<?php
namespace ChargeForms\Includes;
if ( ! defined( 'ABSPATH' ) ) { exit; }

class License_Cron {
	const CRON_HOOK = 'chargeforms_verify_license';
	public static function boot() {
		add_action( 'init', [ __CLASS__, 'maybe_schedule' ] );
		add_action( 'admin_init', [ __CLASS__, 'verify_if_needed' ] );
		add_action( self::CRON_HOOK, [ __CLASS__, 'run' ] );
	}
	public static function maybe_schedule() {
		if ( wp_next_scheduled( self::CRON_HOOK ) && 'hourly' !== wp_get_schedule( self::CRON_HOOK ) ) { wp_clear_scheduled_hook( self::CRON_HOOK ); }
		if ( ! wp_next_scheduled( self::CRON_HOOK ) ) { wp_schedule_event( time() + 60, 'hourly', self::CRON_HOOK ); }
	}
	public static function unschedule() { wp_clear_scheduled_hook( self::CRON_HOOK ); }
	public static function verify_if_needed() {
		if ( ( Settings::get( 'license_key' ) || Settings::get( 'license_pending_deactivation' ) ) && time() - (int) Settings::get( 'license_last_verified' ) >= 3600 ) { self::run(); }
	}
	public static function pending_deactivations() {
		$value = Settings::get( 'license_pending_deactivation', [] );
		if ( ! is_array( $value ) ) { return []; }
		if ( isset( $value['key'], $value['site'] ) ) { $value = [ $value ]; }
		return array_values( array_filter( $value, static function( $record ) {
			return is_array( $record ) && ! empty( $record['key'] ) && ! empty( $record['site'] );
		} ) );
	}
	public static function run() {
		$pending = self::pending_deactivations();
		$remaining = [];
		foreach ( $pending as $record ) {
			// A copied database must never release the original site's slot.
			if ( License_Client::site_hash( $record['site'] ) !== License_Client::site_hash( home_url() ) ) { $remaining[] = $record; continue; }
			$result = License_Client::deactivate( $record['key'], $record['site'] );
			if ( ! $result['success'] ) { $remaining[] = $record; }
		}
		if ( $pending ) { Settings::set_license( [ 'license_pending_deactivation' => $remaining, 'license_last_verified' => time() ] ); }
		$key = Settings::get( 'license_key' );
		if ( ! $key ) { return; }
		$was_valid = Settings::has_pro();
		$result = License_Client::verify( $key, home_url() );
		if ( $result['success'] ) {
			Settings::set_license( [
				'license_status' => 'active', 'license_plan' => $result['plan'],
				'license_activation_limit' => $result['activation_limit'], 'license_site_hash' => $result['site_hash'],
				'license_expires_at' => $result['expires_at'], 'license_last_error' => '',
				'license_last_verified' => time(), 'license_last_validated' => time(),
			] );
		} else {
			Settings::set_license( [
				'license_status' => ! empty( $result['temporary'] ) && $was_valid ? 'active' : 'error',
				'license_last_error' => $result['error'], 'license_last_verified' => time(),
			] );
		}
	}
}