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use std::io;
use std::io::Write;
use std::cmp::PartialOrd;

pub mod random;
pub mod math;

mod color;
pub use color::Color;

/// Clamps given value between min and max
pub fn clamp<T: PartialOrd>(value: T, min: T, max: T) -> T {
    if value < min {
        min
    } else if value > max {
        max
    } else {
        value
    }
}

/// Prints message to console and the retrieves user input as string
pub fn input(msg: &str) -> String {
    print!("{}", msg);
    io::stdout().flush().expect("Failed to flush the buffer");
    let mut buffer = String::new();
    io::stdin().read_line(&mut buffer).expect("Failed to read user input");
    let buffer = buffer.trim().to_owned();
    buffer
}