<?php
/**
 * Tracking abstract class.
 *
 * @since 6.0.0
 *
 * @package ExactMetrics
 * @author  Chris Christoff
 */

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

class ExactMetrics_Tracking_Abstract {

	/**
	 * Holds the name of the tracking type.
	 *
	 * @since 6.0.0
	 * @access public
	 *
	 * @var string $name Name of the tracking type.
	 */
	public $name = 'abstract';

	/**
	 * Version of the tracking class.
	 *
	 * @since 6.0.0
	 * @access public
	 *
	 * @var string $version Version of the tracking class.
	 */
	public $version = '1.0.0';

	/**
	 * Primary class constructor.
	 *
	 * @since 6.0.0
	 * @access public
	 */
	public function __construct() {

	}

	/**
	 * Get frontend tracking options.
	 *
	 * This function is used to return an array of parameters
	 * for the frontend_output() function to output. These are
	 * generally dimensions and turned on GA features.
	 *
	 * @return array Array of the options to use.
	 * @since 6.0.0
	 * @access public
	 *
	 */
	public function frontend_tracking_options() {
		return array();
	}

	/**
	 * Get frontend output.
	 *
	 * This function is used to return the Javascript
	 * to output in the head of the page for the given
	 * tracking method.
	 *
	 * @return string Javascript to output.
	 * @since 6.0.0
	 * @access public
	 *
	 */
	public function frontend_output() {
		return "<!-- ExactMetrics Abstract Tracking class -->";
	}
}
