<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Semester extends CI_Controller {
	
	public function __construct()
	{
		parent::__construct();
		$this->load->model('Semester_model'); 
		$this->load->model('Commonsql_model'); 
	
	}

	/**
	 * Index Page for this controller.
	 *
	 * Maps to the following URL
	 * 		http://example.com/index.php/welcome
	 *	- or -
	 * 		http://example.com/index.php/welcome/index
	 *	- or -
	 * Since this controller is set as the default controller in
	 * config/routes.php, it's displayed at http://example.com/
	 *
	 * So any other public methods not prefixed with an underscore will
	 * map to /index.php/welcome/<method_name>
	 * @see https://codeigniter.com/user_guide/general/urls.html
	 */
	public function semester_list()
	{
		if($this->session->userdata('id')==""){redirect('');}
		
		$data['semester']=$this->Semester_model->list_semester();
		$this->load->view('semester/semester_list',$data);
	}
	
	public function viewSemester($id)
	{
		if($this->session->userdata('id')==""){redirect('');}
		
		$data['viewSemester']=$this->Semester_model->viewSemester($id);
		//echo $this->db->last_query();exit;
		$this->load->view('semester/view_semester',$data);
	}
	
	function add_semester()
	{
		if($this->session->userdata('id')==""){redirect('');}
		$currentUser=$this->session->userdata('id');
		
		$data['subject']=$this->Semester_model->listSubject();
		$data['department']=$this->Semester_model->listDepartment();
		$data['degree']=$this->Semester_model->listDegree();
		
		//$this->load->view('semester/add_semester');
		
		if($this->input->post('submit'))
		{
			$name=$this->input->post('name');
			$year=$this->input->post('year');
			
			
			//echo $subjectIdd;exit;
			//echo $degreeId;
			$table="semester";
			$values=array(	'name'=>$name,
							'year'=>$year,
							'createdOn'=>date('Y-m-d'),
							'createdBy'=>$currentUser,
							'status'=>1);
			$result=$this->Commonsql_model->insert_table($table,$values);
			$semesterId=$this->db->insert_id();
			//echo $this->db->last_query();exit;
			
			$subjectId=$this->input->post('subjectId');
			$degreeId=$this->input->post('degreeId');
			
			foreach($subjectId as $key=>$value)
			{
				$SUBJECTID=$subjectId[$key];
				$DEGREEID=$degreeId[$key];
				$SUBID = implode(",", (array)$SUBJECTID);
				
				//echo $SUBID;
				$tablename='semesterdetail';
				$data=array('semesterId'=>$semesterId,
							'degreeId'=>$DEGREEID,
							'subjectId'=>$SUBID,
							'status'=>1);
					
				$result=$this->Commonsql_model->insert_table($tablename,$data);
			}
			//exit;
			if($result)
			{
				$this->session->set_userdata('suc','successfully added');
				redirect('semester');
				
			}
			else
			{
				$this->session->set_userdata('err','Please try again');
				redirect('semester');
			}
			
		} 
		$this->load->view('semester/add_semester',$data);
	}
	
	
	function editSemester($id)
	{
		if($this->session->userdata('id')==""){redirect('');}
		$currentUser=$this->session->userdata('id');
		
		$data['subject']=$this->Semester_model->listSubject();
		$data['degree']=$this->Semester_model->listDegree();
		$data['getData']=$this->Semester_model->getSemester($id);
		
		$data['getSemesterDetail']=$this->Semester_model->getSemesterDetail($id);
		//echo $this->db->last_query();exit;
		if($this->input->post('submit'))
		{
			$name=$this->input->post('name');
			$year=$this->input->post('year');
			
			
			$table="semester";
			$where=array("id"=>$id);
			$values=array(	'name'=>$name,
							'year'=>$year,
							'updatedOn'=>date('Y-m-d'),
							'updatedby'=>$currentUser);
						 
			$result=$this->Commonsql_model->updateTable($table,$where,$values);
			//echo $this->db->last_query();exit;
			
			//Update Old One
			$degreeId=$this->input->post('degreeId');
			$subjectId=$this->input->post('subjectId');
			$semesterDetailId=$this->input->post('semesterDetailName');
			
			foreach($subjectId as $key=>$value)
			{
				$DEGREEID=$degreeId[$key];
				$SEMESTERDETAILID=$semesterDetailId[$key];
				$SUBJECTID=$subjectId[$key];
				$SUBID = implode(",", (array)$SUBJECTID);
				
				//echo $SUBID;
				
				$tablename='semesterdetail';
				$data=array('degreeId'=>$DEGREEID,
							'subjectId'=>$SUBID);
				$where=array('id'=>$SEMESTERDETAILID);	
				$result=$this->Commonsql_model->updateTable($tablename,$where,$data);
				
				//Remove Existing One  
				$existingRow=$this->Semester_model->getSemesterDetail($id);
				
				//echo $this->db->last_query();exit;

				if($existingRow->num_rows()>0)
				{
					//echo "test";exit;
					$primaryId=array();
					foreach($existingRow->result() as $list)
					{
						$primaryId[]=$list->id ;
					}
				}
				//Remove Row
				$diff=array_diff($primaryId,$semesterDetailId);
				//print_r ($diff);exit;
				if($diff>0)
				{
					//echo "sdsds";exit;
					foreach($diff as $value)
					{
						$where=array('id'=>$value); 
						$tablename="semesterdetail"; 
						$values=array('status'=>0);
						if($SEMESTERDETAILID!=""){
						$result=$this->Commonsql_model->updateTable($tablename,$where,$values);}
						//echo $this->db->last_query();
					}
				}
				//New Row Insertion
				if($SEMESTERDETAILID=="")
				{
					$tablename='semesterdetail';
					$data=array('semesterId'=>$id,
						'degreeId'=>$DEGREEID,
						'subjectId'=>$SUBID,
						'status'=>1);
					$result=$this->Commonsql_model->insert_table($tablename,$data);
				}
			}
			
			
			
			if($result)
			{
				$this->session->set_userdata('suc','successfully Updated');
				redirect('semester');
				
			}
			else
			{
				$this->session->set_userdata('err','Please try again');
				redirect('semester');
			}
			
		}
		
		$this->load->view('semester/edit_semester',$data);
	}
	
	function deleteSemester()
	{
		if($this->session->userdata('id')==""){redirect('');}
		$currentUser=$this->session->userdata('id');
		
		if($this->input->post('submit'))
		{
			$semesterId=$this->input->post('semesterId');
			
			$table="semester";
			$where=array("id"=>$semesterId);
			$values=array('status'=>0,'updatedOn'=>date('Y-m-d'),'updatedBy'=>$currentUser);
			$result=$this->Commonsql_model->updateTable($table,$where,$values);
			
			$table="semesterdetail";
			$where=array("semesterId"=>$semesterId);
			$values=array('status'=>0);
			
			$result=$this->Commonsql_model->updateTable($table,$where,$values);
			//echo $this->db->last_query();exit;
			if($result)
			{
				$this->session->set_userdata('suc','successfully deleted');
				redirect('semester');
				
			}
			else
			{
				$this->session->set_userdata('err','Please try again');
				redirect('semester');
			}
		}	
	}
	
	
	
}