use std::io::Read;

use algorithms::hash::format_digest;

fn main() {
    let args: Vec<String> = std::env::args().collect();
    let use_ffi = args.contains(&"-c".to_string());
    let mut input = Vec::new();
    std::io::stdin()
        .read_to_end(&mut input)
        .expect("could not read from stdin");
    let hash = if use_ffi {
        algorithms::hash::ffi::sha2_256_oneshot(&input).expect("could not hash your input data")
    } else {
        algorithms::hash::sha2_256_oneshot(&input).expect("could not hash your input data")
    };
    println!("{}", format_digest(&hash));
}