package tutorial;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class for Servlet: ScheduleServlet
 *
 */
 public class ScheduleServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public ScheduleServlet() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}  	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// Read in the information submitted by the form
		String title = request.getParameter("title");
		int starttime = Integer.parseInt(request.getParameter("starttime"));
		int endtime = Integer.parseInt(request.getParameter("endtime"));
		String[] days = request.getParameterValues("day");	
		
		// Obtain the existing SchoolSchedule, if there is one, or to create a new one if one hasn't been created yet
		SchoolSchedule schedule =
			(SchoolSchedule)request.getSession(true).getAttribute("schoolschedule");
		if(schedule == null)
		{
			schedule = new SchoolSchedule();
		}
		
		// Create new SchoolClass objects
		if (days != null) {
			for (int i = 0; i < days.length; i++) {
				String dayString = days[i];
				int day;
				if (dayString.equalsIgnoreCase("SUN"))
					day = 0;
				else if (dayString.equalsIgnoreCase("MON"))
					day = 1;
				else if (dayString.equalsIgnoreCase("TUE"))
					day = 2;
				else if (dayString.equalsIgnoreCase("WED"))
					day = 3;
				else if (dayString.equalsIgnoreCase("THU"))
					day = 4;
				else if (dayString.equalsIgnoreCase("FRI"))
					day = 5;
				else
					day = 6;

				SchoolClass clazz = new SchoolClass(title, starttime, endtime, day);
				schedule.addClass(clazz);
			}
		}
		// Set the schedule in the session so Schedule.jsp will have access to it
		request.getSession().setAttribute("schoolschedule", schedule);
		getServletContext().getRequestDispatcher("/Schedule.jsp").forward(request, response);

	}   	  	    
}