1 files changed, 73 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..55e721a
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,73 @@
+mod app;
+mod event;
+mod gentoo;
+mod ui;
+
+use std::{
+    io::{self, Stdout, stdout},
+    panic::{set_hook, take_hook},
+};
+
+use ratatui::{
+    Terminal,
+    backend::Backend,
+    crossterm::{
+        execute,
+        terminal::{EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode, enable_raw_mode},
+    },
+    prelude::CrosstermBackend,
+};
+
+use crate::{app::App, event::handle_event, gentoo::Portage, ui::ui};
+
+fn main() -> color_eyre::Result<()> {
+    color_eyre::install()?;
+    init_panic_hook();
+    let mut tui = init_tui()?;
+
+    let mut p = Portage::new();
+    p.load_installed_packages()?;
+
+    let mut app = App::new(p);
+
+    run(&mut tui, &mut app)?;
+
+    restore_tui()?;
+
+    Ok(())
+}
+
+fn run<B: Backend>(terminal: &mut Terminal<B>, app: &mut App) -> io::Result<()>
+where
+    io::Error: From<B::Error>,
+{
+    loop {
+        terminal.draw(|frame| ui(frame, app))?;
+        let should_exit = handle_event(app)?;
+        if should_exit {
+            break;
+        }
+    }
+
+    Ok(())
+}
+
+fn init_tui() -> io::Result<ratatui::Terminal<CrosstermBackend<Stdout>>> {
+    enable_raw_mode()?;
+    execute!(stdout(), EnterAlternateScreen)?;
+    Terminal::new(CrosstermBackend::new(stdout()))
+}
+
+fn init_panic_hook() {
+    let original_hook = take_hook();
+    set_hook(Box::new(move |panic_info| {
+        let _ = restore_tui();
+        original_hook(panic_info);
+    }));
+}
+
+fn restore_tui() -> io::Result<()> {
+    disable_raw_mode()?;
+    execute!(stdout(), LeaveAlternateScreen)?;
+    Ok(())
+}