<?php
/**
 * Frontend script/style registration and CPT edit-screen assets.
 *
 * @package AHA_Hero_Slider
 * @since   1.0.0
 */

if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * Assets.
 */
class AHA_Hero_Slider_Assets {

	/**
	 * Script handle (main).
	 */
	const SCRIPT_MAIN = 'aha-hero-slider-main';

	/**
	 * Instance.
	 *
	 * @var self|null
	 */
	private static $instance = null;

	/**
	 * Get instance.
	 *
	 * @return self
	 */
	public static function get_instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor.
	 */
	public function __construct() {
		add_action( 'wp_enqueue_scripts', array( $this, 'register_assets' ), 5 );
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin' ) );
	}

	/**
	 * Register handles (frontend + editor registration).
	 */
	public function register_assets() {
		wp_register_script(
			self::SCRIPT_MAIN,
			AHA_HERO_SLIDER_URL . 'assets/js/main.js',
			array(),
			AHA_HERO_SLIDER_VERSION,
			true
		);

		wp_register_style(
			'aha-hero-slider-main',
			AHA_HERO_SLIDER_URL . 'assets/css/main.css',
			array(),
			AHA_HERO_SLIDER_VERSION
		);
	}

	/**
	 * Enqueue media + small script on CPT edit screen.
	 *
	 * @param string $hook_suffix Hook.
	 */
	public function enqueue_admin( $hook_suffix ) {
		if ( ! in_array( $hook_suffix, array( 'post.php', 'post-new.php' ), true ) ) {
			return;
		}

		$screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null;
		if ( ! $screen || $screen->post_type !== AHA_HERO_SLIDER_CPT ) {
			return;
		}

		wp_enqueue_media();

		wp_enqueue_style( 'wp-color-picker' );

		wp_enqueue_style(
			'aha-hero-slider-admin-slide',
			AHA_HERO_SLIDER_URL . 'assets/css/admin.css',
			array( 'wp-color-picker' ),
			AHA_HERO_SLIDER_VERSION
		);

		wp_enqueue_script(
			'aha-hero-slider-admin',
			AHA_HERO_SLIDER_URL . 'assets/js/admin.js',
			array( 'jquery', 'wp-color-picker' ),
			AHA_HERO_SLIDER_VERSION,
			true
		);

		wp_localize_script(
			'aha-hero-slider-admin',
			'ahaHeroSliderAdmin',
			array(
				'slidePlaceholderUrl' => aha_hero_slider_get_default_slide_image_url(),
				'i18n'                => array(
					'pick' => __( 'Choose image', 'aha-hero-slider' ),
					'use'  => __( 'Use image', 'aha-hero-slider' ),
				),
			)
		);
	}

}