// Salva o ID da foto de perfil quando o usuário atualiza o perfil
add_action( 'personal_options_update', 'odisseia_save_author_avatar' );
add_action( 'edit_user_profile_update', 'odisseia_save_author_avatar' );

function odisseia_save_author_avatar( $user_id ) {
    if ( ! current_user_can( 'edit_user', $user_id ) ) {
        return false;
    }
    if ( isset( $_POST['odisseia_author_avatar_id'] ) ) {
        update_user_meta( $user_id, 'odisseia_author_avatar_id', sanitize_text_field( $_POST['odisseia_author_avatar_id'] ) );
    }
}

// Adiciona a caixa do autor automaticamente no final do conteúdo dos posts únicos (Protegida contra auto-links)
add_filter( 'the_content', function( $content ) {
    if ( is_singular( 'post' ) && in_the_loop() && is_main_query() ) {
        $author_id = get_the_author_meta( 'ID' );
        $author_name = get_the_author();
        $author_url = get_author_posts_url( $author_id );
        $author_bio = get_the_author_meta( 'description' );
        
        // Pega a foto customizada ou o Gravatar padrão
        $custom_avatar_id = get_user_meta( $author_id, 'odisseia_author_avatar_id', true );
        if ( $custom_avatar_id ) {
            $avatar_url = wp_get_attachment_url( $custom_avatar_id );
            $author_avatar = '<img src="' . esc_url( $avatar_url ) . '" class="odisseia-author-img" alt="' . esc_attr( $author_name ) . '" />';
        } else {
            $author_avatar = get_avatar( $author_id, 64, '', $author_name, array( 'class' => 'odisseia-author-img' ) );
        }

        // Usamos <div> em vez de <p> para a bio para evitar que plugins de auto-link encontrem tags de parágrafo aqui dentro
        $author_box = '<div class="odisseia-author-box" style="clear: both; display: flex; align-items: center; margin: 30px 0 20px 0; padding: 18px; background: #f9f9f9; border-left: 4px solid #e53935; border-radius: 4px; font-family: inherit;">';
        $author_box .= '<div style="flex-shrink: 0; margin-right: 15px;">' . $author_avatar . '</div>';
        $author_box .= '<div style="width: 100%;">';
        $author_box .= '<span style="font-size: 11px; color: #666; text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 2px; font-weight: 600;">Sobre o autor</span>';
        $author_box .= '<h4 style="margin: 0 0 6px 0; font-size: 16px;"><a href="' . esc_url( $author_url ) . '" style="color: #111; text-decoration: none; font-weight: bold;">' . esc_html( $author_name ) . '</a></h4>';
        if ( ! empty( $author_bio ) ) {
            $author_box .= '<div style="margin: 0; font-size: 13px; color: #555; line-height: 1.45;">' . esc_html( $author_bio ) . '</div>';
        }
        $author_box .= '</div>';
        $author_box .= '</div>';

        // Estilo inline para o avatar ficar redondo perfeitamente
        $author_box .= '<style>.odisseia-author-img { border-radius: 50% !important; width: 54px !important; height: 54px !important; object-fit: cover !important; min-width: 54px !important; }</style>';

        return $content . $author_box;
    }
    return $content;
}, 99999 );