#![allow(dead_code)]

#[macro_use] extern crate pin_project;
#[macro_use] extern crate lazy_static;

use color_eyre::{
    eyre::{
	self,
	eyre,

	WrapErr as _,
    },
    
    Help as _,
    SectionExt as _,
};

#[macro_use] mod ext;
pub use ext::prelude::*;

mod data;
mod config;
mod state;
mod arg;
mod work;

async fn read_config() -> eyre::Result<config::Config>
{
    match arg::parse_args().wrap_err(eyre!("Failed to parse args"))?
    {
	arg::Mode::Normal(cfg) => {
	    #[cfg(debug_assertions)] eprintln!("Parsed config: {:#?}\n", cfg);
	    Ok(cfg)
	},
	arg::Mode::Help => arg::help(),
    }
}

#[tokio::main]
async fn main() -> eyre::Result<()> {
    color_eyre::install()?;
    
    let state = state::State::new(read_config().await
				  .wrap_err(eyre!("Failed to load config"))?
				  .validate()
				  .wrap_err(eyre!("Invalid config"))
				  .with_suggestion(|| "Try running `--help`")?);
    
    let graph = work::work_on_all(state).await;
    let max_size = graph.directories().map(|x| x.size()).max();
    println!("Max size: {:?}", max_size);
    //println!("{:?}", graph);
    
    Ok(())
}