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

// interfaces
import {IPausableBase} from "./IPausable.sol";

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

// contracts

abstract contract PausableBase is IPausableBase {
    modifier whenNotPaused() {
        if (_paused()) {
            revert Pausable__Paused();
        }
        _;
    }

    modifier whenPaused() {
        if (!_paused()) {
            revert Pausable__NotPaused();
        }
        _;
    }

    function _paused() internal view returns (bool) {
        return PausableStorage.layout().paused;
    }

    function _pause() internal {
        PausableStorage.layout().paused = true;
        emit Paused(msg.sender);
    }

    function _unpause() internal {
        PausableStorage.layout().paused = false;
        emit Unpaused(msg.sender);
    }
}