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package m.watershed.extract_SRTMDEM;

import csip.ModelDataService;
import javax.ws.rs.Path;
import csip.annotations.*;
import java.io.*;
import csip.api.server.Executable;
import csip.annotations.Resource;
import static csip.annotations.ResourceType.*;

/**
 * Extract SRTM DEM
 *
 * @author JK (using OD's template)
 */
@Name("extract_SRTMDEM")
@Description("Example of SRTMDEM extraction")
@Resource(file = "gdalwarp", type = REFERENCE, id = "gdalwarp")
@Path("m/extract_SRTMDEM/1.0")
public class V1_0 extends ModelDataService {

    // 2) watershed
    @Override
    protected void doProcess() throws Exception {

        String bound_4326 = parameter().getString("bound_wkt");
        String[] coord_2 = bound_4326.split(" ");
        String[] xy_4326_1 = coord_2[1].split(",");
        String x_min_1 = xy_4326_1[1];
        String y_min_1 = xy_4326_1[0];
        String[] xy_4326_2 = coord_2[2].split(",");
        String x_max_1 = xy_4326_2[1];
        String y_max_1 = xy_4326_2[0];
        String bound_2 = x_min_1 + " " + y_min_1 + " " + x_max_1 + " " + y_max_1;

        LOG.info(bound_2);

        String wd = workspace().getDir().toString();

        Executable e = resources().getExe("gdalwarp");
        e.addArguments("/mnt/csip-watershed/srtm_dem.vrt", wd + "/DEM_4326.tif", "-te", x_min_1, y_min_1, x_max_1, y_max_1, "-multi");
        e.exec();

        e = resources().getExe("gdalwarp");
        e.addArguments("-t_srs", "EPSG:3857", wd + "/DEM_4326.tif", wd + "/DEM_clip.tif", "-multi");
        e.exec();

    }

    // 3) provide the temperature as a result.
    @Override
    protected void postProcess() throws Exception {
        String ip = request().getRemoteAddr();
        File ws = workspace().getDir();
        results().put(new File(ws, "DEM_clip.tif"), "gauged watershed");

    }

}