mod arguments;
mod interpreter;
mod utils;
mod repl;

use clap::Parser;
extern crate pretty_env_logger;
#[macro_use] extern crate log;

use arguments::Args;

fn main() {
    pretty_env_logger::init();
    info!("Initialized logger");
    info!("Parsing command line arguments");
    let args = Args::parse();
    info!("Parsed command line arguments: {:?}", args);

    if args.verbose {
        info!("Verbose mode enabled");
    }

    info!("Initializing interpreter");
    let mut interpreter = interpreter::Interpreter::new(
        args.array_size,
        utils::read_brainfuck_code_if_any(&args.source),
        args.features.unwrap_or_else(|| vec![]));

    match args.source {
        Some(source) => {
            info!("Running brainfuck source code from file: {}", source);
            match interpreter.run(None) {
                Ok(exit_code) => {
                    println!("Successfully ran brainfuck source code from file: {}", source);
                    println!("Exiting with code: {exit_code}");
                    std::process::exit(0);
                }
                Err((e, code)) => {
                    error!("Failed to run brainfuck source code from file: {}", e);
                    std::process::exit(code);
                }
            }
        },
        None => {
            repl::start(interpreter)
        }
    }
}