use clap::Parser;
use rodio::{Decoder, OutputStream, Sink};
use std::fs::File;
use std::io::BufReader;

/// a nice music visualizer
#[derive(Parser, Debug)]
#[command(version, about, long_about = None)]
struct Args {
    /// Name of the file you wanna visualise
    #[arg(short, long, value_name = "FILE")]
    file: String,

    /// Name of the visualizer used.
    #[arg(short, long)]
    visualizer: String,
}

fn main() {
    let args = Args::parse();

    let filename = args.file.as_str();

    let (_stream, stream_handle) = OutputStream::try_default().unwrap();
    let sink = Sink::try_new(&stream_handle).unwrap();

    let file = BufReader::new(File::open(filename).expect("Error while opening provided file."));
    let source = Decoder::new(file).unwrap();

    sink.append(source);
    println!("playing file!! Ctrl-c to stop");
    sink.sleep_until_end();
}