// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./ITroveManager.sol";

interface IBorrowerOperations {
	struct SystemBalances {
		uint256[] collaterals;
		uint256[] debts;
		uint256[] prices;
	}

	enum BorrowerOperation {
		openTrove,
		closeTrove,
		adjustTrove
	}

	event BorrowingFeePaid(address indexed borrower, uint256 amount);
	event CollateralConfigured(ITroveManager troveManager, IERC20 collateralToken);
	event TroveCreated(address indexed _borrower, uint256 arrayIndex);
	event TroveManagerRemoved(ITroveManager troveManager);
	event TroveUpdated(address indexed _borrower, uint256 _debt, uint256 _coll, uint256 stake, BorrowerOperation operation);

	function addColl(ITroveManager troveManager, address account, uint256 _collateralAmount, address _upperHint, address _lowerHint) external;

	function adjustTrove(ITroveManager troveManager, address account, uint256 _maxFeePercentage, uint256 _collDeposit, uint256 _collWithdrawal, uint256 _debtChange, bool _isDebtIncrease, address _upperHint, address _lowerHint) external;

	function closeTrove(ITroveManager troveManager, address account) external;

	function configureCollateral(ITroveManager troveManager, IERC20 collateralToken) external;

	function fetchBalances() external returns (SystemBalances memory balances);

	function getGlobalSystemBalances() external returns (uint256 totalPricedCollateral, uint256 totalDebt);

	function getTCR() external returns (uint256 globalTotalCollateralRatio);

	function openTrove(ITroveManager troveManager, address account, uint256 _maxFeePercentage, uint256 _collateralAmount, uint256 _debtAmount, address _upperHint, address _lowerHint) external;

	function removeTroveManager(ITroveManager troveManager) external;

	function repayDebt(ITroveManager troveManager, address account, uint256 _debtAmount, address _upperHint, address _lowerHint) external;

	function setMinNetDebt(uint256 _minNetDebt) external;

	function withdrawColl(ITroveManager troveManager, address account, uint256 _collWithdrawal, address _upperHint, address _lowerHint) external;

	function withdrawDebt(ITroveManager troveManager, address account, uint256 _maxFeePercentage, uint256 _debtAmount, address _upperHint, address _lowerHint) external;

	function factory() external view returns (address);

	function getCompositeDebt(uint256 _debt) external view returns (uint256);

	function minNetDebt() external view returns (uint256);

	function checkRecoveryMode(uint256 TCR) external pure returns (bool);
}