pacc 0.1.3

A TUI assistant for pacman, paru, and AUR workflows on Arch Linux
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mod app;
mod domain;
mod tui;

use std::io;

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

use crate::{app::App, tui::ui};

fn main() -> Result<()> {
    color_eyre::install()?;
    let mut terminal = setup_terminal()?;
    let result = run(&mut terminal);
    restore_terminal(&mut terminal)?;
    result
}

fn run(terminal: &mut Terminal<CrosstermBackend<io::Stdout>>) -> Result<()> {
    let mut app = App::new();

    while app.is_running() {
        terminal.draw(|frame| ui(frame, &app))?;

        if let Event::Key(key) = event::read()? {
            if key.kind != KeyEventKind::Press {
                continue;
            }
            app.handle_key_event(key);
        }
    }

    Ok(())
}

fn setup_terminal() -> Result<Terminal<CrosstermBackend<io::Stdout>>> {
    enable_raw_mode()?;
    let mut stdout = io::stdout();
    execute!(stdout, EnterAlternateScreen)?;
    let backend = CrosstermBackend::new(stdout);
    Ok(Terminal::new(backend)?)
}

fn restore_terminal(terminal: &mut Terminal<CrosstermBackend<io::Stdout>>) -> Result<()> {
    disable_raw_mode()?;
    execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
    terminal.show_cursor()?;
    Ok(())
}