// because in all that time we will consider the store to have orders regardless of new orders.
				$expiration = strtotime( $latest_order->get_date_created() ) + 90 * DAY_IN_SECONDS - time();
			}
		}

		// Store the value for future use.
		set_transient( self::HAS_ORDERS_TRANSIENT_NAME, $has_orders ? 'yes' : 'no', $expiration );

		return $has_orders;
	}

	/**
	 * Check if the current incentive has been manually dismissed.
	 *
	 * @return boolean
	 */
	private function is_incentive_dismissed(): bool {
		$dismissed_incentives = get_option( 'wcpay_welcome_page_incentives_dismissed', [] );

		// If there are no dismissed incentives, return early.
		if ( empty( $dismissed_incentives ) ) {
			return false;
		}

		// Return early if there is no eligible incentive.
		$incentive = $this->get_incentive();
		if ( empty( $incentive ) ) {
			return true;
		}

		// Search the incentive ID in the dismissed incentives list.
		if ( in_array( $incentive['id'], $dismissed_incentives, true ) ) {
			return true;
		}

		return false;
	}

	/**
	 * Fetches and caches eligible incentive from the WooPayments API.
	 *
	 * @return array|null Array of eligible incentive or null.
	 */
	private function get_incentive(): ?array {
		// Return in-memory cached incentive if it is set.
		if ( isset( $this->incentive ) ) {
			return $this->incentive;
		}

		// Get the cached data.
		$cache = get_transient( self::CACHE_TRANSIENT_NAME );

		// If the cached data is not expired and it's a WP_Error,
		// it means there was an API error previously and we should not retry just yet.
		if ( is_wp_error( $cache ) ) {
			// Initialize the in-memory cache and return it.
			$this->incentive = array();

			return $this->incentive;
		}

		// Gather the store context data.
		$store_context = array(
			// Store ISO-2 country code, e.g. `US`.
			'country'      => WC()->countries->get_base_country(),
			// Store locale, e.g. `en_US`.
			'locale'       => get_locale(),
			// WooCommerce store active for duration in seconds.
			'active_for'   => WCAdminHelper::get_wcadmin_active_for_in_seconds(),
			'has_orders'   => $this->has_orders(),
			// Whether the store has at least one payment gateway enabled.
			'has_payments' => ! empty( WC()->payment_gateways()->get_available_payment_gateways() ),
			'has_wcpay'    => $this->has_wcpay(),
		);

		// Fingerprint the store context through a hash of certain entries.
		$store_context_hash = $this->generate_context_hash( $store_context );

		// Use the transient cached incentive if it exists, it is not expired,
		// and the store context hasn't changed since we last requested from the WooPayments API (based on context hash).
		if ( false !== $cache
			&& ! empty( $cache['context_hash'] ) && is_string( $cache['context_hash'] )
			&& hash_equals( $store_context_hash, $cache['context_hash'] ) ) {

			// We have a store context hash and it matches with the current context one.
			// We can use the cached incentive data.
			// Store the incentive in the in-memory cache and return it.
			$this->incentive = $cache['incentive'] ?? [];

			return $this->incentive;
		}

		// By this point, we have an expired transient or the store context has changed.
		// Query for incentives by calling the WooPayments API.
		$url = add_query_arg(
			$store_context,
			'https://public-api.wordpress.com/wpcom/v2/wcpay/incentives',
		);

		$response = wp_remote_get(
			$url,
			array(
				'user-agent' => 'WooCommerce/' . WC()->version . '; ' . get_bloginfo( 'url' ),
			)
		);

		// Return early if there is an error, waiting 6 hours before the next attempt.
		if ( is_wp_error( $response ) ) {
			// Store a trimmed down, lightweight error.
			$error = new \WP_Error(
				$response->get_error_code(),
				$response->get_error_message(),
				wp_remote_retrieve_response_code( $response )
			);
			// Store the error in the transient so we know this is due to an API error.
			set_transient( self::CACHE_TRANSIENT_NAME, $error, HOUR_IN_SECONDS * 6 );
			// Initialize the in-memory cache and return it.
			$this->incentive = [];

			return $this->incentive;
		}

		$cache_for = wp_remote_retrieve_header( $response, 'cache-for' );
		// Initialize the in-memory cache.
		$this->incentive = array();

		if ( 200 === wp_remote_retrieve_response_code( $response ) ) {
			// Decode the results, falling back to an empty array.
			$results = json_decode( wp_remote_retrieve_body( $response ), true ) ?? array();

			// Find all `welcome_page` incentives.
			$incentives = array_filter(
				$results,
				function( $incentive ) {
					return 'welcome_page' === $incentive['type'];
				}
			);

			// Use the first found matching incentive or empty array if none was found.
			// Store incentive in the in-memory cache.
			$this->incentive = empty( $incentives ) ? array() : reset( $incentives );
		}

		// Skip transient cache if `cache-for` header equals zero.
		if ( '0' === $cache_for ) {
			// If we have a transient cache that is not expired, delete it so there are no leftovers.
			if ( false !== $cache ) {
				delete_transient( self::CACHE_TRANSIENT_NAME );
			}

			return $this->incentive;
		}

		// Store incentive in transient cache (together with the context hash) for the given number of seconds
		// or 1 day in seconds. Also attach a timestamp to the transient data so we know when we last fetched.
		set_transient(
			self::CACHE_TRANSIENT_NAME,
			array(
				'incentive'    => $this->incentive,
				'context_hash' => $store_context_hash,
				'timestamp'    => time(),
			),
			! empty( $cache_for ) ? (int) $cache_for : DAY_IN_SECONDS
		);

		return $this->incentive;
	}

	/**
	 * Generate a hash from the store context data.
	 *
	 * @param array $context The store context data.
	 *
	 * @return string The context hash.
	 */
	private function generate_context_hash( array $context ): string {
		// Include only certain entries in the context hash.
		// We need only discrete, user-interaction dependent data.
		// Entries like `active_for` have no place in the hash generation since they change automatically.
		return md5(
			wp_json_encode(
				array(
					'country'      => $context['country'] ?? '',
					'locale'       => $context['locale'] ?? '',
					'has_orders'   => $context['has_orders'] ?? false,
					'has_payments' => $context['has_payments'] ?? false,
					'has_wcpay'    => $context['has_wcpay'] ?? false,
				)
			)
		);
	}

	/**
	 * Get the slug of the active payments task.
	 *
	 * It can be either 'woocommerce-payments' or 'payments'.
	 *
	 * @return string Either 'woocommerce-payments' or 'payments'. Empty string if no task is found.
	 */
	private function get_active_payments_task_slug(): string {
		$setup_task_list    = TaskLists::get_list( 'setup' );
		$extended_task_list = TaskLists::get_list( 'extended' );

		// The task pages are not available if the task lists don't exist or are not visible.
		// Bail early if we have no task to work with.
		if (
			( empty( $setup_task_list ) || ! $setup_task_list->is_visible() ) &&
			( empty( $extended_task_list ) || ! $extended_task_list->is_visible() )
		) {
			return '';
		}

		// The Payments task in the setup task list.
		if ( ! empty( $setup_task_list ) && $setup_task_list->is_visible() ) {
			$payments_task = $setup_task_list->get_task( 'payments' );
			if ( ! empty( $payments_task ) && $payments_task->can_view() ) {
				return 'payments';
			}
		}

		// The Additional Payments task in the extended task list.
		if ( ! empty( $extended_task_list ) && $extended_task_list->is_visible() ) {
			$payments_task = $extended_task_list->get_task( 'payments' );
			if ( ! empty( $payments_task ) && $payments_task->can_view() ) {
				return 'payments';
			}
		}

		// The WooPayments task in the setup task list.
		if ( ! empty( $setup_task_list ) && $setup_task_list->is_visible() ) {
			$payments_task = $setup_task_list->get_task( 'woocommerce-payments' );
			if ( ! empty( $payments_task ) && $payments_task->can_view() ) {
				return 'woocommerce-payments';
			}
		}

		return '';
	}

	/**
	 * Get the WooCommerce setup task list Payments task instance.
	 *
	 * @return Task|null The Payments task instance. null if the task is not found.
	 */
	private function get_payments_task(): ?Task {
		$task_list = TaskLists::get_list( 'setup' );
		if ( empty( $task_list ) ) {
			return null;
		}

		$payments_task = $task_list->get_task( 'payments' );
		if ( empty( $payments_task ) ) {
			return null;
		}

		return $payments_task;
	}

	/**
	 * Determine if the WooCommerce setup task list Payments task is complete.
	 *
	 * @return bool True if the Payments task is complete, false otherwise.
	 */
	private function is_payments_task_complete(): bool {
		$payments_task = $this->get_payments_task();

		return ! empty( $payments_task ) && $payments_task->is_complete();
	}
}