//! TLUSTY 可执行程序入口。
//!
//! 用法:
//!   tlusty < input.5 > output.6

use std::io::{self, BufReader};

use tlusty_rust::tlusty::{run_tlusty, TlustyConfig};
use tlusty_rust::tlusty::io::{FortranReader, FortranWriter};

fn main() -> anyhow::Result<()> {
    let mut config = TlustyConfig::default();
    let mut input_reader = FortranReader::new(BufReader::new(io::stdin()));
    let mut output_writer = FortranWriter::new(io::stdout());

    let result = run_tlusty(&mut config, &mut input_reader, &mut output_writer);

    if result.converged {
        eprintln!("Converged after {} iterations ({:.2}s)",
            result.total_iterations, result.total_time_secs);
    } else {
        eprintln!("Did NOT converge after {} iterations ({:.2}s)",
            result.total_iterations, result.total_time_secs);
    }

    Ok(())
}