<?php
/**
 * Brilliant Customizer functionality
 *
 * @package Brilliant
 * @since Brilliant 1.0
 */


/**
 * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
 */
function brilliant_customize_preview_js() {
	wp_enqueue_script( 'brilliant_customizer', get_template_directory_uri() . '/js/customizer.js', array( 'customize-preview' ), '20161110', true );
}
add_action( 'customize_preview_init', 'brilliant_customize_preview_js' );


/**
 * Custom Classes
 */
if ( class_exists( 'WP_Customize_Control' ) ) {

	class Brilliant_Important_Links extends WP_Customize_Control {

    	public $type = "brilliant-important-links";
	
		public function render_content() {
        $important_links = array(
	        'upgrade' => array(
			'link' => esc_url('https://www.designlabthemes.com/brilliant-plus-wordpress-theme/?utm_source=wordpress&utm_campaign=brilliant&utm_content=customizer_link'),
			'text' => __('Try Brilliant Plus', 'brilliant'),
			),
			'theme' => array(
			'link' => esc_url('https://www.designlabthemes.com/brilliant-wordpress-theme/'),
			'text' => __('Theme Homepage', 'brilliant'),
			),
	        'documentation' => array(
			'link' => esc_url('https://www.designlabthemes.com/brilliant-documentation/'),
			'text' => __('Theme Documentation', 'brilliant'),
			),
			'rating' => array(
			'link' => esc_url('https://wordpress.org/support/theme/brilliant/reviews/#new-post'),
			'text' => __('Rate This Theme', 'brilliant'),
			),
			'twitter' => array(
			'link' => esc_url('https://twitter.com/designlabthemes'),
			'text' => __('Follow on Twitter', 'brilliant'),
			)
        );
        foreach ($important_links as $important_link) {
        	echo '<p><a class="button" target="_blank" href="' . esc_url( $important_link['link'] ). '" >' . esc_html($important_link['text']) . ' </a></p>';
        	}
    	}
	}

}


/**
 * Theme Settings
 */
function brilliant_theme_customizer( $wp_customize ) {
	
	// Add postMessage support for site title and description for the Theme Customizer.
	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';

	// Set to refresh the Background Color Setting
	$wp_customize->get_setting( 'background_color' )->transport = 'refresh';
	
	// Brilliant Links
	$wp_customize->add_section('brilliant_links_section', array(
		'priority' => 2,
		'title' => __('Brilliant Links', 'brilliant'),
	) );
	
	$wp_customize->add_setting('brilliant_links', array(
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'esc_url_raw',
	) );
	
	$wp_customize->add_control(new Brilliant_Important_Links($wp_customize, 'brilliant_links', array(
		'section' => 'brilliant_links_section',
	) ) );
	
	// Theme Settings
	$wp_customize->add_panel( 'brilliant_panel', array(
    	'title'		=> __( 'Theme Settings', 'brilliant' ),
		'priority'	=> 10,
	) );
	
	// General Section
	$wp_customize->add_section( 'general_section', array(
		'title'		=> __( 'General', 'brilliant' ),
		'priority'	=> 5,
		'panel'		=> 'brilliant_panel',
	) );
	
	// Read More Link
	$wp_customize->add_setting( 'show_read_more', array(
        'default' => 1,
        'sanitize_callback' => 'brilliant_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'show_read_more', array(
	    'label'    => __( 'Display Read More Link', 'brilliant' ),
	    'section'  => 'general_section',
	    'type'     => 'checkbox',
	) );
	
	 // Header Section
	$wp_customize->add_section( 'header_section', array(
		'title'       => __( 'Header', 'brilliant' ),
		'priority'    => 10,
		'panel' => 'brilliant_panel',
	) );
	
	// Header Styles
	$wp_customize->add_setting( 'header_layout', array(
        'default' => 'head-center1',
        'sanitize_callback' => 'brilliant_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'header_layout', array(
	    'label'    => __( 'Styles', 'brilliant' ),
	    'section'  => 'header_section',
	    'type'     => 'radio',
		'choices'  => array(
			'head-left1' => __('1: Site Title on the left and Navigation on the right', 'brilliant'),
			'head-center1' => __('2: Site Title centered and Navigation below', 'brilliant'),
	) ) );
	
	// Blog Section
	$wp_customize->add_section( 'blog_section', array(
		'title'       => __( 'Blog', 'brilliant' ),
		'priority'    => 15,
		'panel' => 'brilliant_panel',
		'description'	=> __( 'Settings for Blog Posts Index Page.', 'brilliant' ),
	) );
	
	// Blog Layout
	$wp_customize->add_setting( 'blog_layout', array(
        'default' => 'blog-layout4',
        'sanitize_callback' => 'brilliant_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'blog_layout', array(
	    'label'    => __( 'Layout', 'brilliant' ),
	    'section'  => 'blog_section',
	    'type'     => 'radio',
		'choices'  => array(
			'blog-layout1' => __('Classic: Large Posts + Sidebar', 'brilliant'),
			'blog-layout2' => __('Grid: Two Columns + Sidebar', 'brilliant'),
			'blog-layout3' => __('First Overlay Post then Large + Sidebar', 'brilliant'),
			'blog-layout4' => __('First Overlay Post then Grid + Sidebar', 'brilliant'),
			),
	) );
	
	// Blog Excerpt Length
	$wp_customize->add_setting( 'blog_excerpt_length', array(
        'default' => 25,
        'sanitize_callback' => 'absint',
    ) );
	
	$wp_customize->add_control( 'blog_excerpt_length', array(
	    'label'    => __( 'Excerpt length', 'brilliant' ),
	    'section'  => 'blog_section',
	    'type'     => 'number',
	) );
	
	// Archives Section
	$wp_customize->add_section( 'archive_section', array(
		'title'       => __( 'Categories & Archives', 'brilliant' ),
		'priority'    => 20,
		'panel' => 'brilliant_panel',
		'description'	=> __( 'Settings for Category, Tag, Search and Archive Pages.', 'brilliant' ),
	) );
	
	// Archives Layout
	$wp_customize->add_setting( 'archive_layout', array(
        'default' => 'archive-layout2',
        'sanitize_callback' => 'brilliant_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'archive_layout', array(
	    'label'    => __( 'Layout', 'brilliant' ),
	    'section'  => 'archive_section',
	    'type'     => 'radio',
		'choices'  => array(
			'archive-layout1' => __('Classic: Large Posts + Sidebar', 'brilliant'),
			'archive-layout2' => __('Grid: Two Columns + Sidebar', 'brilliant'),
			),
	) );
	
	// Archives Excerpt Length
	$wp_customize->add_setting( 'archive_excerpt_length', array(
        'default' => 25,
        'sanitize_callback' => 'absint',
    ) );
	
	$wp_customize->add_control( 'archive_excerpt_length', array(
	    'label'    => __( 'Excerpt length', 'brilliant' ),
	    'section'  => 'archive_section',
	    'type'     => 'number',
	) );
		
	// Post Section
	$wp_customize->add_section( 'post_section', array(
		'title'       => __( 'Post', 'brilliant' ),
		'priority'    => 25,
		'panel' => 'brilliant_panel',
	) );
	
	// Featured Image
	$wp_customize->add_setting( 'post_has_featured_image', array(
        'default' => 1,
        'sanitize_callback' => 'brilliant_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'post_has_featured_image', array(
	    'label'    => __( 'Display Featured Image', 'brilliant' ),
	    'section'  => 'post_section',
	    'type'     => 'checkbox',
	) );
	
	// Featured Image Style
	$wp_customize->add_setting( 'post_featured_image_size', array(
        'default' => 'overlay',
        'sanitize_callback' => 'brilliant_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'post_featured_image_size', array(
	    'description' => __( 'Featured Image Style', 'brilliant' ),
	    'section'  => 'post_section',
	    'type'     => 'radio',
		'choices'  => array(
			'onecolumn' => __('One Column', 'brilliant'),
			'overlay' => __('Overlay (images must be at least 1160px)', 'brilliant'),
			),
		'active_callback' => 'brilliant_post_has_featured_image',
	) );
	
	// Author Bio
	$wp_customize->add_setting( 'show_author_bio', array(
        'default' => '',
        'sanitize_callback' => 'brilliant_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'show_author_bio', array(
	    'label'    => __( 'Display Author Bio', 'brilliant' ),
	    'section'  => 'post_section',
	    'type'     => 'checkbox',
	) );
	
	// Page Section
	$wp_customize->add_section( 'page_section', array(
		'title'       => __( 'Page', 'brilliant' ),
		'priority'    => 30,
		'panel' => 'brilliant_panel',
	) );
	
	// Featured Image
	$wp_customize->add_setting( 'page_has_featured_image', array(
        'default' => 1,
        'sanitize_callback' => 'brilliant_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'page_has_featured_image', array(
	    'label'    => __( 'Display Featured Image', 'brilliant' ),
	    'section'  => 'page_section',
	    'type'     => 'checkbox',
	) );
	
	// Featured Image Style
	$wp_customize->add_setting( 'page_featured_image_size', array(
        'default' => 'overlay',
        'sanitize_callback' => 'brilliant_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'page_featured_image_size', array(
	    'description' => __( 'Featured Image Style', 'brilliant' ),
	    'section'  => 'page_section',
	    'type'     => 'radio',
		'choices'  => array(
			'onecolumn' => __('One Column', 'brilliant'),
			'overlay' => __('Overlay (images must be at least 1160px)', 'brilliant'),
			),
		'active_callback' => 'brilliant_page_has_featured_image',
	) );

	// Logo Max Width (desktop)
	$wp_customize->add_setting( 'logo_width_lg', array(
        'default' => 260,
        'sanitize_callback' => 'absint',
	) );
	
	$wp_customize->add_control( 'logo_width_lg', array(	
        'label' => __( 'Logo Max Width (desktop)', 'brilliant' ),
        'section'  => 'title_tagline',
        'type'     => 'number',
        'priority' => 9, 
    ) );
	
	// Logo Max Width (mobile)
	$wp_customize->add_setting( 'logo_width_sm', array(
        'default' => 180,
        'sanitize_callback' => 'absint',
	) );
	
	$wp_customize->add_control( 'logo_width_sm', array(	
        'label' => __( 'Logo Max Width (mobile)', 'brilliant' ),
        'section'  => 'title_tagline',
        'type'     => 'number',
        'priority' => 9,
    ) );
    
    // Accent Color
	$wp_customize->add_setting( 'accent_color', array(
		'default' => '#e63855',
		'sanitize_callback' => 'sanitize_hex_color',
	) );
	
	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'accent_color', array(
		'label' => __( 'Accent Color', 'brilliant' ),
		'section' => 'colors',
	) ) );
	
	// Site Title Color
	$wp_customize->add_setting( 'site_title_color', array(
		'default' => '#000000',
		'sanitize_callback' => 'sanitize_hex_color',
	) );
	
	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'site_title_color', array(
		'label' => __( 'Site Title', 'brilliant' ),
		'section' => 'colors',
	) ) );
	
	// Site Tagline Color
	$wp_customize->add_setting( 'site_tagline_color', array(
		'default' => '#666666',
		'sanitize_callback' => 'sanitize_hex_color',
	) );
	
	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'site_tagline_color', array(
		'label' => __( 'Site Tagline', 'brilliant' ),
		'section' => 'colors',
	) ) );
	
	// Footer Background
	$wp_customize->add_setting( 'footer_bg', array(
		'default' => '#1b2126',
		'sanitize_callback' => 'sanitize_hex_color',
	) );
	
	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'footer_bg', array(
		'label' => __( 'Footer background', 'brilliant' ),
		'section' => 'colors',
	) ) );

}
add_action('customize_register', 'brilliant_theme_customizer');


/**
 * Sanitize Checkbox
 *
 */ 
function brilliant_sanitize_checkbox( $input ) {
    if ( $input == 1 ) {
        return 1;
    } else {
        return '';
    }
}


/**
 * Sanitize Radio Buttons and Select Lists
 *
 */
function brilliant_sanitize_choices( $input, $setting ) {
    global $wp_customize;
 
    $control = $wp_customize->get_control( $setting->id );
 
    if ( array_key_exists( $input, $control->choices ) ) {
        return $input;
    } else {
        return $setting->default;
    }
}


/**
 * Checks if Single Post has featured image.
 */
function brilliant_post_has_featured_image( $control ) {
    if ( $control->manager->get_setting('post_has_featured_image')->value() == 1 ) {
		return true;
    } else {
        return false;
    }
}


/**
 * Checks if Page has featured image.
 */
function brilliant_page_has_featured_image( $control ) {
    if ( $control->manager->get_setting('page_has_featured_image')->value() == 1 ) {
		return true;
    } else {
        return false;
    }
}


/**
 * Get Contrast
 *
 */
function brilliant_get_brightness($hex) {
 // returns brightness value from 0 to 255
 // strip off any leading #
 $hex = str_replace('#', '', $hex);

 $c_r = hexdec(substr($hex, 0, 2));
 $c_g = hexdec(substr($hex, 2, 2));
 $c_b = hexdec(substr($hex, 4, 2));

 return (($c_r * 299) + ($c_g * 587) + ($c_b * 114)) / 1000;
}


/**
 * Add inline CSS for styles handled by the Theme customizer
 *
 */
function brilliant_add_styles() { 
	$logo_w_desktop = esc_attr( get_theme_mod('logo_width_lg', 260) );
	$logo_w_mobile = esc_attr( get_theme_mod('logo_width_sm', 180) );
	
	$accent_color = esc_attr( get_theme_mod('accent_color') );
	$site_title_color = esc_attr( get_theme_mod('site_title_color') );
	$site_tagline_color = esc_attr( get_theme_mod('site_tagline_color') );
	$footer_bg = esc_attr( get_theme_mod('footer_bg') ); 
	
	$custom_styles = "";
	
	// Logo Size
	if ( $logo_w_mobile != '' ) {
		$custom_styles .= "
		@media screen and (max-width: 480px) {
		.custom-logo {max-width: {$logo_w_mobile}px;}
		}";
	}
	if ( $logo_w_desktop != '' ) {
		$custom_styles .= "
		@media screen and (min-width: 481px) {
		.custom-logo {max-width: {$logo_w_desktop}px;}
		}";
	}
	
	// Accent Color
	if ( $accent_color != '' ) {
		$custom_styles .= "
		a, a:hover, .site-info a:hover, .widget a:hover, .comment-metadata a:hover,
		.site-title a:hover, .entry-title a:hover,
		.posts-navigation a:hover, .cover .read-more, .large-post .read-more,
		.main-navigation ul li:hover > a, .main-navigation ul li:focus > a, .main-navigation .woo-cart-link a:hover,
		.main-navigation > ul > li.current_page_item > a, .main-navigation > ul > li.current-menu-item > a,
		.dropdown-toggle:hover, .dropdown-toggle:focus {
		color: {$accent_color};
		}
		button, input[type='button'], input[type='reset'], input[type='submit'], .cover .read-more:hover, .large-post .read-more:hover, .sidebar .widget_tag_cloud a:hover, .reply a:hover {
		background-color: {$accent_color};
		}
		.cover .read-more, .large-post .read-more, .reply a {
		border-color: {$accent_color};
		}
		.format-audio .entry-thumbnail:after, .format-gallery .entry-thumbnail:after, .format-image .entry-thumbnail:after, .format-quote .entry-thumbnail:after, .format-video .entry-thumbnail:after {
		border-top-color: {$accent_color};
		}";
		if ( brilliant_get_brightness($accent_color) > 155) {
			$custom_styles .= "
			button, input[type='button'], input[type='reset'], input[type='submit'], .cover .read-more:hover, .large-post .read-more:hover, .sidebar .widget_tag_cloud a:hover, .reply a:hover,
			.format-audio .entry-thumbnail:before, .format-gallery .entry-thumbnail:before, .format-image .entry-thumbnail:before, .format-quote .entry-thumbnail:before, .format-video .entry-thumbnail:before {
			color: rgba(0,0,0,.7);
			}";
		}
	}
	
	// Site Title Color
	if ( $site_title_color != '' ) {
		$custom_styles .= "
		.site-title a, .site-title a:hover {color: {$site_title_color};}
		.site-title a:hover {opacity: .7;}
		";
	}
	
	// Site Tagline Color
	if ( $site_tagline_color != '' ) {
		$custom_styles .= ".site-description {color: {$site_tagline_color};}";
	}
	
	// Footer Background
	if ( $footer_bg != '' ) {
		$custom_styles .= " .site-footer {background-color: {$footer_bg};}";
	
		if ( brilliant_get_brightness($footer_bg) > 155) {
		$custom_styles .= "
			.site-footer {
			border-top: 1px solid rgba(0,0,0,.08);
			}
			.site-info, .site-credits,
			.site-footer .widget-area  {
			color: rgba(0,0,0,.7);
			}
			.site-info a, .site-footer .site-info a:hover, .site-footer .widget-title,
			.site-footer .widget a, .site-footer .widget a:hover {
			color: rgba(0,0,0,.8);
			}
			.site-footer .widget-area ul li {
			border-bottom-color: rgba(0,0,0,.05);
			}
			.site-footer .widget_tag_cloud a {
			border-color: rgba(0,0,0,.05);
			background-color: rgba(0,0,0,.05);
			}";
		}
	}
	
	// Add Custom Styles if Body Background is white
	$background_color = get_background_color();
	if ( $background_color == 'ffffff' ) {
		$custom_styles .= "
		.hentry, .no-results, .widget, .related-posts, .posts-navigation, .post-navigation, .comments-area, .author-info {
		box-shadow: none;
		}
		.posts-loop .entry-header, .posts-loop .entry-summary, .posts-loop .entry-footer,
		.entry-header, .entry-content, .entry-footer, .author-info, .comments-area {
		padding-left: 0;padding-right: 0;
		}
		.sidebar .widget {padding: 0;}
		@media screen and (min-width: 600px) {
		.list-post {padding: 0;margin-bottom: 30px;}
		}";
	}
		
	if ( $custom_styles != '' ) { 
		wp_add_inline_style( 'brilliant-style', $custom_styles );
	}

}
add_action( 'wp_enqueue_scripts', 'brilliant_add_styles' );