use std::path::Path;

use ops_sat_rs::config::LOG_FOLDER;

pub fn setup_logger() -> Result<(), fern::InitError> {
    if !Path::new(LOG_FOLDER).exists() && std::fs::create_dir_all(LOG_FOLDER).is_err() {
        eprintln!("Failed to create log folder '{}'", LOG_FOLDER);
    }
    fern::Dispatch::new()
        .format(move |out, message, record| {
            out.finish(format_args!(
                "[{}][{}][{}] {}",
                humantime::format_rfc3339_millis(std::time::SystemTime::now()),
                std::thread::current().name().unwrap_or("unnamed_thread"),
                record.level(),
                message
            ))
        })
        .level(log::LevelFilter::Debug)
        .chain(std::io::stdout())
        .chain(fern::log_file(format!(
            "{}/output_{}.log",
            LOG_FOLDER,
            humantime::format_rfc3339_seconds(std::time::SystemTime::now())
        ))?)
        .apply()?;
    Ok(())
}