#[macro_use]
extern crate log;

use std::process::exit;
use gclone::{first_arg, Cache, Error, Result};

fn main() {
    beautylog::init(log::LevelFilter::Info).ok();

    if let Err(e) = main_result() {
        error!("{}", e);
        exit(1);
    }
}

fn main_result() -> Result<()> {
    let request = first_arg()?;
    main_with_cache(&request, true)
}

fn main_with_cache(request: &str, regen: bool) -> Result<()> {
    let (cache, just_generated) = match Cache::read() {
        Ok(c) => (c, false),
        Err(_) => {
            let cache = Cache::generate();
            cache.write()?;
            (cache, true)
        }
    };

    let only_match = match cache.find_interactive(&request) {
        Err(Error::NoSuchDirectory) if regen && !just_generated => {
            warn!("directory not found, regenerating cache...");
            let cache = Cache::generate();
            cache.write()?;
            return main_with_cache(request, false);
        }

        Err(e) => return Err(e),
        Ok(x) => x,
    };

    println!("{}", only_match);

    Ok(())
}