<?php 

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

if( ! class_exists('ACF_Location_Post_Format') ) :

class ACF_Location_Post_Format extends ACF_Location {
	
	/**
	 * Initializes props.
	 *
	 * @date	5/03/2014
	 * @since	5.0.0
	 *
	 * @param	void
	 * @return	void
	 */
	public function initialize() {
		$this->name = 'post_format';
		$this->label = __( "Post Format", 'acf' );
		$this->category = 'post';
    	$this->object_type = 'post';
	}
	
	/**
	 * Matches the provided rule against the screen args returning a bool result.
	 *
	 * @date	9/4/20
	 * @since	5.9.0
	 *
	 * @param	array $rule The location rule.
	 * @param	array $screen The screen args.
	 * @param	array $field_group The field group settings.
	 * @return	bool
	 */
	public function match( $rule, $screen, $field_group ) {
		
		// Check screen args.
		if( isset($screen['post_format']) ) {
			$post_format = $screen['post_format'];
		} elseif( isset($screen['post_id']) ) {
			$post_type = get_post_type( $screen['post_id'] );
			$post_format = get_post_format( $screen['post_id'] );
			
			// Treat new posts (that support post-formats) without a saved format as "standard".
			if( !$post_format && post_type_supports($post_type, 'post-formats') ) {
				$post_format = 'standard';
			}
		} else {
			return false;
		}
		
		// Compare rule against $post_format.
		return $this->compare_to_rule( $post_format, $rule );
	}
	
	/**
	 * Returns an array of possible values for this rule type.
	 *
	 * @date	9/4/20
	 * @since	5.9.0
	 *
	 * @param	array $rule A location rule.
	 * @return	array
	 */
	public function get_values( $rule ) {
		return get_post_format_strings();
	}
}

// initialize
acf_register_location_type( 'ACF_Location_Post_Format' );

endif; // class_exists check