<?php

declare(strict_types=1);

namespace app\common\service\pharmacy;

use Closure;
use DomainException;
use InvalidArgumentException;
use Throwable;

final class PharmacySubmissionClaimWorkflow
{
    private Closure $acquireClaim;
    private Closure $invokeRemote;
    private Closure $markSuccess;
    private Closure $markFailure;
    private Closure $markReconcile;

    public function __construct(
        callable $acquireClaim,
        callable $invokeRemote,
        callable $markSuccess,
        callable $markFailure,
        callable $markReconcile
    ) {
        $this->acquireClaim = Closure::fromCallable($acquireClaim);
        $this->invokeRemote = Closure::fromCallable($invokeRemote);
        $this->markSuccess = Closure::fromCallable($markSuccess);
        $this->markFailure = Closure::fromCallable($markFailure);
        $this->markReconcile = Closure::fromCallable($markReconcile);
    }

    /** @return array<string,mixed> */
    public function execute(string $target): array
    {
        if (!in_array($target, ['gancao', 'direct'], true)) {
            throw new InvalidArgumentException('Unsupported pharmacy target');
        }

        $claim = ($this->acquireClaim)($target);
        if (!empty($claim['idempotent'])) {
            $result = is_array($claim['result'] ?? null) ? $claim['result'] : [];
            return $result + ['target' => $target, 'idempotent' => true];
        }

        $token = trim((string) ($claim['token'] ?? $claim['claim_token'] ?? ''));
        if ($token === '') {
            throw new DomainException('药房提交凭证缺失');
        }
        $claimStatus = strtoupper(trim((string) ($claim['status'] ?? '')));
        if ($target === 'gancao' && (
            !empty($claim['reconcile'])
            || in_array($claimStatus, ['UNKNOWN', 'PENDING_RECONCILE'], true)
        )) {
            throw new PharmacyReconciliationRequiredException(
                '甘草药房远端结果待核对，当前禁止重提；请等待人工或后续对账'
            );
        }

        try {
            $result = ($this->invokeRemote)($target, $token, $claim);
            if (!is_array($result)) {
                throw new DomainException('药房返回数据格式错误');
            }
        } catch (Throwable $exception) {
            if (PharmacyRemoteOutcomeClassifier::isConfirmedNoCreate($exception)) {
                ($this->markFailure)($target, $token, $exception->getMessage(), $claim);
            } else {
                ($this->markReconcile)($target, $token, $exception->getMessage(), $claim);
            }
            throw $exception;
        }

        try {
            $finalized = (bool) ($this->markSuccess)($target, $token, $result, $claim);
        } catch (Throwable $exception) {
            ($this->markReconcile)($target, $token, '远端成功但本地回写异常：' . $exception->getMessage(), $claim);
            throw new PharmacyReconciliationRequiredException(
                '远端可能已创建订单，本地回写失败，必须对账后再操作',
                0,
                $exception
            );
        }
        if (!$finalized) {
            ($this->markReconcile)($target, $token, '远端成功但本地提交凭证无法完成', $claim);
            throw new PharmacyReconciliationRequiredException('远端已返回成功，本地回写未完成，必须对账后再操作');
        }

        return $result + ['target' => $target, 'idempotent' => false];
    }
}