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<?php

/**
 * The tools
 *
 * @since       3.0
 * @package     LiteSpeed
 * @subpackage  LiteSpeed/inc
 * @author      LiteSpeed Technologies <info@litespeedtech.com>
 */

namespace LiteSpeed;

defined('WPINC') || exit();

class Tool extends Root {

	const LOG_TAG = '[Tool]';

	/**
	 * Get public IP
	 *
	 * @since  3.0
	 * @access public
	 */
	public function check_ip() {
		self::debug('✅ check_ip');

		$response = wp_safe_remote_get('https://cyberpanel.sh/?ip', array(
			'headers' => array(
				'User-Agent' => 'curl/8.7.1',
			),
		));

		if (is_wp_error($response)) {
			return __('Failed to detect IP', 'litespeed-cache');
		}

		$ip = trim($response['body']);

		self::debug('result [ip] ' . $ip);

		if (Utility::valid_ipv4($ip)) {
			return $ip;
		}

		return __('Failed to detect IP', 'litespeed-cache');
	}

	/**
	 * Heartbeat Control
	 *
	 * NOTE: since WP4.9, there could be a core bug that sometimes the hook is not working.
	 *
	 * @since  3.0
	 * @access public
	 */
	public function heartbeat() {
		add_action('wp_enqueue_scripts', array( $this, 'heartbeat_frontend' ));
		add_action('admin_enqueue_scripts', array( $this, 'heartbeat_backend' ));
		add_filter('heartbeat_settings', array( $this, 'heartbeat_settings' ));
	}

	/**
	 * Heartbeat Control frontend control
	 *
	 * @since  3.0
	 * @access public
	 */
	public function heartbeat_frontend() {
		if (!$this->conf(Base::O_MISC_HEARTBEAT_FRONT)) {
			return;
		}

		if (!$this->conf(Base::O_MISC_HEARTBEAT_FRONT_TTL)) {
			wp_deregister_script('heartbeat');
			Debug2::debug('[Tool] Deregistered frontend heartbeat');
		}
	}

	/**
	 * Heartbeat Control backend control
	 *
	 * @since  3.0
	 * @access public
	 */
	public function heartbeat_backend() {
		if ($this->_is_editor()) {
			if (!$this->conf(Base::O_MISC_HEARTBEAT_EDITOR)) {
				return;
			}

			if (!$this->conf(Base::O_MISC_HEARTBEAT_EDITOR_TTL)) {
				wp_deregister_script('heartbeat');
				Debug2::debug('[Tool] Deregistered editor heartbeat');
			}
		} else {
			if (!$this->conf(Base::O_MISC_HEARTBEAT_BACK)) {
				return;
			}

			if (!$this->conf(Base::O_MISC_HEARTBEAT_BACK_TTL)) {
				wp_deregister_script('heartbeat');
				Debug2::debug('[Tool] Deregistered backend heartbeat');
			}
		}
	}

	/**
	 * Heartbeat Control settings
	 *
	 * @since  3.0
	 * @access public
	 */
	public function heartbeat_settings( $settings ) {
		// Check editor first to make frontend editor valid too
		if ($this->_is_editor()) {
			if ($this->conf(Base::O_MISC_HEARTBEAT_EDITOR)) {
				$settings['interval'] = $this->conf(Base::O_MISC_HEARTBEAT_EDITOR_TTL);
				Debug2::debug('[Tool] Heartbeat interval set to ' . $this->conf(Base::O_MISC_HEARTBEAT_EDITOR_TTL));
			}
		} elseif (!is_admin()) {
			if ($this->conf(Base::O_MISC_HEARTBEAT_FRONT)) {
				$settings['interval'] = $this->conf(Base::O_MISC_HEARTBEAT_FRONT_TTL);
				Debug2::debug('[Tool] Heartbeat interval set to ' . $this->conf(Base::O_MISC_HEARTBEAT_FRONT_TTL));
			}
		} elseif ($this->conf(Base::O_MISC_HEARTBEAT_BACK)) {
			$settings['interval'] = $this->conf(Base::O_MISC_HEARTBEAT_BACK_TTL);
			Debug2::debug('[Tool] Heartbeat interval set to ' . $this->conf(Base::O_MISC_HEARTBEAT_BACK_TTL));
		}
		return $settings;
	}

	/**
	 * If is in editor
	 *
	 * @since  3.0
	 * @access public
	 */
	private function _is_editor() {
		$res = is_admin() && Utility::str_hit_array($_SERVER['REQUEST_URI'], array( 'post.php', 'post-new.php' ));

		return apply_filters('litespeed_is_editor', $res);
	}
}