/*
 * $Id$
 *
 * This file is part of the Cloud Services Integration Platform (CSIP),
 * a Model-as-a-Service framework, API, and application suite.
 *
 * 2012-2019, OMSLab, Colorado State University.
 *
 * OMSLab licenses this file to you under the MIT license.
 * See the LICENSE file in the project root for more information.
 */
package crp.utils;

import static csip.ModelDataService.KEY_METAINFO;
import static csip.ModelDataService.KEY_PARAMETER;
import csip.ServiceException;
import csip.utils.JSONUtils;
import java.util.Map;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

/**
 *
 * @author <a href="mailto:shaun.case@colostate.edu">Shaun Case</a>
 */
public class WEPS extends ServiceCall {

    private JSONObject metaInfo;
    private String climateData;
    double windErosion;
    private JSONObject rotation;
    private double latitude, longitude, regionLength, regionWidth, regionOrientation;
    private String cokey;
    private WEPSFallowRotation fallowRotation;

    public WEPS(JSONObject metaInfo, double _latitude, double _longitude, double _regionLength, double _regionWidth,
            double _regionOrientation, String _cokey, JSONObject _rotation, String URI) throws JSONException {
        super(URI);
        this.metaInfo = metaInfo;
        if (null == _rotation) {
            rotation = new WEPSFallowRotation(0).rotation();
        } else {
            rotation = _rotation;
        }
        latitude = _latitude;
        longitude = _longitude;
        cokey = _cokey;
        regionLength = _regionLength;
        regionWidth = _regionWidth;
        regionOrientation = _regionOrientation;

        errorPrefix = "WEPSServiceCall";
    }

    public String data() {
        return climateData;
    }

    @Override
    protected void parseResults() throws ServiceException {
        //   Error checking has already been done on these results.
        // If we get to this function, no further error
        // checking is necessary, except to look at the "results" array in the output, if desired.
        if (null == callResultSection) {
            throw new ServiceException((errorPrefix.isEmpty() ? "" : (errorPrefix + ":  ")) + "Cannot find results in the call to " + this.URI + " .");
        }

        try {
            //  Get the climate file and store it.
            Map<String, JSONObject> resultMap = JSONUtils.getResults(results);
            if ( resultMap.containsKey("wind_eros")){
                windErosion = JSONUtils.getDoubleParam(resultMap, "wind_eros",Double.NaN);                
            }else{
                throwServiceCallException("Cannot find the wind_eros result.");
            }
        } catch (JSONException ex) {
            throwServiceCallException("Error trying to find results section", ex);
        }
    }

    @Override
    protected void createRequest() throws ServiceException {
        JSONArray dataArray;

        requestMetainfoObject = new JSONObject();
        request = new JSONObject();

        dataArray = new JSONArray();
        try {
            requestMetainfoObject.put("MultipartRequest", "Bundled Service Request From csip-crp MetaModeling CliWindSoil Service");
            requestMetainfoObject.put("CRPAssessment_Metainfo", metaInfo);
            requestMetainfoObject.put("mode", "sync");

            request.put(KEY_METAINFO, requestMetainfoObject);

            JSONArray windBarriers = new JSONArray();
            JSONObject windBarrier = new JSONObject("{\"name\": \"wind_barrier\",\"value\": null,\"properties\": {} }");

            windBarriers.put(windBarrier);
            windBarriers.put(windBarrier);
            windBarriers.put(windBarrier);
            windBarriers.put(windBarrier);

            //  Non-Changing values
            dataArray.put(JSONUtils.data("wind_barriers", windBarriers));
            dataArray.put(JSONUtils.data("crop_calibration_mode", false));
            dataArray.put(JSONUtils.data("usePRISM", true));
            dataArray.put(JSONUtils.data("field_shape", "rectangle"));
            dataArray.put(JSONUtils.data("elevation", 0));
            dataArray.put(JSONUtils.data("field_radius", 0));
            dataArray.put(JSONUtils.data("soil_rock_fragments", 0));

            //  User or other service provided values
            dataArray.put(JSONUtils.data("latitude", latitude));
            dataArray.put(JSONUtils.data("longitude", longitude));
            dataArray.put(JSONUtils.data("soil", cokey));
            dataArray.put(JSONUtils.data("field_length", regionLength));
            dataArray.put(JSONUtils.data("field_width", regionWidth));
            dataArray.put(JSONUtils.data("field_orientation", regionOrientation));

            //  Rotation object retrieved from CRP Database
            dataArray.put(rotation);

            request.put(KEY_PARAMETER, dataArray);

        } catch (JSONException ex) {
            throwServiceCallException("Cannot create the JSON request.", ex);
        }
    }

    public double windErosion() {
        return windErosion;
    }
}