<?php
/**
 * ZenEarth functions and definitions
 *
 * Set up the theme and provides some helper functions, which are used in the
 * theme as custom template tags. Others are attached to action and filter
 * hooks in WordPress to change core functionality.
 *
 * When using a child theme you can override certain functions (those wrapped
 * in a function_exists() call) by defining them first in your child theme's
 * functions.php file. The child theme's functions.php file is included before
 * the parent theme's file, so the child theme functions would be used.
 *
 * @link https://codex.wordpress.org/Theme_Development
 * @link https://codex.wordpress.org/Child_Themes
 *
 * Functions that are not pluggable (not wrapped in function_exists()) are
 * instead attached to a filter or action hook.
 *
 * For more information on hooks, actions, and filters,
 * {@link https://codex.wordpress.org/Plugin_API}
 *
 */

/**
 * Set a constant that holds the theme's minimum supported PHP version.
 */
define( 'ZENEARTH_MIN_PHP_VERSION', '7.0' );

/**
 * Immediately after theme switch is fired we we want to check php version and
 * revert to previously active theme if version is below our minimum.
 */
add_action( 'after_switch_theme', 'zenearth_test_for_min_php' );

/**
 * Switches back to the previous theme if the minimum PHP version is not met.
 */
function zenearth_test_for_min_php() {

	// Compare versions.
	if ( version_compare( PHP_VERSION, ZENEARTH_MIN_PHP_VERSION, '<' ) ) {
		// Site doesn't meet themes min php requirements, add notice...
		add_action( 'admin_notices', 'zenearth_min_php_not_met_notice' );
		// ... and switch back to previous theme.
		switch_theme( get_option( 'theme_switched' ) );
		return false;

	};
}

if ( ! function_exists( 'wp_body_open' ) ) {
        function wp_body_open() {
                do_action( 'wp_body_open' );
        }
}

/**
 * An error notice that can be displayed if the Minimum PHP version is not met.
 */
function zenearth_min_php_not_met_notice() {
	?>
	<div class="notice notice-error is_dismissable">
		<p>
			<?php esc_html_e( 'You need to update your PHP version to run this theme.', 'zenearth' ); ?> <br />
			<?php
			printf(
				/* translators: 1 is the current PHP version string, 2 is the minmum supported php version string of the theme */
				esc_html__( 'Actual version is: %1$s, required version is: %2$s.', 'zenearth' ),
				PHP_VERSION,
				ZENEARTH_MIN_PHP_VERSION
			); // phpcs: XSS ok.
			?>
		</p>
	</div>
	<?php
}


require_once( trailingslashit( get_template_directory() ) . 'inc/customize-pro/class-customize.php' );

if ( ! function_exists( 'zenearth_setup' ) ) :
	/**
	 * ZenEarth setup.
	 *
	 * Set up theme defaults and registers support for various WordPress features.
	 *
	 * Note that this function is hooked into the after_setup_theme hook, which
	 * runs before the init hook. The init hook is too late for some features, such
	 * as indicating support post thumbnails.
	 *
	 */
	function zenearth_setup() {

		/*
		 * Make theme available for translation.
		 *
		 * Translations can be filed in the /languages/ directory
		 *
		 * If you're building a theme based on ZenEarth, use a find and replace
		 * to change 'zenearth' to the name of your theme in all the template files.
		 */
		load_theme_textdomain( 'zenearth', 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',
		) );

		$defaults = array(
	        'flex-height' => false,
	        'flex-width'  => false,
	        'header-text' => array( 'site-title', 'site-description' ),
	    );
	    add_theme_support( 'custom-logo', $defaults );

		// Add support for Block Styles.
		add_theme_support( 'wp-block-styles' );

		add_theme_support( 'editor-styles' );

		/*
		 * This theme styles the visual editor to resemble the theme style,
		 * specifically font, colors, and column width.
	 	 */
		add_editor_style( array( 'assets/css/editor-style.css', 
								 get_template_directory_uri() . '/assets/css/font-awesome.css',
								 
						  ) );

		/*
		 * Set Custom Background
		 */				 
		add_theme_support( 'custom-background', array ('default-color'  => '#ffffff') );

		// Set the default content width.
		$GLOBALS['content_width'] = 900;

		// This theme uses wp_nav_menu() in header menu
		register_nav_menus( array(
			'primary'   => __( 'Primary Menu', 'zenearth' ),
			'footer'    => __( 'Footer Menu', 'zenearth' ),
		) );

		// Define and register starter content to showcase the theme on new sites.
		$starter_content = array(

			'widgets' => array(
				'sidebar-widget-area' => array(
					'search',
					'recent-posts',
					'categories',
					'archives',
				),

				'footer-column-1-widget-area' => array(
					'recent-comments'
				),

				'footer-column-2-widget-area' => array(
					'recent-posts'
				),

				'footer-column-3-widget-area' => array(
					'calendar'
				),
			),

			'posts' => array(
				'home',
				'blog',
				'about',
				'contact'
			),

			// Default to a static front page and assign the front and posts pages.
			'options' => array(
				'show_on_front' => 'page',
				'page_on_front' => '{{home}}',
				'page_for_posts' => '{{blog}}',
			),

			// Set the front page section theme mods to the IDs of the core-registered pages.
			'theme_mods' => array(
				'zenearth_slider_display' => 1,
				'zenearth_slide1_image' => esc_url( get_template_directory_uri() . '/images/slider/1.jpg' ),
				'zenearth_slide2_image' => esc_url( get_template_directory_uri() . '/images/slider/2.jpg' ),
				'zenearth_slide3_image' => esc_url( get_template_directory_uri() . '/images/slider/3.jpg' ),
				'zenearth_slide4_image' => esc_url( get_template_directory_uri() . '/images/slider/4.jpg' ),
				'zenearth_slide5_image' => esc_url( get_template_directory_uri() . '/images/slider/5.jpg' ),
			),

			'nav_menus' => array(

				// Assign a menu to the "primary" location.
				'primary' => array(
					'name' => __( 'Primary Menu', 'zenearth' ),
					'items' => array(
						'link_home',
						'page_blog',
						'page_contact',
						'page_about',
					),
				),

				// Assign a menu to the "footer" location.
				'footer' => array(
					'name' => __( 'Footer Menu', 'zenearth' ),
					'items' => array(
						'link_home',
						'page_blog',
						'page_contact',
						'page_about',
					),
				),
			),
		);

		$starter_content = apply_filters( 'zenearth_starter_content', $starter_content );
		add_theme_support( 'starter-content', $starter_content );
	}
endif; // zenearth_setup
add_action( 'after_setup_theme', 'zenearth_setup' );



if ( ! function_exists( 'zenearth_load_scripts' ) ) :
	/**
	 * the main function to load scripts in the ZenEarth theme
	 * if you add a new load of script, style, etc. you can use that function
	 * instead of adding a new wp_enqueue_scripts action for it.
	 */
	function zenearth_load_scripts() {

		// load main stylesheet.
		wp_enqueue_style( 'font-awesome',
			get_template_directory_uri() . '/assets/css/font-awesome.css', array( ) );

		wp_enqueue_style( 'animate-css',
			get_template_directory_uri() . '/assets/css/animate.css', array( ) );

		wp_enqueue_style( 'zenearth-style', get_stylesheet_uri(), array() );
		
		
		
		if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {

			wp_enqueue_script( 'comment-reply' );
		}

		wp_enqueue_script( 'viewportchecker',
			get_template_directory_uri() . '/assets/js/viewportchecker.js', array( 'jquery' ) );
		
		// Load Utilities JS Script
		wp_enqueue_script( 'zenearth-utilities',
			get_template_directory_uri() . '/assets/js/utilities.js', array( 'jquery', 'viewportchecker' ) );

		$data = array(
	        'loading_effect' => ( get_theme_mod('zenearth_animations_display', 1) == 1 ),
	    );
	    wp_localize_script('zenearth-utilities', 'zenearth_options', $data);

		// Load Slider JS Scripts
		wp_enqueue_script( 'pgwslideshow',
			get_template_directory_uri() . '/assets/js/pgwslideshow.js', array( 'jquery' ) );
	}
endif; // zenearth_load_scripts

add_action( 'wp_enqueue_scripts', 'zenearth_load_scripts' );

if ( ! function_exists( 'zenearth_widgets_init' ) ) :
	/**
	 *	widgets-init action handler. Used to register widgets and register widget areas
	 */
	function zenearth_widgets_init() {
		
		// Register Sidebar Widget.
		register_sidebar( array (
							'name'	 		 =>	 __( 'Sidebar Widget Area', 'zenearth'),
							'id'		 	 =>	 'sidebar-widget-area',
							'description'	 =>  __( 'The sidebar widget area', 'zenearth'),
							'before_widget'	 =>  '',
							'after_widget'	 =>  '',
							'before_title'	 =>  '<div class="sidebar-before-title"></div><h3 class="sidebar-title">',
							'after_title'	 =>  '</h3><div class="sidebar-after-title"></div>',
						) );
		

		// Register Footer Column #1
		register_sidebar( array (
								'name'			 =>  __( 'Footer Column #1', 'zenearth' ),
								'id' 			 =>  'footer-column-1-widget-area',
								'description'	 =>  __( 'The Footer Column #1 widget area', 'zenearth' ),
								'before_widget'  =>  '',
								'after_widget'	 =>  '',
								'before_title'	 =>  '<h2 class="footer-title">',
								'after_title'	 =>  '</h2><div class="footer-after-title"></div>',
							) );
		
		// Register Footer Column #2
		register_sidebar( array (
								'name'			 =>  __( 'Footer Column #2', 'zenearth' ),
								'id' 			 =>  'footer-column-2-widget-area',
								'description'	 =>  __( 'The Footer Column #2 widget area', 'zenearth' ),
								'before_widget'  =>  '',
								'after_widget'	 =>  '',
								'before_title'	 =>  '<h2 class="footer-title">',
								'after_title'	 =>  '</h2><div class="footer-after-title"></div>',
							) );
		
		// Register Footer Column #3
		register_sidebar( array (
								'name'			 =>  __( 'Footer Column #3', 'zenearth' ),
								'id' 			 =>  'footer-column-3-widget-area',
								'description'	 =>  __( 'The Footer Column #3 widget area', 'zenearth' ),
								'before_widget'  =>  '',
								'after_widget'	 =>  '',
								'before_title'	 =>  '<h2 class="footer-title">',
								'after_title'	 =>  '</h2><div class="footer-after-title"></div>',
							) );
	}
endif; // zenearth_widgets_init

add_action( 'widgets_init', 'zenearth_widgets_init' );

if ( ! function_exists( 'zenearth_display_slider' ) ) :
	/**
	 * Displays the slider
	 */
	function zenearth_display_slider() {
?>
		<ul class="pgwSlideshow">
			<?php
					// display slides
					for ( $i = 1; $i <= 5; ++$i ) {
						
						$defaultSlideImage = get_template_directory_uri().'/images/slider/' . $i .'.jpg';

						$slideImage = get_theme_mod( 'zenearth_slide'.$i.'_image', $defaultSlideImage );
			?>
								<li>
									<img src="<?php echo esc_attr( $slideImage ); ?>" />
								</li>
			<?php
					} // end of for
			?>
		</ul><!-- .pgwSlideshow -->
<?php 
	}
endif; // zenearth_display_slider

/**
 * Fix skip link focus in IE11.
 *
 * This does not enqueue the script because it is tiny and because it is only for IE11,
 * thus it does not warrant having an entire dedicated blocking script being loaded.
 *
 * @link https://git.io/vWdr2
 */
function zenearth_skip_link_focus_fix() {
	// The following is minified via `terser --compress --mangle -- js/skip-link-focus-fix.js`.
	?>
	<script>
	/(trident|msie)/i.test(navigator.userAgent)&&document.getElementById&&window.addEventListener&&window.addEventListener("hashchange",function(){var t,e=location.hash.substring(1);/^[A-z0-9_-]+$/.test(e)&&(t=document.getElementById(e))&&(/^(?:a|select|input|button|textarea)$/i.test(t.tagName)||(t.tabIndex=-1),t.focus())},!1);
	</script>
	<?php
}
add_action( 'wp_print_footer_scripts', 'zenearth_skip_link_focus_fix' );

function zenearth_register_block_styles() {

	register_block_style(
		'core/button',
		array(
			'name'  => 'btn',
			'label' => __( 'Hover Effect', 'zenearth' ),
		)
	);

	register_block_style(
		'core/group',
		array(
			'name'  => 'tgroup',
			'label' => __( 'Margin Bottom Space', 'zenearth' ),
		)
	);

	register_block_style(
		'core/site-title',
		array(
			'name'  => 'tsitetitle',
			'label' => __( 'Bold', 'zenearth' ),
		)
	);

	register_block_style(
		'core/post-title',
		array(
			'name'  => 'tposttitle',
			'label' => __( 'Bold', 'zenearth' ),
		)
	);

	register_block_style(
		'core/social-link',
		array(
			'name'  => 'tsociallinks',
			'label' => __( 'Square', 'zenearth' ),
		)
	);
}
add_action( 'init', 'zenearth_register_block_styles' );

/**
 * Implement the Custom Header feature.
 */
require get_template_directory() . '/inc/custom-header.php';

/**
 * Customizer additions.
 */
require get_template_directory() . '/inc/customizer.php';
