<?php

function cam_header_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', 'cam_header_customizer_live_preview' );

class cam_header_customize {
    
    public static function register ( $wp_customize ) {
        
        /////////////////////////////////////////////////
        //      SANITIZE CALLBACKS
        /////////////////////////////////////////////////
        
        //      UPLOAD IMAGE
        /////////////////////////////////////////////////
        
        function cameleon_sanitize_image( $image, $setting ) {
            $mimes = array(
                'jpg|jpeg|jpe' => 'image/jpeg',
                'gif'          => 'image/gif',
                'png'          => 'image/png',
                'bmp'          => 'image/bmp',
                'tif|tiff'     => 'image/tiff',
                'ico'          => 'image/x-icon'
            );            
            $file = wp_check_filetype( $image, $mimes );
            
            return ( $file['ext'] ? $image : $setting->default );
        }
        
        //      ADD PANEL
        /////////////////////////////////////////////////
        
        $wp_customize->add_panel( 'cam_custom_header_footer_panel', 
                                   array(
                                       'title' => __( 'Header and footer texts color', 'cameleon' ),
                                       'priority' => 23,
                                       'capability' => 'edit_theme_options',
                                       'description' => __('Customize header and footer texts color', 'cameleon'),
                                   ) 
                                  );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting CUSTOM LOGO
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        
        $wp_customize->add_section( 'cam_custom_logo_colors', 
                                   array(
                                       'title' => __( 'Logo', 'cameleon' ), 
                                       'priority' => 23,
                                       'capability' => 'edit_theme_options',
                                       'description' => __('Add or remove your logo', 'cameleon'),
                                       'panel' => 'cam_custom_header_footer_panel',
                                   ) 
                                  );
        
        $wp_customize->add_setting( 'upload_logo',
                                  array(
                                    'sanitize_callback' => 'cameleon_sanitize_image',
                                  )
                                  );
        
        $wp_customize->add_control(
            new WP_Customize_Upload_Control(
                $wp_customize,
                'upload_logo',
                array(
                    'label' => __('Logo (Image size : 315 x 75 pixels)', 'cameleon'),
                    'section' => 'cam_custom_logo_colors',
                    'settings' => 'upload_logo'
                )
            )
        );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting HEADER TEXTS
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        
        $wp_customize->add_section( 'cam_custom_header_texts_colors', 
                                   array(
                                       'title' => __( 'Header texts', 'cameleon' ), 
                                       'priority' => 23,
                                       'capability' => 'edit_theme_options',
                                       'description' => __('Customize header texts color', 'cameleon'),
                                       'panel' => 'cam_custom_header_footer_panel',
                                   ) 
                                  );
        
        //      Setting TITLE color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_title_link_color', 
                                   array(
                                       'default' => '#98b8df',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'refresh',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                       
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_title_link_color',
            array(
                'label' => __( 'Site title color', 'cameleon' ),
                'section' => 'cam_custom_header_texts_colors',
                'settings' => 'custom_title_link_color',
                'priority' => 10,
            ) 
        ) );
        
        //      Setting TITLE color:hover
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_title_link_hover_color', 
                                   array(
                                       'default' => '#94a7be',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'refresh',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_title_link_hover_color',
            array(
                'label' => __( 'Site title color on mouse over', 'cameleon' ),
                'section' => 'cam_custom_header_texts_colors',
                'settings' => 'custom_title_link_hover_color',
                'priority' => 10,
            ) 
        ) );
        
        //      Setting DESCRIPTION color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_title_text_color', 
                                   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_title_text_color',
            array(
                'label' => __( 'Site description', 'cameleon' ),
                'section' => 'cam_custom_header_texts_colors',
                'settings' => 'custom_title_text_color',
                'priority' => 10,
            ) 
        ) );
        
        //      Setting NAVIGATION LINKS color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_nav_links',
                                   array(
                                       'default' => '#98b8df',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'refresh',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_nav_links',
            array(
                'label' => __( 'Navigation texts', 'cameleon' ),
                'section' => 'cam_custom_header_texts_colors',
                'settings' => 'custom_nav_links',
                'priority' => 10,
            ) 
        ) );
        
        //      Setting NAVIGATION LINKS:hover color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_nav_links_hover',
                                   array(
                                       'default' => '#94a7be',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'refresh',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_nav_links_hover',
            array(
                'label' => __( 'Navigation texts on mouseover', 'cameleon' ),
                'section' => 'cam_custom_header_texts_colors',
                'settings' => 'custom_nav_links_hover',
                'priority' => 10,
            ) 
        ) );
        
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        //      Setting FOOTER TEXTS
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        
        $wp_customize->add_section( 'cam_custom_footer_texts_colors', 
                                   array(
                                       'title' => __( 'Footer texts', 'cameleon' ), 
                                       'priority' => 23,
                                       'capability' => 'edit_theme_options',
                                       'description' => __('Customize footer texts color', 'cameleon'),
                                       'panel' => 'cam_custom_header_footer_panel',
                                   ) 
                                  );
        
        //      Setting footer text color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_footer_text',
                                   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_text',
            array(
                'label' => __( 'Texts color', 'cameleon' ),
                'section' => 'cam_custom_footer_texts_colors',
                'settings' => 'custom_footer_text',
                'priority' => 10,
            ) 
        ) );
        
        //      Setting footer links color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_footer_link',
                                   array(
                                       'default' => '#98b8df',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'refresh',
                                       'sanitize_callback'    => 'sanitize_hex_color',
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_footer_link',
            array(
                'label' => __( 'Links color', 'cameleon' ),
                'section' => 'cam_custom_footer_texts_colors',
                'settings' => 'custom_footer_link',
                'priority' => 10,
            ) 
        ) );
        
        //      Setting footer links:hover color
        /////////////////////////////////////////////////
        /////////////////////////////////////////////////
        $wp_customize->add_setting( 'custom_footer_link_hover',
                                   array(
                                       'default' => '#98b8df',
                                       'type' => 'theme_mod',
                                       'capability' => 'edit_theme_options',
                                       'transport' => 'refresh',
                                       'sanitize_callback'    => 'sanitize_hex_color',                           
                                   ) 
                                  );
        
        $wp_customize->add_control( new WP_Customize_Color_Control(
            $wp_customize,
            'cameleon_custom_footer_link_hover',
            array(
                'label' => __( 'Links color on mouse over', 'cameleon' ),
                'section' => 'cam_custom_footer_texts_colors',
                'settings' => 'custom_footer_link_hover',
                'priority' => 10,
            ) 
        ) );
    }
    
    public static function header_output() { ?>

<style type="text/css">
    /* SITE TITLE */
    <?php self::generate_css('.custom_title_link', 'color', 'custom_title_link_color'); ?>
    <?php self::generate_css('.custom_title_link:hover', 'color', 'custom_title_link_hover_color'); ?>
    <?php self::generate_css('.custom_description_color', 'color', 'custom_title_text_color'); ?>
    
    /* NAVIGATION */
    <?php self::generate_css('#header-nav a', 'color', 'custom_nav_links'); ?>
    <?php self::generate_css('#header-nav a:hover', 'color', 'custom_nav_links_hover'); ?>
    <?php self::generate_css('#burger span', 'color', 'custom_nav_links'); ?>
    <?php self::generate_css('#burger:hover span', 'color', 'custom_nav_links_hover'); ?>
    
    /* FOOTER TEXTS */
    <?php self::generate_css('.footer-section p', 'color', 'custom_footer_text'); ?>
    <?php self::generate_css('.footer-section a', 'color', 'custom_footer_link'); ?>
    <?php self::generate_css('.footer-section a:hover', 'color', 'custom_footer_link_hover'); ?>
</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( 'cam_header_customize' , 'register' ) );

// Output custom CSS to live site
add_action( 'wp_head' , array( 'cam_header_customize' , 'header_output' ) );

// Enqueue live preview javascript in Theme Customizer admin screen
add_action( 'customize_preview_init' , array( 'cam_header_customize' , 'live_preview' ) );