// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import { IExecutor } from "./IExecutor.sol";

interface IExecutorFeeLib {
    struct FeeParams {
        address priceFeed;
        uint32 dstEid;
        address sender;
        uint256 calldataSize;
        uint16 defaultMultiplierBps;
    }

    struct FeeParamsForRead {
        address priceFeed;
        address sender;
        uint16 defaultMultiplierBps;
    }

    error Executor_NoOptions();
    error Executor_NativeAmountExceedsCap(uint256 amount, uint256 cap);
    error Executor_UnsupportedOptionType(uint8 optionType);
    error Executor_InvalidExecutorOptions(uint256 cursor);
    error Executor_ZeroLzReceiveGasProvided();
    error Executor_ZeroLzComposeGasProvided();
    error Executor_ZeroCalldataSizeProvided();
    error Executor_EidNotSupported(uint32 eid);

    function getFeeOnSend(
        FeeParams calldata _params,
        IExecutor.DstConfig calldata _dstConfig,
        bytes calldata _options
    ) external returns (uint256 fee);

    function getFee(
        FeeParams calldata _params,
        IExecutor.DstConfig calldata _dstConfig,
        bytes calldata _options
    ) external view returns (uint256 fee);

    function getFeeOnSend(
        FeeParamsForRead calldata _params,
        IExecutor.DstConfig calldata _dstConfig,
        bytes calldata _options
    ) external returns (uint256 fee);

    function getFee(
        FeeParamsForRead calldata _params,
        IExecutor.DstConfig calldata _dstConfig,
        bytes calldata _options
    ) external view returns (uint256 fee);

    function version() external view returns (uint64 major, uint8 minor);
}