<?php
/**
 * Service container and bootstrap.
 *
 * @package GoConsent
 */

namespace GoConsent;

use GoConsent\Admin\Admin;
use GoConsent\Admin\Rest;
use GoConsent\Compliance\ConsentLog;
use GoConsent\Compliance\Report;
use GoConsent\Frontend\Consent;
use GoConsent\Frontend\LocalFonts;
use GoConsent\Frontend\OutputFilter;
use GoConsent\Scanner\Scanner;
use GoConsent\Traffic\Collector;
use GoConsent\Traffic\Store;

defined( 'ABSPATH' ) || exit;

/**
 * Wires every service once and exposes them to the rest of the plugin.
 */
final class Plugin {

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

	/**
	 * Settings.
	 *
	 * @var Settings
	 */
	public $settings;

	/**
	 * Terms.
	 *
	 * @var Terms
	 */
	public $terms;

	/**
	 * Scanner.
	 *
	 * @var Scanner
	 */
	public $scanner;

	/**
	 * Report.
	 *
	 * @var Report
	 */
	public $report;

	/**
	 * Traffic.
	 *
	 * @var Store
	 */
	public $traffic;

	/**
	 * Get (and on first call, boot) the plugin.
	 *
	 * @return Plugin
	 */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
			self::$instance->boot();
		}
		return self::$instance;
	}

	/**
	 * Create services and register hooks.
	 */
	private function boot() {
		Installer::maybe_upgrade();

		$this->settings = new Settings();
		$this->terms    = new Terms();
		$this->scanner  = new Scanner( $this->settings );
		$this->report   = new Report( $this->settings, $this->scanner );
		$this->traffic  = new Store();

		( new Cron( $this->scanner, $this->report, $this->traffic ) )->register();
		( new Rest( $this ) )->register();
		LocalFonts::register();
		\GoConsent\Policies\Tags::register();

		$consent_log = new ConsentLog();
		$consent_log->register_admin();

		if ( is_admin() ) {
			( new Admin( $this ) )->register();
		}

		// Visitor-facing protection runs only after an admin accepts the terms.
		if ( $this->terms->accepted() && $this->settings->get( 'enabled' ) ) {
			( new Consent( $this->settings ) )->register();
			( new OutputFilter( $this->settings, $this->scanner ) )->register();
			( new Collector( $this->settings, $this->traffic ) )->register();
			$consent_log->register_public();
		}

		/**
		 * Fires after GoConsent has booted. Integrations (e.g. hosting plugins) hook here.
		 *
		 * @param Plugin $plugin The plugin instance.
		 */
		do_action( 'goconsent_loaded', $this );
	}

	/**
	 * Whether visitor-facing protection is running on this request.
	 *
	 * @return bool
	 */
	public function is_protecting() {
		return $this->terms->accepted() && (bool) $this->settings->get( 'enabled' );
	}
}