jettison.json.JSONException;
//import org.codehaus.jettison.json.JSONObject;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import java.io.IOException;
import java.text.ParseException;
import java.util.List;
import org.json.XML;
//import org.json.JSONArray;
//import org.json.JSONException;
//import org.json.JSONObject;

/**
 * This service returns data from a converted
 *
 * @author jf
 */
@Name("WEPSmanagementTranslate")
@Description("WEPS management translation")
@Path("m/util/wepstranslate/1.0")
@Polling(first = 2000, next = 2000)

// Output to capture
@Resource(file = "*stdout.txt *stderr.txt", type = OUTPUT)

/**
 * This is translation service from a WEPS .manx (XML management file for WEPS)
 * to a CRLMOD file that the WEPP interface can load.
 */
public class WEPS_CRLMOD_V1_0 extends ModelDataService {

  static final String WEPS_XML_DATA = "xmldata";
  static final String WEPS_FILENAME = "filename";
  
  String wepsdata;
  JSONObject wepsJson;
  JSONObject outJson;
  String wepsManName;
  
  @Override
  protected void doProcess() throws Exception {
       wepsdata = parameter().getString(WEPS_XML_DATA);
       wepsManName =  parameter().getString(WEPS_FILENAME,"unknown");
       
        try {
          String temps = XML.toJSONObject(wepsdata).toString();
          JSONObject temp = new JSONObject(temps);
          wepsJson = temp;
          // convert this WEPS JSON into a CRLMOD version, drop all 
          // WEPS specfic parameters
          JSONObject mandb = wepsJson.getJSONObject("wepsmanDB");
          JSONArray ops = mandb.getJSONArray("wepsmanvalue");
          if (ops != null) {
             outJson = new JSONObject();
             JSONArray events = new JSONArray();
             int lastYear = 1;
             for (int i = 0; i < ops.length(); i++) {
               JSONObject ev = new JSONObject();
               JSONObject oneop = ops.optJSONObject(i);
               String datestr = oneop.getString("date");
               String parts[] = datestr.split("/");
               int yr = Integer.parseInt(parts[2]);
               lastYear = yr;
               datestr = String.format("%04d", yr) + "-" + parts[1] + "-" + parts[0];
               ev.put("date", datestr);
              
               JSONObject wepsOp = oneop.getJSONObject("operationDB");
               JSONObject thisOp = new JSONObject();
               thisOp.put("name", wepsOp.getString("operationname"));
               thisOp.put("id","999");
               thisOp.put("OpGroup1","");
               thisOp.put("begin_growth",false);
               thisOp.put("kill_crop",false);
               thisOp.put("add_residue",false);
               thisOp.put("stir",0);
               
               String cropName = "";
               String targetYield = "";
               String hyldunits = "";
               String residuemass = "";
               boolean hasInterval = false;
               JSONArray actions = wepsOp.getJSONArray("actionvalue");
               for (int j=0; j < actions.length(); j++) {
                 JSONObject param = actions.optJSONObject(j);
                 JSONObject p1 = param.optJSONObject("param");
                 if (p1 != null) {
                    String pName = p1.optString("name");
                    if (pName != null) {
                        if (pName.equals("gcropname")) {
                            cropName = p1.optString("value");
                        }
                    }
                 } else {
                    JSONArray p2 = param.optJSONArray("param"); 
                    if (p2 != null) {
                        for (int k=0; k < p2.length(); k++) {
                           JSONObject paramar = p2.optJSONObject(k); 
                           String pname = paramar.optString("name");
                           if (pname != null) {
                               if (pname.equals("tgtyield")) {
                                   targetYield = paramar.optString("value");
                               } else if (pname.equals("hyldunits")) {
                                   hyldunits = paramar.optString("value");
                               } else if (pname.equals("rflatmass")) {
                                   residuemass = paramar.optString("value");
                               } else if (pname.equals("harv_calib_flg")) {
                                   int flg = paramar.optInt("value",0);
                                   if (flg == 1) {
                                     hasInterval = true;
                                   }
                               }
                           }
                        }
                    }
                 }
               }
   
               if (cropName != "") {
                   if (!residuemass.equals("")) {
                    JSONObject thisResidue = new JSONObject();
                    thisResidue.put("name",cropName);
                    double res = Double.parseDouble(residuemass);
                    String residuemassLBS = String.format("%.2f",(res * 8921.79));
                    thisResidue.put("res_added",residuemassLBS);
                    thisResidue.put("resGroup1", "");
                    thisResidue.put("id","999");
                    ev.put("residue",thisResidue);
                    thisOp.put("defaultResidueAdded",residuemassLBS);
                   } else {
                    JSONObject thisCrop = new JSONObject();
                    thisCrop.put("name",cropName);
                    thisCrop.put("yieldUnit", hyldunits);
                    thisCrop.put("defaultYield", targetYield);
                    thisCrop.put("yield",targetYield);
                    thisCrop.put("cropGroup1", "");
                    thisCrop.put("id","999");
                    ev.put("crop",thisCrop);
                    thisOp.put("defaultResidueAdded",0);
                   }
               } else {
                  thisOp.put("defaultResidueAdded",0);
               }
               ev.put("interval", hasInterval);
               ev.put("operation",thisOp);
               events.put(ev);
             }
             JSONObject rotObj = new JSONObject();
             JSONObject rot2Obj = new JSONObject();
             rotObj.put("duration",lastYear);
             JSONArray manarr = new JSONArray();
             JSONObject man1 = new JSONObject();
             man1.put("path", "managements\\local");
             man1.put("events",events);
             man1.put("name",wepsManName);
             manarr.put(man1);
             rotObj.put("managements",manarr);
             rot2Obj.put("rotation",rotObj);
             results().put("crlmod",rot2Obj);
          }
        }  catch (Exception e) {
          results().put("Error", "Failed", "Failed XML to JSON conversion");
          System.err.println("ERROR occured in WEPS conversion: converting XML to JSONObject.");
          e.printStackTrace();
          return;
        }
    
        
  }
  
  @Override
  protected void postProcess() throws Exception {
       //results().put("WEPSJson", outJson, "A json format version of results");
       //results().p
  }
  
}