<?php declare(strict_types = 1);

namespace MailPoet\WPCOM;

class DotcomHelperFunctions {
  /**
   * Returns true if in the context of WordPress.com Atomic platform.
   *
   * @return bool
   */
  public function isAtomicPlatform(): bool {
    // ATOMIC_CLIENT_ID === '2' corresponds to WordPress.com client on the Atomic platform
    return defined('IS_ATOMIC') && IS_ATOMIC && defined('ATOMIC_CLIENT_ID') && (ATOMIC_CLIENT_ID === '2');
  }

  /**
   * Returns true if the site is on WordPress.com.
   */
  public function isDotcom(): bool {
    return $this->isAtomicPlatform() ;
  }

  /**
   * Returns true if the site has an ecommerce-related plans on WordPress.com.
   * See https://github.com/Automattic/wc-calypso-bridge#active-plan-detection
   */
  public function isCommerce(): bool {
    return function_exists('wc_calypso_bridge_has_ecommerce_features') && wc_calypso_bridge_has_ecommerce_features() ;
  }

  /**
   * Returns true if the site has a business plan on WordPress.com.
   * See https://github.com/Automattic/wc-calypso-bridge#active-plan-detection
   */
  public function isBusiness(): bool {
    return function_exists('wc_calypso_bridge_is_business_plan') && wc_calypso_bridge_is_business_plan() ;
  }

  /**
   * Returns the plan name for the current site if hosted on WordPress.com.
   * Empty otherwise.
   */
  public function getDotcomPlan(): string {
    if ($this->isCommerce()) {
      return 'commerce';
    };

    if ($this->isBusiness()) {
      return 'business';
    };

    return '';
  }
}