extern crate queue;
use std::collections::HashSet;

use queue::Queue;

fn main() {
    const INPUT: &str = include_str!("../sample_input.txt");

    let mut buf: Queue<char> = Queue::with_capacity(4);
    let mut msg_buf: Queue<char> = Queue::with_capacity(14);

    let mut found_start = false;

    for (i, c) in INPUT.chars().enumerate() {
        if buf.force_queue(c) == 4 && !found_start {
            let x = HashSet::<&char>::from_iter(buf.vec().iter()).len();
            if x == 4 {
                println!("{} {:?}", i + 1, buf);
                found_start = true;
            }
        }

        if msg_buf.force_queue(c) == 14 {
            let x = HashSet::<&char>::from_iter(msg_buf.vec().iter()).len();
            if x == 14 {
                println!("{} {:?}", i + 1, msg_buf);
                break;
            }
        }
    }

}