/*
This file is part of web3.js.

web3.js is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

web3.js is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
*/

import { ValidInputTypes } from '../types.js';
import { isHexStrict } from './string.js';

export const isBoolean = (value: ValidInputTypes) => {
	if (!['number', 'string', 'boolean'].includes(typeof value)) {
		return false;
	}

	if (typeof value === 'boolean') {
		return true;
	}

	if (typeof value === 'string' && !isHexStrict(value)) {
		return value === '1' || value === '0';
	}

	if (typeof value === 'string' && isHexStrict(value)) {
		return value === '0x1' || value === '0x0';
	}

	// type === number
	return value === 1 || value === 0;
};