<?php

namespace AdPresso\Admin;

use AdPresso\Infrastructure\Params;
use AdPresso\Infrastructure\Util;

defined( 'ABSPATH' ) || exit;

/**
 * Our entities are edited in the list-table modal only; classic editor URLs redirect there.
 */
class ClassicEditorRedirect {

	/**
	 * Registers the WP hooks.
	 */
	public function hooks(): void {
		add_action( 'load-post.php', [ $this, 'redirect_edit_screen' ] );
		add_action( 'load-post-new.php', [ $this, 'redirect_list_screen' ] );
		add_action( 'load-edit.php', [ $this, 'redirect_list_screen' ] );
	}

	/**
	 * Modal URL for the post in ?post=, '' if it is not one of ours.
	 */
	public static function resolve_edit_screen_url(): string {
		$post_id = Params::get()->getId( 'post' );

		return $post_id ? Util::get_post_edit_url( $post_id ) : '';
	}

	/**
	 * List-table tab URL for the post type in ?post_type=, '' if it is not one of ours.
	 */
	public static function resolve_list_screen_url(): string {
		$slug = Util::get_entity_type_slug( Params::get()->getKey( 'post_type' ) );

		return $slug ? admin_url( 'admin.php?page=adpresso-list-tables&tab=' . $slug ) : '';
	}

	/**
	 * Handler for load-post.php.
	 */
	public function redirect_edit_screen(): void {
		$this->redirect( self::resolve_edit_screen_url() );
	}

	/**
	 * Handler for load-post-new.php and load-edit.php.
	 */
	public function redirect_list_screen(): void {
		$this->redirect( self::resolve_list_screen_url() );
	}

	/**
	 * Redirects and exits, unless there is nowhere to go.
	 *
	 * @param string $url Target URL or ''.
	 */
	private function redirect( string $url ): void {
		if ( '' === $url ) {
			return;
		}
		wp_safe_redirect( $url );
		exit;
	}
}