<?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' ), '20161110', 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( 'brilliant_panel', array(
    	'title' => 'Theme Settings',
		'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',
	    'settings' => 'show_read_more',
	    'type'     => 'checkbox',
	) );
		    
    // Header Section
	$wp_customize->add_section( 'header_section', array(
		'title'       => __( 'Header', 'brilliant' ),
		'priority'    => 10,
		'panel' => 'brilliant_panel',
	) );
	
	// 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',
	    'settings' => 'blog_layout',
	    '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' => 'brilliant_sanitize_integer',
    ) );
	
	$wp_customize->add_control( 'blog_excerpt_length', array(
	    'label'    => __( 'Excerpt length', 'brilliant' ),
	    'section'  => 'blog_section',
	    'settings' => 'blog_excerpt_length',
	    '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',
	    'settings' => 'archive_layout',
	    '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' => 'brilliant_sanitize_integer',
    ) );
	
	$wp_customize->add_control( 'archive_excerpt_length', array(
	    'label'    => __( 'Excerpt length', 'brilliant' ),
	    'section'  => 'archive_section',
	    'settings' => 'archive_excerpt_length',
	    'type'     => 'number',
	) );
		
	// Post Section
	$wp_customize->add_section( 'post_section', array(
		'title'       => __( 'Post', 'brilliant' ),
		'priority'    => 25,
		'panel' => 'brilliant_panel',
	) );
	
	// Feauted 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',
	    'settings' => 'post_has_featured_image',
	    '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',
	    'settings' => 'post_featured_image_size',
	    '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' => '',
        'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'brilliant_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'show_author_bio', array(
	    'label'    => __( 'Display Author Bio', 'brilliant' ),
	    'section'  => 'post_section',
	    'settings' => 'show_author_bio',
	    'type'     => 'checkbox',
	) );
	
	// Page Section
	$wp_customize->add_section( 'page_section', array(
		'title'       => __( 'Page', 'brilliant' ),
		'priority'    => 30,
		'panel' => 'brilliant_panel',
	) );
	
	// Feauted 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',
	    'settings' => 'page_has_featured_image',
	    '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',
	    'settings' => 'page_featured_image_size',
	    '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' => 240,
        'sanitize_callback' => 'brilliant_sanitize_integer',
	) );
	
	$wp_customize->add_control( 'logo_width_lg', array(	
        'label' => __( 'Logo Max Width (desktop)', 'brilliant' ),
        'section'  => 'title_tagline',
        'settings' => 'logo_width_lg',
        'type'     => 'number',
        'priority' => 9, 
    ) );
	
	// Logo Max Width (mobile)
	$wp_customize->add_setting( 'logo_width_sm', array(
        'default' => 180,
        'sanitize_callback' => 'brilliant_sanitize_integer',
	) );
	
	$wp_customize->add_control( 'logo_width_sm', array(	
        'label' => __( 'Logo Max Width (mobile)', 'brilliant' ),
        'section'  => 'title_tagline',
        'settings' => 'logo_width_sm',
        'type'     => 'number',
        'priority' => 9,
    ) );
    
    // 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',
	) ) );
	
	// Footer Background
	$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 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;
    }
}


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


/**
 * 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() { 
	$accent_color = esc_attr( get_option('accent_color') );
	$footer_bg = esc_attr( get_option('footer_bg') ); 
	$logo_w_desktop = esc_attr( get_theme_mod('logo_width_lg', 240) );
	$logo_w_mobile = esc_attr( get_theme_mod('logo_width_sm', 180) );
	
	$custom_styles = "";
	
	// Accent Color
	if ( $accent_color != '' ) {
	$custom_styles .= "
	a, a:hover, a:focus, a:active, .site-info a:hover, .widget a:hover, .comment-metadata a:hover,
	.site-title a:hover, .entry-header h1 a:hover, .entry-header h2 a:hover,
	.posts-navigation a:hover, .cover .read-more, .large-post .read-more,
	.main-navigation li:hover > a, .main-navigation li:focus > a,
	.main-navigation .current_page_item > a, .main-navigation .current-menu-item > a,
	.main-navigation .current_page_ancestor > a, .main-navigation .current-menu-ancestor > a,
	.dropdown-toggle:hover, .dropdown-toggle:focus {
	color: {$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};
	}";
		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 {
			color: rgba(0,0,0,.7);
			}";
		} else {
			$custom_styles .= "
			button, input[type='button'], input[type='reset'], input[type='submit'], .cover .read-more:hover, .large-post .read-more:hover {
			color: #fff;
			}";
		}
	} // if $accent_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-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);
		}
		.site-footer .widget_tag_cloud a {
		border-color: rgba(0,0,0,.05);
		background-color: rgba(0,0,0,.05);
		}";
		}
	} // if $footer_bg
	
	// Logo Size
	if ( $logo_w_mobile != '' ) {
	$custom_styles .= "
		@media screen and (max-width: 480px) {
		.custom-logo {max-width: <?php echo $logo_w_mobile; ?>px;}
		}";
	}
	if ( $logo_w_desktop != '' ) {
	$custom_styles .= "
		@media screen and (min-width: 481px) {
		.custom-logo {max-width: <?php echo $logo_w_desktop; ?>px;}
		}";
	}
	
	if ( $custom_styles != '' ) { 
		wp_add_inline_style( 'brilliant-style', $custom_styles );
	}

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