<?php

function sitebg_customizer_live_preview() {
    wp_enqueue_script( 
        'cameleon-style-customizer', get_template_directory_uri().'/js/theme-customizer.js', array( 'jquery','customize-preview' ), '', true
    );
}
add_action( 'customize_preview_init', 'sitebg_customizer_live_preview' );

class sitebg_customize {
    
    public static function register ( $wp_customize ) {
        
        $wp_customize->add_section( 'custom_site_backgrounds_colors', 
                                   array(
                                       'title' => __( 'Site backgrounds', 'cameleon' ), 
                                       'priority' => 22,
                                       'capability' => 'edit_theme_options',
                                       'description' => __('Customize site backgrounds', 'cameleon'),
                                   ) 
                                  );
        
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting TITLE BOX background
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_title_box_background', 
                                   array(
                                       'default' => '#000',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'postMessage',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_title_box_background',
            array(
                'label' => __( 'Site title background-color', 'cameleon' ),
                'section' => 'custom_site_backgrounds_colors',
                'settings' => 'custom_title_box_background',
                'priority' => 10,
            ) 
        ) );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting NAVIGATION background
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_nav_background',
                                   array(
                                       'default' => '#5d5d5d',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'postMessage',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_nav_background',
            array(
                'label' => __( 'Navigation background color', 'cameleon' ),
                'section' => 'custom_site_backgrounds_colors',
                'settings' => 'custom_nav_background',
                'priority' => 10,
            ) 
        ) );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting SIDEBAR background
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_sidebar_background',
                                   array(
                                       'default' => '#ffffff',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'postMessage',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control( 
            $wp_customize,
            'cameleon_custom_sidebar_background',
            array(
                'label' => __( 'Sidebar background color', 'cameleon' ),
                'section' => 'custom_site_backgrounds_colors',
                'settings' => 'custom_sidebar_background',
                'priority' => 10,
            ) 
        ) );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting SECTION background
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_section_background',
                                   array(
                                       'default' => '#eaeaea',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'postMessage',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_section_background',
            array(
                'label' => __( 'Main section background color', 'cameleon' ),
                'section' => 'custom_site_backgrounds_colors',
                'settings' => 'custom_section_background',
                'priority' => 10,
            ) 
        ) );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting footer aside background
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_footer_aside_background',
                                   array(
                                       'default' => '#000000',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'postMessage',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_footer_aside_background',
            array(
                'label' => __( 'Footer sidebar background color', 'cameleon' ),
                'section' => 'custom_site_backgrounds_colors',
                'settings' => 'custom_footer_aside_background',
                'priority' => 10,
            ) 
        ) );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting footer section background
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_footer_section_background',
                                   array(
                                       'default' => '#5d5d5d',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'postMessage',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_footer_section_background',
            array(
                'label' => __( 'Footer main section background color', 'cameleon' ),
                'section' => 'custom_site_backgrounds_colors',
                'settings' => 'custom_footer_section_background',
                'priority' => 10,
            ) 
        ) );
    }
    
    public static function header_output() { ?>

<style type="text/css">
    <?php self::generate_css('.theme-name', 'background-color', 'custom_title_box_background'); ?>
    <?php self::generate_css('#header-nav', 'background-color', 'custom_nav_background'); ?>
    <?php self::generate_css('.custom_sidebar_box_color', 'background-color', 'custom_sidebar_background'); ?>
    <?php self::generate_css('.custom_widget_section_box_color', 'background-color', 'custom_section_background'); ?>
    <?php self::generate_css('.gallery-overlay', 'background-color', 'custom_section_background'); ?>
    <?php self::generate_css('.footer-sidebar', 'background-color', 'custom_footer_aside_background'); ?>
    <?php self::generate_css('.footer-section', 'background-color', 'custom_footer_section_background'); ?>
</style>

<?php }
    
    public static function live_preview() {
        wp_enqueue_script( 
            'cameleon-style-customizer',
            get_template_directory_uri() . '/js/theme-customizer.js',
            array(  'jquery', 'customize-preview' ),
            '',
            true
        );
    }
    
    public static function generate_css( $selector, $style, $mod_name, $prefix='', $postfix='', $echo=true ) {
        $return = '';
        $mod = get_theme_mod($mod_name);
        if ( ! empty( $mod ) ) {
            $return = sprintf('%s { %s:%s; }',
                              $selector,
                              $style,
                              $prefix.$mod.$postfix
                             );
            if ( $echo ) {
                echo $return;
            }
        }
        return $return;
    }
}

// Setup the Theme Customizer settings and controls...
add_action( 'customize_register' , array( 'sitebg_customize' , 'register' ) );

// Output custom CSS to live site
add_action( 'wp_head' , array( 'sitebg_customize' , 'header_output' ) );

// Enqueue live preview javascript in Theme Customizer admin screen
add_action( 'customize_preview_init' , array( 'sitebg_customize' , 'live_preview' ) );