<?php

use Molongui\Authorship\Author;
use Molongui\Authorship\Post;

defined( 'ABSPATH' ) or exit; // Exit if accessed directly
add_filter( 'authorship/pre_get_user_by', function( $user, $original_user, $field, $value )
{
    $post_id = Post::get_id();
    $dbt     = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS, 12 );
    $fn      = 'get_the_author_meta';
    $classes = array( 'TWP_widget_style_1', 'TWP_widget_style_2', 'TWP_widget_style_3' );
    if ( empty( $post_id ) )
    {
        return $original_user;
    }
    if ( array_intersect( $classes, array_column( $dbt, 'class' ) ) )
    {
        if ( !Post::has_multiple_authors( $post_id ) and !Post::is_guest( $post_id ) )
        {
            $main_author  = Post::get_main_author( $post_id );
            $author_class = new Author( $main_author->id, $main_author->type );
            $user->guest_id         = $author_class->get_id();
            $user->display_name     = $author_class->get_display_name();//$post_class->filter_name( $post_id );
            $user->user_url         = $author_class->get_website();
            $user->description      = $author_class->get_description();
            $user->user_description = $user->description;
            $user->user_nicename    = $author_class->get_slug();
            $user->nickname         = $user->display_name;
        }
    }

    return $user;
}, 10, 4 );