<?php
/**
 * Theme Customizer additions
 *
 * @package Calibration
 * @since 1.0.0
 * @version 1.0.0
 */

add_action( 'customize_register', 'calibration_customize_register' );
/**
 * Add postMessage support for site parts in the Theme Customizer.
 *
 * Action hook: 'customize_register'
 *
 * @since 1.0.0
 *
 * @param WP_Customize_Manager $wp_customize Theme Customizer object.
 */
function calibration_customize_register( $wp_customize ) {
	$calibration_theme_mods = calibration_get_theme_mods();

	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';

	// Layout section
	$wp_customize->add_section( 'calibration_layout', array(
		'priority'       => 100,
		'capability'     => 'edit_theme_options',
		'theme_supports' => '',
		'title'          => __( 'Layout', 'calibration' ),
		'description'    => __( 'Here you can customize the layout options.', 'calibration' ),
	) );

	// Layout choosing
	$wp_customize->add_setting(  'calibration_site_layout', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_radio',
		'default'           =>  $calibration_theme_mods['calibration_site_layout'],
	) );
	$wp_customize->add_control( 'calibration_site_layout', array(
		'label' => esc_html__( 'Switch site layout', 'calibration' ),
		'section' => 'calibration_layout',
		'type' => 'radio',
		'choices' => array(
			'sidebar_r' => esc_html__( 'Right Sidebar','calibration' ),
			'sidebar_l' => esc_html__( 'Left Sidebar','calibration' ),
			'sidebar_b' => esc_html__( 'Bottom Sidebar','calibration' ),
		)
	) );

	// Top menu hiding
	$wp_customize->add_setting( 'calibration_show_menu', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_checkbox',
		'default'           => $calibration_theme_mods['calibration_show_menu'],
	) );
	$wp_customize->add_control( 'calibration_show_menu', array(
		'type'    => 'checkbox',
		'section' => 'menu_locations',
		'label'   => esc_html__( 'Display Top Menu', 'calibration' ),
	) );

	// Static Front page options
	$wp_customize->add_setting( 'calibration_show_front_title', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_checkbox',
		'default'           =>  $calibration_theme_mods['calibration_show_front_title'],
	) );
	$wp_customize->add_control( 'calibration_show_front_title', array(
		'type'    => 'checkbox',
		'section' => 'static_front_page',
		'label'   => esc_html__( 'Display homepage title', 'calibration' ),
	) );

	$wp_customize->add_setting( 'calibration_front_layout', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_select',
		'default'           => $calibration_theme_mods['calibration_front_layout'],
	) );
	$wp_customize->add_control( 'calibration_front_layout', array(
		'type'    => 'select',
		'section' => 'static_front_page',
		'label'   => esc_html__( 'Homepage layout', 'calibration' ),

		'choices' => array(
			''          => sprintf( 
										/* translators: %s: site layout choice label */
										esc_html__('Site Layout %s','calibration'), "({$wp_customize->get_control( 'calibration_site_layout' )->choices[$calibration_theme_mods['calibration_site_layout']]})" ),
			'sidebar_r' => esc_html__( 'Right Sidebar','calibration' ),
			'sidebar_l' => esc_html__( 'Left Sidebar','calibration' ),
			'sidebar_b' => esc_html__( 'Bottom Sidebar','calibration' ),
		),
	) );

	// Posts section
	$wp_customize->add_section( 'calibration_posts', array(
		'priority'       => 150,
		'capability'     => 'edit_theme_options',
		'theme_supports' => '',
		'title'          => esc_html__( 'Posts', 'calibration' ),
		'description'    => esc_html__( 'Here you can customize options for posts.', 'calibration' ),
	) );

	// Post list options

	$wp_customize->add_setting( 'calibration_show_post_as', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_select',
		'default'           => $calibration_theme_mods['calibration_show_post_as'],
	) );
	$wp_customize->add_control( 'calibration_show_post_as', array(
		'type'        => 'select',
		'section'     => 'calibration_posts',
		'label'       => esc_html__( 'Show post as', 'calibration' ),
		'description' => esc_html__( 'What should the post list include on the front page or blog?', 'calibration' ),
		'choices' => array(
			'post_content' => esc_html__( 'Content', 'calibration' ),
			'post_excerpt' => esc_html__( 'Excerpt', 'calibration' ),
			'post_title' 	 => esc_html__( 'Title', 'calibration' ),
		),
	) );

	$wp_customize->add_setting( 'calibration_apply_post_format', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_checkbox',
		'default'           =>  $calibration_theme_mods['calibration_apply_post_format'],
	) );
	$wp_customize->add_control( 'calibration_apply_post_format', array(
		'type'        => 'checkbox',
		'section'     => 'calibration_posts',
		'label'       => esc_html__( 'Apply post format template', 'calibration' ),
		'description' => esc_html__( 'Uncheck if you want all posts on the list to look similar regardless format.', 'calibration' ),
	) );

	// Default category hiding
	$wp_customize->add_setting( 'calibration_hide_default_category', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_checkbox',
		'default'           => $calibration_theme_mods['calibration_hide_default_category'],
	) );
	$wp_customize->add_control( 'calibration_hide_default_category', array(
		'type'        => 'checkbox',
		'section'     => 'calibration_posts',
		'label'       => sprintf(
											/* translators: %s: default category */
											esc_html__( 'Hide default category: %s', 'calibration' ), get_cat_name( get_option( 'default_category' ) ) ),
		'description' => sprintf(
											/* translators: %s: Built in "Uncategorized" category name */
											esc_html__( 'Useful as long as you keep "%s" as default category.', 'calibration' ), __( 'Uncategorized' ) ),
	) );

	// Footer content section
	$wp_customize->add_section( 'calibration_footer_content', array(
		'priority'       => 150,
		'capability'     => 'edit_theme_options',
		'theme_supports' => '',
		'title'          => esc_html__( 'Footer Content', 'calibration' ),
		'description'    => esc_html__( 'Here you can write your own footer content.', 'calibration' ),
	) );

	// Footer title text input
	$wp_customize->add_setting( 'calibration_footer_title', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_linked_text',
		'default'           =>  $calibration_theme_mods['calibration_footer_title'],
	) );
	$wp_customize->add_control( 'calibration_footer_title', array(
		'type'    => 'text',
		'section' => 'calibration_footer_content',
		'label'   => esc_html__( 'Title', 'calibration' ),
	) );

	// Footer entry textarea
	$wp_customize->add_setting( 'calibration_footer_entry', array(
		'capability'        => 'edit_theme_options',
		'transport'         => 'postMessage',
		'sanitize_callback' => 'calibration_sanitize_linked_text',
		'default'           => $calibration_theme_mods['calibration_footer_entry'],
	) );
	$wp_customize->add_control( 'calibration_footer_entry', array(
		'type'     => 'textarea',
		'priority' => 10,
		'section'  => 'calibration_footer_content',
		'label'    => esc_html__( 'Entry', 'calibration' ),
	) );

	// Display Privacy Policy link
	if ( function_exists( 'get_the_privacy_policy_link' ) ) :
		$wp_customize->add_setting( 'calibration_show_privacy_policy', array(
			'capability'        => 'edit_theme_options',
			'transport'         => 'postMessage',
			'sanitize_callback' => 'calibration_sanitize_checkbox',
			'default'           => $calibration_theme_mods['calibration_show_privacy_policy'],
		) );
		$wp_customize->add_control( 'calibration_show_privacy_policy', array(
			'type'    => 'checkbox',
			'section' => 'calibration_footer_content',
			'label'   => esc_html__( 'Display Privacy Policy Link', 'calibration' ),
			'description' => '<a href="' . get_admin_url( null, 'privacy.php' ) . '">' .  esc_html__( 'Privacy settings', 'calibration' ) . '</a>',
		) );
	endif;

	// Add partials for selective refresh
	if ( isset( $wp_customize->selective_refresh ) ) :
		$wp_customize->selective_refresh->add_partial( 'blogname', array(
			'selector'        => '.logo',
			'render_callback' => 'calibration_customize_partial_blogname',
		) );
		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
			'selector'        => '.tagline',
			'render_callback' => 'calibration_customize_partial_blogdescription',
		) );
		$wp_customize->selective_refresh->add_partial( 'calibration_partial_posts_list', array(
			'selector'        => '.wp-article-list',
			'settings'        => array( 'calibration_show_post_as', 'calibration_apply_post_format', 'calibration_hide_default_category' ),
			'render_callback' => 'calibration_customize_partial_posts_list'
		) );
		$wp_customize->selective_refresh->add_partial( 'calibration_partial_footer_title', array(
			'selector'        => '.footer-title',
			'settings'        => array( 'calibration_footer_title' ),
			'render_callback' => 'calibration_customize_partial_footer_title',
		) );
		$wp_customize->selective_refresh->add_partial( 'calibration_partial_footer_entry', array(
			'selector'        => '.footer-entry',
			'settings'        => array( 'calibration_footer_entry' ),
			'render_callback' => 'calibration_customize_partial_footer_entry',
		) );
	endif;
}

/**
 * Render the site title for the selective refresh partial.
 *
 * @since 1.0.0
 *
 * @return void
 */
function calibration_customize_partial_blogname() {
	bloginfo( 'name' );
}

/**
 * Render the site tagline for the selective refresh partial.
 *
 * @since 1.0.0
 *
 * @return void
 */
function calibration_customize_partial_blogdescription() {
	bloginfo( 'description' );
}

/**
 * Render the posts list for the selective refresh partial.
 *
 * @since 1.0.0
 *
 * @return void
 */
function calibration_customize_partial_posts_list() {
	while ( have_posts() ) : the_post();
		get_template_part( 'template-parts/content', calibration_get_theme_mod( 'calibration_apply_post_format' ) ? get_post_format() : false );
	endwhile;
}

/**
 * Render the footer title for the selective refresh partial.
 *
 * @since 1.0.0
 *
 * @return void
 */
function calibration_customize_partial_footer_title() {
	echo nl2br( calibration_sanitize_linked_text( calibration_get_theme_mod( 'calibration_footer_title', true ) ) );
}

/**
 * Render the footer entry for the selective refresh partial.
 *
 * @since 1.0.0
 *
 * @return void
 */
function calibration_customize_partial_footer_entry() {
	echo nl2br( calibration_sanitize_linked_text( calibration_get_theme_mod( 'calibration_footer_entry', true ) ) );
}

if ( ! function_exists( 'calibration_sanitize_radio' ) ) :
/**
 * Handles radio sanitization.
 *
 * @since 1.0.0
 *
 * @param string $input Setting value to be sanitized
 * @param WP_Customize_Setting $setting A WP_Customize_Setting derived object.
 * @return string Chosen value
 */
function calibration_sanitize_radio( $input, $setting ) {
	$input = sanitize_key($input);
	$choices = $setting->manager->get_control( $setting->id )->choices;

	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );
}
endif;

if ( ! function_exists( 'calibration_sanitize_checkbox' ) ) :
/**
 * Handles checkbox sanitization.
 *
 * @since 1.0.0
 *
 * @param boolean|null $checked Checked option if exists
 * @return boolean Checked value
 */
function calibration_sanitize_checkbox( $checked ) {
	return ( ( isset( $checked ) && true == $checked ) ? true : false );
}
endif;

if ( ! function_exists( 'calibration_sanitize_select' ) ) :
/**
 * Handles select sanitization.
 *
 * @since 1.0.0
 *
 * @param string $input Setting value to be sanitized
 * @param WP_Customize_Setting $setting A WP_Customize_Setting derived object.
 * @return string Setting value
 */
function calibration_sanitize_select( $input, $setting ) {
	$input = sanitize_key( $input );
	$choices = $setting->manager->get_control( $setting->id )->choices;

	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );
}
endif;

if ( ! function_exists( 'calibration_sanitize_linked_text' ) ) :
/**
 * Handles sanitization for text including links.
 *
 * @since 1.0.0
 *
 * @param string $text Text to be sanitized preserving links
 * @return string Text with links
 */
function calibration_sanitize_linked_text( $text ) {
	return wp_kses( $text, array( 
		'a' => array(
			'id'     => array(),
			'class'  => array(),
			'href'   => array(),
			'title'  => array(),
			'target' => array(),
		),
		'span' => array(
			'id'    => array(),
			'class' => array(),
		),
		'br'     => array(),
		'b'      => array(),
		'strong' => array(),
		'i'      => array(),
		'em'     => array(),
	) );
}
endif;

add_action( 'customize_preview_init', 'calibration_customize_preview_js' );
/**
 * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
 *
 * Acion hook: 'customize_preview_init'
 *
 * @since 1.0.0
 */
function calibration_customize_preview_js() {
	wp_enqueue_script( 'calib-customizer', CALIB_JS_URI . 'customizer.js', array( 'customize-preview' ), calibration_ver(), true );
	
	// Set initial visibility for some elements
	$calibration_theme_mods = calibration_get_theme_mods();
	$menu_visibility = ( $calibration_theme_mods['calibration_show_menu'] ? 'visible' : 'hidden' );
	$front_title_display = ( $calibration_theme_mods['calibration_show_front_title'] ? 'block' : 'none' );
	$privacy_policy_display = ( $calibration_theme_mods['calibration_show_privacy_policy'] ? 'block' : 'none' );
	wp_add_inline_script( 'calib-customizer', "
		(function($) {
			$( '#nav' ).css('visibility', '$menu_visibility');
			$( '.home h1.entry-title' ).css('display', '$front_title_display');
			$( '#footer .privacy-policy-link' ).css('display', '$privacy_policy_display');
		})(jQuery);"
	);
}

add_action( 'customize_controls_enqueue_scripts', 'calibration_customize_controls_js' );
/**
 * Adds custom behaviour to Customizer controls.
 *
 * Acion hook: 'customize_controls_enqueue_scripts'
 *
 * @since 1.0.0
 */
function calibration_customize_controls_js() {
	wp_enqueue_script( 'calib-customize-controls', CALIB_JS_URI . 'customizer-controls.js', array( 'customize-controls' ), calibration_ver(), true );
}