<?php
/**
 * eighties Theme Customizer
 *
 * @package Eighties
 */

/**
 * Add postMessage support for site title and description for the Theme Customizer.
 *
 * @param WP_Customize_Manager $wp_customize Theme Customizer object.
 */
function eighties_customize_register( $wp_customize ) {
	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
	$wp_customize->get_setting( 'background_color' )->transport = 'postMessage';
	$wp_customize->get_setting( 'background_image' )->transport = 'postMessage';

	$wp_customize->add_section( 'eighties_theme_options', array(
		'title'       => __( 'Theme', 'eighties' ),
		'priority'    => 130,
	) );

	/**
	 * Singular Header Options
	 *
	 * Add a options for using the featured image in lieu
	 * of the header image and the item title in lieu of the
	 * site tite for singular items.
	 *
	 */
	// Add setting for the singular header image control.
	$wp_customize->add_setting( 'eighties_singular_header_image', array(
		'default'   => 'header',
		'transport' => 'postMessage',
		'sanitize_callback' => 'eighties_sanitize_singular_header_image',
	) );

	// Add control for the singulare header image.
	$wp_customize->add_control( 'eighties_singular_header_image', array(
		'label'   => __( 'Single Posts Display:', 'eighties' ),
		'section' => 'eighties_theme_options',
		'type'    => 'radio',
		'choices' => array(
			'header'         => __( 'Custom Header Image', 'eighties' ),
			'featured_image' => __( 'Featured Image', 'eighties' ),
		),
	) );
}
add_action( 'customize_register', 'eighties_customize_register' );

/**
 * Sanitize the Singular header Image Display value.
 *
 * @param string $image.
 * @return string (header|featured_image).
 */
function eighties_sanitize_singular_header_image( $image ) {
	if ( ! in_array( $image, array( 'header', 'featured_image' ) ) ) {
		$image = 'header';
	}
	return $image;
}

/**
 * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
 */
function eighties_customize_preview_js() {
	wp_enqueue_script( 'eighties-customizer-preview', get_template_directory_uri() . '/js/customizer-preview.js', array( 'customize-preview' ), '20140803', true );
}
add_action( 'customize_preview_init', 'eighties_customize_preview_js' );