<?php
/**
 * Brilliant Theme Customizer.
 *
 * @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' ), '20151215', true );
}
add_action( 'customize_preview_init', 'brilliant_customize_preview_js' );


/**
 * Brilliant Theme Customizer
 */
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';
	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
		
	// Theme Settings
	$wp_customize->add_panel( 'dl_panel', array(
    	'title' => 'Theme Settings',
		'priority' => 10,
	) );
	
	 // Logo Section
	$wp_customize->add_section( 'dl_logo_section', array(
		'title'       => __( 'Logo', 'brilliant' ),
		'description'       => __( 'To upload your Logo go to Customizer -> Site Identity. Need WordPress 4.5+', 'brilliant' ),
		'priority'    => 5,
		'panel' => 'dl_panel',
	) );
	
	// Logo Max Width (desktop)
	$wp_customize->add_setting( 'dl_logo_width_desktop', array(
        'default' => 240,
        'sanitize_callback' => 'dl_sanitize_integer',
	) );
	
	$wp_customize->add_control( 'dl_logo_width_desktop', array(	
        'label' => __( 'Max Width (desktop)', 'brilliant' ),
        'section'  => 'dl_logo_section',
        'settings' => 'dl_logo_width_desktop',
        'type'     => 'number',
    ) );
	
	// Logo Max Width (mobile)
	$wp_customize->add_setting( 'dl_logo_width_mobile', array(
        'default' => 180,
        'sanitize_callback' => 'dl_sanitize_integer',
	) );
	
	$wp_customize->add_control( 'dl_logo_width_mobile', array(	
        'label' => __( 'Max Width (mobile)', 'brilliant' ),
        'section'  => 'dl_logo_section',
        'settings' => 'dl_logo_width_mobile',
        'type'     => 'number',
    ) );
    
    // Header Section
	$wp_customize->add_section( 'dl_header_section', array(
		'title'       => __( 'Header', 'brilliant' ),
		'priority'    => 10,
		'panel' => 'dl_panel',
	) );
	
	// Homepage Section
	$wp_customize->add_section( 'dl_home_section', array(
		'title'       => __( 'Homepage', 'brilliant' ),
		'priority'    => 15,
		'panel' => 'dl_panel',
		'description'	=> __( 'Settings for Homepage.', 'brilliant' ),
	) );
	
	// Homepage Styles
	$wp_customize->add_setting( 'dl_home_style', array(
        'default' => 'home1',
        'sanitize_callback' => 'dl_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'dl_home_style', array(
	    'label'    => __( 'Homepage Styles', 'brilliant' ),
	    'section'  => 'dl_home_section',
	    'settings' => 'dl_home_style',
	    'type'     => 'radio',
		'choices'  => array(
			'home0' => __('Classic: One Column Posts + Sidebar', 'brilliant'),
			'home1' => __('Fashion: First Article Fullwidth, two Column Posts + Sidebar', 'brilliant'),
			'home2' => __('Modern: First Article Fullwidth, one Column Posts + Sidebar', 'brilliant'),
			),
	) );
	
	// Blog Section
	$wp_customize->add_section( 'dl_blog_section', array(
		'title'       => __( 'Blog', 'brilliant' ),
		'priority'    => 20,
		'panel' => 'dl_panel',
		'description'	=> __( 'Settings for Category, Tag, Search result, Author and Archive Pages.', 'brilliant' ),
	) );
	
	// Blog Styles
	$wp_customize->add_setting( 'dl_blog_style', array(
        'default' => 'blog1',
        'sanitize_callback' => 'dl_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'dl_blog_style', array(
	    'label'    => __( 'Blog Styles', 'brilliant' ),
	    'section'  => 'dl_blog_section',
	    'settings' => 'dl_blog_style',
	    'type'     => 'radio',
		'choices'  => array(
			'blog0' => __('Classic: One Column Posts + Sidebar', 'brilliant'),
			'blog1' => __('Fashion: Two Column Posts + Sidebar', 'brilliant'),
			),
	) );
	
	// Post Section
	$wp_customize->add_section( 'dl_post_section', array(
		'title'       => __( 'Post', 'brilliant' ),
		'priority'    => 25,
		'panel' => 'dl_panel',
	) );
	
	// Feauted Image
	$wp_customize->add_setting( 'dl_post_featured_image', array(
        'default' => 1,
        'sanitize_callback' => 'dl_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'dl_post_featured_image', array(
	    'label'    => __( 'Show Featured Image', 'brilliant' ),
	    'section'  => 'dl_post_section',
	    'settings' => 'dl_post_featured_image',
	    'type'     => 'checkbox',
	) );
	
	// Featured Image Size
	$wp_customize->add_setting( 'dl_post_featured_image_size', array(
        'default' => 'fullwidth',
        'sanitize_callback' => 'dl_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'dl_post_featured_image_size', array(
	    'description' => __( 'Featured Image Size', 'brilliant' ),
	    'section'  => 'dl_post_section',
	    'settings' => 'dl_post_featured_image_size',
	    'type'     => 'radio',
		'choices'  => array(
			'onecolumn' => __('One Column Width', 'brilliant'),
			'fullwidth' => __('Full Width (images must be at least 1160px)', 'brilliant'),
			),
		'active_callback' => 'post_has_featured_image',
	) );
	
	// Page Section
	$wp_customize->add_section( 'dl_page_section', array(
		'title'       => __( 'Page', 'brilliant' ),
		'priority'    => 30,
		'panel' => 'dl_panel',
	) );
	
	// Feauted Image
	$wp_customize->add_setting( 'dl_page_featured_image', array(
        'default' => 1,
        'sanitize_callback' => 'dl_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'dl_page_featured_image', array(
	    'label'    => __( 'Show Featured Image', 'brilliant' ),
	    'section'  => 'dl_page_section',
	    'settings' => 'dl_page_featured_image',
	    'type'     => 'checkbox',
	) );
	
	// Featured Image Size
	$wp_customize->add_setting( 'dl_page_featured_image_size', array(
        'default' => 'fullwidth',
        'sanitize_callback' => 'dl_sanitize_choices',
    ) );
   	   	
	$wp_customize->add_control( 'dl_page_featured_image_size', array(
	    'description' => __( 'Featured Image Size', 'brilliant' ),
	    'section'  => 'dl_page_section',
	    'settings' => 'dl_page_featured_image_size',
	    'type'     => 'radio',
		'choices'  => array(
			'onecolumn' => __('One Column Width', 'brilliant'),
			'fullwidth' => __('Full Width (images must be at least 1160px)', 'brilliant'),
			),
		'active_callback' => 'page_has_featured_image',
	) );
	
	// Accent Color
	$wp_customize->add_setting( 'accent_color', array(
		'default' => '#e52e7a',
		'type' => 'option', 
		'capability' => 'edit_theme_options',
		'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',
		'settings' => 'accent_color',
	) ) );
	
	$wp_customize->add_setting( 'footer_bg', array(
		'default' => '#1b2126',
		'type' => 'option', 
		'capability' => 'edit_theme_options',
		'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',
		'settings' => 'footer_bg',
	) ) );
	
}
add_action('customize_register', 'brilliant_theme_customizer');


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


/**
 * Sanitize Radio Buttons and Select Lists
 *
 */
function dl_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;
    }
}


/**
 * Sanitizes text: only safe HTML tags (the same tags that are allowed in a standard WordPress post)
 *
 */
function dl_sanitize_text( $input ) {
    return wp_kses_post( $input );
}


/**
 * Sanitize Social Links
 *
 */ 
function social_links_sanitize( $input ) {
    return wp_filter_nohtml_kses( esc_url_raw( $input ) );
}


/**
 * Sanitize Numbers
 *
 */
function dl_sanitize_integer( $input ) {
	return intval( $input );
}


/**
 * Empty Sanitize
 *
 */
function empty_sanitize( $value ) {
	return $value;
}


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


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


/**
 * Get Contrast
 *
 */
function 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;
}


/**
 * Homepage Classes
 *
 */
function home_loop_classes() {
	$home_style = get_theme_mod('dl_home_style', 'home1');

	switch ($home_style) {
	case "home1":
    $home_classes = 'flex-row home-style-1';
    break;
	case "home2":
    $home_classes = 'home-style-2';
    break;
	default:
    $home_classes = '';
	}
	echo $home_classes;
} 


/**
 * Blog Classes
 *
 */
function blog_loop_classes() {
	$blog_style = get_theme_mod('dl_blog_style', 'blog1');

	switch ($blog_style) {
	case "blog1":
    $blog_classes = 'flex-row blog-style-1';
    break;
	default:
    $blog_classes = '';
	}
	echo $blog_classes;
}


/**
 * Add CSS in <head> for styles handled by the theme customizer
 *
 */

function add_brilliant_styles() { 
	$accent_color = get_option('accent_color');
	$footer_bg = get_option('footer_bg'); 
	?>
	
	<!-- Custom Styles -->
	<style type="text/css">
	
	<?php // Accent Color
	if ( $accent_color != '' ) { ?>
	a, a:hover, a:focus, a:active, .site-info a:hover, .widget a:hover, .comment-metadata a:hover,
	.site-title a:hover, .entry-header h1 a:hover, .entry-header h2 a:hover,
	.posts-loop .nav-previous a, .posts-navigation a:hover, .cover .read-more,
	.main-navigation li:hover > a, .main-navigation li:focus > a,
	.main-navigation .current_page_item > a, .main-navigation .current-menu-item > a,
	.main-navigation .current_page_ancestor > a, .main-navigation .current-menu-ancestor > a,
	.dropdown-toggle:hover, .dropdown-toggle:focus {
	color: <?php echo $accent_color; ?>;
	}
	button, input[type="button"], input[type="reset"], input[type="submit"] {
	background-color: <?php echo $accent_color; ?>;
	}
	.cover .read-more, .reply a {border-color: <?php echo $accent_color; ?>;}
	
	<?php if ( get_brightness($accent_color) > 156) { ?>
		button, input[type="button"], input[type="reset"], input[type="submit"]  {
		color: rgba(0,0,0,.7);
		}
	<?php } else { ?>
		button, input[type="button"], input[type="reset"], input[type="submit"] {
		color: #fff;
		}
	<?php } ?>
	
	<?php
	} // if $accent_color
	?>
	
	<?php // Footer Background
	if ( $footer_bg != '' ) { ?>
	.site-footer {background-color: <?php echo $footer_bg; ?>;}
	
	<?php if ( get_brightness($footer_bg) > 156) { ?>
		.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-info a:hover,
		.site-footer .widget a, .site-footer .widget a:hover {
		color: rgba(0,0,0,.8);
		}
		.site-footer .widget-title {
		color: rgba(0,0,0,.8);	
		}
		.site-footer .widget-area ul li {
		border-bottom-color: rgba(0,0,0,.05);
		}
	<?php } else { ?>
		.site-info, .site-credits {
		color: rgba(255,255,255,0.7);
		}
		.site-info a, .site-info a:hover {
		color: #fff;
		}
	<?php } ?>
	
	<?php
	} // if $footer_bg
	?>
	
	<?php // Logo Size
	$logo_w_desktop = get_theme_mod('dl_logo_width_desktop', 240);
	$logo_w_mobile = get_theme_mod('dl_logo_width_mobile', 180);
	
	if ( $logo_w_mobile != '' ) { ?>
		@media screen and (max-width: 480px) {
		.custom-logo {max-width: <?php echo $logo_w_mobile; ?>px;}
		}
	<?php } ?>
	
	<?php if ( $logo_w_desktop != '' ) { ?>
		@media screen and (min-width: 481px) {
		.custom-logo {max-width: <?php echo $logo_w_desktop; ?>px;}
		}
	<?php } ?>
	
	</style>
	<?php 
	}
add_action('wp_head', 'add_brilliant_styles');