// SPDX-License-Identifier: (MIT OR Apache-2.0)

extern crate iso9660;

use std::fs::File;
use std::io::{self, Read, Write};
use std::{env, process};

use iso9660::{DirectoryEntry, ISO9660};

fn main() {
    let args = env::args();

    if args.len() != 3 {
        eprintln!("Requires 2 arguments.");
        process::exit(1);
    }

    let iso_path = env::args().nth(1).unwrap();
    let file_path = env::args().nth(2).unwrap();

    let file = File::open(iso_path).unwrap();
    let fs = ISO9660::new(file).unwrap();

    match fs.open(&file_path).unwrap() {
        Some(DirectoryEntry::File(file)) => {
            let mut stdout = io::stdout();
            let mut text = Vec::new();
            file.read().read_to_end(&mut text).unwrap();
            stdout.write_all(&text).unwrap();
        }
        Some(_) => panic!("{} is not a file.", file_path),
        None => panic!("'{}' not found", file_path),
    }
}