<?php
/**
 * Plugin controller.
 *
 * @package Advance_Elementor_Slider
 */

namespace Advance_Elementor_Slider;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Wires the widgets, their category and their assets into Elementor.
 */
final class Plugin {

	/**
	 * Widget category slug used in the editor panel.
	 */
	const CATEGORY = 'advance-elementor-slider';

	/**
	 * Singleton instance.
	 *
	 * @var Plugin|null
	 */
	private static $instance = null;

	/**
	 * Map of widget file slug => class short name.
	 *
	 * @var array
	 */
	private $widgets = array(
		'advance-slider'     => 'Advance_Slider_Widget',
		'post-slider'        => 'Post_Slider_Widget',
		'testimonial-slider' => 'Testimonial_Slider_Widget',
		'logo-carousel'      => 'Logo_Carousel_Widget',
		'thumbnail-slider'   => 'Thumbnail_Slider_Widget',
		'team-slider'        => 'Team_Slider_Widget',
	);

	/**
	 * Get the singleton instance.
	 *
	 * @return Plugin
	 */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Register hooks.
	 */
	private function __construct() {
		add_action( 'elementor/elements/categories_registered', array( $this, 'register_category' ) );
		add_action( 'elementor/frontend/after_register_scripts', array( $this, 'register_scripts' ) );
		add_action( 'elementor/frontend/after_register_styles', array( $this, 'register_styles' ) );
		add_action( 'elementor/widgets/register', array( $this, 'register_widgets' ) );
	}

	/**
	 * Add the panel category.
	 *
	 * @param \Elementor\Elements_Manager $elements_manager Elements manager.
	 */
	public function register_category( $elements_manager ) {
		$elements_manager->add_category(
			self::CATEGORY,
			array(
				'title' => esc_html__( 'Advance Slider', 'advance-elementor-slider' ),
				'icon'  => 'eicon-slider-push',
			)
		);
	}

	/**
	 * Register the shared frontend script.
	 *
	 * Depends on the Swiper 8 copy Elementor already ships, so the page never
	 * loads two Swiper builds.
	 */
	public function register_scripts() {
		wp_register_script(
			'aels-slider',
			AELS_PLUGIN_URL . 'assets/js/advance-elementor-slider.js',
			array( 'jquery', 'elementor-frontend', 'swiper' ),
			AELS_VERSION,
			true
		);
	}

	/**
	 * Register the shared frontend stylesheet.
	 */
	public function register_styles() {
		wp_register_style(
			'aels-slider',
			AELS_PLUGIN_URL . 'assets/css/advance-elementor-slider.css',
			array( 'e-swiper' ),
			AELS_VERSION
		);
	}

	/**
	 * Load and register every widget.
	 *
	 * @param \Elementor\Widgets_Manager $widgets_manager Widgets manager.
	 */
	public function register_widgets( $widgets_manager ) {
		require_once AELS_PLUGIN_PATH . 'includes/base/class-aels-slider-base.php';

		foreach ( $this->widgets as $slug => $class_name ) {
			$file = AELS_PLUGIN_PATH . 'includes/widgets/class-aels-' . $slug . '-widget.php';

			if ( ! file_exists( $file ) ) {
				continue;
			}

			require_once $file;

			$class = __NAMESPACE__ . '\\Widgets\\' . $class_name;

			if ( class_exists( $class ) ) {
				$widgets_manager->register( new $class() );
			}
		}
	}
}