const path = require("node:path");
const { spawnSync } = require("node:child_process");

const { encryptStringOrThrow } = require("../src/services/crypto");
const { generatePaymentOrderXls } = require("../src/services/paymentOrderXls");

const fieldEncryptionKey = Buffer.alloc(32, 7).toString("base64");
const config = { fieldEncryptionKey };
const encrypt = (value) => encryptStringOrThrow(config, value);
const syntheticAccounts = [
  "6222000000000012345",
  "6222000000000023456",
  "6222000000000034567",
  "6222000000000045678",
];

const generated = generatePaymentOrderXls(config, {
  batch_no: "PB-20260803-001",
  payment_account_snapshot_json: {
    bankInstitutionCode: "CCB",
    accountName: "合成测试公司",
    bankName: "中国建设银行",
    accountNumberEncrypted: encrypt("6217000000000012345"),
  },
  items: syntheticAccounts.map((account, index) => ({
    id: String(index + 1),
    entity_code: `BX-20260802-${String(index + 1).padStart(4, "0")}`,
    amount: `${index + 1}.20`,
    snapshot_json: {
      payee: {
        name: `合成员工${index + 1}`,
        bankName: "中国建设银行",
        bankInstitutionCode: "CCB",
        bankAccountEncrypted: encrypt(account),
      },
    },
  })),
});

const pythonBin = process.env.PAYMENT_ORDER_PYTHON_BIN ?? "python3";
const verifier = spawnSync(pythonBin, [path.resolve(__dirname, "verify-payment-order-xls.py")], {
  input: generated.buffer,
  encoding: "utf8",
  maxBuffer: 16 * 1024 * 1024,
  timeout: 15_000,
  env: {
    PATH: path.isAbsolute(pythonBin) ? path.dirname(pythonBin) : "/usr/local/bin:/usr/bin:/bin",
    LANG: "C.UTF-8",
    PYTHONDONTWRITEBYTECODE: "1",
    PYTHONNOUSERSITE: "1",
  },
});

if (verifier.status !== 0 || verifier.error) {
  process.stderr.write(verifier.stderr || "[payment-order-xls][FAIL] verifier unavailable\n");
  process.exitCode = 1;
} else {
  process.stdout.write(verifier.stdout);
}