<?php
//Replaces the user registration welcome email, this is an exact copy of the wp_new_user_notification function with one if statement added us to circumvent the default email.
//see comments starting //LWA for changes
if ( !function_exists('wp_new_user_notification') ) :
/**
 * Email login credentials to a newly-registered user.
 *
 * A new user registration notification is also sent to admin email.
 *
 * @since 2.0.0
 * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`.
 * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter.
 *
 * @global wpdb         $wpdb      WordPress database object for queries.
 * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance.
 *
 * @param int    $user_id    User ID.
 * @param null   $deprecated Not used (argument deprecated).
 * @param string $notify     Optional. Type of notification that should happen. Accepts 'admin' or an empty
 *                           string (admin only), or 'both' (admin and user). The empty string value was kept
 *                           for backward-compatibility purposes with the renamed parameter. Default empty.
 */
function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) {
	if ( $deprecated !== null ) {
		//_deprecated_argument( __FUNCTION__, '4.3.1' ); //LWA - <4.3 backwards compat, not executing this deprecated function
	}

	global $wpdb, $wp_hasher;
	$user = get_userdata( $user_id );

	// The blogname option is escaped with esc_html on the way into the database in sanitize_option
	// we want to reverse this for the plain text arena of emails.
	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);

	$message  = sprintf(__('New user registration on your site %s:'), $blogname) . "\r\n\r\n";
	$message .= sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
	$message .= sprintf(__('E-mail: %s'), $user->user_email) . "\r\n";

	@wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message);

	if ( 'admin' === $notify || (empty( $notify ) && empty($deprecated)) ) { //LWA - let this pass if there's a password to notify user with, <4.3 backwards compat
		return;
	}

	// Generate something random for a password reset key.
	$key = wp_generate_password( 20, false );

	/** This action is documented in wp-login.php */
	do_action( 'retrieve_password_key', $user->user_login, $key );

	// Now insert the key, hashed, into the DB.
	if ( empty( $wp_hasher ) ) {
		require_once ABSPATH . WPINC . '/class-phpass.php';
		$wp_hasher = new PasswordHash( 8, true );
	}
	$hashed = time() . ':' . $wp_hasher->HashPassword( $key );
	$wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) );

	//LWA Customizations START
    //generate password link like it's done further down
    $password_link = network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user->user_login), 'login');
    if( !empty($deprecated) ) $password_link = $deprecated; // for <4.3 compatability
    LoginWithAjax::new_user_notification($user->user_login, $password_link, $user->user_email, $blogname, $deprecated);
    return;
	//LWA Customizations END
	
	$message = sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
	$message .= __('To set your password, visit the following address:') . "\r\n\r\n";
	$message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user->user_login), 'login') . ">\r\n\r\n";

	$message .= wp_login_url() . "\r\n";

	wp_mail($user->user_email, sprintf(__('[%s] Your username and password info'), $blogname), $message);
}
endif;

?>
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