<?php

include("inc/config.php");

if(isset($_POST['add_service'])){
    $service_name = $_POST['service_name'];
    // $ser_id = $_POST['ser_id'];

    $description = $_POST['description'];
   

    $photo = $_FILES['photo']['name'];
    $service_name = mysqli_real_escape_string($conn, $service_name);
    // $ser_id = mysqli_real_escape_string($conn, $ser_id);

    $description = mysqli_real_escape_string($conn, $description);
 
    $photo = mysqli_real_escape_string($conn, $photo);

    // Construct the SQL query with sanitized input data
    $query = "INSERT INTO `services` (`service_name`, `ser_id`, `description`, `photo`) VALUES ('$service_name', '$ser_id', '$description', '$photo')";
    $query_run = mysqli_query($conn, $query);

    if($query_run){
        move_uploaded_file($_FILES["photo"]["tmp_name"], "service/".$_FILES["photo"]["name"]);
    
        $_SESSION['status'] = "Data Uploaded Successfully";
        header('Location: view-service.php');
        exit;
    } else {
        $_SESSION['status'] = "Data Not Uploaded Successfully";
        header('Location: view-service.php');
        exit;
    }
}



// update 
if(isset($_POST['update_service'])){
    $id = $_POST['id'];
    $service_name = $_POST['service_name'];
    $ser_id = $_POST['ser_id'];

    $description = $_POST['description'];
   
    $old_photo = $_POST['image_old'];

    $service_name = mysqli_real_escape_string($conn, $service_name);
    $ser_id = mysqli_real_escape_string($conn, $ser_id);
    $description = mysqli_real_escape_string($conn, $description);
    $old_photo = mysqli_real_escape_string($conn, $old_photo);

    $update_photo_filename = $_FILES["photo"]["name"] ? $_FILES["photo"]["name"] : $old_photo;
    $allowed_image_extensions = array('gif','png','jpg','jpeg','webp','WEBP');
    $photo_file_extension = pathinfo($update_photo_filename, PATHINFO_EXTENSION);

    if(!in_array($photo_file_extension, $allowed_image_extensions)){
        $_SESSION['status'] = "The image file is not allowed. Please upload an image.";
        header("Location: edit-service.php?id=$id");
        exit;
    }

    // Update the department information in the database
    $query = "UPDATE services SET service_name='$service_name', ser_id='$ser_id', description='$description',  photo='$update_photo_filename' WHERE id ='$id' ";

    $query_run = mysqli_query($conn, $query);

    if($query_run){
       
        if($_FILES["photo"]["name"] !='' && $_FILES["photo"]["name"] != $old_photo){
            move_uploaded_file($_FILES["photo"]["tmp_name"], "employee/".$_FILES["photo"]["name"]);
            unlink("service/". $old_photo);    
        }

        $_SESSION['status'] = "Updated Successfully";
        header('Location: view-service.php');
    } else {
        $_SESSION['status'] = "Not Updated Successfully";
        header('Location: view-service.php');
    }
}

// delete

if(isset($_POST['delete_service'])){
    $id = $_POST['delete_id'];
    $photo = $_POST['del_service'];
   

    $query = "DELETE FROM services WHERE id = '$id'";
    $query_run = mysqli_query($conn, $query);

    if($query_run){
        if(unlink("service/".$photo)) {
            $_SESSION['status'] = "Deleted Successfully";
            header('Location: view-service.php');
        } else {
            $_SESSION['status'] = "Error deleting files";
            header('Location: view-service.php');
        }
    } else {
        $_SESSION['status'] = "Not Deleted Successfully";
        header('Location: view-service.php');
    }
}
?>