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package d.rusle2;

import c.GIS_DB;
import c.GIS_DB.FileQryResult;
import c.GIS_DB_Factory;
import java.sql.SQLException;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.Path;
import oms3.annotations.Description;
import oms3.annotations.Name;
import oms3.annotations.VersionInfo;
import org.codehaus.jettison.json.JSONArray;
import csip.ModelDataService;
import static csip.ModelDataService.EXEC_OK;
import csip.utils.JSONUtils;

/**
 * REST Web Service
 *
 * @author wlloyd
 */
@Name("Climate")
@Description("EPA climate service")
@VersionInfo("1.0")
@Path("d/rusle2/climate/1.0")
public class Climate1_0 extends ModelDataService {

    static final Logger logger = Logger.getLogger(Climate1_0.class.getName());
    String rusle2db = "http://csip.engr.colostate.edu/r2";
    static final String CLIMATE_FILE_EXT = ".xml";
    JSONArray outputObj;

    @Context
    private UriInfo context;

    GIS_DB db;
    @Context
    HttpServletRequest inRequest;


    @Override
    protected void finalize() throws Throwable {
        super.finalize();
        try {
            if (db != null) {
                db.close();
            }
        } catch (SQLException ex) {
            Logger.getLogger(Climate1_0.class.getName()).log(Level.SEVERE, null, ex);
        }
    }


    public Climate1_0() throws Exception {
        db = GIS_DB_Factory.createGISEngine();
    }


    @Override
    protected JSONArray createResults() throws Exception {
        return outputObj;
    }


    @Override
    protected String process() throws Exception {
        outputObj = new JSONArray(getParam().toString());
        JSONArray aOutput = new JSONArray();
        org.json.JSONObject res = new org.json.JSONObject();
        double start = System.currentTimeMillis();
        double end = 0;
        String status = "Finished";

        log("get lat long from content input");
        double latitude = JSONUtils.getDoubleParam(getParamMap(), "latitude", 0);
        double longitude = JSONUtils.getDoubleParam(getParamMap(), "longitude", 0);

        try {
            FileQryResult climate = null;

            try {
                log("find climate for lat long");
                climate = db.findClimate(latitude, longitude);
                log("found climate for lat lng");
            } catch (SQLException ex) {
                log("exception finding climate for lat long");
                Logger.getLogger(Climate1_0.class.getName()).log(Level.SEVERE, null, ex);
            }

            log("put climate into array list");
            String sClimate;
            sClimate = rusle2db + "/epa/" + climate.file_path + "/" + climate.file_name + CLIMATE_FILE_EXT;
            sClimate = fixClimateUrl(sClimate);

            log("build jsonobject to return");

            aOutput.put(JSONUtils.data("tstamp", new Date()));
            aOutput.put(JSONUtils.data("climate", (String) sClimate));
//                    res.put("name", "climate");
//                    res.put("value", (String) sClimate);
//                    aOutput.put(res);  aOutput.

//                    res.put("tstamp", new Date());
//                    res.put("climate", (String) sClimate);
            log("JSON object returned is=" + res.toString());
            log("write response");
            end = System.currentTimeMillis();
        } catch (Exception ex) {
            log("Exception: " + ex.toString());
            status = "Failed";
        }

        //outputObj.put(res);
        outputObj.put(aOutput);
        //return res.toString();
        return EXEC_OK;
    }


    private String fixClimateUrl(String text) {
        log("fixing string=" + text);
        // remove \/ 's
        text = text.replace("\\/", "/");
        // convert \\ to /
        text = text.replace("\\\\", "/");
        // convert / to \
        text = text.replace("\\", "/");
        log("fixed string is=" + text);
        return text;
    }


    private void log(String text) {
        LOG.info(text);
    }
}