// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.10;

import {IERC20} from '@aave/core-v3/contracts/dependencies/openzeppelin/contracts/IERC20.sol';
import {DataTypes} from '@aave/core-v3/contracts/protocol/libraries/types/DataTypes.sol';

/**
 * @title DataTypesHelper
 * @author Aave
 * @dev Helper library to track user current debt balance, used by WrappedTokenGatewayV3
 */
library DataTypesHelper {
  /**
   * @notice Fetches the user current stable and variable debt balances
   * @param user The user address
   * @param reserve The reserve data object
   * @return The stable debt balance
   * @return The variable debt balance
   **/
  function getUserCurrentDebt(
    address user,
    DataTypes.ReserveData memory reserve
  ) internal view returns (uint256, uint256) {
    return (
      IERC20(reserve.stableDebtTokenAddress).balanceOf(user),
      IERC20(reserve.variableDebtTokenAddress).balanceOf(user)
    );
  }
}