<?php
/**
 * Data-backed BiH rule-pack implementation for current audit/preflight use.
 *
 * @package Leanmerce\CommerceCompliance
 */

namespace Leanmerce\CommerceCompliance\Packs\BA;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

use Leanmerce\CommerceCompliance\Domain\Compliance\CommerceContext;
use Leanmerce\CommerceCompliance\Domain\Rules\Obligation;
use Leanmerce\CommerceCompliance\Domain\Rules\RulePackInterface;
use Leanmerce\CommerceCompliance\Domain\Rules\RulePackManifest;
use Leanmerce\CommerceCompliance\Domain\Rules\RuleValidatorInterface;
use Leanmerce\CommerceCompliance\Domain\Rules\ValidatorProviderInterface;

final class BihRulePack implements RulePackInterface, ValidatorProviderInterface {
	/**
	 * @param Obligation[]             $obligations Obligations.
	 * @param RuleValidatorInterface[] $validators Validators.
	 */
	public function __construct(
		private RulePackManifest $manifest,
		private string $applicability,
		private array $obligations,
		private array $validators
	) {}

	public function get_manifest(): RulePackManifest {
		return $this->manifest;
	}

	public function supports( CommerceContext $context ): bool {
		if ( 'BA' !== strtoupper( (string) $context->merchant()->get( 'country', '' ) ) ) {
			return false;
		}
		if ( 'B2C' !== strtoupper( (string) $context->transaction()->get( 'business_model', '' ) ) ) {
			return false;
		}
		if ( 'PHYSICAL_GOODS' !== strtoupper( (string) $context->transaction()->get( 'transaction_type', '' ) ) ) {
			return false;
		}

		$establishment = strtoupper( (string) $context->merchant()->get( 'establishment', '' ) );
		$sells_across  = (bool) $context->transaction()->get( 'sells_across_bih', false );
		$cross_mode    = strtoupper( (string) $context->transaction()->get( 'cross_entity_mode', '' ) );

		switch ( $this->applicability ) {
			case 'FBIH_MERCHANT':
				return 'FBIH' === $establishment;
			case 'RS_MERCHANT':
				return 'RS' === $establishment;
			case 'BD_MERCHANT':
				return 'BD' === $establishment;
			case 'RS_CONSUMER_CANDIDATE':
				return 'RS' === $establishment || ( $sells_across && 'PRECAUTIONARY_UNION' === $cross_mode );
			default:
				return true;
		}
	}

	public function get_obligations( CommerceContext $context ): array {
		unset( $context );
		return $this->obligations;
	}

	public function get_overrides( CommerceContext $context ): array {
		unset( $context );
		return array();
	}

	public function get_validators(): array {
		return $this->validators;
	}
}