<?php
/**
 * Theme root directory. Web path/url.
 */
define("THEMEROOT", get_stylesheet_directory_uri());
/**
 * Theme root directory. Path on disk.
 */
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;
}

/**
 * Sets the directories (inside your theme) to find .twig files
 */
Timber::$dirname = array( THEMEROOT, "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 LindeSite 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["site"]  = $this;
		// $context["sample"] = get_field("sample_acf_field", "option");

		return $context;
	}

	public function setup_menus(){
		register_nav_menus( array (
				"primary" => __( "Primary menu", "linde-lang" ),
				"footer" => __( "Footer menu", "linde-lang" )
		) );
	}

	public function setup_image_sizes(){
		// add_image_size( "19x6_large", "1920", "600", true );
	}

	public function theme_supports() {
		// Make theme available for translation. Translations can be added to the /languages/ directory.
		load_theme_textdomain( "linde-lang", THEMEDIR . "/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;
	}

}

class LindeFlexible extends Timber\Post {
	public function blocks() {
		$blocks = array();

		foreach ( $this->meta( "sections" ) as $section ) {
			$elements = array();

			// Check if elements is an array to surpress warnings
			if (is_array($section["elements"])) {
				foreach ( $section["elements"] as $element ) {
					include dirname(__DIR__) . '/templates/page-elements/' . $element["acf_fc_layout"] . ".php";
					$elements[] = $element;
				}
			}

			$section["elements"] = $elements;
			$blocks[] = $section;
		}

		return $blocks;
	}
}

new LindeSite();