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

/**
 * Implement Theme Customizer additions and adjustments.
 */
function jgtbloginn_customize_register( $wp_customize ) {
	// Remove unnecessary controls.
	$wp_customize->remove_control( 'display_header_text' );

	// Add postMessage support for site title and description.
	$transport = ( $wp_customize->selective_refresh) ? 'postMessage' : 'refresh';
	$wp_customize->get_setting( 'blogname' )->transport = $transport;
	$wp_customize->get_setting( 'blogdescription' )->transport = $transport;

	// Selective refresh for previewing the site title and tagline.
	$wp_customize->selective_refresh->add_partial( 'blogname', array(
		'selector'        => '.site-title a',
		'render_callback' => 'jgtbloginn_customize_partial_blogname',
	) );
	$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
		'selector'        => '.site-description',
		'render_callback' => 'jgtbloginn_customize_partial_blogdescription',
	) );

	/**
	 * Site Identity Section.
	 */
		// Double size logo for Retina devices.
		$wp_customize->add_setting( 'jgtbloginn_logo_retina', array(
			'sanitize_callback' => 'jgtbloginn_sanitize_checkbox'
		) );
		$wp_customize->add_control( 'jgtbloginn_logo_retina', array(
			'label'    => esc_html__( 'Check if you use double sized logo.', 'bloginn' ),
			'section'  => 'title_tagline',
			'settings' => 'jgtbloginn_logo_retina',
			'type'     => 'checkbox',
			'priority' => 9
		) );

		// Hide site title.
		$wp_customize->add_setting( 'jgtbloginn_hide_site_title', array(
			'sanitize_callback' => 'jgtbloginn_sanitize_checkbox'
		) );
		$wp_customize->add_control( 'jgtbloginn_hide_site_title', array(
			'label'    => esc_html__( 'Hide Site Title.', 'bloginn' ),
			'section'  => 'title_tagline',
			'settings' => 'jgtbloginn_hide_site_title',
			'type'     => 'checkbox'
		) );

		// Hide tagline.
		$wp_customize->add_setting( 'jgtbloginn_hide_tagline', array(
			'sanitize_callback' => 'jgtbloginn_sanitize_checkbox'
		) );
		$wp_customize->add_control( 'jgtbloginn_hide_tagline', array(
			'label'    => esc_html__( 'Hide Tagline.', 'bloginn' ),
			'section'  => 'title_tagline',
			'settings' => 'jgtbloginn_hide_tagline',
			'type'     => 'checkbox'
		) );

	/**
	 * Colors Section.
	 */
		// Theme accent colors.
		$wp_customize->add_setting( 'jgtbloginn_primary_color', array( 
			'default'           => '#22b3eb',
			'sanitize_callback' => 'sanitize_hex_color'
		) );
		$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'jgtbloginn_primary_color', array(
			'label'    => esc_html__( 'Primary Color', 'bloginn' ),
			'section'  => 'colors',
			'settings' => 'jgtbloginn_primary_color'
		) ) );
		$wp_customize->add_setting( 'jgtbloginn_secondary_color', array( 
			'default'           => '#5ec5f0',
			'sanitize_callback' => 'sanitize_hex_color'
		) );
		$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'jgtbloginn_secondary_color', array(
			'label'    => esc_html__( 'Secondary Color', 'bloginn' ),
			'section'  => 'colors',
			'settings' => 'jgtbloginn_secondary_color'
		) ) );

	/**
	 * Theme Options Section.
	 */
	$wp_customize->add_section( 'jgtbloginn_theme_options', array( 
		'title'    => esc_html__( 'Theme Options', 'bloginn' ),
		'priority' => 200
	) );

		// Logo and content animation
		$wp_customize->add_setting( 'jgtbloginn_content_fadein', array(
			'sanitize_callback' => 'jgtbloginn_sanitize_checkbox'
		) );
		$wp_customize->add_control( 'jgtbloginn_content_fadein', array(
			'label'    => esc_html__( 'Enable logo and content animation on page load.', 'bloginn' ),
			'section'  => 'jgtbloginn_theme_options',
			'settings' => 'jgtbloginn_content_fadein',
			'type'     => 'checkbox'
		) );

		// Show automatically generated excerpts.
		$wp_customize->add_setting( 'jgtbloginn_auto_excerpt', array(
			'sanitize_callback' => 'jgtbloginn_sanitize_checkbox'
		) );
		$wp_customize->add_control( 'jgtbloginn_auto_excerpt', array(
			'label'    => esc_html__( 'Generate excerpts automatically.', 'bloginn' ),
			'section'  => 'jgtbloginn_theme_options',
			'settings' => 'jgtbloginn_auto_excerpt',
			'type'     => 'checkbox'
		) );

		// Excerpts length.
		$wp_customize->add_setting( 'jgtbloginn_excerpt_length', array(
			'default'           => '55',
			'sanitize_callback' => 'jgtbloginn_sanitize_integer'
		) );
		$wp_customize->add_control( 'jgtbloginn_excerpt_length', array(
			'label'       => esc_html__( 'Excerpt Length', 'bloginn' ),
			'description' => esc_html__( 'The default length is 55 words.', 'bloginn' ),
			'section'     => 'jgtbloginn_theme_options',
			'settings'    => 'jgtbloginn_excerpt_length',
			'type'        => 'text'
		) );

		// Author box
		$wp_customize->add_setting( 'jgtbloginn_author_box', array(
			'sanitize_callback' => 'jgtbloginn_sanitize_checkbox'
		) );
		$wp_customize->add_control( 'jgtbloginn_author_box', array(
			'label'    => esc_html__( 'Display an author box below the post content.', 'bloginn' ),
			'section'  => 'jgtbloginn_theme_options',
			'settings' => 'jgtbloginn_author_box',
			'type'     => 'checkbox'
		) );

		// Footer text
		$wp_customize->add_setting( 'jgtbloginn_footer_text', array(
			'default'           => '',
			'sanitize_callback' => 'jgtbloginn_sanitize_html'
		) );
		$wp_customize->add_control( 'jgtbloginn_footer_text', array(
			'label'    => esc_html__( 'Footer Text', 'bloginn' ),
			'section'  => 'jgtbloginn_theme_options',
			'settings' => 'jgtbloginn_footer_text',
			'type'     => 'textarea'
		) );
		// Selective refresh for previewing the footer text.
		$wp_customize->selective_refresh->add_partial( 'jgtbloginn_footer_text', array(
			'selector'            => '.site-info',
			'container_inclusive' => false,
			'render_callback'     => 'jgtbloginn_customize_partial_footertext'
		) );

		// 404 page image
		$wp_customize->add_setting( 'jgtbloginn_404_image', array(
			'default'           => get_template_directory_uri() . '/images/404.jpg',
			'sanitize_callback' => 'esc_url_raw'
		) );
		$wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, 'jgtbloginn_404_image', array(
			'label'    => esc_html__( 'Error 404 Page Image', 'bloginn' ),
			'section'  => 'jgtbloginn_theme_options',
			'settings' => 'jgtbloginn_404_image',
		) ) );
}
add_action( 'customize_register', 'jgtbloginn_customize_register' );

/**
 * Render the site title for the selective refresh partial.
 */
function jgtbloginn_customize_partial_blogname() {
	bloginfo( 'name' );
}

/**
 * Render the site tagline for the selective refresh partial.
 */
function jgtbloginn_customize_partial_blogdescription() {
	bloginfo( 'description' );
}

/**
 * Render the footer text for the selective refresh partial.
 */
function jgtbloginn_customize_partial_footertext() {
	return get_theme_mod( 'jgtbloginn_footer_text' );
}

/**
 * Checkbox sanitization callback.
 */
function jgtbloginn_sanitize_checkbox( $input ) {
	return ( ( isset( $input ) && true == $input ) ? true : false );
}

/**
 * HTML sanitization callback.
 */
function jgtbloginn_sanitize_html( $input ) {
	return wp_filter_post_kses( $input );
}

/**
 * Integer sanitization callback.
 */
function jgtbloginn_sanitize_integer( $input, $setting ) {
	$input = absint( $input );
	return ( $input ? $input : $setting->default );
}