package ciai;

import java.util.Map;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import ciai.model.Course;
import ciai.model.Student;

@Controller
@RequestMapping(value = "/student")
public class StudentController {
	
	AppSingleton aa = AppSingleton.getInstance();
	Database dd = aa.getDatabase();
	

	@RequestMapping(value = "/view/{number}", method = RequestMethod.GET)
	public @ResponseBody Student getStudent(@PathVariable int number) {
		return dd.getStudent(number);
	}

	@RequestMapping(value = "/edit/{number}", method = RequestMethod.POST)
	public @ResponseBody Boolean editStudent(@PathVariable int number, @RequestParam Map<String,String> requestParams) throws Exception{
	   String email=requestParams.get("email");
	   String address=requestParams.get("address");
	   
	   if(address.length() > 0 && email.length() > 0){
		   return dd.editStudent(number,address,email);
	   }
	   return true;
	}
	
	@RequestMapping(value = "/remove/{number}", method = RequestMethod.POST)
	public @ResponseBody Boolean removeStudent(@PathVariable int number) throws Exception{
	   return dd.removeStudentFromCourse(number);
	}

	@RequestMapping(value = "/add", method = RequestMethod.POST)
	public @ResponseBody Boolean addStudent(@RequestParam Map<String,String> requestParams) throws Exception{
		String number=requestParams.get("number");
		String name=requestParams.get("name");
		String email=requestParams.get("email");
		String course=requestParams.get("course");
		Course courseObj = dd.getCourse(course);
		int n;
		try {
			n = Integer.parseInt(number);
		} catch (Exception e) {
			return false;
		}
	   	return dd.addStudent(n,name,email,courseObj);
	}
	
}