subscription-functions.php--

<?php

if(!function_exists('my_plugin_create_table')) {
	function my_plugin_create_table() {
		//IF DATABASE NOT EXISTS - PENDING
		global $wpdb;
		$charset_collate = $wpdb->get_charset_collate();
		$table_name = $wpdb->prefix . 'vmt_subscription';
		$sql = "CREATE TABLE $table_name (
			id mediumint(9) NOT NULL AUTO_INCREMENT,		
			email_id text(255) NOT NULL,
			status text(20) NOT NULL,
			time datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
			UNIQUE KEY id (id)
		) $charset_collate;";
		require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
		dbDelta( $sql );
	}
}

if(!function_exists('my_plugin_add_prev_data')) { //Add old table data
	function my_plugin_add_prev_data() {
		global $wpdb;
		$old_table_name = $wpdb->prefix . 'ig_contacts';
		$old_table_status = $wpdb->prefix . 'ig_lists_contacts';
		$new_table_name = $wpdb->prefix . 'vmt_subscription';

		$old_table_results = $wpdb->get_results( "SELECT * FROM $old_table_name");
		if(!empty($old_table_results)) { 
			foreach($old_table_results as $old_row_data) {
				$wpdb->query("INSERT INTO $new_table_name(`id`, `email_id`, `time`) 
				VALUES ('$old_row_data->id', '$old_row_data->email','$old_row_data->created_at')");
			}
		}
		$old_table_status_results = $wpdb->get_results( "SELECT * FROM $old_table_status");
		if(!empty($old_table_status_results)) { 
			foreach($old_table_status_results as $old_status_data) {
				$wpdb->query("UPDATE $new_table_name SET `status`='$old_status_data->status' WHERE id=$old_status_data->contact_id");
			}
		}
	}
}

if(!function_exists('plugin_subscription_page')) { //Add old table data
	function plugin_subscription_page() {
		wp_insert_post(array('post_type'	=> 'page',
							'post_title'	=> 'Subscription',
							'post_content'	=> '',
							'post_status'	=> 'publish',
							'post_author'	=> 1,
							'page_template'	=> 'subscribe-us/subscription-temp.php',
							'post_name'		=> 'subscription' ));
	}
}






// Ajax Search Function
add_action('wp_ajax_vmt_delete' , 'vmt_delete');
add_action('wp_ajax_nopriv_vmt_delete','vmt_delete');
function vmt_delete(){
	$id = $_GET['vmt_id'];
	if(empty($id)){
		$id = $_POST['vmt_id'];
	}
	?><script>
		jQuery(document).ready(function($) {
			alert('working');
		});
	</script><?php
	//delete_subscriber($_POST['id']);
}


function delete_subscriber($id){
	$wpdb->query("DELETE FROM $table_name WHERE id='$id'");
}





// if ( current_user_can('edit_files') ) {
	add_action('admin_menu', 'subscribe_menu');
// }
function subscribe_menu(){
	add_menu_page( "Theme Menu", "Subscribe Us", 'manage_options', 'subscribe_menu', 'subscribe_us_callback','', 6);
}
function subscribe_us_callback(){
	echo '<div class="wrap">';
		echo '<h1>Audience</h1>';
			global $wpdb;
			$table_name = $wpdb->prefix . 'vmt_subscription';

            $results = $wpdb->get_results( "SELECT * FROM $table_name"); // Query to fetch data from database table and storing in $results
            if(!empty($results)) {   
                echo '<table class="widefat striped fixed" cellspacing="0">';
					echo '<thead>
						<tr>
							<th id="index" class="manage-column column-index column-posts" scope="col">ID</th>
							<th id="email" class="manage-column column-email" scope="col">Email</th>
							<th id="status" class="manage-column column-status" scope="col">Status</th>
							<th id="date" class="manage-column column-date" scope="col">Date</th>
						</tr>
					</thead>';
                    echo '<tbody>'; 
                        foreach($results as $row){
							$id = $row->id;
							$email = $row->email_id;
							$status = $row->status;
							$time = $row->time;
                            echo '<tr id="'.$id.'" class="column-posts" valign="top">
								<th scope="row">'.$id.'</th>
								<td style="text-align: left;">'.$email.'
									<div class="row-actions">
										<span><a href="#edit" class="subscriber-edit" data-id="'.$id.'">Edit</a> |</span>
										<span class="delete"><a href="#delete" class="subscriber-delete" data-id="'.$id.'">Delete</a></span>
									</div>
								</td>
								<td style="text-align: left;">'.$status.'
									<div class="row-actions">
										<span><a href="#change" class="subscriber-change" data-id="'.$id.'">Change</a></span>
									</div>
								</td>
								<td style="text-align: left;">'.$time.'</td>
							</tr>';
                        }
                    echo '</tbody>';
					echo '<tfoot>
						<tr>
							<th class="manage-column column-index column-posts" scope="col">ID</th>
							<th class="manage-column column-email" scope="col">Email</th>
							<th class="manage-column column-status" scope="col">Status</th>
							<th class="manage-column column-date" scope="col">Date</th>
						</tr>
					</tfoot>';
                echo '</table>';
				submit_button();
				?><script>
					jQuery(document).ready(function($) {
						$(".subscriber-delete").click(function(){
							var vmt_id = jQuery(this).data('id');
							jQuery.ajax({
								url: '<?php echo admin_url('admin-ajax.php'); ?>',
								data: { action: 'vmt_delete', vmt_id: 'testing' },
								beforeSend: function(){

								},
								success: function(data) {
									//jQuery('#'+id).remove();
								}
							});
						});
					});
				</script><?php
            }else{
				echo 'No Data Found';
			}
	echo '</div>';
}



/*--------------------------Sub-Menu----------------------*/
add_action('admin_menu', 'subscribe_form');
function subscribe_form(){
	add_submenu_page('subscribe_menu', 'Form', 'Form', 'manage_options', 'subscribe_menu/form', 'subscribe_form_callback');
}
function subscribe_form_callback(){ ?>
	<div class="wrap">
		<h1>Custom Form</h1>
		<form method="post" action="options.php" novalidate="novalidate">
			<?php settings_fields('subscribe_menu/form'); ?>
			<table class="form-table" role="presentation">
				<?php do_settings_sections( 'subscribe_menu/form', 'default' );
				do_settings_fields('subscribe_menu/form', 'default') ?>
			</table>
			<?php submit_button();?>
		</form>
	</div><?php
}
/*--------------------------Sub-Menu-2----------------------*/
add_action('admin_menu', 'subscribe_mail');
function subscribe_mail(){
	add_submenu_page('subscribe_menu', 'Mails', 'Mails', 'manage_options', 'subscribe_menu/mail', 'subscribe_mail_callback');
}
function subscribe_mail_callback(){ ?>
	<div class="wrap">
		<h1>Mail Settings</h1>
		<form method="post" action="options.php" novalidate="novalidate">
			<?php settings_fields('subscribe_menu/mail'); ?>
			<table class="form-table" role="presentation">
				<?php do_settings_sections( 'subscribe_menu/mail', 'default' );
				do_settings_fields('subscribe_menu/mail', 'default') ?>
			</table>
			<?php submit_button();?>
		</form>
	</div><?php
}
/*--------------------------Sub-Menu-3----------------------*/
add_action('admin_menu', 'subscribe_message');
function subscribe_message(){
	add_submenu_page('subscribe_menu', 'Messages', 'Messages', 'manage_options', 'subscribe_menu/message', 'subscribe_message_callback');
}
function subscribe_message_callback(){ ?>
	<div class="wrap">
		<h1>Subscribe Messages</h1>
		<form method="post" action="options.php" novalidate="novalidate">
			<?php settings_fields('subscribe_menu/message'); ?>
			<table class="form-table" role="presentation">
				<?php do_settings_sections( 'subscribe_menu/message', 'default' );
				do_settings_fields('subscribe_menu/message', 'default') ?>
			</table>
			<?php submit_button();?>
		</form>
	</div><?php
}



/*----------------------------------------------------------------------------------Custom Section and Field--------------------------------------------------------*/
function form_sections() {
	add_settings_section( 'form_content', 'Form', 'form_section_callback', 'subscribe_menu/form' );
}
add_action('admin_init', 'form_sections');
function form_section_callback() {
	echo '<p>Add Subscription Form</p>';  
}


function form_content_fields() {
	add_settings_field('form_class', 'Form Class', 'form_class_callback', 'subscribe_menu/form','form_content','vmt_subscribe_form_class');
	add_settings_field('form_content', 'Form', 'form_content_callback', 'subscribe_menu/form','form_content','vmt_subscribe_form');

	register_setting('subscribe_menu/form','vmt_subscribe_form', 'esc_attr');
	register_setting('subscribe_menu/form','vmt_subscribe_form_class', 'esc_attr');
}
add_action('admin_init', 'form_content_fields');
function form_content_callback($form) {
	echo '<textarea rows="20" cols="100" id="'.$form.'" name="'.$form.'" placeholder="Add Your Fields Here">'.get_option($form).'</textarea>';
}
function form_class_callback($class) {
	echo '<input class="regular-text ltr" id="'.$class.'" name="'.$class.'" placeholder="Add Form Class Here" value="'.get_option($class).'" />';
}



function mail_sections() {
	add_settings_section( 'non_confirm_mail_contents', 'Before Confirmation Messages', '', 'subscribe_menu/mail' );
	add_settings_section( 'confirm_mail_contents', 'After Confirmation Messages', '', 'subscribe_menu/mail' );
	add_settings_section( 'mail_settings', 'Settings', '', 'subscribe_menu/mail' );
}
add_action('admin_init', 'mail_sections');

function mail_content_fields() {
	add_settings_field('mail_header_from_name', 'From Name', 'mail_form_callback', 'subscribe_menu/mail', 'non_confirm_mail_contents','vmt_mail_from_name');
	add_settings_field('mail_header_from_mail', 'From Mail', 'mail_form_callback', 'subscribe_menu/mail', 'non_confirm_mail_contents','vmt_mail_from_mail');
	add_settings_field('mail_subject', 'Subject', 'mail_form_callback', 'subscribe_menu/mail', 'non_confirm_mail_contents','vmt_mail_subject');
	add_settings_field('mail_message', 'Message body', 'mail_message_callback', 'subscribe_menu/mail', 'non_confirm_mail_contents','vmt_mail_message');
	add_settings_field('mail_header_reply_to_name', 'Reply To Name', 'mail_form_callback', 'subscribe_menu/mail', 'non_confirm_mail_contents','vmt_mail_reply_to_name');
	add_settings_field('mail_header_reply_to_mail', 'Reply To Mail', 'mail_form_callback', 'subscribe_menu/mail', 'non_confirm_mail_contents','vmt_mail_reply_to_mail');
	add_settings_field('mail_confirm_from_name', 'From Name', 'mail_form_callback', 'subscribe_menu/mail', 'confirm_mail_contents','vmt_conf_from_name');
	add_settings_field('mail_confirm_from_mail', 'From Mail', 'mail_form_callback', 'subscribe_menu/mail', 'confirm_mail_contents','vmt_conf_from_mail');
	add_settings_field('mail_confirm_subject', 'Subject', 'mail_form_callback', 'subscribe_menu/mail', 'confirm_mail_contents','vmt_conf_subject');
	add_settings_field('mail_confirm_message', 'Message body', 'mail_message_callback', 'subscribe_menu/mail', 'confirm_mail_contents','vmt_conf_message');
	add_settings_field('mail_confirm_reply_to_name', 'Reply To Name', 'mail_form_callback', 'subscribe_menu/mail', 'confirm_mail_contents','vmt_conf_reply_to_name');
	add_settings_field('mail_confirm_reply_to_mail', 'Reply To Mail', 'mail_form_callback', 'subscribe_menu/mail', 'confirm_mail_contents','vmt_conf_reply_to_mail');

	register_setting('subscribe_menu/mail','vmt_mail_subject', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_mail_message', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_mail_from_name', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_mail_from_mail', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_mail_reply_to_name', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_mail_reply_to_mail', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_conf_from_name', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_conf_from_mail', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_conf_subject', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_conf_message', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_conf_reply_to_name', 'esc_attr');
	register_setting('subscribe_menu/mail','vmt_conf_reply_to_mail', 'esc_attr');
}
add_action('admin_init', 'mail_content_fields');

function mail_form_callback($msg) {
	echo '<input class="regular-text ltr" size="100" id="'.$msg.'" name="'.$msg.'" placeholder="Add '.ucfirst(substr($msg,9)).'" value="'.get_option($msg).'" />';
}
function mail_message_callback($msg) {
	echo '<textarea rows="15" cols="50" id="'.$msg.'" name="'.$msg.'" placeholder="Add '.ucfirst(substr($msg,9)).'">'.get_option($msg).'</textarea>';
}

function mail_setting_fields() {
	add_settings_field('mail_confirmation_setting', 'Sent Confirmation', 'mail_setting_callback', 'subscribe_menu/mail', 'mail_settings','vmt_sent_confirmation');
	
	register_setting('subscribe_menu/mail','vmt_sent_confirmation', 'esc_attr');
}
add_action('admin_init', 'mail_setting_fields');
function mail_setting_callback($conf) {
	$mail_confirm = get_option($conf);
	if(empty($mail_confirm)){
		$mail_confirm = 'Yes';
	}
	?><fieldset>
		<label>Yes</label>
		<input type="radio" value="Yes" name="<?php echo $conf; ?>" <?php checked( $mail_confirm, 'Yes' ); checked( $mail_confirm, '' ); ?> style="margin-right: 30px;">
		<label>No</label>
		<input type="radio" value="No" name="<?php echo $conf; ?>" <?php checked( $mail_confirm, 'No' ); ?> style="margin-right: 30px;">
	</fieldset><?php
}



function message_sections() {
	add_settings_section( 'message_contents', 'Messages', '', 'subscribe_menu/message' );
    // add_settings_section( 'message_settings', 'Messages Settings', '', 'subscribe_menu/message' );
	add_settings_section( 'spinner_settings', 'Spinner Settings', '', 'subscribe_menu/message' );
}
add_action('admin_init', 'message_sections');

function message_content_fields() {
	add_settings_field('messages_successful', 'Successful Message', 'messages_content_callback', 'subscribe_menu/message','message_contents',array('vmt_subscribe_successful','vmt_subscribe_successful_class'));
	add_settings_field('messages_confirmation', 'Confirmation Message', 'messages_content_callback', 'subscribe_menu/message','message_contents',array('vmt_subscribe_confirmation','vmt_subscribe_confirmation_class'));
	add_settings_field('messages_exist', 'Exist Message', 'messages_content_callback', 'subscribe_menu/message','message_contents',array('vmt_subscribe_exist','vmt_subscribe_exist_class'));
	add_settings_field('messages_unsubscribe', 'Unsubscribe Message', 'messages_content_callback', 'subscribe_menu/message','message_contents',array('vmt_subscribe_unsubscribe','vmt_subscribe_unsubscribe_class'));
	add_settings_field('messages_resubscribe', 'Resubscribe Message', 'messages_content_callback', 'subscribe_menu/message','message_contents',array('vmt_subscribe_resubscribe','vmt_subscribe_resubscribe_class'));
	add_settings_field('messages_error', 'Error Message', 'messages_content_callback', 'subscribe_menu/message','message_contents',array('vmt_subscribe_error','vmt_subscribe_error_class'));

	register_setting('subscribe_menu/message','vmt_subscribe_successful', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_confirmation', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_exist', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_unsubscribe', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_resubscribe', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_error', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_successful_class', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_confirmation_class', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_exist_class', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_unsubscribe_class', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_resubscribe_class', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_subscribe_error_class', 'esc_attr');
}
add_action('admin_init', 'message_content_fields');

function messages_content_callback($msg) {
	echo '<div style="display: flex; gap: 10px;">';
		echo '<div>';
			echo '<textarea rows="5" cols="100" id="'.$msg[0].'" name="'.$msg[0].'" placeholder="'.ucfirst(substr($msg[0],14)).' Message">'.get_option($msg[0]).'</textarea>';
		echo '</div>';
		echo '<div>';
			echo '<p class="description">Add '.ucfirst(substr($msg[0],14)).' Message Span Class Here</p>';
			echo '<input class="regular-text ltr" id="'.$msg[1].'" name="'.$msg[1].'" placeholder="Add '.ucfirst(substr($msg[0],14)).' Message Span Class Here" value="'.get_option($msg[1]).'" />';
		echo '</div>';
	echo '</div>';
}



function message_setting_fields() {
	add_settings_field('spinner_svg', 'Spinner SVG', 'spinner_callback', 'subscribe_menu/message','spinner_settings','vmt_spinner_svg');
	add_settings_field('spinner_gap', 'Spinner Gap', 'spinner_gap_callback', 'subscribe_menu/message','spinner_settings','vmt_spinner_gap');
	add_settings_field('spinner_position', 'Spinner Position', 'spinner_position_callback', 'subscribe_menu/message','spinner_settings','vmt_spinner_position');
	add_settings_field('spinner_align', 'Spinner Alignment', 'spinner_align_callback', 'subscribe_menu/message','spinner_settings','vmt_spinner_align');

	register_setting('subscribe_menu/message','vmt_spinner_svg', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_spinner_gap', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_spinner_position', 'esc_attr');
	register_setting('subscribe_menu/message','vmt_spinner_align', 'esc_attr');
}
add_action('admin_init', 'message_setting_fields');

function spinner_callback($svg) {
	$spinner_svg = get_option($svg);
	if(empty($spinner_svg)){
		$spinner_svg = '<svg xmlns="http://www.w3.org/2000/svg" width="25px" height="25px" viewBox="0 0 100 100"><circle cx="50" cy="50" fill="none" stroke="#ffffff" stroke-width="10" r="40" stroke-dasharray="150 50"><animateTransform attributeName="transform" type="rotate" repeatCount="indefinite" dur="1" values="0 50 50;360 50 50" keyTimes="0;1"></animateTransform></circle></svg>';
	}
	?><input type="text" size="100" placeholder="Add Only SVG Code" value='<?php echo $spinner_svg; ?>' name="<?php echo $svg; ?>">
	<?php echo htmlspecialchars_decode($spinner_svg);
}
function spinner_gap_callback($gap) {
	?><input type="text" placeholder="Add Gap With Suffix" value='<?php echo get_option($gap); ?>' name="<?php echo $gap; ?>"><?php
}
function spinner_position_callback($pos) {
	$position = get_option($pos);
	?><fieldset>
		<label>Top</label>
		<input type="radio" value="Top" name="<?php echo $pos; ?>" <?php checked( $position, 'Top' ); ?> style="margin-right: 30px;">
		<label>Left</label>
		<input type="radio" value="Left" name="<?php echo $pos; ?>" <?php checked( $position, 'Left' ); ?> style="margin-right: 30px;">
		<label>Bottom</label>
		<input type="radio" value="Bottom" name="<?php echo $pos; ?>" <?php checked( $position, 'Bottom' ); ?> style="margin-right: 30px;">
		<label>Right</label>
		<input type="radio" value="Right" name="<?php echo $pos; ?>" <?php checked( $position, 'Right' ); ?> style="margin-right: 30px;">
		<label>Middle</label>
		<input type="radio" value="Middle" name="<?php echo $pos; ?>" <?php checked( $position, 'Middle' ); checked( $position, '' ); ?>>
		<span class="description">(Replaces Button Text with Spinner)</span>
	</fieldset><?php
}
function spinner_align_callback($align) {
	$spinner_align = get_option($align);
	if(empty($spinner_align)){
		$spinner_align = 'Start';
	}
	?><fieldset>
		<label>Start</label>
		<input type="radio" value="Start" name="<?php echo $align; ?>" <?php checked( $spinner_align, 'Start' ); checked( $spinner_align, '' ); ?> style="margin-right: 30px;">
		<label>Center</label>
		<input type="radio" value="Center" name="<?php echo $align; ?>" <?php checked( $spinner_align, 'Center' ); ?> style="margin-right: 30px;">
		<label>End</label>
		<input type="radio" value="End" name="<?php echo $align; ?>" <?php checked( $spinner_align, 'End' ); ?>>
	</fieldset><?php
}




function custom_mail($to) {
	$cipher = 'AES-128-CBC';
	$key = 'vmt_viacon_subscription';
	$encrypted_mail   = strrev(base64_encode(openssl_encrypt($to, $cipher, $key, 0, substr(hash('sha256', $key), 0, openssl_cipher_iv_length($cipher)))));   
	$unsubscribe_link = site_url('/subscription?status=unsubscribed&subscriber='.$encrypted_mail);

	$subject = get_option('vmt_mail_subject');
	$message = get_option('vmt_mail_message').'<br><div><p>__<br><a href="'.$unsubscribe_link.'">Click Here To Unsubscribe</a></p></div><br>';
	$from_name = get_option('vmt_mail_from_name');
	$from_mail = get_option('vmt_mail_from_mail');
	$reply_name = get_option('vmt_mail_reply_to_name');
	$reply_mail = get_option('vmt_mail_reply_to_mail');

	$headers = 'From: '.$from_name.' <'.$from_mail.'>'."\r\n" .
				'Reply-To: '.$reply_name.' <' . $reply_mail.'>'."\r\n";

	$sent = wp_mail($to, $subject, strip_tags($message), $headers);
	return $sent;
}
function custom_confirmation_mail($to) {
	$cipher = 'AES-128-CBC';
	$key = 'vmt_viacon_subscription';
	$encrypted_mail   = strrev(base64_encode(openssl_encrypt($to, $cipher, $key, 0, substr(hash('sha256', $key), 0, openssl_cipher_iv_length($cipher)))));   
	$confirmation_link = site_url('/subscription?subscriber='.$encrypted_mail);
	$unsubscribe_link = site_url('/subscription?status=unsubscribed&subscriber='.$encrypted_mail);

	$subject = get_option('vmt_conf_subject');
	$message = get_option('vmt_conf_message').'<br><a href="'.$confirmation_link.'">Click Here To Confirm</a><br><div><p>__<br><a href="'.$unsubscribe_link.'">Click Here To Unsubscribe</a></p></div><br>';
	$from_name = get_option('vmt_conf_from_name');
	$from_mail = get_option('vmt_conf_from_mail');
	$reply_name = get_option('vmt_conf_reply_to_name');
	$reply_mail = get_option('vmt_conf_reply_to_mail');

	$headers = 'From: '.$from_name.' <'.$from_mail.'>'."\r\n" .
				'Reply-To: '.$reply_name.' <' . $reply_mail.'>'."\r\n";

	$sent = wp_mail($to, $subject, strip_tags($message), $headers);
	return $sent;
}




function subscribe(){
	$spinner_svg = get_option('vmt_spinner_svg');
	if(empty($spinner_svg)){
		$spinner_svg = '<svg xmlns="http://www.w3.org/2000/svg" width="25px" height="25px" viewBox="0 0 100 100"><circle cx="50" cy="50" fill="none" stroke="#ffffff" stroke-width="10" r="40" stroke-dasharray="150 50"><animateTransform attributeName="transform" type="rotate" repeatCount="indefinite" dur="1" values="0 50 50;360 50 50" keyTimes="0;1"></animateTransform></circle></svg>';
	}
	$spinner_gap = get_option('vmt_spinner_gap');
	$spinner_position = get_option('vmt_spinner_position');
	if(empty($spinner_position)){
		$spinner_position = 'Middle';
	}
	$spinner_align = get_option('vmt_spinner_align');
	if(empty($spinner_align)){
		$spinner_align = 'Center';
	}
	?><form onsubmit="return false;" method="post" class="subscribe-us-form <?php echo get_option('vmt_subscribe_form_class'); ?>">
		<?php echo htmlspecialchars_decode(get_option('vmt_subscribe_form')); ?>
		<div class="vmt-spinner" style="display: none;" data-position="<?php echo $spinner_position; ?>" data-align="<?php echo $spinner_align; ?>" <?php echo (!empty($spinner_gap))?'data-gap="'.$spinner_gap.'"':''; ?>><?php echo htmlspecialchars_decode($spinner_svg); ?></div>
	</form>
	<script>
		jQuery.fn.subscribe_function = function(param) {
			var subscribers_data = {};
			var check_required = 1;

			$('form.subscribe-us-form input[required]').each(function(){
				if(!$(this).val()){
					check_required = 0;
				}
			});
			$('form.subscribe-us-form input[name=email][required], form.subscribe-us-form input[name=mail][required], form.subscribe-us-form input[type=email][required]').each(function(){
				var regex = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
				var email = $(this).val();
				if (email === '' || !regex.test(email)) {
					check_required = 0;
                }
			});
			if(check_required){
				var check_empty = 0;
				$('form.subscribe-us-form input, form.subscribe-us-form textarea').each(function(){
					var id = $(this).attr('name');
					var value = $(this).val();
					subscribers_data[id] = value;
					if(value){
						check_empty = 1;
					}
				});
				$('form.subscribe-us-form .empty-message').remove();
				if(check_empty){
					var spinner_position = $('form.subscribe-us-form div.vmt-spinner').data('position');
					var spinner_gap = $('form.subscribe-us-form div.vmt-spinner').data('gap');
					if(!spinner_gap){
						spinner_gap = 0;
					}
					var spinner_align = $('form.subscribe-us-form div.vmt-spinner').data('align');
					jQuery.ajax({
						url: '<?php echo admin_url('admin-ajax.php'); ?>',
						data: { action: 'subscribe_function', subscribers_data: subscribers_data},
						beforeSend: function(){
							if($('form.subscribe-us-form button').length && spinner_position === 'Middle'){
								$("form.subscribe-us-form button").height($('form.subscribe-us-form button').height()).width($('form.subscribe-us-form button').width()).empty().append($('form.subscribe-us-form div.vmt-spinner').contents()).find('svg').css({"position":"absolute", "display":"flex", "top":"50%", "left":"50%", "height":"fit-content", "width":"fit-content", "transform":"translateY(-50%) translateX(-50%)"});
								$("form.subscribe-us-form div.vmt-spinner").remove();
							}else{
								if(spinner_position === 'Middle'){
									spinner_position = 'Bottom';
								}
								$("form.subscribe-us-form div.vmt-spinner").show();
								if($('form.subscribe-us-form input[type="submit"]').length || $('form.subscribe-us-form button').length){
									if($('form.subscribe-us-form button').length){
										$("form.subscribe-us-form button").wrap('<div class="submit-wrapper" style="gap:'+spinner_gap+';display: flex;"/>');
										$("form.subscribe-us-form div.vmt-spinner").insertAfter('form.subscribe-us-form button');
									}else{
										$('form.subscribe-us-form input[type="submit"]').wrap('<div class="submit-wrapper" style="gap:'+spinner_gap+';display: flex;"/>');
										$("form.subscribe-us-form div.vmt-spinner").insertAfter('form.subscribe-us-form input[type="submit"]');
									}
								}else{
									$("form.subscribe-us-form div.vmt-spinner").wrap('<div class="submit-wrapper" style="gap:'+spinner_gap+';display: flex;"/>');
								}
								if(spinner_position === 'Bottom'){
									$("form.subscribe-us-form div.submit-wrapper").css("flex-direction", "column");
								}
								if(spinner_position === 'Left'){
									$("form.subscribe-us-form div.submit-wrapper").css("flex-direction", "row-reverse");
								}
								if(spinner_position === 'Top'){
									$("form.subscribe-us-form div.submit-wrapper").css("flex-direction", "column-reverse");
								}
								if(spinner_position === 'Right'){
									$("form.subscribe-us-form div.submit-wrapper").css("flex-direction", "row");
								}
								if(spinner_align === 'Start'){
									$("form.subscribe-us-form div.submit-wrapper").css("align-items", "flex-start");
								}
								if(spinner_align === 'Center'){
									$("form.subscribe-us-form div.submit-wrapper").css("align-items", "center");
								}
								if(spinner_align === 'End'){
									$("form.subscribe-us-form div.submit-wrapper").css("align-items", "flex-end");
								}
							}
						},
						success: function(data) {
							$("form.subscribe-us-form").empty().html( data );
						}
					});
				}else{
					$('form.subscribe-us-form').append('<span class="empty-message" style="color: red;">Empty Data Cannot Be Submitted</span>');
				}
			}
		}
		jQuery(document).ready(function($) {
			$('form.subscribe-us-form input[name=email], form.subscribe-us-form input[name=mail], form.subscribe-us-form input[type=email]').attr("required", true).attr({required: "true", type: "email"});
			$('form.subscribe-us-form button, form.subscribe-us-form input[type="submit"]').click(function(){
				$(this).subscribe_function();
			});
			$('form.subscribe-us-form').keypress(function(event){
				var keycode = (event.keyCode ? event.keyCode : event.which);
				if(keycode == '13'){
					$(this).subscribe_function();
				}
			});
		});
	</script><?php	
}
add_action('wp_ajax_subscribe_function' , 'subscribe_function');
add_action('wp_ajax_nopriv_subscribe_function','subscribe_function');
function subscribe_function(){
	$subscribers_data = $_GET['subscribers_data'];
	$email = $subscribers_data['email'];
	$sent_confirmation = get_option('vmt_sent_confirmation');
	if(empty($sent_confirmation)){
		$sent_confirmation = 'Yes';
	}

	global $wpdb;
	$table_name = $wpdb->prefix . 'vmt_subscription';
	$results = $wpdb->get_results( "SELECT * FROM $table_name WHERE email_id='$email'" );
	$date = gmdate( 'Y-m-d H:i:s');
	
	if(is_array($results) && count($results)>0){
		$result = $wpdb->get_results( "SELECT `status` FROM $table_name WHERE email_id='$email'" );
		$status = $result[0]->status;
		if($status == 'subscribed'){
			$span_class = get_option('vmt_subscribe_exist_class');
			$span_msg = get_option('vmt_subscribe_exist');
			echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: green;">';
				echo (!empty($span_msg))?$span_msg:'You Are Already A Member.';
			echo '</span>';
		}elseif($status == 'unconfirmed'){
			if($sent_confirmation == 'Yes'){
				$reconfirm = custom_confirmation_mail($email);
				$status = 'unconfirmed';
			}else{
				$reconfirm = custom_mail($email);
				$status = 'subscribed';
			}
			if($reconfirm){
				if($sent_confirmation == 'Yes'){
					$span_class = get_option('vmt_subscribe_confirmation_class');
					$span_msg = get_option('vmt_subscribe_confirmation');
					echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: yellow;">';
						echo (!empty($span_msg))?$span_msg:'A confirmation Mail Has Been Sent. Please Click On The Link Sent To Your Mail To Confirm';
					echo '</span>';
				}else{
					$wpdb->query("UPDATE $table_name SET `status`='$status' WHERE email_id='$email'");

					$span_class = get_option('vmt_subscribe_successful_class');
					$span_msg = get_option('vmt_subscribe_successful');
					echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: green;">';
						echo (!empty($span_msg))?$span_msg:'Successfully Submitted.';
					echo '</span>';
				}
			}else{
				$span_class = get_option('vmt_subscribe_error_class');
				$span_msg = get_option('vmt_subscribe_error');
				echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: red;">';
					echo (!empty($span_msg))?$span_msg:'It looks like some error has occurred.';
				echo '</span>';
			}
		}elseif($status == 'unsubscribed'){
			if($sent_confirmation == 'Yes'){
				$reconfirm = custom_confirmation_mail($email);
				$status = 'unconfirmed';
			}else{
				$reconfirm = custom_mail($email);
				$status = 'subscribed';
			}
			if($reconfirm){
				$wpdb->query("UPDATE $table_name SET `status`='$status' WHERE email_id='$email'");

				if($sent_confirmation == 'Yes'){
					$span_class = get_option('vmt_subscribe_resubscribe_class');
					$span_msg = get_option('vmt_subscribe_resubscribe');
					echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: green;">';
						echo (!empty($span_msg))?$span_msg:'You Are Not A Subscriber. Please Click On The Link Sent To Your Mail To Subscribe';
					echo '</span>';
				}else{
					$span_class = get_option('vmt_subscribe_successful_class');
					$span_msg = get_option('vmt_subscribe_successful');
					echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: green;">';
						echo (!empty($span_msg))?$span_msg:'Successfully Submitted.';
					echo '</span>';
				}
			}else{
				$span_class = get_option('vmt_subscribe_error_class');
				$span_msg = get_option('vmt_subscribe_error');
				echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: red;">';
					echo (!empty($span_msg))?$span_msg:'It looks like some error has occurred.';
				echo '</span>';
			}
		}else{
			$span_class = get_option('vmt_subscribe_error_class');
			$span_msg = get_option('vmt_subscribe_error');
			echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: red;">';
				echo (!empty($span_msg))?$span_msg:'It looks like some error has occurred.';
			echo '</span>';
		}
	}else{
		if($sent_confirmation == 'Yes'){
			$sent = custom_confirmation_mail($email);
			$status = 'unconfirmed';
		}else{
			$sent = custom_mail($email);
			$status = 'subscribed';
		}
		if($sent){
			$wpdb->query("INSERT INTO $table_name(`email_id`, `status`, `time`) VALUES ('$email','$status','$date')");

			$span_class = ($sent_confirmation == 'Yes')?get_option('vmt_subscribe_confirmation_class'):get_option('vmt_subscribe_successful_class');
			$span_msg = ($sent_confirmation == 'Yes')?get_option('vmt_subscribe_confirmation'):get_option('vmt_subscribe_successful');
			echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: green;">';
				echo (!empty($span_msg))?$span_msg:'Successfully Submitted.';
			echo '</span>';
		}else{
			$span_class = get_option('vmt_subscribe_error_class');
			$span_msg = get_option('vmt_subscribe_error');
			echo (!empty($span_class))?'<span class="'.$span_class.'">':'<span style="color: red;">';
				echo (!empty($span_msg))?$span_msg:'It looks like some error has occurred.';
			echo '</span>';
		}
	}

	die;
}