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package m.watershed.dist2stream;

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.*;

/**
 * distance to stream
 *
 * @author JK (using OD's template)
 */
@Name("dist2stream")
@Description("Example of distance to stream")
@Path("m/dist2stream/1.0")
//@Resource(file = "mpirun", type = REFERENCE, id = "mpirun")
@Resource(file = "/bin/lin-amd64/d8hdisttostrm", type = EXECUTABLE, id = "d8hdisttostrm")

public class V1_0 extends ModelDataService {

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

        String file1 = parameter().getString("flow_dir");
        File file_obj_1 = attachments().getFile(file1);
        String flow_8dir_path = file_obj_1.getPath();

        String file2 = parameter().getString("src");
        File file_obj_2 = attachments().getFile(file2);
        String src_path = file_obj_2.getPath();

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

        //Executable e = resources().getExe("mpirun");
        //File e2 = resources().getFile("d8hdisttostrm");
        Executable e = resources().getExe("d8hdisttostrm");
        //e.addArguments("-np", "2", "-host", "localhost", e2.getAbsolutePath(), "-p", flow_8dir_path, "-src", src_path, "-dist", wd + "/tempdist.tif");        
        e.addArguments("-p", flow_8dir_path, "-src", src_path, "-dist", wd + "/tempdist.tif");
        e.exec();
    }

    // 3) provide the result.
    @Override
    protected void postProcess() throws Exception {
        File ws = workspace().getDir();
        results().put(new File(ws, "tempdist.tif"), "distance");

    }

}