#![feature(type_changing_struct_update)]

mod tui_engine;  pub use self::tui_engine::*;
mod tui_content; pub use self::tui_content::*;

pub(crate) use ::tengri_core::*;

pub use ::tengri_input as input;
pub(crate) use ::tengri_input::*;

pub use ::tengri_output as output;
pub(crate) use ::tengri_output::*;

pub(crate) use atomic_float::AtomicF64;

pub use ::better_panic; pub(crate) use ::better_panic::{Settings, Verbosity};

pub use ::palette; pub(crate) use ::palette::{*, convert::*, okhsl::*};

pub use ::crossterm; pub(crate) use ::crossterm::{
    ExecutableCommand,
    terminal::{EnterAlternateScreen, LeaveAlternateScreen, enable_raw_mode, disable_raw_mode},
    event::{Event, KeyEvent, KeyCode, KeyModifiers, KeyEventKind, KeyEventState},
};

pub use ::ratatui; pub(crate) use ratatui::{
    prelude::{Color, Style, Buffer},
    style::Modifier,
    backend::{Backend, CrosstermBackend, ClearType},
    layout::{Size, Rect},
    buffer::Cell
};

pub(crate) use std::sync::{Arc, RwLock, atomic::{AtomicBool, Ordering::*}};
pub(crate) use std::io::{stdout, Stdout};

#[cfg(test)] #[test] fn test_tui_engine () -> Usually<()> {
    use crate::*;
    use std::sync::{Arc, RwLock};
    struct TestComponent(String);
    impl Content<TuiOut> for TestComponent {
        fn content (&self) -> impl Render<TuiOut> {
            Some(self.0.as_str())
        }
    }
    impl Handle<TuiIn> for TestComponent {
        fn handle (&mut self, from: &TuiIn) -> Perhaps<bool> {
            Ok(None)
        }
    }
    let engine = Tui::new()?;
    engine.read().unwrap().exited.store(true, std::sync::atomic::Ordering::Relaxed);
    let state = TestComponent("hello world".into());
    let state = std::sync::Arc::new(std::sync::RwLock::new(state));
    //engine.run(&state)?;
    Ok(())
}

#[cfg(test)] #[test] fn test_parse_key () {
    use KeyModifiers as Mods;
    let test = |x: &str, y|assert_eq!(KeyMatcher::new(x).build(), Some(Event::Key(y)));
    //test(":x",
        //KeyEvent::new(KeyCode::Char('x'), Mods::NONE));
    //test(":ctrl-x",
        //KeyEvent::new(KeyCode::Char('x'), Mods::CONTROL));
    //test(":alt-x",
        //KeyEvent::new(KeyCode::Char('x'), Mods::ALT));
    //test(":shift-x",
        //KeyEvent::new(KeyCode::Char('x'), Mods::SHIFT));
    //test(":ctrl-alt-shift-x",
        //KeyEvent::new(KeyCode::Char('x'), Mods::CONTROL | Mods::ALT | Mods::SHIFT ));
}