#![feature(type_alias_impl_trait)]

mod time; pub use self::time::*;
mod note; pub use self::note::*;
pub mod jack; pub use self::jack::*;
pub mod midi; pub use self::midi::*;

pub(crate) use std::sync::{Arc, atomic::{AtomicUsize, AtomicBool, Ordering::Relaxed}};
pub(crate) use std::fmt::Debug;
pub(crate) use std::ops::{Add, Sub, Mul, Div, Rem};

pub(crate) use ::tengri::tui::*;

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

/// Standard result type.
pub(crate) type Usually<T> = std::result::Result<T, Box<dyn std::error::Error>>;

/// Standard optional result type.
pub(crate) type Perhaps<T> = std::result::Result<Option<T>, Box<dyn std::error::Error>>;

pub trait Gettable<T> {
    /// Returns current value
    fn get (&self) -> T;
}

pub trait Mutable<T>: Gettable<T> {
    /// Sets new value, returns old
    fn set (&mut self, value: T) -> T;
}

pub trait InteriorMutable<T>: Gettable<T> {
    /// Sets new value, returns old
    fn set (&self, value: T) -> T;
}

impl Gettable<bool> for AtomicBool {
    fn get (&self) -> bool { self.load(Relaxed) }
}

impl InteriorMutable<bool> for AtomicBool {
    fn set (&self, value: bool) -> bool { self.swap(value, Relaxed) }
}

impl Gettable<usize> for AtomicUsize {
    fn get (&self) -> usize { self.load(Relaxed) }
}

impl InteriorMutable<usize> for AtomicUsize {
    fn set (&self, value: usize) -> usize { self.swap(value, Relaxed) }
}

#[cfg(test)] #[test] fn test_time () -> Usually<()> {
    // TODO!
    Ok(())
}

#[cfg(test)] #[test] fn test_midi_range () {
    let model = MidiRangeModel::from((1, false));

    let _ = model.get_time_len();
    let _ = model.get_time_zoom();
    let _ = model.get_time_lock();
    let _ = model.get_time_start();
    let _ = model.get_time_axis();
    let _ = model.get_time_end();

    let _ = model.get_note_lo();
    let _ = model.get_note_axis();
    let _ = model.get_note_hi();
}