<?php
/**
 * Biru Theme Customizer.
 *
 * @package Biru
 */

/**
 * Add postMessage support for site title and description for the Theme Customizer.
 *
 * @param WP_Customize_Manager $wp_customize Theme Customizer object.
 */
function biru_customize_register( $wp_customize ) {

	// SITE BRANDING ---------------------------------------------------------------------------------------
	$wp_customize->add_setting( 'biru_option[logo]', array(
		'type'				=> 'option',
		'sanitize_callback'	=> 'biru_sanitize_image',
	));
	$wp_customize->add_setting( 'biru_option[display]', array(
		'default'			=> 'site_title',
		'type'				=> 'option',
		'sanitize_callback'	=> '__return_false_value',
	));
	$wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, 'logo', array(
		'label'				=> esc_html__( 'Site Logo', 'biru' ),
		'section'			=> 'title_tagline',
		'settings'			=> 'biru_option[logo]',
	)));
	$wp_customize->add_control( 'display', array(
		'label'				=> esc_html__( 'Display As', 'biru' ),
		'section'			=> 'title_tagline',
		'settings'			=> 'biru_option[display]',
		'type'				=> 'select',
		'choices'			=> array(
			'site_title' 		=> __( 'Site Title', 'biru' ),
			'site_logo' 		=> __( 'Site Logo', 'biru' ),
		),
	));

	// FEATURED POSTS --------------------------------------------------------------------------------------
	$wp_customize->add_section( 'biru_featured_posts', array(
		'title'    			=> esc_html__( 'Featured Posts', 'biru' ),
		'description'		=> esc_html__( 'Enter comma separated ID of the posts you want to feature on the home page.', 'biru' ),
		'priority' 			=> 110,
	));
	$wp_customize->add_setting( 'biru_option[featured]', array(
		'default'			=> '',
		'type'				=> 'option',
		'sanitize_callback'	=> 'sanitize_text_field',
	));
	$wp_customize->add_control( 'featured', array(
		'label'				=> esc_html__( 'Post IDs', 'biru' ),
		'section'			=> 'biru_featured_posts',
		'settings'			=> 'biru_option[featured]',
		'type'				=> 'text',
	));

	// SOCIAL MEDIA ----------------------------------------------------------------------------------------
	$wp_customize->add_section( 'biru_social_media', array(
		'title'				=> esc_html__( 'Social Media Links', 'biru' ),
		'description'		=> esc_html__( 'Links for the Social Media buttons on the header.', 'biru' ),
		'priority'			=> 111,
	));

	$wp_customize->add_setting('biru_option[facebook]', array( 'default' => '', 'type' => 'option', 'sanitize_callback' => 'esc_url' ));
	$wp_customize->add_setting('biru_option[twitter]', array( 'default' => '', 'type' => 'option', 'sanitize_callback' => 'esc_url' ));
	$wp_customize->add_setting('biru_option[googleplus]', array( 'default' => '', 'type' => 'option', 'sanitize_callback' => 'esc_url' ));
	$wp_customize->add_setting('biru_option[tumblr]', array( 'default' => '', 'type' => 'option', 'sanitize_callback' => 'esc_url' ));
	$wp_customize->add_setting('biru_option[instagram]', array( 'default' => '', 'type' => 'option', 'sanitize_callback' => 'esc_url' ));
	$wp_customize->add_setting('biru_option[youtube]', array( 'default' => '', 'type' => 'option', 'sanitize_callback' => 'esc_url' ));

	$wp_customize->add_control('facebook', array(
		'label'				=> esc_html__('Facebook URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[facebook]',
	));

	$wp_customize->add_control('twitter', array(
		'label'				=> esc_html__('Twitter URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[twitter]',
	));

	$wp_customize->add_control('googleplus', array(
		'label'				=> esc_html__('Google+ URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[googleplus]',
	));

	$wp_customize->add_control('tumblr', array(
		'label'				=> esc_html__('Tumblr URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[tumblr]',
	));

	$wp_customize->add_control('instagram', array(
		'label'				=> esc_html__('Instagram URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[instagram]',
	));

	$wp_customize->add_control('youtube', array(
		'label'				=> esc_html__('YouTube URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[youtube]',
	));

	$wp_customize->add_control('pinterest', array(
		'label'				=> esc_html__('Pinterest URL', 'biru'),
		'section'			=> 'biru_social_media',
		'settings'			=> 'biru_option[pinterest]',
	));
}
add_action( 'customize_register', 'biru_customize_register' );

function __return_false_value($value) {
    return $value;
}
add_filter('__return_false', '__return_false_value');

/**
 * Sanitize Image.
 */
function biru_sanitize_image( $image, $setting ) {
	/*
	 * Array of valid image file types.
	 *
	 * The array includes image mime types that are included in wp_get_mime_types()
	 */
	$mimes = array(
		'jpg|jpeg|jpe' => 'image/jpeg',
		'gif'          => 'image/gif',
		'png'          => 'image/png',
		'bmp'          => 'image/bmp',
		'tif|tiff'     => 'image/tiff',
		'ico'          => 'image/x-icon'
	);

	// Return an array with file extension and mime_type.
	$file = wp_check_filetype( $image, $mimes );

	// If $image has a valid mime_type, return it; otherwise, return the default.
	return ( $file['ext'] ? $image : $setting->default );
}

/**
 * Sanitize Select.
 */
function biru_sanitize_select( $input, $setting ) {
	// Ensure input is a slug.
	$input = sanitize_key( $input );

	// Get list of choices from the control associated with the setting.
	$choices = $setting->manager->get_control( $setting->id )->choices;

	// If the input is a valid key, return it; otherwise, return the default.
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );
}

/**
 * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
 */
function biru_customize_preview_js() {
	wp_enqueue_script( 'biru_customizer', get_template_directory_uri() . 'assets/js/customizer.js', array( 'customize-preview' ), '20151215', true );
}
add_action( 'customize_preview_init', 'biru_customize_preview_js' );