<?php

session_start();

if(!isset($_SERVER['HTTP_REFERER'])){
    // redirect them to your desired location
    header('location:../admin/index.php');
    exit;
}

include_once 'dbconfig.php';

if(isset($_GET['edit_id']))
{
 $sql_query="SELECT * FROM youtube_videos WHERE id=".$_GET['edit_id'];
 $result_set=mysqli_query($con,$sql_query);
 $fetched_row=mysqli_fetch_array($result_set,MYSQLI_ASSOC);
}
if(isset($_POST['btn-update']))
{
 // variables for input data
     
   $title = $_POST['title'];
          
  if($_FILES["image"]["name"]==''){
 $image =  $fetched_row['image'];
}else{
	$old_image =  $fetched_row['image'];
	unlink("uploads/youtube_videos/".$old_image);
  $image =  $_FILES["image"]["name"];
  $file_name = $_FILES["image"]["name"];
$file_tmp = $_FILES["image"]["tmp_name"];
  if($file_name!=''){
        move_uploaded_file($file_tmp,"uploads/youtube_videos/".$file_name);
       
  }
}
         
   $course_id = $_POST['course_id'];
   $link = $_POST['link'];
        // variables for input data

 // sql query for update data into database
  $sql_query="UPDATE youtube_videos SET `title`='$title',`image`='$image',`course_id`='$course_id',`link`='$link' WHERE id=".$_GET['edit_id'];

 // sql query for update data into database
 
 // sql query execution function
 if(mysqli_query($con,$sql_query))
 {
  ?>
  <script type="text/javascript">
  alert('youtube_videos updated successfully');
  window.location.href='youtube_videos.php';
  </script>
  <?php
 }
 else
 {
  ?>
  <script type="text/javascript">
  alert('error occured while updating data');
  </script>
  <?php
 }
 // sql query execution function
}
if(isset($_POST['btn-cancel']))
{
 header("Location: youtube_videos.php");
}
?>
<?php include('header.php'); ?>
        <!-- ============================================================== -->
        <!-- End Left Sidebar - style you can find in sidebar.scss  -->
        <!-- ============================================================== -->
        <!-- ============================================================== -->
        <!-- Page wrapper  -->
        <!-- ============================================================== -->
        <div class="page-wrapper">
            <!-- ============================================================== -->
            <!-- Bread crumb and right sidebar toggle -->
            <!-- ============================================================== -->
            <div class="page-breadcrumb">
                <div class="row">
                    <div class="col-12 d-flex no-block align-items-center">
                        <h4 class="page-title">Our Youtube videos</h4>
                        <div class="ml-auto text-right">
                            <nav aria-label="breadcrumb">
                                <ol class="breadcrumb">
                                    <li class="breadcrumb-item"><a href="#">Youtube videos</a></li>
                                    <li class="breadcrumb-item active" aria-current="page">Edit</li>
                                </ol>
                            </nav>
                        </div>
                    </div>
                </div>
            </div>
            <!-- ============================================================== -->
            <!-- End Bread crumb and right sidebar toggle -->
            <!-- ============================================================== -->
            <!-- ============================================================== -->
            <!-- Container fluid  -->
            <!-- ============================================================== -->
            <div class="container-fluid">
                <!-- ============================================================== -->
                <!-- Start Page Content -->
                <!-- ============================================================== -->
                <div class="row">
                    <div class="col-md-8">
                        <div class="card">
                            <form class="form-horizontal" method="post" enctype="multipart/form-data">
                                <div class="card-body">
                                    <h4 class="card-title">Edit Youtube Video</h4>
                                    <div class="form-group row">
                                        <label for="fname" class="col-sm-3 text-right control-label col-form-label">Title</label>
                                        <div class="col-sm-9">
                                            <input type="text" value="<?php echo $fetched_row['title'] ?>" class="form-control" id="title" name="title">
                                        </div>
                                    </div>
                                    
									<div class="form-group row">
                                    <label class="col-sm-3 text-right control-label col-form-label">Youtube Video Image</label>
                                    <div class="col-md-9">
                                        <div class="custom-file">
                                            <input type="file" class="custom-file-input" class="form-control" id="image" name="image">
                                            <label class="custom-file-label"><?php echo $fetched_row['image'] ?></label>
                                            
                                        </div>
                                    </div>
                                </div>
                                    <div class="form-group row">
                                        <label for="fname" class="col-sm-3 text-right control-label col-form-label">Course</label>
										<?php
$sql_query2="SELECT * FROM courses WHERE id=".$fetched_row['course_id'];
$result_set2=mysqli_query($con,$sql_query2);
$fetched_row2=mysqli_fetch_array($result_set2,MYSQLI_ASSOC);
 ?>
 
                                        <div class="col-sm-6">
                                            <select id="course_id" name="course_id" class="form-control" >
                      <option value="<?php echo $fetched_row['course_id'] ?>"><?php echo $fetched_row2['title'] ?></option>
											 <?php
 $sql_query="SELECT * FROM courses";
 $result_set=mysqli_query($con,$sql_query);
 $i=1;
 while($row=mysqli_fetch_row($result_set))
 {
  ?>
											<option value="<?php echo $row[0]; ?>"><?php echo $row[1]; ?></option>
											 <?php
       $i++;  
 }
 ?>
                      
                    </select>
                                        </div>
                                    </div>
									
									 <div class="form-group row">
                                        <label for="fname" class="col-sm-3 text-right control-label col-form-label">Link ID</label>
                                        <div class="col-sm-9">
                                            <input type="text" value="<?php echo $fetched_row['link'] ?>" class="form-control" id="link" name="link">
                                        </div>
                                    </div>
                                    
                                </div>
                                <div class="border-top">
                                    <div class="card-body" style="float:right;">
                                        <button type="submit" name="btn-update" class="btn btn-primary">Submit</button>
										<button type="submit" name="btn-cancel" class="btn btn-danger">Cancel</button>
                                    </div>
                                </div>
                            </form>
                        </div>
                        
                        
                </div>
                
                <!-- ============================================================== -->
                <!-- End PAge Content -->
                <!-- ============================================================== -->
                <!-- ============================================================== -->
                <!-- Right sidebar -->
                <!-- ============================================================== -->
                <!-- .right-sidebar -->
                <!-- ============================================================== -->
                <!-- End Right sidebar -->
                <!-- ============================================================== -->
            </div>
            <!-- ============================================================== -->
            <!-- End Container fluid  -->
            <!-- ============================================================== -->
            <!-- ============================================================== -->
            <!-- footer -->
            <!-- ============================================================== -->
			
			<script src="//cdn.ckeditor.com/4.8.0/full/ckeditor.js"></script>

<script>
  CKEDITOR.replace('description', {
            height: '25em',
        });
		</script>
            <?php include('footer.php'); ?>