rproxy 0.3.2

mod app;
mod input;
mod ui;
mod validate;

use std::io;
use std::path::PathBuf;

use crossterm::{
    event::{self, Event, KeyEventKind},
    execute,
    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use ratatui::{backend::CrosstermBackend, Terminal};

use app::App;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let args: Vec<String> = std::env::args().collect();
    if args.len() < 2 {
        eprintln!("Usage: rproxy-edit <config.json>");
        eprintln!("  Opens a TUI editor for rproxy JSON configuration files.");
        std::process::exit(1);
    }
    let config_path = PathBuf::from(&args[1]);

    // Setup terminal
    enable_raw_mode()?;
    let mut stdout = io::stdout();
    execute!(stdout, EnterAlternateScreen)?;
    let backend = CrosstermBackend::new(stdout);
    let mut terminal = Terminal::new(backend)?;

    // Ensure terminal is restored on panic
    let original_hook = std::panic::take_hook();
    std::panic::set_hook(Box::new(move |panic_info| {
        let _ = disable_raw_mode();
        let _ = execute!(io::stdout(), LeaveAlternateScreen);
        original_hook(panic_info);
    }));

    let mut app = App::new(config_path);

    // Main loop
    loop {
        terminal.draw(|frame| ui::render(frame, &app))?;

        if let Event::Key(key) = event::read()? {
            // Only handle key press events, not release/repeat
            if key.kind == KeyEventKind::Press {
                input::handle_key(&mut app, key);
            }
        }

        if app.should_quit {
            break;
        }
    }

    // Restore terminal
    disable_raw_mode()?;
    execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
    terminal.show_cursor()?;

    Ok(())
}