<?php 

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

if( ! class_exists('ACF_Legacy_Location') ) :

abstract class ACF_Legacy_Location {
	
	/**
	 * Constructor.
	 *
	 * @date	5/03/2014
	 * @since	5.0.0
	 *
	 * @param	void
	 * @return	void
	 */
	public function __construct() {
		
		// Add legacy method filters.
		if( method_exists($this, 'rule_match') ) {
			add_filter( "acf/location/rule_match/{$this->name}", array( $this, 'rule_match' ), 5, 3 );
		}
		if( method_exists($this, 'rule_operators') ) {
			add_filter( "acf/location/rule_operators/{$this->name}", array( $this, 'rule_operators' ), 5, 2 );
		}
		if( method_exists($this, 'rule_values') ) {
			add_filter( "acf/location/rule_values/{$this->name}", array( $this, 'rule_values' ), 5, 2 );
		}
	}
	
	/**
	 * Magic __call method for backwards compatibility.
	 *
	 * @date	10/4/20
	 * @since	5.9.0
	 *
	 * @param	string $name The method name.
	 * @param	array $arguments The array of arguments.
	 * @return	mixed
	 */
	public function __call( $name, $arguments ) {
		
		// Add backwards compatibility for legacy methods.
		// - Combine 3x legacy filters cases together (remove first args).
		switch( $name ) {
			case 'rule_match':
				$method = isset($method) ? $method : 'match';
				$arguments[3] = isset($arguments[3]) ? $arguments[3] : false; // Add $field_group param.
			case 'rule_operators':
				$method = isset($method) ? $method : 'get_operators';
			case 'rule_values':
				$method = isset($method) ? $method : 'get_values';
				array_shift( $arguments );
				return call_user_func_array( array($this, $method), $arguments );
			case 'compare':
				return call_user_func_array( array($this, 'compare_to_rule'), $arguments );
		}
    }
}

endif; // class_exists check
