<?php
/**
 * SliderKits setup
 *
 * @package SliderKits
 * @since   1.0.4
 */

defined( 'ABSPATH' ) || exit;

/**
 * Main SliderKits Class.
 *
 * @class SliderKits
 */
final class SliderKits {

	/**
	 * SliderKits version.
	 *
	 * @var string
	 */
	public $version = '1.0.4';

	/**
	 * The single instance of the class.
	 *
	 * @var SliderKits
	 * @since 1.0.0
	 */
	protected static $_instance = null;

	/**
	 * Main SliderKits Instance.
	 *
	 * Ensures only one instance of SliderKits is loaded or can be loaded.
	 *
	 * @since 1.0.0
	 * @static
	 * @see SliderKits()
	 * @return SliderKits - Main instance.
	 */
	public static function instance() {
		if ( is_null( self::$_instance ) ) {
			self::$_instance = new self();
		}
		return self::$_instance;
	}

	/**
	 * Cloning is forbidden.
	 *
	 * @since 1.0.0
	 */
	public function __clone() {
		wc_doing_it_wrong( __FUNCTION__, esc_html__( 'Cloning is forbidden.', 'sliderkits' ), $this->version );
	}

	/**
	 * Unserializing instances of this class is forbidden.
	 *
	 * @since 1.0.0
	 */
	public function __wakeup() {
		wc_doing_it_wrong( __FUNCTION__, esc_html__( 'Unserializing instances of this class is forbidden.', 'sliderkits' ), $this->version );
	}

	/**
	 * SuperPro Constructor.
	 */
	public function __construct() {
		$this->define_constants();
		$this->init_hooks();
	}

	/**
	 * Init Hooks
	 */
	public function init_hooks(){
		add_action( 'init', array( $this,'textdomain' ) );
		add_action( 'wp_enqueue_scripts', array( $this, 'scripts' ) );
		add_action( 'init', array( $this,'includes' ) );
		add_action( 'init',	array( $this, 'check_update' ) );
	}

	/**
	 * Define SliderKits Constants.
	 */
	private function define_constants() {
		$this->define( 'SK_DEBUG', FALSE );
		$this->define( 'SK_ABSPATH', dirname( SK_FILE ) . '/' );
		$this->define( 'SK_PLUGIN_BASENAME', plugin_basename( SK_FILE ) );
		$this->define( 'SK_DIR', plugin_dir_path( dirname(__FILE__) ) );
		$this->define( 'SK_DIR_URI', plugins_url( __FILE__ ) );
    $this->define( 'SK_ROOT_DIR', plugins_url().'/'.plugin_basename( SK_DIR ).'/' );
		$this->define( 'SK_VERSION', $this->version );
		$this->define( 'SK_PLACEHOLDER_IMG', plugins_url( 'assets/img/placeholder.png', SK_FILE ) );
	}

	/**
	 * Define constant if not already set.
	 *
	 * @param string      $name  Constant name.
	 * @param string|bool $value Constant value.
	 */
	private function define( $name, $value ) {
		if ( ! defined( $name ) ) {
			define( $name, $value );
		}
	}

	/**
     * Localize
     */
	public function textdomain() {
	   load_plugin_textdomain( 'sliderkits', FALSE, dirname( plugin_basename( SK_FILE ) ).'/languages/' );
	}

	/**
	 * Styles / Scripts
	 */
	public function scripts() {

		$min = ! SK_DEBUG ? '.min' : '';

		/* Dependent CSS Files */
		$depend_css_files = array(
			'slick' => 'assets/vendors/slick/slick.css',
			'slick-theme' => 'assets/vendors/slick/slick-theme.css',
			'sliderkits' => 'assets/css/sliderkits' . $min . '.css',
			'default-slider' => 'assets/css/widgets/default-slider.css',
			'split-slider' => 'assets/css/widgets/split-slider.css',
			'carousel-slider' => 'assets/css/widgets/carousel-slider.css',
			'carousel-popup' => 'assets/css/widgets/carousel-popup.css',
			'carousel-with-background' => 'assets/css/widgets/carousel-with-background.css',
			'accordion-slider' => 'assets/css/widgets/accordion-slider.css',
			'app-slider' => 'assets/css/widgets/app-slider.css',
			'blog-slider' => 'assets/css/widgets/blog-slider.css',
			'team-slider' => 'assets/css/widgets/team-slider.css'
		);

		foreach ( $depend_css_files as $handle => $path ) {
			wp_register_style( $handle, plugins_url( $path, SK_FILE ), '', null );
		}

		/* Plugin Core Scripts and Styles */
		wp_enqueue_style( 'bootstrap-grid', plugins_url( 'assets/vendors/bootstrip-grid.min.css', SK_FILE ), '', null );
		wp_enqueue_style( 'sliderkits-icons', plugins_url( 'assets/vendors/sliderkits-icons/sliderkits-icons.css', SK_FILE ), '', null );
		wp_enqueue_script( 'lazyload', plugins_url( 'assets/vendors/lazyload.min.js', SK_FILE ), array(), null, false );
		wp_enqueue_script( 'slick', plugins_url( 'assets/vendors/slick/slick.min.js', SK_FILE ), array( 'jquery' ), null, true );
		wp_enqueue_script( 'sliderkits', plugins_url( 'assets/js/sliderkits' . $min . '.js', SK_FILE ), array( 'jquery', 'imagesloaded' ), null, true );
	}

	/**
	 * Include required core files used in admin and on the frontend.
	 */
	public function includes() {
		require_once SK_ABSPATH . 'includes/class-template-loader.php';
		require_once SK_ABSPATH . 'includes/class-elementor-widgets.php';
		require_once SK_ABSPATH . 'includes/plugin-update-checker/plugin-update-checker.php';
	}

  public function check_update(){
		$UpdateChecker = Puc_v4_Factory::buildUpdateChecker(
			'https://focuxtheme.com/update-server/?action=get_metadata&slug=sliderkits',
			SK_FILE,
			'sliderkits'
		);
	}

}