<?php
/**
 * The steps of the first-run guide and which are done. Pure PHP.
 *
 * @package Tidelist
 */

namespace Tidelist\Admin;

/**
 * Onboarding steps.
 */
final class OnboardingSteps {

	const WELCOME    = 'welcome';
	const CONNECT    = 'connect';
	const CATEGORIES = 'categories';
	const PREVIEW    = 'preview';
	const DONE       = 'done';

	/**
	 * The steps in order with their state.
	 *
	 * @param bool $connected          A marketplace account is connected.
	 * @param int  $mapped_categories  Number of mapped shop categories.
	 * @param bool $contact_set        Contact name and city are set.
	 * @param bool $previewed          The owner has opened at least one preview.
	 * @return array<int, array{id:string, done:bool}>
	 */
	public static function steps( bool $connected, int $mapped_categories, bool $contact_set, bool $previewed ): array {
		$steps = array(
			array(
				'id'   => self::WELCOME,
				'done' => true,
			),
			array(
				'id'   => self::CONNECT,
				'done' => $connected && $contact_set,
			),
			array(
				'id'   => self::CATEGORIES,
				'done' => $mapped_categories > 0,
			),
			array(
				'id'   => self::PREVIEW,
				'done' => $previewed,
			),
		);
		$all   = true;
		foreach ( $steps as $step ) {
			$all = $all && $step['done'];
		}
		$steps[] = array(
			'id'   => self::DONE,
			'done' => $all,
		);
		return $steps;
	}

	/**
	 * The first step that is not done (DONE when everything is).
	 *
	 * @param bool $connected         Connected.
	 * @param int  $mapped_categories Mapped categories.
	 * @param bool $contact_set       Contact set.
	 * @param bool $previewed         Previewed.
	 */
	public static function current( bool $connected, int $mapped_categories, bool $contact_set, bool $previewed ): string {
		foreach ( self::steps( $connected, $mapped_categories, $contact_set, $previewed ) as $step ) {
			if ( ! $step['done'] ) {
				return $step['id'];
			}
		}
		return self::DONE;
	}
}