<?php
/**
 * pally Excerpt
 *
 * @package pally
 * @since 1.0.0
 */

namespace Pally;

use WP_Customize_Manager;

/**
 * Options for the blog, search and archive pages.
 *
 * @since 1.0.0
 */
class Excerpt {

	/**
	 * Constructor.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function __construct() {
		add_action( 'customize_register', [ $this, 'action_register_customizer_control' ] );
		add_filter( 'excerpt_length', [ $this, 'filter_excerpt_length' ], 999 );
	}

	/**
	 * Adds a Customizer section, settings, controls and partials.
	 *
	 * @param WP_Customize_Manager $wp_customize Customizer manager instance.
	 * @access public
	 * @since 1.0.0
	 */
	public function action_register_customizer_control( WP_Customize_Manager $wp_customize ) {

		$wp_customize->add_section(
			'excerpt_options',
			array(
				'title'    => __( 'Excerpt', 'pally' ),
				'panel'    => 'theme_options',
				'priority' => 3,
			)
		);

		$wp_customize->add_setting(
			'excerpt_length',
			array(
				'default'           => '45',
				'transport'         => 'postMessage',
				'sanitize_callback' => 'absint',
			)
		);

		$wp_customize->add_control(
			'excerpt_length',
			array(
				'label'       => __( 'Excerpt length', 'pally' ),
				'description' => __( 'Adjust the number of words used in the generated excerpt.', 'pally' ),
				'section'     => 'excerpt_options',
				'type'        => 'number',
			)
		);

		$wp_customize->selective_refresh->add_partial(
			'excerpt_length',
			array(
				'selector'            => '.entry-summary',
				'container_ally' => true,
			)
		);

	}



	/**
	 * Add the excerpt length filter
	 *
	 * @access public
	 * @since 1.0.0
	 * @return int The length of the excerpt.
	 */
	public function filter_excerpt_length() {
		if ( ! is_admin() ) {
			$excerpt_length = absint( get_theme_mod( 'excerpt_length', 45 ) );
			return $excerpt_length;
		}
	}




}