use discid::{DiscId, Features};
use std::env;

fn main() {
    // Read the device name from the command line or use the default.
    let arg1 = env::args().nth(1).unwrap_or_default();
    let device = if !arg1.is_empty() {
        Some(&arg1[..])
    } else {
        None
    };
    let result = DiscId::read_features(device, Features::all());

    match result {
        Ok(disc) => print_disc_info(disc),
        Err(e) => {
            eprintln!("{}", e);
            std::process::exit(1);
        }
    }
}

fn print_disc_info(disc: DiscId) {
    println!("DiscID      : {}", disc.id());
    println!("FreeDB ID   : {}", disc.freedb_id());
    println!("TOC         : {}", disc.toc_string());
    println!("MCN         : {}", disc.mcn());
    println!("First track : {}", disc.first_track_num());
    println!("Last track  : {}", disc.last_track_num());
    println!("Sectors     : {}\n", disc.sectors());

    for track in disc.tracks() {
        println!("Track #{}", track.number);
        println!("    ISRC    : {}", track.isrc);
        println!("    Offset  : {}", track.offset);
        println!("    Sectors : {}", track.sectors);
    }
}