//! Terminal setup and teardown. Owns the raw-mode + alternate-screen
//! transitions so the rest of the app never has to think about them.

use std::io::{Stdout, stdout};

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

pub type Tui = Terminal<CrosstermBackend<Stdout>>;

pub fn init() -> std::io::Result<Tui> {
    enable_raw_mode()?;
    let mut out = stdout();
    execute!(out, EnterAlternateScreen)?;
    Terminal::new(CrosstermBackend::new(out))
}

pub fn restore() -> std::io::Result<()> {
    disable_raw_mode()?;
    execute!(stdout(), LeaveAlternateScreen)?;
    Ok(())
}