<?php
/**
 * The Box Theme Customizer
 *
 * @package The Box
 * @since The Box 1.0
 */


/**
 * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
 */
function thebox_customize_preview_js() {
	wp_enqueue_script( 'thebox_customizer', get_template_directory_uri() . '/js/customizer.js', array( 'customize-preview' ), '20130508', true );
}
add_action( 'customize_preview_init', 'thebox_customize_preview_js' );


/**
 * The Box Theme Settings
 */
function thebox_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';
	
	// Accent Color
	$wp_customize->add_setting( 'color_primary', array(
		'default' => '#0fa5d9',
		'type' => 'option', 
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_hex_color',
	) );
		
	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'color_primary', array(
		'label' => __( 'Accent Color', 'the-box' ),
		'section' => 'colors',
		'settings' => 'color_primary',
	) ) );
	
	// Footer Background
	$wp_customize->add_setting( 'color_footer', array(
		'default' => '#353535',
		'type' => 'option', 
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_hex_color',
	) );
	
	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'color_footer', array(
		'label' => __( 'Footer Background', 'the-box' ),
		'section' => 'colors',
		'settings' => 'color_footer',
	) ) );
	
	// The Box Panel
	$wp_customize->add_panel( 'thebox_panel', array(
    	'title' => __( 'Theme Settings', 'the-box' ),
		'priority' => 20,
	) );
	
	// Post Section
	$wp_customize->add_section( 'thebox_post_section' , array(
		'title' => __( 'Post', 'the-box' ),
		'priority' => 10,
		'panel' => 'thebox_panel',
	) );
	
	// Enable Featured Image
	$wp_customize->add_setting( 'thebox_enable_featured_image', array(
        'default' => '',
        'capability' => 'edit_theme_options',
		'type'       => 'option',
		'sanitize_callback' => 'thebox_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'thebox_enable_featured_image', array(
	    'label'    		=> __( 'Enable Featured Image', 'the-box' ),
	    'section'  		=> 'thebox_post_section',
	    'settings' 		=> 'thebox_enable_featured_image',
	    'type'     		=> 'checkbox',
	) );
	
	// Page Section
	$wp_customize->add_section( 'thebox_page_section' , array(
		'title' => __( 'Page', 'the-box' ),
		'priority' => 15,
		'panel' => 'thebox_panel',
	) );
	
	// Enable Featured Image
	$wp_customize->add_setting( 'thebox_page_featured_image', array(
		'default' => '',
        'capability' => 'edit_theme_options',
		'type'       => 'option',
		'sanitize_callback' => 'thebox_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'thebox_page_featured_image', array(
	    'label'    		=> __( 'Enable Featured Image', 'the-box' ),
	    'section'  		=> 'thebox_page_section',
	    'settings' 		=> 'thebox_page_featured_image',
	    'type'     		=> 'checkbox',
	) );
	
	// Social Links Section
	$wp_customize->add_section('thebox_social_section' , array(
	  	'title' => __('Social Links', 'the-box'),
	  	'priority' => 20,
	  	'description' => __('Paste here your Social Links.', 'the-box' ),
	  	'panel' => 'thebox_panel',
	) );
	
	// Backward compatibility for Theme versions older than 4.1.3
	if ( get_option( 'thebox_theme_options' ) ) { 
		$options = get_option( 'thebox_theme_options', '' ); // Old Theme Options Page Values
	} else {
		$options = array(
			'facebookurl' => '',
			'twitterurl' => '',
			'googleplusurl' => '',
			'linkedinurl' => '',
			'instagramurl' => '',
			'youtubeurl' => '',
			'pinteresturl' => '',
			'stumbleuponurl' => '',
			'flickrurl' => '',
			'tumblrurl' => '',
			'mediumurl' => '',
			'githuburl' => '',
		);
	}
	$wp_customize->add_setting( 'thebox_show_rss', array(
        'default' => 1,
        'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_sanitize_checkbox',
    ) );
   	
	$wp_customize->add_control( 'thebox_show_rss', array(
	    'label'    => __( 'Show the RSS Feed icon', 'the-box' ),
	    'section' => 'thebox_social_section',
	    'settings' => 'thebox_show_rss',
	    'type'     => 'checkbox',
	) );
	
	$wp_customize->add_setting( 'facebook_url', array(
        'default' => $options['facebookurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'facebook_url', array(
        'label' => __( 'Facebook Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'facebook_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'twitter_url', array(
        'default' => $options['twitterurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'twitter_url', array(
        'label' => __( 'Twitter Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'twitter_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'googleplus_url', array(
        'default' => $options['googleplusurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'googleplus_url', array(
        'label' => __( 'Google + Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'googleplus_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'linkedin_url', array(
        'default' => $options['linkedinurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'linkedin_url', array(
        'label' => __( 'Linkedin Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'linkedin_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'instagram_url', array(
        'default' => $options['instagramurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'instagram_url', array(
        'label' => __( 'Instagram Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'instagram_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'youtube_url', array(
        'default' => $options['youtubeurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'youtube_url', array(
        'label' => __( 'Youtube Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'youtube_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'pinterest_url', array(
        'default' => $options['pinteresturl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'pinterest_url', array(
        'label' => __( 'Pinterest Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'pinterest_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'stumbleupon_url', array(
        'default' => $options['stumbleuponurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'stumbleupon_url', array(
        'label' => __( 'StumbleUpon Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'stumbleupon_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'flickr_url', array(
        'default' => $options['flickrurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'flickr_url', array(
        'label' => __( 'Flickr Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'flickr_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'tumblr_url', array(
        'default' => $options['tumblrurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'tumblr_url', array(
        'label' => __( 'Tumblr Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'tumblr_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'medium_url', array(
        'default' => $options['mediumurl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'medium_url', array(
        'label' => __( 'Medium Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'medium_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'github_url', array(
        'default' => $options['githuburl'],
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'github_url', array(
        'label' => __( 'Github Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'github_url',
        'type' => 'text',
    ) );
    
    $wp_customize->add_setting( 'xing_url', array(
        'default' => '',
		'type' => 'option',
		'capability' => 'edit_theme_options',
        'sanitize_callback' => 'thebox_nohtml_sanitize',
    ) );
	
    $wp_customize->add_control( 'xing_url', array(
        'label' => __( 'Xing Url', 'the-box' ),
        'section' => 'thebox_social_section',
        'settings' => 'xing_url',
        'type' => 'text',
    ) );
	
}
add_action('customize_register', 'thebox_theme_customizer');


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


/**
 * Convert hex to rgb
 *
 */
function thebox_hex2rgb($hex) {
   $hex = str_replace("#", "", $hex);

   if(strlen($hex) == 3) {
      $r = hexdec(substr($hex,0,1).substr($hex,0,1));
      $g = hexdec(substr($hex,1,1).substr($hex,1,1));
      $b = hexdec(substr($hex,2,1).substr($hex,2,1));
   } else {
      $r = hexdec(substr($hex,0,2));
      $g = hexdec(substr($hex,2,2));
      $b = hexdec(substr($hex,4,2));
   }
   $rgb = array($r, $g, $b);
   return implode(",", $rgb); // returns the rgb values separated by commas
}


/**
 * Strips all of the HTML in the content
 *
 */ 
function thebox_nohtml_sanitize( $input ) {
    return wp_filter_nohtml_kses( esc_url_raw( $input ) );
}


/**
 * Get Contrast
 *
 */
function thebox_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 CSS in <head> for styles handled by the theme customizer
 *
 */
function thebox_custom_styles() {
	
	$accent_color = get_option('color_primary'); 
	$accent_color_rgb = thebox_hex2rgb($accent_color);
	$footer_bg = get_option('color_footer');
	
	$custom_style = "";
			
	// Accent Color
	if ( $accent_color != '' ) {
		$custom_style .= "
		.main-navigation,
		button,
		input[type='button'],
		input[type='reset'],
		input[type='submit'],
		.pagination .nav-links .current,
		.pagination .nav-links .current:hover,
		.pagination .nav-links a:hover {
		background-color: {$accent_color};	
		}
		button:hover,
		input[type='button']:hover,
		input[type='reset']:hover,
		input[type='submit']:hover {
		background-color: rgba({$accent_color_rgb}, 0.9);		
		}
		.entry-time {
		background-color: rgba({$accent_color_rgb}, 0.7);		
		}
		.site-header .main-navigation ul ul a:hover,
		.site-header .main-navigation ul ul a:focus,
	    .site-header .site-title a:hover,
	    .page-title a:hover,
	    .entry-title a:hover,
	    .entry-meta a:hover,
	    .entry-content a,
	    .entry-summary a,
		.entry-footer a,
	    .entry-footer .icon-font,
	    .author-bio a,
	    .comments-area a,
	    .page-title span,
		.edit-link a,
		.more-link,
		.post-navigation a,
		#secondary a,
		#secondary .widget_recent_comments a.url { 
	    color: {$accent_color};
	    }
	    .edit-link a {
		border-color: {$accent_color};
	    }";
		if ( thebox_get_brightness($accent_color) > 155) {
			$custom_style .= "	
			#search-submit, #submit {
			color: rgba(0,0,0,.8);
			}";
		}
	} // if $accent_color
	    
	// Footer Background
	if ( $footer_bg != '' ) {
		$custom_style .= "
		.site-footer {
		background-color: {$footer_bg};	
		}";
		if ( thebox_get_brightness($footer_bg) > 155) {
			$custom_style .= "
			.site-footer,
			.site-footer a,
			.site-footer a:hover {
			color: rgba(0,0,0,.8);
			}
			#tertiary {
			border-bottom-color: rgba(0,0,0,.05);
			}";	
		}
	} // if $footer_bg
	
	if ( $custom_style != '' ) { 
		wp_add_inline_style( 'thebox-style', $custom_style );
	}

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


/**
 * Upgrade Link
 */
function the_box_plus_customize_js() { ?>
	<script>
		jQuery('#customize-info').prepend('<div class="the-box-upgrade" style="background-color:#40a149;text-align:center;"><a style="display:block;color:#fff;padding:10px 14px" href="http://www.designlabthemes.com/the-box-plus-wordpress-theme/" target="_blank"><?php _e('View the Box Plus Upgrade', 'the-box'); ?> <span>&rarr;</span></a></div>');
	</script>
<?php }
add_action( 'customize_controls_print_footer_scripts', 'the_box_plus_customize_js' );