use std::io::{self, Write};

use day27::task_scheduler;

fn main() {
    let mut buffer = String::new();

    print!("Insert the task as a unique string: ");
    io::stdout().flush().expect("Failed to flush");

    io::stdin()
        .read_line(&mut buffer)
        .expect("Failed to read line");

    let tasks: Vec<char> = buffer.trim().chars().collect();

    buffer = String::new();

    print!("Insert the length of the coldown: ");
    io::stdout().flush().expect("Failed to flush");

    io::stdin()
        .read_line(&mut buffer)
        .expect("Failed to read line");

    let coldown = buffer
        .trim()
        .parse()
        .expect("Coldown must be a valid unsigned integer");

    let result = task_scheduler(&tasks, coldown);
    println!("The least number of units of times that the CPU will take to finish all the given tasks is {}", result);
}