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

// interfaces
import {IOwnableBase} from "./IERC173.sol";

// libraries
import {OwnableStorage} from "./OwnableStorage.sol";

// contracts

abstract contract OwnableBase is IOwnableBase {
    modifier onlyOwner() {
        if (msg.sender != _owner()) {
            revert Ownable__NotOwner(msg.sender);
        }
        _;
    }

    function _owner() internal view returns (address owner) {
        return OwnableStorage.layout().owner;
    }

    function _transferOwnership(address newOwner) internal {
        address oldOwner = _owner();
        if (newOwner == address(0)) revert Ownable__ZeroAddress();
        OwnableStorage.layout().owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }

    function _renounceOwnership() internal virtual {
        address oldOwner = _owner();
        OwnableStorage.layout().owner = address(0);
        emit OwnershipTransferred(oldOwner, address(0));
    }
}