// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import {Id, MarketParams} from "../interfaces/IMorpho.sol";

/// @title EventsLib
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Library exposing events.
library EventsLib {
    /// @notice Emitted when setting a new owner.
    /// @param newOwner The new owner of the contract.
    event SetOwner(address indexed newOwner);

    /// @notice Emitted when setting a new fee.
    /// @param id The market id.
    /// @param newFee The new fee.
    event SetFee(Id indexed id, uint256 newFee);

    /// @notice Emitted when setting a new fee recipient.
    /// @param newFeeRecipient The new fee recipient.
    event SetFeeRecipient(address indexed newFeeRecipient);

    /// @notice Emitted when enabling an IRM.
    /// @param irm The IRM that was enabled.
    event EnableIrm(address indexed irm);

    /// @notice Emitted when enabling an LLTV.
    /// @param lltv The LLTV that was enabled.
    event EnableLltv(uint256 lltv);

    /// @notice Emitted when creating a market.
    /// @param id The market id.
    /// @param marketParams The market that was created.
    event CreateMarket(Id indexed id, MarketParams marketParams);

    /// @notice Emitted on supply of assets.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param onBehalf The address that received the supply.
    /// @param assets The amount of assets supplied.
    /// @param shares The amount of shares minted.
    event Supply(Id indexed id, address indexed caller, address indexed onBehalf, uint256 assets, uint256 shares);

    /// @notice Emitted on withdrawal of assets.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param onBehalf The address from which the assets were withdrawn.
    /// @param receiver The address that received the withdrawn assets.
    /// @param assets The amount of assets withdrawn.
    /// @param shares The amount of shares burned.
    event Withdraw(
        Id indexed id,
        address caller,
        address indexed onBehalf,
        address indexed receiver,
        uint256 assets,
        uint256 shares
    );

    /// @notice Emitted on borrow of assets.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param onBehalf The address from which the assets were borrowed.
    /// @param receiver The address that received the borrowed assets.
    /// @param assets The amount of assets borrowed.
    /// @param shares The amount of shares minted.
    event Borrow(
        Id indexed id,
        address caller,
        address indexed onBehalf,
        address indexed receiver,
        uint256 assets,
        uint256 shares
    );

    /// @notice Emitted on repayment of assets.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param onBehalf The address for which the assets were repaid.
    /// @param assets The amount of assets repaid. May be 1 over the corresponding market's `totalBorrowAssets`.
    /// @param shares The amount of shares burned.
    event Repay(Id indexed id, address indexed caller, address indexed onBehalf, uint256 assets, uint256 shares);

    /// @notice Emitted on supply of collateral.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param onBehalf The address that received the collateral.
    /// @param assets The amount of collateral supplied.
    event SupplyCollateral(Id indexed id, address indexed caller, address indexed onBehalf, uint256 assets);

    /// @notice Emitted on withdrawal of collateral.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param onBehalf The address from which the collateral was withdrawn.
    /// @param receiver The address that received the withdrawn collateral.
    /// @param assets The amount of collateral withdrawn.
    event WithdrawCollateral(
        Id indexed id, address caller, address indexed onBehalf, address indexed receiver, uint256 assets
    );

    /// @notice Emitted on liquidation of a position.
    /// @param id The market id.
    /// @param caller The caller.
    /// @param borrower The borrower of the position.
    /// @param repaidAssets The amount of assets repaid. May be 1 over the corresponding market's `totalBorrowAssets`.
    /// @param repaidShares The amount of shares burned.
    /// @param seizedAssets The amount of collateral seized.
    /// @param badDebtShares The amount of shares minted as bad debt.
    event Liquidate(
        Id indexed id,
        address indexed caller,
        address indexed borrower,
        uint256 repaidAssets,
        uint256 repaidShares,
        uint256 seizedAssets,
        uint256 badDebtShares
    );

    /// @notice Emitted on flash loan.
    /// @param caller The caller.
    /// @param token The token that was flash loaned.
    /// @param assets The amount that was flash loaned.
    event FlashLoan(address indexed caller, address indexed token, uint256 assets);

    /// @notice Emitted when setting an authorization.
    /// @param caller The caller.
    /// @param authorizer The authorizer address.
    /// @param authorized The authorized address.
    /// @param newIsAuthorized The new authorization status.
    event SetAuthorization(
        address indexed caller, address indexed authorizer, address indexed authorized, bool newIsAuthorized
    );

    /// @notice Emitted when setting an authorization with a signature.
    /// @param caller The caller.
    /// @param authorizer The authorizer address.
    /// @param usedNonce The nonce that was used.
    event IncrementNonce(address indexed caller, address indexed authorizer, uint256 usedNonce);

    /// @notice Emitted when accruing interest.
    /// @param id The market id.
    /// @param prevBorrowRate The previous borrow rate.
    /// @param interest The amount of interest accrued.
    /// @param feeShares The amount of shares minted as fee.
    event AccrueInterest(Id indexed id, uint256 prevBorrowRate, uint256 interest, uint256 feeShares);
}