<?php
/**
 * Base pricing method.
 *
 * @package Extrova
 */

declare( strict_types=1 );

namespace Extrova\Pricing;

defined( 'ABSPATH' ) || exit;

/**
 * Shared helpers. `sanitize()` is used by Core\Schema when saving extras.
 *
 * @since 1.0.0
 */
abstract class AbstractPricingMethod implements PricingMethodInterface {

	/**
	 * {@inheritDoc}
	 */
	public function config_schema(): array {
		return array(
			'type'                 => 'object',
			'additionalProperties' => true,
		);
	}

	/**
	 * Sanitises a pricing block of this method.
	 *
	 * @param array $pricing Raw block.
	 */
	abstract public function sanitize( array $pricing ): array;

	/**
	 * Non-negative decimal string with the store decimals.
	 *
	 * @param mixed $value Raw value.
	 */
	protected function non_negative_decimal( mixed $value ): string {
		$value = is_scalar( $value ) ? (string) $value : '0';
		$float = max( 0.0, (float) wc_format_decimal( $value ) );
		return (string) wc_format_decimal( $float, wc_get_price_decimals() );
	}
}