/*
 * Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
/// Get random string of specific length
pub(crate) fn get_random(len: usize) -> String {
    use rand::{distributions::Alphanumeric, rngs::ThreadRng, thread_rng, Rng};
    use std::iter;

    let mut rng: ThreadRng = thread_rng();

    iter::repeat(())
        .map(|()| rng.sample(Alphanumeric))
        .map(char::from)
        .take(len)
        .collect::<String>()
}

pub fn escape_spaces(name: &str) -> String {
    if name.contains(' ') {
        name.replace(' ', "\\ ")
    } else {
        name.to_string()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn space_escape() {
        let space = "do re mi";
        assert_eq!(&escape_spaces(space), ("do\\ re\\ mi"));
    }
}