<?php
/**
 * Vegan 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}
 *
 * @subpackage Vegan
 * @author ayatemplates
 * @since Vegan 1.0.0
 *
 */

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

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

	// Compare versions.
	if ( version_compare( PHP_VERSION, VEGAN_MIN_PHP_VERSION, '<' ) ) {
		// Site doesn't meet themes min php requirements, add notice...
		add_action( 'admin_notices', 'vegan_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 vegan_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.', 'vegan' ); ?> <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.', 'vegan' ),
				PHP_VERSION,
				VEGAN_MIN_PHP_VERSION
			); // phpcs: XSS ok.
			?>
		</p>
	</div>
	<?php
}


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

if ( ! function_exists( 'vegan_setup' ) ) :
/**
 * Vegan 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 vegan_setup() {

	/*
	 * Make theme available for translation.
	 * Translations can be filed in the /languages/ directory.
	 */
	load_theme_textdomain( 'vegan', 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.
	 */
	add_theme_support( 'title-tag' );

	/*
	 * Enable support for Post Thumbnails on posts and pages.
	 * @link http://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
	 */
	add_theme_support( 'post-thumbnails' );
	

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

	/*
	 * 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',
	) );

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

	add_theme_support( 'editor-styles' );

	// add the visual editor to resemble the theme style
	add_editor_style( 'css/editor-style.css' );

	// add custom background				 
	add_theme_support( 'custom-background', 
				   array ('default-color'  => '#ffffff')
				 );

	// add content width
	global $content_width;
	if ( ! isset( $content_width ) ) {
		$content_width = 900;
	}

	// add custom header
    add_theme_support( 'custom-header', array (
                       'default-image'          => '',
                       'random-default'         => '',
                       'flex-height'            => true,
                       'flex-width'             => true,
                       'uploads'                => true,
                       'width'                  => 900,
                       'height'                 => 100,
                       'default-text-color'        => '#000000',
                       'wp-head-callback'       => 'vegan_header_style',
                    ) );


    // add custom logo
    add_theme_support( 'custom-logo', array (
                       'width'                  => 75,
                       'height'                 => 75,
                       'flex-height'            => true,
                       'flex-width'             => true,
                    ) );

    // 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(
			'vegan_slider_display' => 1,
			'vegan_slide1_image' => esc_url( get_template_directory_uri() . '/images/slider/1.jpg' ),
			'vegan_slide1_content' => _x( '<h2>Slide 1 Title</h2><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p><a href="#" title="Read more">Read more</a>', 'Theme starter content', 'vegan' ),
			'vegan_slide2_image' => esc_url( get_template_directory_uri() . '/images/slider/2.jpg' ),
			'vegan_slide2_content' => _x( '<h2>Slide 2 Title</h2><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p><a href="#" title="Read more">Read more</a>', 'Theme starter content', 'vegan' ),
			'vegan_slide3_image' => esc_url( get_template_directory_uri() . '/images/slider/3.jpg' ),
			'vegan_slide3_content' => _x( '<h2>Slide 3 Title</h2><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p><a href="#" title="Read more">Read more</a>', 'Theme starter content', 'vegan' ),
			'vegan_social_facebook' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_twitter' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_linkedin' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_instagram' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_rss' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_tumblr' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_youtube' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_pinterest' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_vk' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_flickr' => _x( '#', 'Theme starter content', 'vegan' ),
			'vegan_social_vine' => _x( '#', 'Theme starter content', 'vegan' ),
		),

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

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

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

if ( ! function_exists( 'vegan_sanitize_checkbox' ) ) :
	/**
	 * Sanitization callback for 'checkbox' type controls. This callback sanitizes `$checked`
	 * as a boolean value, either TRUE or FALSE.
	 *
	 * @param bool $checked Whether the checkbox is checked.
	 * @return bool Whether the checkbox is checked.
	 */
	function vegan_sanitize_checkbox( $checked ) {
		// Boolean check.
		return ( ( isset( $checked ) && true == $checked ) ? true : false );
	}
endif; // vegan_sanitize_checkbox

if ( ! function_exists( 'vegan_sanitize_html' ) ) :

	function vegan_sanitize_html( $html ) {
		return wp_kses_post( $html );
	}

endif; // vegan_sanitize_html

if ( ! function_exists( 'vegan_sanitize_url' ) ) :

	function vegan_sanitize_url( $url ) {
		return esc_url_raw( $url );
	}

endif; // vegan_sanitize_url

/**
 * Register theme settings in the customizer
 */
function vegan_customize_register( $wp_customize ) {

	/**
	 * Add Slider Section
	 */
	$wp_customize->add_section(
		'vegan_slider_section',
		array(
			'title'       => __( 'Slider', 'vegan' ),
			'capability'  => 'edit_theme_options',
		)
	);
	
	// Add display slider option
	$wp_customize->add_setting(
			'vegan_slider_display',
			array(
					'default'           => 0,
					'sanitize_callback' => 'vegan_sanitize_checkbox',
			)
	);

	$wp_customize->add_control( new WP_Customize_Control( $wp_customize, 'vegan_slider_display',
							array(
								'label'          => __( 'Display Slider on a Static Front Page', 'vegan' ),
								'section'        => 'vegan_slider_section',
								'settings'       => 'vegan_slider_display',
								'type'           => 'checkbox',
							)
						)
	);

	for ($i = 1; $i <= 3; ++$i) {
	
		$slideContentId = 'vegan_slide'.$i.'_content';
		$slideImageId = 'vegan_slide'.$i.'_image';
		$defaultSliderImagePath = get_template_directory_uri().'/images/slider/'.$i.'.jpg';
	
		// Add Slide Content
		$wp_customize->add_setting(
			$slideContentId,
			array(
				'sanitize_callback' => 'vegan_sanitize_html',
			)
		);
		
		$wp_customize->add_control( new WP_Customize_Control( $wp_customize, $slideContentId,
									array(
										'label'          => sprintf( esc_html__( 'Slide #%s Content', 'vegan' ), $i ),
										'section'        => 'vegan_slider_section',
										'settings'       => $slideContentId,
										'type'           => 'textarea',
										)
									)
		);
		
		// Add Slide Background Image
		$wp_customize->add_setting( $slideImageId,
			array(
				'default' => $defaultSliderImagePath,
				'sanitize_callback' => 'vegan_sanitize_url'
			)
		);

		$wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, $slideImageId,
				array(
					'label'   	 => sprintf( esc_html__( 'Slide #%s Image', 'vegan' ), $i ),
					'section' 	 => 'vegan_slider_section',
					'settings'   => $slideImageId,
				) 
			)
		);
	}

	/**
	 * Add Footer Section
	 */
	$wp_customize->add_section(
		'vegan_footer_section',
		array(
			'title'       => __( 'Footer', 'vegan' ),
			'capability'  => 'edit_theme_options',
		)
	);
	
	// Add footer copyright text
	$wp_customize->add_setting(
		'vegan_footer_copyright',
		array(
		    'default'           => '',
		    'sanitize_callback' => 'sanitize_text_field',
		)
	);

	$wp_customize->add_control( new WP_Customize_Control( $wp_customize, 'vegan_footer_copyright',
        array(
            'label'          => __( 'Copyright Text', 'vegan' ),
            'section'        => 'vegan_footer_section',
            'settings'       => 'vegan_footer_copyright',
            'type'           => 'text',
            )
        )
	);

	/**
	 * Add Animations Section
	 */
	$wp_customize->add_section(
		'vegan_animations_display',
		array(
			'title'       => __( 'Animations', 'vegan' ),
			'capability'  => 'edit_theme_options',
		)
	);

	// Add display Animations option
	$wp_customize->add_setting(
			'vegan_animations_display',
			array(
					'default'           => 1,
					'sanitize_callback' => 'vegan_sanitize_checkbox',
			)
	);

	$wp_customize->add_control( new WP_Customize_Control( $wp_customize,
						'vegan_animations_display',
							array(
								'label'          => __( 'Enable Animations', 'vegan' ),
								'section'        => 'vegan_animations_display',
								'settings'       => 'vegan_animations_display',
								'type'           => 'checkbox',
							)
						)
	);
}

add_action('customize_register', 'vegan_customize_register');

/**
 * the main function to load scripts in the Vegan 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 vegan_load_scripts() {

	// load main stylesheet.
	wp_enqueue_style( 'font-awesome', get_template_directory_uri() . '/css/font-awesome.min.css', array( ) );
	wp_enqueue_style( 'animate-css', get_template_directory_uri() . '/css/animate.css', array( ) );
	wp_enqueue_style( 'vegan-style', get_stylesheet_uri(), array() );
	
	
	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}
	
	// Load Utilities JS Script
	wp_enqueue_script( 'viewportchecker', get_template_directory_uri() . '/js/viewportchecker.js', array( 'jquery' ) );

	wp_enqueue_script( 'vegan-utilities', get_template_directory_uri() . '/js/utilities.js',
		array( 'jquery', 'viewportchecker' ) );

	// Load Slider JS Script
	wp_enqueue_script( 'jquery-easing', get_template_directory_uri() . '/js/jquery.easing.js', array( 'jquery' ) );

	wp_enqueue_script( 'ayaSlider', get_template_directory_uri() . '/js/ayaSlider.js', array( 'jquery', 'jquery-easing' ) );

	$data = array(
		'loading_effect' => ( get_theme_mod('vegan_animations_display', 1) == 1 ),
	);
	wp_localize_script('vegan-utilities', 'vegan_options', $data);
}

add_action( 'wp_enqueue_scripts', 'vegan_load_scripts' );



/**
 * Display website's logo image
 */
function vegan_show_website_logo_image_and_title() {

	 if ( has_custom_logo() ) {

        the_custom_logo();
    }

    $header_text_color = get_header_textcolor();

    if ( 'blank' !== $header_text_color ) {
    
        echo '<div id="site-identity">';
        echo '<a href="' . esc_url( home_url('/') ) . '" title="' . esc_attr( get_bloginfo('name') ) . '">';
        echo '<h1 class="entry-title">' . esc_html( get_bloginfo('name') ) . '</h1>';
        echo '</a>';
        echo '<strong>' . esc_html( get_bloginfo('description') ) . '</strong>';
        echo '</div>';
    }
}

/**
 *	Displays the copyright text.
 */
function vegan_show_copyright_text() {

	$footerText = get_theme_mod('vegan_footer_copyright', null);

	if ( !empty( $footerText ) ) {

		echo esc_html( $footerText ) . ' | ';		
	}
}

/**
 *	widgets-init action handler. Used to register widgets and register widget areas
 */
function vegan_widgets_init() {
	
	// Register Sidebar Widget.
	register_sidebar( array (
						'name'	 		 =>	 __( 'Sidebar Widget Area', 'vegan'),
						'id'		 	 =>	 'sidebar-widget-area',
						'description'	 =>  __( 'The sidebar widget area', 'vegan'),
						'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', 'vegan' ),
							'id' 			 =>  'footer-column-1-widget-area',
							'description'	 =>  __( 'The Footer Column #1 widget area', 'vegan' ),
							'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', 'vegan' ),
							'id' 			 =>  'footer-column-2-widget-area',
							'description'	 =>  __( 'The Footer Column #2 widget area', 'vegan' ),
							'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', 'vegan' ),
							'id' 			 =>  'footer-column-3-widget-area',
							'description'	 =>  __( 'The Footer Column #3 widget area', 'vegan' ),
							'before_widget'  =>  '',
							'after_widget'	 =>  '',
							'before_title'	 =>  '<h2 class="footer-title">',
							'after_title'	 =>  '</h2><div class="footer-after-title"></div>',
						) );
}

add_action( 'widgets_init', 'vegan_widgets_init' );

/**
 * Displays the slider
 * Get the Slider Images from the latest Post Thumbnails
 */
function vegan_display_slider() {

?>
	<div id="slideShow">
<?php
		// display slides
		for ( $i = 1; $i <= 3; ++$i ) {
				
			$defaultSlideImage = get_template_directory_uri().'/images/slider/' . $i .'.jpg';

			$slideContent = get_theme_mod( 'vegan_slide'.$i.'_content' );
			$slideImage = get_theme_mod( 'vegan_slide'.$i.'_image', $defaultSlideImage );

?>
			<div data-out="top:1000;opacity:0;" data-in="left:-100;opacity:.2;duration:500" class="slide">

				<?php echo '<img style="position:absolute;" src="' . esc_attr($slideImage) . '" class="slide-img" />'; ?>
				<?php if ( $slideContent ) : ?>
						<div class="grid" style="margin-top:15px;">
							<div data-in="left:-1000;delay:700;duration:1550" class="content">
								<?php echo $slideContent; ?>
							</div>
						</div>
				<?php endif; ?>
			</div>
<?php	} ?>
	</div><!-- #slideShow -->
	<div id="timer">
	 </div>
	 <div class="slideControl-wrapper">
		 <ul class="slideControl">
		 	<?php for ($i = 0; $i < 3; ++$i ) { ?>
		 			<li></li>
		 	<?php } ?>
		 </ul>
	 </div>

<?php
}

function vegan_header_style() {

    $header_text_color = get_header_textcolor();

    if ( ! has_header_image()
        && ( get_theme_support( 'custom-header', 'default-text-color' ) === $header_text_color
             || 'blank' === $header_text_color ) ) {

        return;
    }

    $headerImage = get_header_image();
?>
    <style type="text/css">
        <?php if ( has_header_image() ) : ?>

                #header-main-fixed {background-image: url("<?php echo esc_url( $headerImage ); ?>");}

        <?php endif; ?>

        <?php if ( get_theme_support( 'custom-header', 'default-text-color' ) !== $header_text_color
                    && 'blank' !== $header_text_color ) : ?>

                #header-main-fixed, #header-main-fixed h1.entry-title {color: #<?php echo sanitize_hex_color_no_hash( $header_text_color ); ?>;}

        <?php endif; ?>
    </style>
<?php

}

/**
 * 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 vegan_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', 'vegan_skip_link_focus_fix' );

function vegan_register_block_styles() {

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

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

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

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

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

?>
