/**
 * make format more clear and easy to print
 * @param str
 * @param strLenght
 */
export function prettySpaces( str: string, strLenght = 15 ) {
    if ( str.length < strLenght ) {
        const diff = strLenght - str.length;
        const front = Math.round(diff / 2);
        const rear = diff % 2 === 0 ? Math.round( diff / 2 ) : Math.round( diff / 2 + 1);
        const result = [];
        for ( let i  = 0 ; i < front; i ++  ) {
            result.push(' ');
        }
        result.push(str);
        for ( let i  = 0 ; i < rear; i ++  ) {
            result.push(' ');
        }
        return String(result.join(''));
    }
}

/**
 * pretty print for matrix
 * @param matrix
 */
export function prettyMatrixPrint( matrix: any[] ) {
    matrix.map( (row) => {
        console.log(row.join(''));
        console.log('\r\n');
    } );
}