package net.sourceforge.solexatools.webapp.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sourceforge.seqware.common.business.WorkflowRunService;
import net.sourceforge.seqware.common.model.Registration;
import net.sourceforge.seqware.common.model.WorkflowRun;
import io.seqware.common.model.WorkflowRunStatus;
import net.sourceforge.solexatools.Security;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.BaseCommandController;

/**
 * <p>
 * CancelAnalysisWorkflowController class.
 * </p>
 * 
 * @author boconnor
 * @version $Id: $Id
 */
public class CancelAnalysisWorkflowController extends BaseCommandController {
    private WorkflowRunService workflowRunService;

    /**
     * <p>
     * Constructor for CancelAnalysisWorkflowController.
     * </p>
     */
    public CancelAnalysisWorkflowController() {
        super();
        setSupportedMethods(new String[] { METHOD_GET });
    }

    /**
     * {@inheritDoc}
     * 
     * @return
     * @throws java.lang.Exception
     */
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {

        Registration registration = Security.getRegistration(request);
        if (registration == null) return new ModelAndView("redirect:/login.htm");

        WorkflowRun workflowRun = getRequestedWorkflowRun(request);

        if (workflowRun != null) {
            Integer ownerId = workflowRun.getOwner().getRegistrationId();
            Integer registrationId = registration.getRegistrationId();

            if (registrationId.equals(ownerId)) {
                if (workflowRun.getStatus() != WorkflowRunStatus.completed) {
                    workflowRun.setStatus(WorkflowRunStatus.cancelled);
                    getWorkflowRunService().update(workflowRun);
                }
            }
        }

        return null;
    }

    private WorkflowRun getRequestedWorkflowRun(HttpServletRequest request) {
        WorkflowRun workflowRun = null;
        String id = (String) request.getParameter("objectId");

        if (id != null) {
            Integer workflowRunID = Integer.parseInt(id);
            workflowRun = getWorkflowRunService().findByID(workflowRunID);
        }
        return workflowRun;
    }

    /**
     * <p>
     * Getter for the field <code>workflowRunService</code>.
     * </p>
     * 
     * @return a {@link net.sourceforge.seqware.common.business.WorkflowRunService} object.
     */
    public WorkflowRunService getWorkflowRunService() {
        return workflowRunService;
    }

    /**
     * <p>
     * Setter for the field <code>workflowRunService</code>.
     * </p>
     * 
     * @param workflowRunService
     *            a {@link net.sourceforge.seqware.common.business.WorkflowRunService} object.
     */
    public void setWorkflowRunService(WorkflowRunService workflowRunService) {
        this.workflowRunService = workflowRunService;
    }
}