const rtgsValidator = (req, res, next) => {
  const {
    fromAccount,
    toAccount,
    amount,
    remitterName,
    beneficiaryName,
    ifscCode,
  } = req.body;

  if (!isAccountNumbersValid(fromAccount, toAccount)) {
    return res.status(400).json({ error: 'INVALID_ACCOUNT_NUMBER_FORMAT' });
  }

  if (amount < 200000) {
    return res.status(400).json({ error: 'AMOUNT_SHOULD_BE_MORE_THAN_200000' });
  }

  if (!remitterName || !beneficiaryName) {
    return res
      .status(400)
      .json({ error: 'REMITTER_NAME AND BENEFICIARY_NAME REQUIRED' });
  }

  if (!ifscCode || !/^[A-Z]{4}0[0-9]{6}$/.test(ifscCode)) {
    return res.status(400).json({ error: 'INVALID_IFSC_CODE' });
  }

  next();
};

const isAccountNumbersValid = (fromAcct, toAcct) => {
  return !(!fromAcct || !toAcct || fromAcct.length != 11 || toAcct.length < 7);
};

module.exports = rtgsValidator;