<?php
defined( 'ABSPATH' ) || exit;

final class VC_Plugin {
	private static $instance = null;

	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	private function __construct() {}

	public function init() {
		$this->load_files();

		VC_CPT::init();
		VC_Taxonomies::init();
		VC_Settings::init();
		VC_Structure_Admin::init();
		VC_Routing::init();
		VC_Menu::init();
		VC_Cron::init();
		VC_Display::init();
		VC_Sections::init();
	}

	private function load_files() {
		$files = array(
			'includes/helpers.php',
			'includes/class-vc-logger.php',
			'includes/class-vc-cpt.php',
			'includes/class-vc-taxonomies.php',
			'includes/class-vc-structure.php',
			'includes/class-vc-tags.php',
			'includes/class-vc-api.php',
			'includes/class-vc-importer.php',
			'includes/class-vc-cron.php',
			'includes/class-vc-settings.php',
			'includes/class-vc-structure-admin.php',
			'includes/class-vc-routing.php',
			'includes/class-vc-menu.php',
			'includes/class-vc-display.php',
			'includes/class-vc-sections.php',
		);

		foreach ( $files as $file ) {
			require_once VC_PLUGIN_DIR . $file;
		}
	}

	public static function activate() {
		require_once VC_PLUGIN_DIR . 'includes/helpers.php';
		require_once VC_PLUGIN_DIR . 'includes/class-vc-cpt.php';
		require_once VC_PLUGIN_DIR . 'includes/class-vc-taxonomies.php';
		require_once VC_PLUGIN_DIR . 'includes/class-vc-cron.php';

		VC_CPT::register();
		VC_Taxonomies::register();
		VC_Cron::maybe_schedule();
		flush_rewrite_rules();
		// Structure routes are added on init, which has not run for this
		// request; flush again on the next one so they are included.
		update_option( 'vc_flush_rewrite', 1 );
	}

	public static function deactivate() {
		require_once VC_PLUGIN_DIR . 'includes/class-vc-cron.php';
		VC_Cron::unschedule();
		delete_transient( 'vc_sync_lock' );
		flush_rewrite_rules();
	}
}