<?php
namespace um\core;

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'um\core\Tracking' ) ) {


	/**
	 * Class Tracking
	 * @package um\core
	 */
	class Tracking {


		/**
		 * @var
		 */
		private $data;


		/**
		 * Tracking constructor.
		 */
		public function __construct() {

			$this->schedule_send();

			add_action( 'um_admin_do_action__opt_into_tracking', array( $this, 'um_admin_do_action__opt_into_tracking' ) );
			add_action( 'um_admin_do_action__opt_out_of_tracking', array( $this, 'um_admin_do_action__opt_out_of_tracking' ) );
		}


		/**
		 * Opt-in tracking
		 *
		 * @param $action
		 */
		function um_admin_do_action__opt_into_tracking( $action ) {
			UM()->options()->update( 'um_allow_tracking', 1 );
			update_option( 'um_tracking_notice', 1 );

			$this->send_checkin(true);

			exit( wp_redirect( remove_query_arg('um_adm_action') ) );
		}


		/**
		 * Opt-out of tracking
		 *
		 * @param $action
		 */
		function um_admin_do_action__opt_out_of_tracking( $action ) {
			UM()->options()->update( 'um_allow_tracking', 0 );
			update_option('um_tracking_notice', 1 );

			exit( wp_redirect( remove_query_arg('um_adm_action') ) );
		}


		/**
		 * Setup info array
		 *
		 */
		private function setup_data() {
			$data = array();

			// Retrieve current theme info
			if ( get_bloginfo( 'version' ) < '3.4' ) {
				$theme_data = get_theme_data( get_stylesheet_directory() . '/style.css' );
				$theme      = $theme_data['Name'];
				$theme_ver  = $theme_data['Version'];
			} else {
				$theme_data = wp_get_theme();
				$theme      = $theme_data->Name;
				$theme_ver  = $theme_data->Version;
			}

			$data['url'] = home_url();
			$data['theme'] = $theme;
			$data['theme_version'] = $theme_ver;
			$data['wp_version'] = get_bloginfo( 'version' );
			$data['version'] = ultimatemember_version;

			// Retrieve current plugin information
			if( ! function_exists( 'get_plugins' ) ) {
				include ABSPATH . '/wp-admin/includes/plugin.php';
			}

			$plugins        = array_keys( get_plugins() );
			$active_plugins = get_option( 'active_plugins', array() );

			foreach ( $plugins as $key => $plugin ) {
				if ( in_array( $plugin, $active_plugins ) ) {
					// Remove active plugins from list so we can show active and inactive separately
					unset( $plugins[ $key ] );
				}
			}

			$data['active_plugins']   = $active_plugins;
			$data['inactive_plugins'] = $plugins;
			$data['language'] = get_bloginfo('language');
			$data['multisite'] = ( is_multisite() ) ? 1 : 0;

			UM()->setup()->install_basics();

			$data['email'] = get_option( 'admin_email' );
			$data['unique_sitekey'] = get_option( '__ultimatemember_sitekey' );

			$this->data = $data;

		}


		/**
		 * Check if tracking is allowed
		 *
		 * @return int
		 */
		private function tracking_allowed() {
			if ( ! UM()->options()->get( 'allow_tracking' ) )
				return 0;
			return 1;
		}


		/**
		 * Get last send time
		 *
		 * @return mixed|void
		 */
		private function get_last_send() {
			return get_option( 'um_tracking_last_send' );
		}


		/**
		 * Send a report
		 *
		 * @param bool $override
		 */
		public function send_checkin( $override = false ) {

			if( ! $this->tracking_allowed() && ! $override )
				return;

			// Send a maximum of once per period
			$last_send = $this->get_last_send();
			if( $last_send && $last_send > strtotime( '-1 day' ) )
				return;

			$this->setup_data();

			if ( !get_option('__ultimatemember_coupon_sent') ) {
				$this->data['send_discount'] = 1;
			} else {
				$this->data['send_discount'] = 0;
			}

			$request = wp_remote_post( 'https://ultimatemember.com/?um_action=checkin', array(
				'method'      => 'POST',
				'timeout'     => 45,
				'redirection' => 5,
				'httpversion' => '1.0',
				'blocking'    => true,
				'body'        => $this->data,
				'user-agent'  => 'UM/' . ultimatemember_version . '; ' . get_bloginfo( 'url' ),
			) );

			update_option( 'um_tracking_last_send', time() );
			update_option( '__ultimatemember_coupon_sent', 1 );
		}


		/**
		 * Run a scheduled report
		 */
		private function schedule_send() {
			add_action( 'um_daily_scheduled_events', array( $this, 'send_checkin' ) );
		}

	}
}