use std::fs;

use clap::{App, Arg};

use eqformat_pfs::pfs::PFSArchive;

fn main() {
    let matches = App::new("extract-pfs")
        .version("0.1.0")
        .arg(
            Arg::new("INPUT")
                .help("Set the PFS file to use")
                .required(true)
                .index(1),
        )
        .arg(
            Arg::new("OUTDIR")
                .long("outdir")
                .takes_value(true)
                .required(true)
                .help("Set the output directory"),
        )
        .get_matches();

    let filename = matches.value_of("INPUT").unwrap();
    let archive = match PFSArchive::from_file(filename) {
        Ok(v) => v,
        Err(e) => panic!("err {}", e),
    };

    let out_dir = matches.value_of("OUTDIR").unwrap();
    fs::create_dir_all(out_dir).unwrap();

    for f in &archive.files {
        let out_name = format!("{}/{}", out_dir, f.name);
        println!("Writing {}", out_name);
        fs::write(out_name, f.data.clone()).expect("Unable to write file");
    }
}