package com.nsi.components.web.util;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import com.nsi.components.project.ProjectInfo;
import com.nsi.components.project.ProjectModel;
import com.nsi.components.util.ClientInfoUtil;
import com.nsi.components.util.LoginuserUtil;
import com.nsi.components.util.ProjectStatusInfoUtil;
import com.nsi.components.util.ProjectUtil;
import com.nsi.components.util.info.ClientInfo;
import com.nsi.components.util.info.ProjDropInfo;
import com.nsi.components.util.info.ProjectStatusInfo;
import com.nsi.constants.AppConstants;
import com.nsi.control.web.ModelManager;
import com.nsi.control.web.util.ModelManagerWebUtil;
import com.nsi.control.web.util.WebModelUtil;

public final class ProjectWebUtil
{
	/**
	 * private constructor of ProjectWebUtil, prevent instantiation
	 */
	private ProjectWebUtil()
	{
	}
	private static class ProjectWebUtilHolder
	{
		static final ProjectWebUtil projectWebUtil = new ProjectWebUtil();
	}
	/**
	 * @return an instance of ProjectWebUtil
	 */
	public static ProjectWebUtil getInstance()
	{
		return ProjectWebUtilHolder.projectWebUtil;
	}
	public String getProjectid(HttpServletRequest request)
	{
		ProjectInfo info = getProjectinfo( request );
		return info.getProjectid();
	}
	public String getEarliestentrydate( String projectid )
	{
		return ProjectUtil.getInstance().getEarliestentrydate(projectid);
	}
	public String getLatestentrydate( String projectid )
	{
		return ProjectUtil.getInstance().getLatestentrydate(projectid);
	}
	public String getResourceid(String projectid) {
		return ProjectUtil.getInstance().getResourceid(projectid);
	}
	public String getSearchtype( HttpServletRequest request )
	{
		String retval = "A";
		Object obj = request.getParameter("searchtype");
		if( obj != null )
		{
			retval = (String)obj;
		}
		return retval;
	}
	public List<ProjectStatusInfo> getStatuslist()
	{
		return ProjectStatusInfoUtil.getInstance().getStatuslist();
	}
	public List<ClientInfo> getClientlist()
	{
		return ClientInfoUtil.getInstance().getClientlist();
	}
	public String getProjecttype( HttpServletRequest request )
	{
		String retval = "ALL";
		Object obj = request.getParameter("projecttype");
		if( obj != null )
		{
			retval = (String)obj;
		}
		return retval;
	}
	public String getClientid( HttpServletRequest request )
	{
		String retval = AppConstants.EMPTY_STRING;
		Object obj = request.getParameter("clientid");
		if( obj != null )
		{
			retval = (String)obj;
		}
		return retval;
	}
	public List<ProjDropInfo> getProjectlist(HttpServletRequest request )
	{
		List<ProjDropInfo> list = new ArrayList<ProjDropInfo>();
		if( LoginuserUtil.getInstance().isProjectleader(request))
		{
			List<String> projectids = LoginuserUtil.getInstance().getLoginuser(request).leadingProjects();
			list = ProjectUtil.getInstance().getProjectlistPerProjectLeader(projectids);
		}
		else
		{
			list = ProjectUtil.getInstance().getProjectlist();
		}
		return list;
	}
	public ProjectInfo getProjectinfo( HttpServletRequest request )
	{
		ProjectModel promm = getResourcemodel( request );
		return promm.getInfo();
	}
	public ProjectModel getResourcemodel( HttpServletRequest request )
	{
		ProjectModel promm = null;
		ModelManager mm = ModelManagerWebUtil.getInstance().getModelManager( request );
		if( mm != null)
		{
			promm = getProjectmodel( mm );
		}
		return promm;
	}
	public ProjectModel getProjectmodel( ModelManager mm )
	{
		return WebModelUtil.getInstance().getProjectModel(mm);
	}
}