<?php

/**

 * @package Redux_Tracking

 */



if ( !class_exists( 'ReduxFramework' ) ) {

	return;

}



/**

 * Class that creates the tracking functionality for Redux, as the core class might be used in more plugins,

 * it's checked for existence first.

 *

 * NOTE: this functionality is opt-in. Disabling the tracking in the settings or saying no when asked will cause

 * this file to not even be loaded.

 */





if ( !class_exists( 'Redux_Tracking' ) ) {

	/**

	 * Class Redux_Tracking

	 */

	class Redux_Tracking extends ReduxFramework {



		/**

		 * Class constructor

		 * @param ReduxFramework $parent

		 */

		function __construct($parent){



			$options = get_option( 'Redux_Framework' );



			if ( ! isset( $options['allow_tracking'] ) && isset( $_GET['page'] ) && $_GET['page'] == $parent->args['page_slug'] ) {

				wp_enqueue_style( 'wp-pointer' );

				wp_enqueue_script( 'jquery' );

				wp_enqueue_script( 'jquery-ui' );

				wp_enqueue_script( 'wp-pointer' );

				wp_enqueue_script( 'utils' );

				add_action( 'admin_print_footer_scripts', array( $this, 'tracking_request' ) );

			} 



			if ($options['allow_tracking'] == true) {

				// The tracking checks daily, but only sends new data every 7 days.

				if ( !wp_next_scheduled( 'redux_tracking' ) ) {

					wp_schedule_event( time(), 'daily', 'redux_tracking' );

				}

				add_action( 'redux_tracking', array( $this, 'tracking' ) );

			}

		}





		/**

		 * Shows a popup that asks for permission to allow tracking.

		 */

		function tracking_request() {

			$id    = '#wpadminbar';

			$nonce = wp_create_nonce( 'redux_activate_tracking' );



			$content = '<h3>' . __( 'Help improve Our Panel', 'redux-framework' ) . '</h3>';

			$content .= '<p>' . __( 'Please helps us improve our panel by allowing us to gather anonymous usage stats so we know which configurations, plugins and themes to test with.', 'redux-framework' ) . '</p>';

			$opt_arr = array(

				'content'  => $content,

				'position' => array( 'edge' => 'top', 'align' => 'center' )

			);

			$button2 = __( 'Allow tracking', 'redux-framework' );



			$function2 = 'redux_store_answer("yes","' . $nonce . '")';

			$function1 = 'redux_store_answer("no","' . $nonce . '")';



			$this->print_scripts( $id, $opt_arr, __( 'Do not allow tracking', 'redux-framework' ), $button2, $function2, $function1 );

		}		





		/**

		 * Prints the pointer script

		 *

		 * @param string      $selector         The CSS selector the pointer is attached to.

		 * @param array       $options          The options for the pointer.

		 * @param string      $button1          Text for button 1

		 * @param string|bool $button2          Text for button 2 (or false to not show it, defaults to false)

		 * @param string      $button2_function The JavaScript function to attach to button 2

		 * @param string      $button1_function The JavaScript function to attach to button 1

		 */

		function print_scripts( $selector, $options, $button1, $button2 = false, $button2_function = '', $button1_function = '' ) {

			?>

			<script type="text/javascript">

				//<![CDATA[

				(function ($) {

					$(document).ready(function(){

					var redux_pointer_options = <?php echo json_encode( $options ); ?>, setup;



					function redux_store_answer(input, nonce) {

						var redux_tracking_data = {

							action        : 'redux_allow_tracking',

							allow_tracking: input,

							nonce         : nonce

						}

						jQuery.post(ajaxurl, redux_tracking_data, function () {

							jQuery('#wp-pointer-0').remove();

						});

					}



					redux_pointer_options = $.extend(redux_pointer_options, {

						buttons: function (event, t) {

							button = jQuery('<a id="pointer-close" style="margin-left:5px" class="button-secondary">' + '<?php echo $button1; ?>' + '</a>');

							button.bind('click.pointer', function () {

								t.element.pointer('close');

							});

							return button;

						},

						close  : function () {

						}

					});



					setup = function () {

						$('<?php echo $selector; ?>').pointer(redux_pointer_options).pointer('open');

						<?php if ( $button2 ) { ?>

						jQuery('#pointer-close').after('<a id="pointer-primary" class="button-primary">' + '<?php echo $button2; ?>' + '</a>');

						jQuery('#pointer-primary').click(function () {

							<?php echo $button2_function; ?>

						});

						jQuery('#pointer-close').click(function () {

							<?php if ( $button1_function == '' ) { ?>

							redux_setIgnore("tour", "wp-pointer-0", "<?php echo wp_create_nonce( 'wpseo-ignore' ); ?>");

							<?php } else { ?>

							<?php echo $button1_function; ?>

							<?php } ?>

						});

						<?php } ?>

					};



					if (redux_pointer_options.position && redux_pointer_options.position.defer_loading)

						$(window).bind('load.wp-pointers', setup);

					else

						$(document).ready(setup);

				});	

				})(jQuery);

				//]]>

			</script>

		<?php

		}





		/**

		 * Main tracking function.

		 */

		function tracking() {

			// Start of Metrics

			global $blog_id, $wpdb;



			$hash = get_option( 'Redux_Tracking_Hash' );

			if ( !isset( $hash ) || !$hash || empty( $hash ) ) {

				$hash = md5( site_url() .'-'. $_SERVER['REMOTE_ADDR'] );

				update_option( 'Redux_Tracking_Hash', $hash );

			}



			$data = get_transient( 'redux_tracking_cache' );

			if ( !$data ) {



				$pts = array();

				foreach ( get_post_types( array( 'public' => true ) ) as $pt ) {

					$count    = wp_count_posts( $pt );

					$pts[$pt] = $count->publish;

				}



				$comments_count = wp_count_comments();

            	$theme_data = wp_get_theme();

				$theme      = array(

					'version'  => $theme_data->Version,

					'name'     => $theme_data->Name,

					'author'   => $theme_data->Author,

					'template' => $theme_data->Template,

				);			



				$plugins = array();

				foreach ( get_option( 'active_plugins' ) as $plugin_path ) {

					if ( !function_exists( 'get_plugin_data' ) )

						require_once( ABSPATH . 'wp-admin/includes/admin.php' );



					$plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin_path );



					$slug           = str_replace( '/' . basename( $plugin_path ), '', $plugin_path );

					$plugins[$slug] = array(

						'version'    => $plugin_info['Version'],

						'name'       => $plugin_info['Name'],

						'plugin_uri' => $plugin_info['PluginURI'],

						'author'     => $plugin_info['AuthorName'],

						'author_uri' => $plugin_info['AuthorURI'],

					);

				}



				$data = array(

					'_id' => $hash,

					'localhost' => ( $_SERVER['REMOTE_ADDR'] === '127.0.0.1' ) ? 1 : 0,

					'site'     => array(

						'hash'      => $hash,

						'version'   => get_bloginfo( 'version' ),

						'multisite' => is_multisite(),

						'users'     => $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->users INNER JOIN $wpdb->usermeta ON ({$wpdb->users}.ID = {$wpdb->usermeta}.user_id) WHERE 1 = 1 AND ( {$wpdb->usermeta}.meta_key = %s )", 'wp_' . $blog_id . '_capabilities' ) ),

						'lang'      => get_locale()

					),

					'pts'      => $pts,

					'comments' => array(

						'total'    => $comments_count->total_comments,

						'approved' => $comments_count->approved,

						'spam'     => $comments_count->spam,

						'pings'    => $wpdb->get_var( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_type = 'pingback'" ),

					),

					'options'  => apply_filters( 'redux/tracking/options', array() ),

					'theme'    => $theme,

					'developer'=> apply_filters( 'redux/tracking/developer', array() ),

					'plugins'  => $plugins,

				);

				if (empty($data['developer'])) {

					unset($data['developer']);

				}

				$args = array(

					'body' => $data

				);

				$response = wp_remote_post( 'https://redux-tracking.herokuapp.com', $args );



				// Store for a week, then push data again.

				set_transient( 'redux_tracking_cache', true, 7 * 60 * 60 * 24 );

			}

		}

	}





	/**

	 * Adds tracking parameters for Redux settings. Outside of the main class as the class could also be in use in other ways.

	 *

	 * @param array $options

	 * @return array

	 */

	function redux_tracking_additions( $options ) {

		$opt = array();



		$options['redux'] = array(

			'demo_mode' => get_option( 'ReduxFrameworkPlugin'),

		);

		return $options;

	}

	add_filter( 'redux/tracking/options', 'redux_tracking_additions' );





	function redux_allow_tracking_callback() {



		// Verify that the incoming request is coming with the security nonce

		if( wp_verify_nonce( $_REQUEST['nonce'], 'redux_activate_tracking' ) ) {

			$option = get_option('Redux_Framework');

			$option['allow_tracking'] = $_REQUEST['allow_tracking'];

			if ( update_option( 'Redux_Framework', $option ) ) {

				die( '1' );

			} else {

				die( '0' );

			}

		} else {

			// Send -1 if the attempt to save via Ajax was completed invalid.

			die( '-1' );

		} // end if



	}

	add_action('wp_ajax_redux_allow_tracking', 'redux_allow_tracking_callback');



}