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<?php
/**
 * The plugin API class.
 *
 * @since      	1.1.3
 * @since  		1.4 Moved into /inc
 * @package    	LiteSpeed
 * @subpackage 	LiteSpeed/inc
 * @author     	LiteSpeed Technologies <info@litespeedtech.com>
 */
namespace LiteSpeed;

defined( 'WPINC' ) || exit;

class API extends Base {
	const VERSION =	Core::VER;

	const TYPE_FEED 					= Tag::TYPE_FEED ;
	const TYPE_FRONTPAGE 				= Tag::TYPE_FRONTPAGE ;
	const TYPE_HOME 					= Tag::TYPE_HOME ;
	const TYPE_PAGES 					= Tag::TYPE_PAGES ;
	const TYPE_PAGES_WITH_RECENT_POSTS 	= Tag::TYPE_PAGES_WITH_RECENT_POSTS ;
	const TYPE_HTTP 					= Tag::TYPE_HTTP ;
	const TYPE_ARCHIVE_POSTTYPE 		= Tag::TYPE_ARCHIVE_POSTTYPE ;
	const TYPE_ARCHIVE_TERM 			= Tag::TYPE_ARCHIVE_TERM ;
	const TYPE_AUTHOR 					= Tag::TYPE_AUTHOR ;
	const TYPE_ARCHIVE_DATE 			= Tag::TYPE_ARCHIVE_DATE ;
	const TYPE_BLOG 					= Tag::TYPE_BLOG ;
	const TYPE_LOGIN 					= Tag::TYPE_LOGIN ;
	const TYPE_URL 						= Tag::TYPE_URL ;

	const TYPE_ESI 					= Tag::TYPE_ESI ;

	const PARAM_NAME =				ESI::PARAM_NAME ;
	const WIDGET_O_ESIENABLE =	ESI::WIDGET_O_ESIENABLE ;
	const WIDGET_O_TTL =			ESI::WIDGET_O_TTL ;

	/**
	 * Instance
	 *
	 * @since  3.0
	 */
	public function __construct() {
	}

	/**
	 * Define hooks to be used in other plugins.
	 *
	 * The benefit to use hooks other than functions is no need to detech if LSCWP enabled and function existed or not anymore
	 *
	 * @since  3.0
	 */
	public function init() {
		/**
		 * Init
		 */
		// Action `litespeed_init` // @previous API::hook_init( $hook )

		/**
		 * Conf
		 */
		add_filter( 'litespeed_conf', array( $this, 'conf' ) ); // @previous API::config($id)
		// Action `litespeed_conf_append` // @previous API::conf_append( $name, $default )
		add_action( 'litespeed_conf_multi_switch', __NAMESPACE__ . '\Base::set_multi_switch', 10, 2 );
		// Action ``litespeed_conf_force` // @previous API::force_option( $k, $v )

		/**
		 * Cache Control Hooks
		 */
		// Action `litespeed_control_finalize` // @previous API::hook_control($tags) && action `litespeed_api_control`
		add_action( 'litespeed_control_set_private', __NAMESPACE__ . '\Control::set_private' ); // @previous  API::set_cache_private()
		add_action( 'litespeed_control_set_nocache', __NAMESPACE__ . '\Control::set_nocache' ); // @previous  API::set_nocache( $reason = false )
		add_action( 'litespeed_control_set_cacheable', array( $this, 'set_cacheable' ) ); // Might needed if not call hook `wp` // @previous API::set_cacheable( $reason )
		add_action( 'litespeed_control_force_cacheable', __NAMESPACE__ . '\Control::force_cacheable' ); // Set cache status to force cacheable ( Will ignore most kinds of non-cacheable conditions ) // @previous API::set_force_cacheable( $reason )
		add_action( 'litespeed_control_force_public', __NAMESPACE__ . '\Control::set_public_forced' ); // Set cache to force public cache if cacheable ( Will ignore most kinds of non-cacheable conditions ) // @previous API::set_force_public( $reason )
		add_filter( 'litespeed_control_cacheable', __NAMESPACE__ . '\Control::is_cacheable', 3 ); // Note: Read-Only. Directly append to this filter won't work. Call actions above to set cacheable or not // @previous API::not_cacheable()
		add_action( 'litespeed_control_set_ttl', __NAMESPACE__ . '\Control::set_custom_ttl', 10, 2 ); // @previous API::set_ttl( $val )
		add_filter( 'litespeed_control_ttl', array( $this, 'get_ttl' ), 3 ); // @previous API::get_ttl()

		/**
		 * Tag Hooks
		 */
		// Action `litespeed_tag_finalize` // @previous API::hook_tag( $hook )
		add_action( 'litespeed_tag', __NAMESPACE__ . '\Tag::add' ); // Shorter alias of `litespeed_tag_add`
		add_action( 'litespeed_tag_post', __NAMESPACE__ . '\Tag::add_post' ); // Shorter alias of `litespeed_tag_add_post`
		add_action( 'litespeed_tag_widget', __NAMESPACE__ . '\Tag::add_widget' ); // Shorter alias of `litespeed_tag_add_widget`
		add_action( 'litespeed_tag_private', __NAMESPACE__ . '\Tag::add_private' ); // Shorter alias of `litespeed_tag_add_private`
		add_action( 'litespeed_tag_private_esi', __NAMESPACE__ . '\Tag::add_private_esi' ); // Shorter alias of `litespeed_tag_add_private_esi`

		add_action( 'litespeed_tag_add', __NAMESPACE__ . '\Tag::add' ); // @previous API::tag_add( $tag )
		add_action( 'litespeed_tag_add_post', __NAMESPACE__ . '\Tag::add_post' );
		add_action( 'litespeed_tag_add_widget', __NAMESPACE__ . '\Tag::add_widget' );
		add_action( 'litespeed_tag_add_private', __NAMESPACE__ . '\Tag::add_private' ); // @previous API::tag_add_private( $tags )
		add_action( 'litespeed_tag_add_private_esi', __NAMESPACE__ . '\Tag::add_private_esi' );

		/**
		 * Purge Hooks
		 */
		// Action `litespeed_purge_finalize` // @previous API::hook_purge($tags)
		add_action( 'litespeed_purge', __NAMESPACE__ . '\Purge::add' ); // @previous API::purge($tags)
		add_action( 'litespeed_purge_all', __NAMESPACE__ . '\Purge::purge_all' );
		add_action( 'litespeed_purge_post', array( $this, 'purge_post' ) ); // @previous API::purge_post( $pid )
		add_action( 'litespeed_purge_posttype', __NAMESPACE__ . '\Purge::purge_posttype' );
		add_action( 'litespeed_purge_url', array( $this, 'purge_url' ) );
		add_action( 'litespeed_purge_widget', __NAMESPACE__ . '\Purge::purge_widget' );
		add_action( 'litespeed_purge_esi', __NAMESPACE__ . '\Purge::purge_esi' );
		add_action( 'litespeed_purge_private', __NAMESPACE__ . '\Purge::add_private' ); // @previous API::purge_private( $tags )
		add_action( 'litespeed_purge_private_esi', __NAMESPACE__ . '\Purge::add_private_esi' );
		add_action( 'litespeed_purge_private_all', __NAMESPACE__ . '\Purge::add_private_all' ); // @previous API::purge_private_all()
		// Action `litespeed_api_purge_post` // Triggered when purge a post // @previous API::hook_purge_post($hook)
		// Action `litespeed_purged_all` // Triggered after purged all.
		add_action( 'litespeed_purge_all_object', __NAMESPACE__ . '\Purge::purge_all_object' );
		add_action( 'litespeed_purge_ucss', __NAMESPACE__ . '\Purge::purge_ucss' );

		/**
		 * ESI
		 */
		// Action `litespeed_nonce` // @previous API::nonce_action( $action ) & API::nonce( $action = -1, $defence_for_html_filter = true ) // NOTE: only available after `init` hook
		add_filter( 'litespeed_esi_status', array( $this, 'esi_enabled' ) ); // Get ESI enable status // @previous API::esi_enabled()
		add_filter( 'litespeed_esi_url', array( $this, 'sub_esi_block' ), 10, 8 ); // Generate ESI block url // @previous API::esi_url( $block_id, $wrapper, $params = array(), $control = 'private,no-vary', $silence = false, $preserved = false, $svar = false, $inline_val = false )
		// Filter `litespeed_widget_default_options` // Hook widget default settings value. Currently used in Woo 3rd // @previous API::hook_widget_default_options( $hook )
		// Filter `litespeed_esi_params` // @previous API::hook_esi_param( $hook )
		// Action `litespeed_tpl_normal` // @previous API::hook_tpl_not_esi($hook) && Action `litespeed_is_not_esi_template`
		// Action `litespeed_esi_load-$block` // @usage add_action( 'litespeed_esi_load-' . $block, $hook ) // @previous API::hook_tpl_esi($block, $hook)
		add_action( 'litespeed_esi_combine', __NAMESPACE__ . '\ESI::combine' );

		/**
		 * Vary
		 *
		 * To modify default vary, There are two ways: Action `litespeed_vary_append` or Filter `litespeed_vary`
		 */
		add_action( 'litespeed_vary_ajax_force', __NAMESPACE__ . '\Vary::can_ajax_vary' ); // API::force_vary() -> Action `litespeed_vary_ajax_force` // Force finalize vary even if its in an AJAX call
		// Filter `litespeed_vary_curr_cookies` to generate current in use vary, which will be used for response vary header.
		// Filter `litespeed_vary_cookies` to register the final vary cookies, which will be written to rewrite rule. (litespeed_vary_curr_cookies are always equal to or less than litespeed_vary_cookies)
		// Filter `litespeed_vary` // Previous API::hook_vary_finalize( $hook )
		add_action( 'litespeed_vary_no', __NAMESPACE__ . '\Control::set_no_vary' ); // API::set_cache_no_vary() -> Action `litespeed_vary_no` // Set cache status to no vary

		// add_filter( 'litespeed_is_mobile', __NAMESPACE__ . '\Control::is_mobile' ); // API::set_mobile() -> Filter `litespeed_is_mobile`

		/**
		 * Cloud
		 */
		add_filter( 'litespeed_is_from_cloud', array( $this, 'is_from_cloud' ) ); // Check if current request is from QC (usally its to check REST access) // @see https://wordpress.org/support/topic/image-optimization-not-working-3/

		/**
		 * Media
		 */
		add_action( 'litespeed_media_reset', __NAMESPACE__ . '\Media::delete_attachment' ); // Reset one media row

		/**
		 * GUI
		 */
		// API::clean_wrapper_begin( $counter = false ) -> Filter `litespeed_clean_wrapper_begin` // Start a to-be-removed html wrapper
		add_filter( 'litespeed_clean_wrapper_begin', __NAMESPACE__ . '\GUI::clean_wrapper_begin' );
		// API::clean_wrapper_end( $counter = false ) -> Filter `litespeed_clean_wrapper_end` // End a to-be-removed html wrapper
		add_filter( 'litespeed_clean_wrapper_end', __NAMESPACE__ . '\GUI::clean_wrapper_end' );

		/**
		 * Mist
		 */
		add_action( 'litespeed_debug', __NAMESPACE__ . '\Debug2::debug', 10, 2 ); // API::debug()-> Action `litespeed_debug`
		add_action( 'litespeed_debug2', __NAMESPACE__ . '\Debug2::debug2', 10, 2 ); // API::debug2()-> Action `litespeed_debug2`
		add_action( 'litespeed_disable_all', array( $this, '_disable_all' ) ); // API::disable_all( $reason ) -> Action `litespeed_disable_all`

		add_action( 'litspeed_after_admin_init', array( $this, '_after_admin_init' ) );
	}

	/**
	 * API for admin related
	 *
	 * @since  3.0
	 * @access public
	 */
	public function _after_admin_init() {
		/**
		 * GUI
		 */
		add_action( 'litespeed_setting_enroll', array( $this->cls( 'Admin_Display' ), 'enroll' ), 10, 4 ); // API::enroll( $id ) // Register a field in setting form to save
		add_action( 'litespeed_build_switch', array( $this->cls( 'Admin_Display' ), 'build_switch' ) ); // API::build_switch( $id ) // Build a switch div html snippet
		// API::hook_setting_content( $hook, $priority = 10, $args = 1 ) -> Action `litespeed_settings_content`
		// API::hook_setting_tab( $hook, $priority = 10, $args = 1 ) -> Action `litespeed_settings_tab`
	}

	/**
	 * Disable All (Note: Not for direct call, always use Hooks)
	 *
	 * @since 2.9.7.2
	 * @access public
	 */
	public function _disable_all( $reason ) {
		do_action( 'litespeed_debug', '[API] Disabled_all due to ' . $reason );

		! defined( 'LITESPEED_DISABLE_ALL' ) && define( 'LITESPEED_DISABLE_ALL', true );
	}

	/**
	 * @since 3.0
	 */
	public static function vary_append_commenter() {
		Vary::cls()->append_commenter() ;
	}

	/**
	 * Check if is from Cloud
	 *
	 * @since 4.2
	 */
	public function is_from_cloud() {
		return $this->cls( 'Cloud' )->is_from_cloud();
	}

	public function purge_post( $pid ) {
		$this->cls( 'Purge' )->purge_post( $pid );
	}

	public function purge_url( $url ) {
		$this->cls( 'Purge' )->purge_url( $url );
	}

	public function set_cacheable( $reason = false ) {
		$this->cls( 'Control' )->set_cacheable( $reason );
	}

	public function esi_enabled() {
		return $this->cls( 'Router' )->esi_enabled();
	}

	public function get_ttl() {
		return $this->cls( 'Control' )->get_ttl();
	}

	public function sub_esi_block( $block_id, $wrapper, $params = array(), $control = 'private,no-vary', $silence = false, $preserved = false, $svar = false, $inline_param = array() ) {
		return $this->cls( 'ESI' )->sub_esi_block( $block_id, $wrapper, $params, $control, $silence, $preserved, $svar, $inline_param );
	}

}