// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

// interfaces
import {IDiamond} from "../../../src/IDiamond.sol";

// libraries
import {DeployLib} from "../../common/DeployLib.sol";

// contracts
import {ERC20} from "../../../src/facets/token/ERC20/ERC20.sol";
import {ERC20PermitBase} from "../../../src/facets/token/ERC20/permit/ERC20PermitBase.sol";
import {MockERC20Permit} from "../../../test/mocks/MockERC20Permit.sol";

library DeployMockERC20Permit {
    function selectors() internal pure returns (bytes4[] memory _selectors) {
        _selectors = new bytes4[](13);
        // ERC20
        _selectors[0] = ERC20.totalSupply.selector;
        _selectors[1] = ERC20.balanceOf.selector;
        _selectors[2] = ERC20.allowance.selector;
        _selectors[3] = ERC20.approve.selector;
        _selectors[4] = ERC20.transfer.selector;
        _selectors[5] = ERC20.transferFrom.selector;
        _selectors[6] = MockERC20Permit.mint.selector;
        // Metadata
        _selectors[7] = ERC20.name.selector;
        _selectors[8] = ERC20.symbol.selector;
        _selectors[9] = ERC20.decimals.selector;
        // Permit
        _selectors[10] = ERC20PermitBase.nonces.selector;
        _selectors[11] = ERC20PermitBase.permit.selector;
        _selectors[12] = ERC20PermitBase.DOMAIN_SEPARATOR.selector;
    }

    function makeCut(
        address facetAddress,
        IDiamond.FacetCutAction action
    )
        internal
        pure
        returns (IDiamond.FacetCut memory)
    {
        return IDiamond.FacetCut({
            action: action,
            facetAddress: facetAddress,
            functionSelectors: selectors()
        });
    }

    function makeInitData(
        string memory name,
        string memory symbol,
        uint8 decimals
    )
        internal
        pure
        returns (bytes memory)
    {
        return abi.encodeCall(ERC20PermitBase.__ERC20PermitBase_init, (name, symbol, decimals));
    }

    function deploy() internal returns (address) {
        return DeployLib.deployCode("MockERC20Permit.sol", "");
    }
}