extern crate lazy_static;

use clap::AppSettings;
use structopt::StructOpt;
use env_logger;
use log::{ trace, error };

mod conf;
mod backends;

#[derive(StructOpt, Debug)]
#[structopt(
    name = "evr",
    version = "0.1",
    author = "by syn",
    global_settings = &[
        AppSettings::ColoredHelp,
        AppSettings::UnifiedHelpMessage
    ],
)]
struct EVROpts {
    /// source filename
    #[structopt(long, index = 1)]
    src: String,

    /// show time (wall)
    #[structopt(short, long)]
    time: bool,
    
    /// show mem usage (rss)
    #[structopt(short, long)]
    mem: bool
}

fn main() {
    let opts = EVROpts::from_args();
    env_logger::builder()
        .format_timestamp(None)
        .init();

    let src_path: std::path::PathBuf = opts.src.into();
    let config = conf::get_conf();

    let result =
        if src_path.exists() {
            config.run(&src_path)
        } else {
            config.make(&src_path)
        };

    match result {
        Ok(_) => trace!("ok"),
        Err(err) => error!("{}", err)
    }
}