// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {Permit2} from "../../src/Permit2.sol";
import {IAllowanceTransfer} from "../../src/interfaces/IAllowanceTransfer.sol";
import {Allowance} from "../../src/libraries/Allowance.sol";

contract MockPermit2 is Permit2 {
    function doStore(address from, address token, address spender, uint256 word) public {
        IAllowanceTransfer.PackedAllowance storage allowed = allowance[from][token][spender];
        assembly {
            sstore(allowed.slot, word)
        }
    }

    function getStore(address from, address token, address spender) public view returns (uint256 word) {
        IAllowanceTransfer.PackedAllowance storage allowed = allowance[from][token][spender];
        assembly {
            word := sload(allowed.slot)
        }
    }

    function mockUpdateAmountAndExpiration(
        address from,
        address token,
        address spender,
        uint160 amount,
        uint48 expiration
    ) public {
        IAllowanceTransfer.PackedAllowance storage allowed = allowance[from][token][spender];
        Allowance.updateAmountAndExpiration(allowed, amount, expiration);
    }

    function mockUpdateAll(
        address from,
        address token,
        address spender,
        uint160 amount,
        uint48 expiration,
        uint48 nonce
    ) public {
        IAllowanceTransfer.PackedAllowance storage allowed = allowance[from][token][spender];
        Allowance.updateAll(allowed, amount, expiration, nonce);
    }

    function useUnorderedNonce(address from, uint256 nonce) public {
        _useUnorderedNonce(from, nonce);
    }
}