<?php

namespace App\Services\Barobill;

use App\Models\Barobill\BarobillMember;
use App\Services\Service;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

/**
 * 바로빌 카드 거래내역 동기화 서비스 (API 독립 구현)
 *
 * MNG의 EcardController 카드 조회 패턴을 참고하여 독립 작성.
 * SOAP API를 호출하여 카드 거래내역을 DB에 캐시/동기화한다.
 */
class BarobillCardSyncService extends Service
{
    public function __construct(
        protected BarobillSoapService $soapService
    ) {}

    /**
     * 카드 거래내역 동기화
     */
    public function syncCardTransactions(int $tenantId, string $startDateYmd, string $endDateYmd): array
    {
        $member = BarobillMember::withoutGlobalScopes()
            ->where('tenant_id', $tenantId)
            ->first();

        if (! $member || empty($member->barobill_id)) {
            return ['success' => false, 'error' => '바로빌 회원 정보 없음'];
        }

        $this->soapService->initForMember($member);

        $cards = $this->getRegisteredCards($member);
        if (empty($cards)) {
            return ['success' => true, 'message' => '등록된 카드 없음', 'synced' => 0];
        }

        $totalSynced = 0;

        foreach ($cards as $card) {
            $cardNum = $card['cardNum'];

            $result = $this->soapService->getPeriodCardLog(
                $member->biz_no,
                $member->barobill_id,
                $cardNum,
                $startDateYmd,
                $endDateYmd
            );

            if (! $result['success']) {
                Log::warning("[CardSync] 카드 조회 실패: {$cardNum}", [
                    'error' => $result['error'] ?? '',
                ]);

                continue;
            }

            $data = $result['data'];

            if (is_numeric($data) && $data < 0) {
                continue;
            }

            $rawLogs = [];
            if (isset($data->CardLogList) && isset($data->CardLogList->CardLog)) {
                $logs = $data->CardLogList->CardLog;
                $rawLogs = is_array($logs) ? $logs : [$logs];
            }

            if (! empty($rawLogs)) {
                $count = $this->cacheTransactions(
                    $tenantId,
                    $cardNum,
                    $card['cardCompany'],
                    $card['cardCompanyName'],
                    $rawLogs
                );
                $totalSynced += $count;
                Log::debug("[CardSync] 카드 {$cardNum}: {$count}건 저장");
            }
        }

        return [
            'success' => true,
            'synced' => $totalSynced,
            'cards' => count($cards),
        ];
    }

    /**
     * 바로빌 등록 카드 목록 조회 (SOAP)
     */
    public function getRegisteredCards(BarobillMember $member): array
    {
        $result = $this->soapService->getCards($member->biz_no, false);
        if (! $result['success']) {
            return [];
        }

        $data = $result['data'];
        $cardList = [];
        if (isset($data->CardEx2)) {
            $cardList = is_array($data->CardEx2) ? $data->CardEx2 : [$data->CardEx2];
        } elseif (isset($data->Card)) {
            $cardList = is_array($data->Card) ? $data->Card : [$data->Card];
        }

        $cards = [];
        foreach ($cardList as $card) {
            if (! is_object($card)) {
                continue;
            }
            $cardNum = $card->CardNum ?? '';
            if (empty($cardNum) || (is_numeric($cardNum) && $cardNum < 0)) {
                continue;
            }
            $cards[] = [
                'cardNum' => $cardNum,
                'cardCompany' => $card->CardCompany ?? '',
                'cardCompanyName' => BarobillSoapService::$cardCompanyCodes[$card->CardCompany ?? ''] ?? '',
                'alias' => $card->Alias ?? '',
            ];
        }

        return $cards;
    }

    /**
     * API 응답을 DB에 배치 저장
     */
    protected function cacheTransactions(
        int $tenantId,
        string $cardNum,
        string $cardCompany,
        string $cardCompanyName,
        array $rawLogs
    ): int {
        $rows = [];
        $now = now();

        foreach ($rawLogs as $log) {
            $useDT = $log->UseDT ?? '';
            $useDate = strlen($useDT) >= 8 ? substr($useDT, 0, 8) : '';
            $useTime = strlen($useDT) >= 14 ? substr($useDT, 8, 6) : '';

            $rows[] = [
                'tenant_id' => $tenantId,
                'card_num' => $log->CardNum ?? $cardNum,
                'card_company' => $log->CardCompany ?? $cardCompany,
                'card_company_name' => $cardCompanyName,
                'use_dt' => $useDT,
                'use_date' => $useDate,
                'use_time' => $useTime,
                'approval_num' => $log->ApprovalNum ?? '',
                'approval_type' => $log->ApprovalType ?? '',
                'approval_amount' => floatval($log->ApprovalAmount ?? 0),
                'tax' => floatval($log->Tax ?? 0),
                'service_charge' => floatval($log->ServiceCharge ?? 0),
                'payment_plan' => $log->PaymentPlan ?? '',
                'currency_code' => $log->CurrencyCode ?? '',
                'merchant_name' => $log->MerchantName ?? '',
                'merchant_biz_num' => $log->MerchantBizNum ?? '',
                'merchant_addr' => $log->MerchantAddr ?? '',
                'merchant_ceo' => '',
                'merchant_biz_type' => '',
                'merchant_tel' => '',
                'use_key' => $log->UseKey ?? '',
                'is_manual' => false,
                'created_at' => $now,
                'updated_at' => $now,
            ];
        }

        $inserted = 0;
        foreach (array_chunk($rows, 100) as $batch) {
            $inserted += DB::table('barobill_card_transactions')->insertOrIgnore($batch);
        }

        return $inserted;
    }
}