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<?php

namespace CarouselSlider\Integration\VisualComposer;

defined( 'ABSPATH' ) || exit;

/**
 * Element class
 */
class Element {
	/**
	 * The instance of the class
	 *
	 * @var self
	 */
	private static $instance = null;

/**
	 * Ensures only one instance of this class is loaded or can be loaded.
	 *
	 * @return self
	 */
	public static function init() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();

add_action( 'init', array( self::$instance, 'integrate_with_vc' ) );
		}

return self::$instance;
	}

/**
	 * Integrate with visual composer
	 */
	public function integrate_with_vc() {
		// Check if Visual Composer is installed.
		if ( ! function_exists( 'vc_map' ) ) {
			return;
		}

vc_map(
			array(
				'name'        => __( 'Carousel Slider', 'carousel-slider' ),
				'description' => __( 'Place Carousel Slider.', 'carousel-slider' ),
				'base'        => 'carousel_slide',
				'controls'    => 'full',
				'icon'        => CAROUSEL_SLIDER_ASSETS . '/static-images/logo.svg',
				'category'    => __( 'Content', 'carousel-slider' ),
				'params'      => array(
					array(
						'type'       => 'dropdown',
						'holder'     => 'div',
						'class'      => 'carousel-slider-id',
						'param_name' => 'id',
						'value'      => $this->carousels_list(),
						'heading'    => __( 'Choose Carousel Slide', 'carousel-slider' ),
					),
				),
			)
		);
	}

/**
	 * Generate array for carousel slider
	 *
	 * @return array
	 */
	private function carousels_list(): array {
		$carousels = get_posts(
			[
				'post_type'      => 'carousels',
				'post_status'    => 'publish',
				'posts_per_page' => - 1,
			]
		);

$result = [];

if ( count( $carousels ) ) {
			foreach ( $carousels as $carousel ) {
				$result[ esc_html( $carousel->post_title ) ] = $carousel->ID;
			}
		}

return $result;
	}
}