<?php

include("inc/config.php");

if(isset($_POST['add_emp'])){
    $femp_name = $_POST['femp_name'];
    $lemp_name = $_POST['lemp_name'];
    $email = $_POST['email'];
    $phone = $_POST['phone'];
    $erh = $_POST['erh'];
    $trvl_rate = $_POST['trvl_rate'];
    $mileage = $_POST['mileage'];
    $photo = $_FILES['photo']['name'];

    // Sanitize input data (for example, you can use mysqli_real_escape_string)
    $femp_name = mysqli_real_escape_string($conn, $femp_name);
    $lemp_name = mysqli_real_escape_string($conn, $lemp_name);
    $email = mysqli_real_escape_string($conn, $email);
    $phone = mysqli_real_escape_string($conn, $phone);
    $erh = mysqli_real_escape_string($conn, $erh);
    $trvl_rate = mysqli_real_escape_string($conn, $trvl_rate);
    $mileage = mysqli_real_escape_string($conn, $mileage);

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

    // Construct the SQL query with sanitized input data
    $query = "INSERT INTO `employees` (`femp_name`, `lemp_name`, `email`, `phone`, `erh`, `trvl_rate`, `mileage`, `photo`) VALUES ('$femp_name', '$lemp_name', '$email', '$phone', '$erh', '$trvl_rate', '$mileage', '$photo')";
    $query_run = mysqli_query($conn, $query);

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



// update 
if(isset($_POST['update_emp'])){
    $id = $_POST['id'];
    $femp_name = $_POST['femp_name'];
    $lemp_name = $_POST['lemp_name'];

    $email = $_POST['email'];
    $phone = $_POST['phone'];
    $erh = $_POST['erh'];
    $trvl_rate = $_POST['trvl_rate'];
    $mileage = $_POST['mileage'];
   
    $old_photo = $_POST['image_old'];

    $femp_name = mysqli_real_escape_string($conn, $femp_name);
    $lemp_name = mysqli_real_escape_string($conn, $lemp_name);

    $email = mysqli_real_escape_string($conn, $email);
    $phone = mysqli_real_escape_string($conn, $phone);
    $erh = mysqli_real_escape_string($conn, $erh);
    $trvl_rate = mysqli_real_escape_string($conn, $trvl_rate);
    $mileage = mysqli_real_escape_string($conn, $mileage);

    $old_photo = mysqli_real_escape_string($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)){
        $_SESSION['status'] = "The image file is not allowed. Please upload an image.";
        header("Location: edit-event.php?id=$id");
        exit;
    }

    // Update the department information in the database
    $query = "UPDATE employees SET femp_name='$femp_name', lemp_name='$lemp_name', email='$email', phone='$phone', erh='$erh', trvl_rate='$trvl_rate', mileage='$mileage', 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("employee/". $old_photo);    
        }

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

// delete

if(isset($_POST['delete_emp'])){
    $id = $_POST['delete_id'];
    $photo = $_POST['del_emp'];
   

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

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