<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\PaymentTransaction;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

/**
 * 決済ステータス取得コントローラ（API 4）
 */
class PaymentStatusController extends Controller
{
    /**
     * 決済ステータス取得
     *
     * GET /api/newwipe/status?SyunoRecvNum=...
     */
    public function show(Request $request): JsonResponse
    {
        $syunoRecvNum = $request->query('SyunoRecvNum');

        if (empty($syunoRecvNum)) {
            return response()->json([
                'error' => [
                    'code' => 'INVALID_REQUEST',
                    'message' => 'SyunoRecvNumは必須です。',
                ]
            ], 400);
        }
        if (!preg_match('/^[a-zA-Z0-9]{1,20}$/', (string) $syunoRecvNum)) {
            return response()->json([
                'error' => [
                    'code' => 'INVALID_REQUEST',
                    'message' => 'SyunoRecvNumの形式が不正です。',
                ]
            ], 400);
        }

        $transaction = PaymentTransaction::where('syuno_recv_num', $syunoRecvNum)->first();

        if (!$transaction) {
            return response()->json([
                'error' => [
                    'code' => 'DATA_NOT_FOUND',
                    'message' => '指定された受付番号のデータが見つかりません。',
                ]
            ], 404);
        }

        // レスポンス構築
        $response = [
            'SyunoRecvNum' => $transaction->syuno_recv_num,
            'status' => $transaction->status,
            'amount' => $transaction->amount,
            'payLimit' => $transaction->pay_limit ? $transaction->pay_limit->toIso8601String() : null,
        ];

        // 入金済みの場合は追加情報
        if ($transaction->status === '入金済み') {
            $response['paidDateTime'] = $transaction->paid_datetime
                ? $transaction->paid_datetime->toIso8601String()
                : null;
            $response['storeCode'] = $transaction->store_code;
            $response['storeName'] = $this->getStoreName($transaction->store_code);
        }

        return response()->json($response);
    }

    /**
     * 店舗コードから店舗名を取得
     */
    private function getStoreName(?string $storeCode): ?string
    {
        if (empty($storeCode)) {
            return null;
        }
        return config('wellnet.store_codes.' . $storeCode);
    }
}