<?php

define('THEMEROOT', get_stylesheet_directory_uri() . "/");
define('FILEROOT', dirname(__DIR__) . '/' . get_option('stylesheet'));
define("THEMEDIR", __DIR__ . "/");

$composer_autoload = THEMEDIR . "/vendor/autoload.php";

  /**
 * Initialize Timber. It is installed using Composer, so we can initialize it only if Composer autoload file is present.
 */
if ( file_exists( $composer_autoload ) ) {
	require_once $composer_autoload;
	$timber = new Timber\Timber();
}

/**
 * This ensures that Timber is loaded and available as a PHP class.
 * If not, it gives an error message to help direct developers on where to activate
 */
if ( ! class_exists( "Timber" ) ) {
	add_action(
		"admin_notices",
		function() {
			echo '<div class="error"><p>Timber not activated. Make sure that you have Timber installed in this theme using Composer. Refresh website if needed after activating Timber.</p></div>';
		}
	);

	add_filter(
		"template_include",
		function() {
			echo '<h1>Timber not activated. Make sure that you have Timber installed in this theme using Composer. Refresh website if needed after activating Timber.</h1>';
		}
	);

	return;
}



add_action( 'init', function(){

    add_theme_support( 'post-thumbnails' );

register_nav_menus(array(

    'main-menu' => 'Main Menu',
    'footer-menu' => 'Footer Menu',


));

    // ADD your image sizes here
 //   add_image_size( '4x3_small', 488, 387, true );


});



//helper image to pull an attachment image alt description
    function get_image_alt($attach_id){

        $alt_text = get_post_meta($attach_id, '_wp_attachment_image_alt', true);
        if(empty($alt_text)) // If not, Use the Caption
        {
            $attachment = get_post($attach_id);
            $alt_text = trim(strip_tags( $attachment->post_excerpt ));
        }
        if(empty($alt_text)) // Finally, use the title
        {
            $attachment = get_post($attach_id);
            $alt_text = trim(strip_tags( $attachment->post_title ));
        }

        return $alt_text;

    }


    

/**
 * This ensures that Timber is loaded and available as a PHP class.
 * If not, it gives an error message to help direct developers on where to activate
 */
if ( ! class_exists( 'Timber' ) ) {

	add_action(
		'admin_notices',
		function() {
			echo '<div class="error"><p>Timber not activated. Make sure you activate the plugin in <a href="' . esc_url( admin_url( 'plugins.php#timber' ) ) . '">' . esc_url( admin_url( 'plugins.php' ) ) . '</a></p></div>';
		}
	);

	add_filter(
		'template_include',
		function( $template ) {
			return get_stylesheet_directory() . '/static/no-timber.html';
		}
	);
	return;
}


/**
 * Sets the directories (inside your theme) to find .twig files
 */
Timber::$dirname = array( 'templates', 'views' );

/**
 * By default, Timber does NOT autoescape values. Want to enable Twig's autoescape?
 * No prob! Just set this value to true
 */
Timber::$autoescape = false;

/**
 * We're going to configure our theme inside of a subclass of Timber\Site
 * You can move this to its own file and include here via php's include("MySite.php")
 */
class BorealisSite extends Timber\Site {
	/** Add timber support. */
	public function __construct() {
		add_action( 'after_setup_theme', array( $this, 'theme_supports' ) );
		add_filter( 'timber/context', array( $this, 'add_to_context' ) );
		add_filter( 'timber/twig', array( $this, 'add_to_twig' ) );
		add_action( 'init', array( $this, 'register_post_types' ) );
		add_action( 'init', array( $this, 'register_taxonomies' ) );
		parent::__construct();
	}
    
	/** This is where you add some context
	 *
	 * @param string $context context['this'] Being the Twig's {{ this }}.
	 */
	public function add_to_context( $context ) {
		$context['menu']['main']  = new Timber\Menu('main-menu');
		$context['menu']['footer']  = new Timber\Menu('footer-menu');
		$context['site']  = $this;
		$context['privacy_page_link'] = get_field('privacy_policy_link', 'option');
		$context['posts_page_link'] = get_field('posts_page_link', 'option');
		$context['cookie_text'] = get_field('cookie_policy_text', 'option');
		$context['copyright_text'] = get_field('copyright_text', 'option');
		$context['sponsors'] = get_field('sponsors', 'option');
		$context['main_hero_headline'] = get_field('main_hero_headline', 'option');
		$context['main_hero_subheadline'] = get_field('main_hero_subheadline', 'option');
		$context['main_hero_button'] = get_field('main_hero_button_link', 'option');
		$context['main_hero_bg_image'] = get_field('main_hero_bg_image', 'option');
		$context['excluded_category'] = get_field('excluded_category', 'option');

		return $context;
	}

	public function theme_supports() {
		
		// Make hockey available for translation. Translations can be added to the /languages/ directory.
		 load_theme_textdomain( 'trex', get_template_directory() . '/languages' );

		// Add default posts and comments RSS feed links to head.
		add_theme_support( 'automatic-feed-links' );

		/*
		 * Let WordPress manage the document title.
		 * By adding theme support, we declare that this theme does not use a
		 * hard-coded <title> tag in the document head, and expect WordPress to
		 * provide it for us.
		 */
		add_theme_support( 'title-tag' );

		/*
		 * Enable support for Post Thumbnails on posts and pages.
		 *
		 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
		 */
		add_theme_support( 'post-thumbnails' );

		/*
		 * Switch default core markup for search form, comment form, and comments
		 * to output valid HTML5.
		 */
		add_theme_support(
			'html5',
			array(
				'comment-form',
				'comment-list',
				'gallery',
				'caption',
			)
		);

		/*
		 * Enable support for Post Formats.
		 *
		 * See: https://codex.wordpress.org/Post_Formats
		 */
		add_theme_support(
			'post-formats',
			array(
				'aside',
				'image',
				'video',
				'quote',
				'link',
				'gallery',
				'audio',
			)
		);

		add_theme_support( 'menus' );
	}


	/** This is where you can add your own functions to twig.
	 *
	 * @param string $twig get extension.
	 */
	public function add_to_twig( $twig ) {
		$twig->addExtension( new Twig\Extension\StringLoaderExtension() );
    $twig->addFilter( new Timber\Twig_Filter( 'format_session', 'format_session' ) );

		return $twig;
	}

}
new BorealisSite();