<?php
class moulding_templates {
    public static function determine_template(){
        global $post,$wp_query;

        // custom post types
        $post_type_array = array('moulding_profiles','moulding_combination','moulding_collection','idea_gallery');
        foreach ($post_type_array as $post_type_single) {
            global $post;
            if (is_singular($post_type_single)) {
                moulding_templates::loadSingleTemplate($post);
            }
        }
        // custom taxonomies
        $taxonomy_array = array('profile_categories','combination_categories','wood_types');
        foreach ($taxonomy_array as $taxonomy_single) {
            if (is_tax($taxonomy_single)) {
                moulding_templates::loadTaxonomyTemplate($taxonomy_single);
            }
        }
    }

    private static function loadSingleTemplate($post) {
        $template_name = 'moulding-templates/single-'.$post->post_type.'.php';
        $template = locate_template(array($template_name), true);
        if(empty($template)) {
            include(MOULDINGS_BASE_DIR . 'includes/' . $template_name);
            exit();
        }
    }
    private static function loadTaxonomyTemplate($taxonomy) {
        $template_name = 'moulding-templates/taxonomy-'.$taxonomy.'.php';
        $template = locate_template(array($template_name), true);
        if(empty($template)) {
            include(MOULDINGS_BASE_DIR . 'includes/' . $template_name);
            exit();
        }
    }
}
add_action('template_include', array('moulding_templates', 'determine_template'));